wbrawner/openssl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

chacha20poly1305

Browse source 
Add support for Chacha20 + Poly1305.
This commit is contained in:
Adam Langley 2013-09-09 12:13:24 -04:00
parent fa03d0117a
commit 9a8646510b
27 changed files with 5203 additions and 64 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

57
Configure
View file

@ -124,24 +124,24 @@ my $tlib="-lnsl -lsocket";
my $bits1="THIRTY_TWO_BIT ";
my $bits2="SIXTY_FOUR_BIT ";
my $x86_asm="x86cpuid.o:bn-586.o co-586.o x86-mont.o x86-gf2m.o:des-586.o crypt586.o:aes-586.o vpaes-x86.o aesni-x86.o:bf-586.o:md5-586.o:sha1-586.o sha256-586.o sha512-586.o:cast-586.o:rc4-586.o:rmd-586.o:rc5-586.o:wp_block.o wp-mmx.o:cmll-x86.o:ghash-x86.o:";
my $x86_asm="x86cpuid.o:bn-586.o co-586.o x86-mont.o x86-gf2m.o:des-586.o crypt586.o:aes-586.o vpaes-x86.o aesni-x86.o:bf-586.o:md5-586.o:sha1-586.o sha256-586.o sha512-586.o:cast-586.o:rc4-586.o:rmd-586.o:rc5-586.o:wp_block.o wp-mmx.o:cmll-x86.o:ghash-x86.o:::";
my $x86_elf_asm="$x86_asm:elf";
my $x86_64_asm="x86_64cpuid.o:x86_64-gcc.o x86_64-mont.o x86_64-mont5.o x86_64-gf2m.o rsaz_exp.o rsaz-x86_64.o rsaz-avx2.o::aes-x86_64.o vpaes-x86_64.o bsaes-x86_64.o aesni-x86_64.o aesni-sha1-x86_64.o aesni-sha256-x86_64.o::md5-x86_64.o:sha1-x86_64.o sha256-x86_64.o sha512-x86_64.o::rc4-x86_64.o rc4-md5-x86_64.o:::wp-x86_64.o:cmll-x86_64.o cmll_misc.o:ghash-x86_64.o aesni-gcm-x86_64.o:";
my $ia64_asm="ia64cpuid.o:bn-ia64.o ia64-mont.o::aes_core.o aes_cbc.o aes-ia64.o::md5-ia64.o:sha1-ia64.o sha256-ia64.o sha512-ia64.o::rc4-ia64.o rc4_skey.o:::::ghash-ia64.o::void";
my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o vis3-mont.o sparct4-mont.o sparcv9-gf2m.o:des_enc-sparc.o fcrypt_b.o dest4-sparcv9.o:aes_core.o aes_cbc.o aes-sparcv9.o aest4-sparcv9.o::md5-sparcv9.o:sha1-sparcv9.o sha256-sparcv9.o sha512-sparcv9.o::::::camellia.o cmll_misc.o cmll_cbc.o cmllt4-sparcv9.o:ghash-sparcv9.o::void";
my $sparcv8_asm=":sparcv8.o:des_enc-sparc.o fcrypt_b.o:::::::::::::void";
my $alpha_asm="alphacpuid.o:bn_asm.o alpha-mont.o:::::sha1-alpha.o:::::::ghash-alpha.o::void";
my $mips64_asm=":bn-mips.o mips-mont.o::aes_cbc.o aes-mips.o:::sha1-mips.o sha256-mips.o sha512-mips.o::::::::";
my $x86_64_asm="x86_64cpuid.o:x86_64-gcc.o x86_64-mont.o x86_64-mont5.o x86_64-gf2m.o rsaz_exp.o rsaz-x86_64.o rsaz-avx2.o::aes-x86_64.o vpaes-x86_64.o bsaes-x86_64.o aesni-x86_64.o aesni-sha1-x86_64.o aesni-sha256-x86_64.o::md5-x86_64.o:sha1-x86_64.o sha256-x86_64.o sha512-x86_64.o::rc4-x86_64.o rc4-md5-x86_64.o:::wp-x86_64.o:cmll-x86_64.o cmll_misc.o:ghash-x86_64.o aesni-gcm-x86_64.o::chacha_vec.o:poly1305_vec.o";
my $ia64_asm="ia64cpuid.o:bn-ia64.o ia64-mont.o::aes_core.o aes_cbc.o aes-ia64.o::md5-ia64.o:sha1-ia64.o sha256-ia64.o sha512-ia64.o::rc4-ia64.o rc4_skey.o:::::ghash-ia64.o::::void";
my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o vis3-mont.o sparct4-mont.o sparcv9-gf2m.o:des_enc-sparc.o fcrypt_b.o dest4-sparcv9.o:aes_core.o aes_cbc.o aes-sparcv9.o aest4-sparcv9.o::md5-sparcv9.o:sha1-sparcv9.o sha256-sparcv9.o sha512-sparcv9.o::::::camellia.o cmll_misc.o cmll_cbc.o cmllt4-sparcv9.o:ghash-sparcv9.o::::void";
my $sparcv8_asm=":sparcv8.o:des_enc-sparc.o fcrypt_b.o:::::::::::::::void";
my $alpha_asm="alphacpuid.o:bn_asm.o alpha-mont.o:::::sha1-alpha.o:::::::ghash-alpha.o::::void";
my $mips64_asm=":bn-mips.o mips-mont.o::aes_cbc.o aes-mips.o:::sha1-mips.o sha256-mips.o sha512-mips.o::::::::::";
my $mips32_asm=$mips64_asm; $mips32_asm =~ s/\s*sha512\-mips\.o//;
my $s390x_asm="s390xcap.o s390xcpuid.o:bn-s390x.o s390x-mont.o s390x-gf2m.o::aes-s390x.o aes-ctr.o aes-xts.o:::sha1-s390x.o sha256-s390x.o sha512-s390x.o::rc4-s390x.o:::::ghash-s390x.o:";
my $armv4_asm="armcap.o armv4cpuid.o:bn_asm.o armv4-mont.o armv4-gf2m.o::aes_cbc.o aes-armv4.o:::sha1-armv4-large.o sha256-armv4.o sha512-armv4.o:::::::ghash-armv4.o::void";
my $parisc11_asm="pariscid.o:bn_asm.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::32";
my $parisc20_asm="pariscid.o:pa-risc2W.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::64";
my $ppc32_asm="ppccpuid.o ppccap.o:bn-ppc.o ppc-mont.o ppc64-mont.o::aes_core.o aes_cbc.o aes-ppc.o:::sha1-ppc.o sha256-ppc.o::::::::";
my $ppc64_asm="ppccpuid.o ppccap.o:bn-ppc.o ppc-mont.o ppc64-mont.o::aes_core.o aes_cbc.o aes-ppc.o:::sha1-ppc.o sha256-ppc.o sha512-ppc.o::::::::";
my $no_asm=":::::::::::::::void";
my $s390x_asm="s390xcap.o s390xcpuid.o:bn-s390x.o s390x-mont.o s390x-gf2m.o::aes-s390x.o aes-ctr.o aes-xts.o:::sha1-s390x.o sha256-s390x.o sha512-s390x.o::rc4-s390x.o:::::ghash-s390x.o:::";
my $armv4_asm="armcap.o armv4cpuid.o:bn_asm.o armv4-mont.o armv4-gf2m.o::aes_cbc.o aes-armv4.o:::sha1-armv4-large.o sha256-armv4.o sha512-armv4.o:::::::ghash-armv4.o::chacha_vec.o::void";
my $parisc11_asm="pariscid.o:bn_asm.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::::32";
my $parisc20_asm="pariscid.o:pa-risc2W.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::::64";
my $ppc32_asm="ppccpuid.o ppccap.o:bn-ppc.o ppc-mont.o ppc64-mont.o::aes_core.o aes_cbc.o aes-ppc.o:::sha1-ppc.o sha256-ppc.o::::::::::";
my $ppc64_asm="ppccpuid.o ppccap.o:bn-ppc.o ppc-mont.o ppc64-mont.o::aes_core.o aes_cbc.o aes-ppc.o:::sha1-ppc.o sha256-ppc.o sha512-ppc.o::::::::::";
my $no_asm=":::::::::::::::::void";
# As for $BSDthreads. Idea is to maintain "collective" set of flags,
# which would cover all BSD flavors. -pthread applies to them all,
@ -656,6 +656,8 @@ my $idx_wp_obj = $idx++;
my $idx_cmll_obj = $idx++;
my $idx_modes_obj = $idx++;
my $idx_engines_obj = $idx++;
my $idx_chacha_obj = $idx++;
my $idx_poly1305_obj = $idx++;
my $idx_perlasm_scheme = $idx++;
my $idx_dso_scheme = $idx++;
my $idx_shared_target = $idx++;
@ -701,6 +703,8 @@ my $aes_enc="aes_core.o aes_cbc.o";
my $bf_enc ="bf_enc.o";
my $cast_enc="c_enc.o";
my $rc4_enc="rc4_enc.o rc4_skey.o";
my $chacha_enc="chacha_enc.o";
my $poly1305 ="poly1305.o";
my $rc5_enc="rc5_enc.o";
my $md5_obj="";
my $sha1_obj="";
@ -1151,7 +1155,7 @@ $openssldir=$prefix . "/" . $openssldir if $openssldir !~ /(^\/|^[a-zA-Z]:[\\\/]
print "IsMK1MF=$IsMK1MF\n";
my @fields = split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
my @fields = split(/\s*:\s*/,$table{$target} . ":" x 32 , -1);
my $cc = $fields[$idx_cc];
# Allow environment CC to override compiler...
if($ENV{CC}) {
@ -1188,6 +1192,8 @@ my $ranlib = $ENV{'RANLIB'} || $fields[$idx_ranlib];
my $ar = $ENV{'AR'} || "ar";
my $arflags = $fields[$idx_arflags];
my $multilib = $fields[$idx_multilib];
my $chacha_obj = $fields[$idx_chacha_obj];
my $poly1305_obj = $fields[$idx_poly1305_obj];
# if $prefix/lib$multilib is not an existing directory, then
# assume that it's not searched by linker automatically, in
@ -1496,6 +1502,8 @@ $des_obj=$des_enc unless ($des_obj =~ /\.o$/);
$bf_obj=$bf_enc unless ($bf_obj =~ /\.o$/);
$cast_obj=$cast_enc unless ($cast_obj =~ /\.o$/);
$rc4_obj=$rc4_enc unless ($rc4_obj =~ /\.o$/);
$chacha_obj=$chacha_enc unless ($chacha_obj =~ /\.o$/);
$poly1305_obj=$poly1305 unless ($poly1305_obj =~ /\.o$/);
$rc5_obj=$rc5_enc unless ($rc5_obj =~ /\.o$/);
if ($sha1_obj =~ /\.o$/)
{
@ -1656,6 +1664,8 @@ while (<IN>)
s/^BF_ENC=.*$/BF_ENC= $bf_obj/;
s/^CAST_ENC=.*$/CAST_ENC= $cast_obj/;
s/^RC4_ENC=.*$/RC4_ENC= $rc4_obj/;
s/^CHACHA_ENC=.*$/CHACHA_ENC= $chacha_obj/;
s/^POLY1305=.*$/POLY1305= $poly1305_obj/;
s/^RC5_ENC=.*$/RC5_ENC= $rc5_obj/;
s/^MD5_ASM_OBJ=.*$/MD5_ASM_OBJ= $md5_obj/;
s/^SHA1_ASM_OBJ=.*$/SHA1_ASM_OBJ= $sha1_obj/;
@ -1717,6 +1727,8 @@ print "AES_ENC =$aes_obj\n";
print "BF_ENC =$bf_obj\n";
print "CAST_ENC =$cast_obj\n";
print "RC4_ENC =$rc4_obj\n";
print "CHACHA_ENC =$chacha_obj\n";
print "POLY1305 =$poly1305_obj\n";
print "RC5_ENC =$rc5_obj\n";
print "MD5_OBJ_ASM =$md5_obj\n";
print "SHA1_OBJ_ASM =$sha1_obj\n";
@ -2115,11 +2127,12 @@ sub print_table_entry
(my $cc,my $cflags,my $unistd,my $thread_cflag,my $sys_id,my $lflags,
my $bn_ops,my $cpuid_obj,my $bn_obj,my $des_obj,my $aes_obj, my $bf_obj,
my $md5_obj,my $sha1_obj,my $cast_obj,my $rc4_obj,my $rmd160_obj,
my $rc5_obj,my $wp_obj,my $cmll_obj,my $modes_obj, my $engines_obj,
my $perlasm_scheme,my $dso_scheme,my $shared_target,my $shared_cflag,
my $shared_ldflag,my $shared_extension,my $ranlib,my $arflags,my $multilib)=
split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
my $md5_obj,my $sha1_obj,my $cast_obj,my $rc4_obj,my $chacha_obj,
my $poly1305_obj,my $rmd160_obj,my $rc5_obj,my $wp_obj,my $cmll_obj,
my $modes_obj, my $engines_obj,my $perlasm_scheme,my $dso_scheme,
my $shared_target,my $shared_cflag, my $shared_ldflag,
my $shared_extension,my $ranlib,my $arflags,my $multilib)=
split(/\s*:\s*/,$table{$target} . ":" x 32 , -1);
print <<EOF
@ -2140,6 +2153,8 @@ sub print_table_entry
\$sha1_obj = $sha1_obj
\$cast_obj = $cast_obj
\$rc4_obj = $rc4_obj
\$chacha_obj = $chacha_obj
\$poly1305_obj = $poly1305_obj
\$rmd160_obj = $rmd160_obj
\$rc5_obj = $rc5_obj
\$wp_obj = $wp_obj
@ -2169,7 +2184,7 @@ sub test_sanity
foreach $target (sort keys %table)
{
@fields = split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
@fields = split(/\s*:\s*/,$table{$target} . ":" x 31 , -1);
if ($fields[$idx_dso_scheme-1] =~ /^(beos|dl|dlfcn|win32|vms)$/)
{

6
Makefile.org
View file

@ -94,6 +94,8 @@ BF_ENC= bf_enc.o
CAST_ENC= c_enc.o
RC4_ENC= rc4_enc.o
RC5_ENC= rc5_enc.o
CHACHA_ENC= chacha_enc.o
POLY1305= poly1305.o
MD5_ASM_OBJ=
SHA1_ASM_OBJ=
RMD160_ASM_OBJ=
@ -147,7 +149,7 @@ SDIRS= \
bn ec rsa dsa ecdsa dh ecdh dso engine \
buffer bio stack lhash rand err \
evp asn1 pem x509 x509v3 conf txt_db pkcs7 pkcs12 comp ocsp ui krb5 \
cms pqueue ts jpake srp store cmac
cms pqueue ts jpake srp store cmac poly1305 chacha
# keep in mind that the above list is adjusted by ./Configure
# according to no-xxx arguments...
@ -232,6 +234,8 @@ BUILDENV= PLATFORM='$(PLATFORM)' PROCESSOR='$(PROCESSOR)' \
WP_ASM_OBJ='$(WP_ASM_OBJ)' \
MODES_ASM_OBJ='$(MODES_ASM_OBJ)' \
ENGINES_ASM_OBJ='$(ENGINES_ASM_OBJ)' \
CHACHA_ENC='$(CHACHA_ENC)' \
POLY1305='$(POLY1305)' \
PERLASM_SCHEME='$(PERLASM_SCHEME)' \
FIPSLIBDIR='${FIPSLIBDIR}' \
FIPSDIR='${FIPSDIR}' \

102
apps/speed.c
View file

@ -224,7 +224,7 @@
#endif
#undef BUFSIZE
#define BUFSIZE ((long)1024*8+1)
#define BUFSIZE ((long)1024*8+64)
int run=0;
static int mr=0;
@ -239,7 +239,7 @@ static void print_result(int alg,int run_no,int count,double time_used);
static int do_multi(int multi);
#endif
#define ALGOR_NUM 30
#define ALGOR_NUM 33
#define SIZE_NUM 5
#define RSA_NUM 4
#define DSA_NUM 3
@ -254,7 +254,9 @@ static const char *names[ALGOR_NUM]={
"aes-128 cbc","aes-192 cbc","aes-256 cbc",
"camellia-128 cbc","camellia-192 cbc","camellia-256 cbc",
"evp","sha256","sha512","whirlpool",
"aes-128 ige","aes-192 ige","aes-256 ige","ghash" };
"aes-128 ige","aes-192 ige","aes-256 ige","ghash",
"aes-128 gcm", "aes-256 gcm", "chacha20 poly1305",
};
static double results[ALGOR_NUM][SIZE_NUM];
static int lengths[SIZE_NUM]={16,64,256,1024,8*1024};
#ifndef OPENSSL_NO_RSA
@ -498,6 +500,9 @@ int MAIN(int argc, char **argv)
#define D_IGE_192_AES 27
#define D_IGE_256_AES 28
#define D_GHASH 29
#define D_AES_128_GCM 30
#define D_AES_256_GCM 31
#define D_CHACHA20_POLY1305 32
double d=0.0;
long c[ALGOR_NUM][SIZE_NUM];
#define R_DSA_512 0
@ -927,6 +932,14 @@ int MAIN(int argc, char **argv)
{
doit[D_GHASH]=1;
}
else if (strcmp(*argv,"aes-128-gcm") == 0)
{
doit[D_AES_128_GCM]=1;
}
else if (strcmp(*argv,"aes-256-gcm") == 0)
{
doit[D_AES_256_GCM]=1;
}
else
#endif
#ifndef OPENSSL_NO_CAMELLIA
@ -938,6 +951,13 @@ int MAIN(int argc, char **argv)
}
else
#endif
#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
if (strcmp(*argv,"chacha20-poly1305") == 0)
{
doit[D_CHACHA20_POLY1305]=1;
}
else
#endif
#ifndef OPENSSL_NO_RSA
if (strcmp(*argv,"rsa") == 0)
{
@ -1070,7 +1090,8 @@ int MAIN(int argc, char **argv)
#endif
#ifndef OPENSSL_NO_AES
BIO_printf(bio_err,"aes-128-cbc aes-192-cbc aes-256-cbc ");
BIO_printf(bio_err,"aes-128-ige aes-192-ige aes-256-ige ");
BIO_printf(bio_err,"aes-128-ige aes-192-ige aes-256-ige\n");
BIO_printf(bio_err,"aes-128-gcm aes-256-gcm ");
#endif
#ifndef OPENSSL_NO_CAMELLIA
BIO_printf(bio_err,"\n");
@ -1078,6 +1099,9 @@ int MAIN(int argc, char **argv)
#endif
#ifndef OPENSSL_NO_RC4
BIO_printf(bio_err,"rc4");
#endif
#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
BIO_printf(bio_err," chacha20-poly1305");
#endif
BIO_printf(bio_err,"\n");
@ -1298,6 +1322,8 @@ int MAIN(int argc, char **argv)
c[D_IGE_192_AES][0]=count;
c[D_IGE_256_AES][0]=count;
c[D_GHASH][0]=count;
c[D_AES_128_GCM][0]=count;
c[D_CHACHA20_POLY1305][0]=count;
for (i=1; i<SIZE_NUM; i++)
{
@ -1805,7 +1831,75 @@ int MAIN(int argc, char **argv)
CRYPTO_gcm128_release(ctx);
}
if (doit[D_AES_128_GCM])
{
const EVP_AEAD *aead = EVP_aead_aes_128_gcm();
static const unsigned char nonce[32] = {0};
size_t nonce_len;
EVP_AEAD_CTX ctx;
EVP_AEAD_CTX_init(&ctx, aead, key32, EVP_AEAD_key_length(aead), EVP_AEAD_DEFAULT_TAG_LENGTH, NULL);
nonce_len = EVP_AEAD_nonce_length(aead);
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_AES_128_GCM],c[D_AES_128_GCM][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_AES_128_GCM][j]); count++)
EVP_AEAD_CTX_seal(&ctx,buf, BUFSIZE, nonce, nonce_len, buf, lengths[j], NULL, 0);
d=Time_F(STOP);
print_result(D_AES_128_GCM,j,count,d);
}
EVP_AEAD_CTX_cleanup(&ctx);
}
if (doit[D_AES_256_GCM])
{
const EVP_AEAD *aead = EVP_aead_aes_256_gcm();
static const unsigned char nonce[32] = {0};
size_t nonce_len;
EVP_AEAD_CTX ctx;
EVP_AEAD_CTX_init(&ctx, aead, key32, EVP_AEAD_key_length(aead), EVP_AEAD_DEFAULT_TAG_LENGTH, NULL);
nonce_len = EVP_AEAD_nonce_length(aead);
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_AES_256_GCM],c[D_AES_256_GCM][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_AES_256_GCM][j]); count++)
EVP_AEAD_CTX_seal(&ctx,buf, BUFSIZE, nonce, nonce_len, buf, lengths[j], NULL, 0);
d=Time_F(STOP);
print_result(D_AES_256_GCM,j,count,d);
}
EVP_AEAD_CTX_cleanup(&ctx);
}
#endif
#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
if (doit[D_CHACHA20_POLY1305])
{
const EVP_AEAD *aead = EVP_aead_chacha20_poly1305();
static const unsigned char nonce[32] = {0};
size_t nonce_len;
EVP_AEAD_CTX ctx;
EVP_AEAD_CTX_init(&ctx, aead, key32, EVP_AEAD_key_length(aead), EVP_AEAD_DEFAULT_TAG_LENGTH, NULL);
nonce_len = EVP_AEAD_nonce_length(aead);
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CHACHA20_POLY1305],c[D_CHACHA20_POLY1305][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CHACHA20_POLY1305][j]); count++)
EVP_AEAD_CTX_seal(&ctx,buf, BUFSIZE, nonce, nonce_len, buf, lengths[j], NULL, 0);
d=Time_F(STOP);
print_result(D_CHACHA20_POLY1305,j,count,d);
}
EVP_AEAD_CTX_cleanup(&ctx);
}
#endif
#ifndef OPENSSL_NO_CAMELLIA
if (doit[D_CBC_128_CML])
{

80
crypto/chacha/Makefile Normal file
View file

@ -0,0 +1,80 @@
#
# OpenSSL/crypto/chacha/Makefile
#
DIR= chacha
TOP= ../..
CC= cc
CPP= $(CC) -E
INCLUDES=
CFLAG=-g
AR= ar r
CFLAGS= $(INCLUDES) $(CFLAG)
ASFLAGS= $(INCLUDES) $(ASFLAG)
AFLAGS= $(ASFLAGS)
CHACHA_ENC=chacha_enc.o
GENERAL=Makefile
TEST=chachatest.o
APPS=
LIB=$(TOP)/libcrypto.a
LIBSRC=
LIBOBJ=$(CHACHA_ENC)
SRC= $(LIBSRC)
EXHEADER=chacha.h
HEADER= $(EXHEADER)
ALL= $(GENERAL) $(SRC) $(HEADER)
top:
(cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
all: lib
lib: $(LIBOBJ)
$(AR) $(LIB) $(LIBOBJ)
$(RANLIB) $(LIB) || echo Never mind.
@touch lib
files:
$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
links:
@$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
@$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
@$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
install:
@[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
@headerlist="$(EXHEADER)"; for i in $$headerlist ; \
do \
(cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
done;
tags:
ctags $(SRC)
tests:
lint:
lint -DLINT $(INCLUDES) $(SRC)>fluff
depend:
@[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
dclean:
$(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
mv -f Makefile.new $(MAKEFILE)
clean:
rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
# DO NOT DELETE THIS LINE -- make depend depends on it.

77
crypto/chacha/chacha.h Normal file
View file

@ -0,0 +1,77 @@
/* ====================================================================
* Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#ifndef HEADER_CHACHA_H
#define HEADER_CHACHA_H
#include <openssl/opensslconf.h>
#if defined(OPENSSL_NO_CHACHA)
#error ChaCha support is disabled.
#endif
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/* CRYPTO_chacha_20 encrypts |in_len| bytes from |in| with the given key and
* nonce and writes the result to |out|, which may be equal to |in|. The
* initial block counter is specified by |counter|. */
void CRYPTO_chacha_20(unsigned char *out,
const unsigned char *in, size_t in_len,
const unsigned char key[32],
const unsigned char nonce[8],
size_t counter);
#ifdef __cplusplus
}
#endif
#endif

161
crypto/chacha/chacha_enc.c Normal file
View file

@ -0,0 +1,161 @@
/* ====================================================================
* Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
/* Adapted from the public domain code by D. Bernstein from SUPERCOP. */
#include <stdint.h>
#include <string.h>
#include <openssl/opensslconf.h>
#if !defined(OPENSSL_NO_CHACHA)
#include <openssl/chacha.h>
/* sigma contains the ChaCha constants, which happen to be an ASCII string. */
static const char sigma[16] = "expand 32-byte k";
#define ROTATE(v, n) (((v) << (n)) | ((v) >> (32 - (n))))
#define XOR(v, w) ((v) ^ (w))
#define PLUS(x, y) ((x) + (y))
#define PLUSONE(v) (PLUS((v), 1))
#define U32TO8_LITTLE(p, v) \
{ (p)[0] = (v >> 0) & 0xff; (p)[1] = (v >> 8) & 0xff; \
(p)[2] = (v >> 16) & 0xff; (p)[3] = (v >> 24) & 0xff; }
#define U8TO32_LITTLE(p) \
(((uint32_t)((p)[0]) ) | ((uint32_t)((p)[1]) << 8) | \
((uint32_t)((p)[2]) << 16) | ((uint32_t)((p)[3]) << 24) )
/* QUARTERROUND updates a, b, c, d with a ChaCha "quarter" round. */
#define QUARTERROUND(a,b,c,d) \
x[a] = PLUS(x[a],x[b]); x[d] = ROTATE(XOR(x[d],x[a]),16); \
x[c] = PLUS(x[c],x[d]); x[b] = ROTATE(XOR(x[b],x[c]),12); \
x[a] = PLUS(x[a],x[b]); x[d] = ROTATE(XOR(x[d],x[a]), 8); \
x[c] = PLUS(x[c],x[d]); x[b] = ROTATE(XOR(x[b],x[c]), 7);
typedef unsigned int uint32_t;
/* chacha_core performs |num_rounds| rounds of ChaCha20 on the input words in
* |input| and writes the 64 output bytes to |output|. */
static void chacha_core(unsigned char output[64], const uint32_t input[16],
int num_rounds)
{
uint32_t x[16];
int i;
memcpy(x, input, sizeof(uint32_t) * 16);
for (i = 20; i > 0; i -= 2)
{
QUARTERROUND( 0, 4, 8,12)
QUARTERROUND( 1, 5, 9,13)
QUARTERROUND( 2, 6,10,14)
QUARTERROUND( 3, 7,11,15)
QUARTERROUND( 0, 5,10,15)
QUARTERROUND( 1, 6,11,12)
QUARTERROUND( 2, 7, 8,13)
QUARTERROUND( 3, 4, 9,14)
}
for (i = 0; i < 16; ++i)
x[i] = PLUS(x[i], input[i]);
for (i = 0; i < 16; ++i)
U32TO8_LITTLE(output + 4 * i, x[i]);
}
void CRYPTO_chacha_20(unsigned char *out,
const unsigned char *in, size_t in_len,
const unsigned char key[32],
const unsigned char nonce[8],
size_t counter)
{
uint32_t input[16];
unsigned char buf[64];
size_t todo, i;
input[0] = U8TO32_LITTLE(sigma + 0);
input[1] = U8TO32_LITTLE(sigma + 4);
input[2] = U8TO32_LITTLE(sigma + 8);
input[3] = U8TO32_LITTLE(sigma + 12);
input[4] = U8TO32_LITTLE(key + 0);
input[5] = U8TO32_LITTLE(key + 4);
input[6] = U8TO32_LITTLE(key + 8);
input[7] = U8TO32_LITTLE(key + 12);
input[8] = U8TO32_LITTLE(key + 16);
input[9] = U8TO32_LITTLE(key + 20);
input[10] = U8TO32_LITTLE(key + 24);
input[11] = U8TO32_LITTLE(key + 28);
input[12] = counter;
input[13] = ((uint64_t) counter) >> 32;
input[14] = U8TO32_LITTLE(nonce + 0);
input[15] = U8TO32_LITTLE(nonce + 4);
while (in_len > 0)
{
todo = sizeof(buf);
if (in_len < todo)
todo = in_len;
chacha_core(buf, input, 20);
for (i = 0; i < todo; i++)
out[i] = in[i] ^ buf[i];
out += todo;
in += todo;
in_len -= todo;
input[12]++;
if (input[12] == 0)
input[13]++;
}
}
#endif /* !OPENSSL_NO_CHACHA */

345
crypto/chacha/chacha_vec.c Normal file
View file

@ -0,0 +1,345 @@
/* ====================================================================
* Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
/* This implementation is by Ted Krovetz and was submitted to SUPERCOP and
* marked as public domain. It was been altered to allow for non-aligned inputs
* and to allow the block counter to be passed in specifically. */
#include <string.h>
#include <stdint.h>
#include <openssl/opensslconf.h>
#if !defined(OPENSSL_NO_CHACHA)
#include <openssl/chacha.h>
#ifndef CHACHA_RNDS
#define CHACHA_RNDS 20 /* 8 (high speed), 20 (conservative), 12 (middle) */
#endif
/* Architecture-neutral way to specify 16-byte vector of ints */
typedef unsigned vec __attribute__ ((vector_size (16)));
/* This implementation is designed for Neon, SSE and AltiVec machines. The
* following specify how to do certain vector operations efficiently on
* each architecture, using intrinsics.
* This implementation supports parallel processing of multiple blocks,
* including potentially using general-purpose registers.
*/
#if __ARM_NEON__
#include <arm_neon.h>
#define GPR_TOO 1
#define VBPI 2
#define ONE (vec)vsetq_lane_u32(1,vdupq_n_u32(0),0)
#define LOAD(m) (vec)(*((vec*)(m)))
#define STORE(m,r) (*((vec*)(m))) = (r)
#define ROTV1(x) (vec)vextq_u32((uint32x4_t)x,(uint32x4_t)x,1)
#define ROTV2(x) (vec)vextq_u32((uint32x4_t)x,(uint32x4_t)x,2)
#define ROTV3(x) (vec)vextq_u32((uint32x4_t)x,(uint32x4_t)x,3)
#define ROTW16(x) (vec)vrev32q_u16((uint16x8_t)x)
#if __clang__
#define ROTW7(x) (x << ((vec){ 7, 7, 7, 7})) ^ (x >> ((vec){25,25,25,25}))
#define ROTW8(x) (x << ((vec){ 8, 8, 8, 8})) ^ (x >> ((vec){24,24,24,24}))
#define ROTW12(x) (x << ((vec){12,12,12,12})) ^ (x >> ((vec){20,20,20,20}))
#else
#define ROTW7(x) (vec)vsriq_n_u32(vshlq_n_u32((uint32x4_t)x,7),(uint32x4_t)x,25)
#define ROTW8(x) (vec)vsriq_n_u32(vshlq_n_u32((uint32x4_t)x,8),(uint32x4_t)x,24)
#define ROTW12(x) (vec)vsriq_n_u32(vshlq_n_u32((uint32x4_t)x,12),(uint32x4_t)x,20)
#endif
#elif __SSE2__
#include <emmintrin.h>
#define GPR_TOO 0
#if __clang__
#define VBPI 4
#else
#define VBPI 3
#endif
#define ONE (vec)_mm_set_epi32(0,0,0,1)
#define LOAD(m) (vec)_mm_loadu_si128((__m128i*)(m))
#define STORE(m,r) _mm_storeu_si128((__m128i*)(m), (__m128i) (r))
#define ROTV1(x) (vec)_mm_shuffle_epi32((__m128i)x,_MM_SHUFFLE(0,3,2,1))
#define ROTV2(x) (vec)_mm_shuffle_epi32((__m128i)x,_MM_SHUFFLE(1,0,3,2))
#define ROTV3(x) (vec)_mm_shuffle_epi32((__m128i)x,_MM_SHUFFLE(2,1,0,3))
#define ROTW7(x) (vec)(_mm_slli_epi32((__m128i)x, 7) ^ _mm_srli_epi32((__m128i)x,25))
#define ROTW12(x) (vec)(_mm_slli_epi32((__m128i)x,12) ^ _mm_srli_epi32((__m128i)x,20))
#if __SSSE3__
#include <tmmintrin.h>
#define ROTW8(x) (vec)_mm_shuffle_epi8((__m128i)x,_mm_set_epi8(14,13,12,15,10,9,8,11,6,5,4,7,2,1,0,3))
#define ROTW16(x) (vec)_mm_shuffle_epi8((__m128i)x,_mm_set_epi8(13,12,15,14,9,8,11,10,5,4,7,6,1,0,3,2))
#else
#define ROTW8(x) (vec)(_mm_slli_epi32((__m128i)x, 8) ^ _mm_srli_epi32((__m128i)x,24))
#define ROTW16(x) (vec)(_mm_slli_epi32((__m128i)x,16) ^ _mm_srli_epi32((__m128i)x,16))
#endif
#else
#error -- Implementation supports only machines with neon or SSE2
#endif
#ifndef REVV_BE
#define REVV_BE(x) (x)
#endif
#ifndef REVW_BE
#define REVW_BE(x) (x)
#endif
#define BPI (VBPI + GPR_TOO) /* Blocks computed per loop iteration */
#define DQROUND_VECTORS(a,b,c,d) \
a += b; d ^= a; d = ROTW16(d); \
c += d; b ^= c; b = ROTW12(b); \
a += b; d ^= a; d = ROTW8(d); \
c += d; b ^= c; b = ROTW7(b); \
b = ROTV1(b); c = ROTV2(c); d = ROTV3(d); \
a += b; d ^= a; d = ROTW16(d); \
c += d; b ^= c; b = ROTW12(b); \
a += b; d ^= a; d = ROTW8(d); \
c += d; b ^= c; b = ROTW7(b); \
b = ROTV3(b); c = ROTV2(c); d = ROTV1(d);
#define QROUND_WORDS(a,b,c,d) \
a = a+b; d ^= a; d = d<<16 | d>>16; \
c = c+d; b ^= c; b = b<<12 | b>>20; \
a = a+b; d ^= a; d = d<< 8 | d>>24; \
c = c+d; b ^= c; b = b<< 7 | b>>25;
#define WRITE_XOR(in, op, d, v0, v1, v2, v3) \
STORE(op + d + 0, LOAD(in + d + 0) ^ REVV_BE(v0)); \
STORE(op + d + 4, LOAD(in + d + 4) ^ REVV_BE(v1)); \
STORE(op + d + 8, LOAD(in + d + 8) ^ REVV_BE(v2)); \
STORE(op + d +12, LOAD(in + d +12) ^ REVV_BE(v3));
void CRYPTO_chacha_20(
unsigned char *out,
const unsigned char *in,
size_t inlen,
const unsigned char key[32],
const unsigned char nonce[8],
size_t counter)
{
unsigned iters, i, *op=(unsigned *)out, *ip=(unsigned *)in, *kp;
#if defined(__ARM_NEON__)
unsigned *np;
#endif
vec s0, s1, s2, s3;
#if !defined(__ARM_NEON__) && !defined(__SSE2__)
__attribute__ ((aligned (16))) unsigned key[8], nonce[4];
#endif
__attribute__ ((aligned (16))) unsigned chacha_const[] =
{0x61707865,0x3320646E,0x79622D32,0x6B206574};
#if defined(__ARM_NEON__) || defined(__SSE2__)
kp = (unsigned *)key;
#else
((vec *)key)[0] = REVV_BE(((vec *)key)[0]);
((vec *)key)[1] = REVV_BE(((vec *)key)[1]);
nonce[0] = REVW_BE(((unsigned *)nonce)[0]);
nonce[1] = REVW_BE(((unsigned *)nonce)[1]);
nonce[2] = REVW_BE(((unsigned *)nonce)[2]);
nonce[3] = REVW_BE(((unsigned *)nonce)[3]);
kp = (unsigned *)key;
np = (unsigned *)nonce;
#endif
#if defined(__ARM_NEON__)
np = (unsigned*) nonce;
#endif
s0 = LOAD(chacha_const);
s1 = LOAD(&((vec*)kp)[0]);
s2 = LOAD(&((vec*)kp)[1]);
s3 = (vec){
counter & 0xffffffff,
#if __ARM_NEON__
0, /* can't right-shift 32 bits on a 32-bit system. */
#else
counter >> 32,
#endif
((uint32_t*)nonce)[0],
((uint32_t*)nonce)[1]
};
for (iters = 0; iters < inlen/(BPI*64); iters++)
{
#if GPR_TOO
register unsigned x0, x1, x2, x3, x4, x5, x6, x7, x8,
x9, x10, x11, x12, x13, x14, x15;
#endif
#if VBPI > 2
vec v8,v9,v10,v11;
#endif
#if VBPI > 3
vec v12,v13,v14,v15;
#endif
vec v0,v1,v2,v3,v4,v5,v6,v7;
v4 = v0 = s0; v5 = v1 = s1; v6 = v2 = s2; v3 = s3;
v7 = v3 + ONE;
#if VBPI > 2
v8 = v4; v9 = v5; v10 = v6;
v11 = v7 + ONE;
#endif
#if VBPI > 3
v12 = v8; v13 = v9; v14 = v10;
v15 = v11 + ONE;
#endif
#if GPR_TOO
x0 = chacha_const[0]; x1 = chacha_const[1];
x2 = chacha_const[2]; x3 = chacha_const[3];
x4 = kp[0]; x5 = kp[1]; x6 = kp[2]; x7 = kp[3];
x8 = kp[4]; x9 = kp[5]; x10 = kp[6]; x11 = kp[7];
x12 = counter+BPI*iters+(BPI-1); x13 = 0;
x14 = np[0]; x15 = np[1];
#endif
for (i = CHACHA_RNDS/2; i; i--)
{
DQROUND_VECTORS(v0,v1,v2,v3)
DQROUND_VECTORS(v4,v5,v6,v7)
#if VBPI > 2
DQROUND_VECTORS(v8,v9,v10,v11)
#endif
#if VBPI > 3
DQROUND_VECTORS(v12,v13,v14,v15)
#endif
#if GPR_TOO
QROUND_WORDS( x0, x4, x8,x12)
QROUND_WORDS( x1, x5, x9,x13)
QROUND_WORDS( x2, x6,x10,x14)
QROUND_WORDS( x3, x7,x11,x15)
QROUND_WORDS( x0, x5,x10,x15)
QROUND_WORDS( x1, x6,x11,x12)
QROUND_WORDS( x2, x7, x8,x13)
QROUND_WORDS( x3, x4, x9,x14)
#endif
}
WRITE_XOR(ip, op, 0, v0+s0, v1+s1, v2+s2, v3+s3)
s3 += ONE;
WRITE_XOR(ip, op, 16, v4+s0, v5+s1, v6+s2, v7+s3)
s3 += ONE;
#if VBPI > 2
WRITE_XOR(ip, op, 32, v8+s0, v9+s1, v10+s2, v11+s3)
s3 += ONE;
#endif
#if VBPI > 3
WRITE_XOR(ip, op, 48, v12+s0, v13+s1, v14+s2, v15+s3)
s3 += ONE;
#endif
ip += VBPI*16;
op += VBPI*16;
#if GPR_TOO
op[0] = REVW_BE(REVW_BE(ip[0]) ^ (x0 + chacha_const[0]));
op[1] = REVW_BE(REVW_BE(ip[1]) ^ (x1 + chacha_const[1]));
op[2] = REVW_BE(REVW_BE(ip[2]) ^ (x2 + chacha_const[2]));
op[3] = REVW_BE(REVW_BE(ip[3]) ^ (x3 + chacha_const[3]));
op[4] = REVW_BE(REVW_BE(ip[4]) ^ (x4 + kp[0]));
op[5] = REVW_BE(REVW_BE(ip[5]) ^ (x5 + kp[1]));
op[6] = REVW_BE(REVW_BE(ip[6]) ^ (x6 + kp[2]));
op[7] = REVW_BE(REVW_BE(ip[7]) ^ (x7 + kp[3]));
op[8] = REVW_BE(REVW_BE(ip[8]) ^ (x8 + kp[4]));
op[9] = REVW_BE(REVW_BE(ip[9]) ^ (x9 + kp[5]));
op[10] = REVW_BE(REVW_BE(ip[10]) ^ (x10 + kp[6]));
op[11] = REVW_BE(REVW_BE(ip[11]) ^ (x11 + kp[7]));
op[12] = REVW_BE(REVW_BE(ip[12]) ^ (x12 + BPI*iters+(BPI-1)));
op[13] = REVW_BE(REVW_BE(ip[13]) ^ (x13));
op[14] = REVW_BE(REVW_BE(ip[14]) ^ (x14 + np[0]));
op[15] = REVW_BE(REVW_BE(ip[15]) ^ (x15 + np[1]));
s3 += ONE;
ip += 16;
op += 16;
#endif
}
for (iters = inlen%(BPI*64)/64; iters != 0; iters--)
{
vec v0 = s0, v1 = s1, v2 = s2, v3 = s3;
for (i = CHACHA_RNDS/2; i; i--)
{
DQROUND_VECTORS(v0,v1,v2,v3);
}
WRITE_XOR(ip, op, 0, v0+s0, v1+s1, v2+s2, v3+s3)
s3 += ONE;
ip += 16;
op += 16;
}
inlen = inlen % 64;
if (inlen)
{
__attribute__ ((aligned (16))) vec buf[4];
vec v0,v1,v2,v3;
v0 = s0; v1 = s1; v2 = s2; v3 = s3;
for (i = CHACHA_RNDS/2; i; i--)
{
DQROUND_VECTORS(v0,v1,v2,v3);
}
if (inlen >= 16)
{
STORE(op + 0, LOAD(ip + 0) ^ REVV_BE(v0 + s0));
if (inlen >= 32)
{
STORE(op + 4, LOAD(ip + 4) ^ REVV_BE(v1 + s1));
if (inlen >= 48)
{
STORE(op + 8, LOAD(ip + 8) ^
REVV_BE(v2 + s2));
buf[3] = REVV_BE(v3 + s3);
}
else
buf[2] = REVV_BE(v2 + s2);
}
else
buf[1] = REVV_BE(v1 + s1);
}
else
buf[0] = REVV_BE(v0 + s0);
for (i=inlen & ~15; i<inlen; i++)
((char *)op)[i] = ((char *)ip)[i] ^ ((char *)buf)[i];
}
}
#endif /* !OPENSSL_NO_CHACHA */

211
crypto/chacha/chachatest.c Normal file
View file

@ -0,0 +1,211 @@
/* ====================================================================
* Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#ifndef OPENSSL_NO_CHACHA
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <openssl/chacha.h>
struct chacha_test {
const char *keyhex;
const char *noncehex;
const char *outhex;
};
static const struct chacha_test chacha_tests[] = {
{
"0000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000",
"76b8e0ada0f13d90405d6ae55386bd28bdd219b8a08ded1aa836efcc8b770dc7da41597c5157488d7724e03fb8d84a376a43b8f41518a11cc387b669b2ee6586",
},
{
"0000000000000000000000000000000000000000000000000000000000000001",
"0000000000000000",
"4540f05a9f1fb296d7736e7b208e3c96eb4fe1834688d2604f450952ed432d41bbe2a0b6ea7566d2a5d1e7e20d42af2c53d792b1c43fea817e9ad275ae546963",
},
{
"0000000000000000000000000000000000000000000000000000000000000000",
"0000000000000001",
"de9cba7bf3d69ef5e786dc63973f653a0b49e015adbff7134fcb7df137821031e85a050278a7084527214f73efc7fa5b5277062eb7a0433e445f41e31afab757",
},
{
"0000000000000000000000000000000000000000000000000000000000000000",
"0100000000000000",
"ef3fdfd6c61578fbf5cf35bd3dd33b8009631634d21e42ac33960bd138e50d32111e4caf237ee53ca8ad6426194a88545ddc497a0b466e7d6bbdb0041b2f586b",
},
{
"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
"0001020304050607",
"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",
},
};
static unsigned char hex_digit(char h)
{
if (h >= '0' && h <= '9')
return h - '0';
else if (h >= 'a' && h <= 'f')
return h - 'a' + 10;
else if (h >= 'A' && h <= 'F')
return h - 'A' + 10;
else
abort();
}
static void hex_decode(unsigned char *out, const char* hex)
{
size_t j = 0;
while (*hex != 0)
{
unsigned char v = hex_digit(*hex++);
v <<= 4;
v |= hex_digit(*hex++);
out[j++] = v;
}
}
static void hexdump(unsigned char *a, size_t len)
{
size_t i;
for (i = 0; i < len; i++)
printf("%02x", a[i]);
}
/* misalign returns a pointer that points 0 to 15 bytes into |in| such that the
* returned pointer has alignment 1 mod 16. */
static void* misalign(void* in)
{
intptr_t x = (intptr_t) in;
x += (17 - (x % 16)) % 16;
return (void*) x;
}
int main()
{
static const unsigned num_tests =
sizeof(chacha_tests) / sizeof(struct chacha_test);
unsigned i;
unsigned char key_bytes[32 + 16];
unsigned char nonce_bytes[8 + 16] = {0};
unsigned char *key = misalign(key_bytes);
unsigned char *nonce = misalign(nonce_bytes);
for (i = 0; i < num_tests; i++)
{
const struct chacha_test *test = &chacha_tests[i];
unsigned char *expected, *out_bytes, *zero_bytes, *out, *zeros;
size_t len = strlen(test->outhex);
if (strlen(test->keyhex) != 32*2 ||
strlen(test->noncehex) != 8*2 ||
(len & 1) == 1)
return 1;
len /= 2;
hex_decode(key, test->keyhex);
hex_decode(nonce, test->noncehex);
expected = malloc(len);
out_bytes = malloc(len+16);
zero_bytes = malloc(len+16);
/* Attempt to test unaligned inputs. */
out = misalign(out_bytes);
zeros = misalign(zero_bytes);
memset(zeros, 0, len);
hex_decode(expected, test->outhex);
CRYPTO_chacha_20(out, zeros, len, key, nonce, 0);
if (memcmp(out, expected, len) != 0)
{
printf("ChaCha20 test #%d failed.\n", i);
printf("got: ");
hexdump(out, len);
printf("\nexpected: ");
hexdump(expected, len);
printf("\n");
return 1;
}
/* The last test has a large output. We test whether the
* counter works as expected by skipping the first 64 bytes of
* it. */
if (i == num_tests - 1)
{
CRYPTO_chacha_20(out, zeros, len - 64, key, nonce, 1);
if (memcmp(out, expected + 64, len - 64) != 0)
{
printf("ChaCha20 skip test failed.\n");
return 1;
}
}
free(expected);
free(zero_bytes);
free(out_bytes);
}
printf("PASS\n");
return 0;
}
#else /* OPENSSL_NO_CHACHA */
int main() { return 0; }
#endif /* OPENSSL_NO_CHACHA */

34
crypto/evp/Makefile
View file

@ -30,7 +30,7 @@ LIBSRC= encode.c digest.c evp_enc.c evp_key.c evp_acnf.c evp_cnf.c \
evp_pkey.c evp_pbe.c p5_crpt.c p5_crpt2.c \
e_old.c pmeth_lib.c pmeth_fn.c pmeth_gn.c m_sigver.c \
e_aes_cbc_hmac_sha1.c e_aes_cbc_hmac_sha256.c e_rc4_hmac_md5.c \
evp_aead.c
evp_aead.c e_chacha20poly1305.c
LIBOBJ= encode.o digest.o evp_enc.o evp_key.o evp_acnf.o evp_cnf.o \
e_des.o e_bf.o e_idea.o e_des3.o e_camellia.o\
@ -44,7 +44,7 @@ LIBOBJ= encode.o digest.o evp_enc.o evp_key.o evp_acnf.o evp_cnf.o \
evp_pkey.o evp_pbe.o p5_crpt.o p5_crpt2.o \
e_old.o pmeth_lib.o pmeth_fn.o pmeth_gn.o m_sigver.o \
e_aes_cbc_hmac_sha1.o e_aes_cbc_hmac_sha256.o e_rc4_hmac_md5.o \
evp_aead.o
evp_aead.o e_chacha20poly1305.o
SRC= $(LIBSRC)
@ -241,6 +241,21 @@ e_cast.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
e_cast.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
e_cast.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
e_cast.o: ../../include/openssl/symhacks.h ../cryptlib.h e_cast.c evp_locl.h
e_chacha20poly1305.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
e_chacha20poly1305.o: ../../include/openssl/chacha.h
e_chacha20poly1305.o: ../../include/openssl/crypto.h
e_chacha20poly1305.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
e_chacha20poly1305.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
e_chacha20poly1305.o: ../../include/openssl/obj_mac.h
e_chacha20poly1305.o: ../../include/openssl/objects.h
e_chacha20poly1305.o: ../../include/openssl/opensslconf.h
e_chacha20poly1305.o: ../../include/openssl/opensslv.h
e_chacha20poly1305.o: ../../include/openssl/ossl_typ.h
e_chacha20poly1305.o: ../../include/openssl/poly1305.h
e_chacha20poly1305.o: ../../include/openssl/safestack.h
e_chacha20poly1305.o: ../../include/openssl/stack.h
e_chacha20poly1305.o: ../../include/openssl/symhacks.h e_chacha20poly1305.c
e_chacha20poly1305.o: evp_locl.h
e_des.o: ../../e_os.h ../../include/openssl/asn1.h ../../include/openssl/bio.h
e_des.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
e_des.o: ../../include/openssl/des.h ../../include/openssl/des_old.h
@ -260,9 +275,10 @@ e_des3.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
e_des3.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
e_des3.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
e_des3.o: ../../include/openssl/ossl_typ.h ../../include/openssl/rand.h
e_des3.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
e_des3.o: ../../include/openssl/symhacks.h ../../include/openssl/ui.h
e_des3.o: ../../include/openssl/ui_compat.h ../cryptlib.h e_des3.c evp_locl.h
e_des3.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
e_des3.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
e_des3.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h
e_des3.o: ../cryptlib.h e_des3.c evp_locl.h
e_idea.o: ../../e_os.h ../../include/openssl/asn1.h ../../include/openssl/bio.h
e_idea.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
e_idea.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
@ -358,6 +374,14 @@ evp_acnf.o: ../../include/openssl/opensslconf.h
evp_acnf.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
evp_acnf.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
evp_acnf.o: ../../include/openssl/symhacks.h ../cryptlib.h evp_acnf.c
evp_aead.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
evp_aead.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
evp_aead.o: ../../include/openssl/err.h ../../include/openssl/evp.h
evp_aead.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
evp_aead.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
evp_aead.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
evp_aead.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
evp_aead.o: ../../include/openssl/symhacks.h evp_aead.c
evp_cnf.o: ../../e_os.h ../../include/openssl/asn1.h
evp_cnf.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
evp_cnf.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h

261
crypto/evp/e_chacha20poly1305.c Normal file
View file

@ -0,0 +1,261 @@
/* ====================================================================
* Copyright (c) 2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
*/
#include <stdint.h>
#include <string.h>
#include <openssl/opensslconf.h>
#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
#include <openssl/chacha.h>
#include <openssl/poly1305.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include "evp_locl.h"
#define POLY1305_TAG_LEN 16
#define CHACHA20_NONCE_LEN 8
struct aead_chacha20_poly1305_ctx
{
unsigned char key[32];
unsigned char tag_len;
};
static int aead_chacha20_poly1305_init(EVP_AEAD_CTX *ctx, const unsigned char *key, size_t key_len, size_t tag_len)
{
struct aead_chacha20_poly1305_ctx *c20_ctx;
if (tag_len == 0)
tag_len = POLY1305_TAG_LEN;
if (tag_len > POLY1305_TAG_LEN)
{
EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_INIT, EVP_R_TOO_LARGE);
return 0;
}
if (key_len != sizeof(c20_ctx->key))
return 0; /* internal error - EVP_AEAD_CTX_init should catch this. */
c20_ctx = OPENSSL_malloc(sizeof(struct aead_chacha20_poly1305_ctx));
if (c20_ctx == NULL)
return 0;
memcpy(&c20_ctx->key[0], key, key_len);
c20_ctx->tag_len = tag_len;
ctx->aead_state = c20_ctx;
return 1;
}
static void aead_chacha20_poly1305_cleanup(EVP_AEAD_CTX *ctx)
{
struct aead_chacha20_poly1305_ctx *c20_ctx = ctx->aead_state;
OPENSSL_cleanse(c20_ctx->key, sizeof(c20_ctx->key));
OPENSSL_free(c20_ctx);
}
static void poly1305_update_with_length(poly1305_state *poly1305,
const unsigned char *data, size_t data_len)
{
size_t j = data_len;
unsigned char length_bytes[8];
unsigned i;
for (i = 0; i < sizeof(length_bytes); i++)
{
length_bytes[i] = j;
j >>= 8;
}
CRYPTO_poly1305_update(poly1305, length_bytes, sizeof(length_bytes));
CRYPTO_poly1305_update(poly1305, data, data_len);
}
static ssize_t aead_chacha20_poly1305_seal(const EVP_AEAD_CTX *ctx,
unsigned char *out, size_t max_out_len,
const unsigned char *nonce, size_t nonce_len,
const unsigned char *in, size_t in_len,
const unsigned char *ad, size_t ad_len)
{
const struct aead_chacha20_poly1305_ctx *c20_ctx = ctx->aead_state;
unsigned char poly1305_key[32];
poly1305_state poly1305;
const uint64_t in_len_64 = in_len;
/* The underlying ChaCha implementation may not overflow the block
* counter into the second counter word. Therefore we disallow
* individual operations that work on more than 2TB at a time.
* |in_len_64| is needed because, on 32-bit platforms, size_t is only
* 32-bits and this produces a warning because it's always false.
* Casting to uint64_t inside the conditional is not sufficient to stop
* the warning. */
if (in_len_64 >= (1ull << 32)*64-64)
{
EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_TOO_LARGE);
return -1;
}
if (max_out_len < in_len + c20_ctx->tag_len)
{
EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_BUFFER_TOO_SMALL);
return -1;
}
if (nonce_len != CHACHA20_NONCE_LEN)
{
EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_IV_TOO_LARGE);
return -1;
}
memset(poly1305_key, 0, sizeof(poly1305_key));
CRYPTO_chacha_20(poly1305_key, poly1305_key, sizeof(poly1305_key), c20_ctx->key, nonce, 0);
CRYPTO_poly1305_init(&poly1305, poly1305_key);
poly1305_update_with_length(&poly1305, ad, ad_len);
CRYPTO_chacha_20(out, in, in_len, c20_ctx->key, nonce, 1);
poly1305_update_with_length(&poly1305, out, in_len);
if (c20_ctx->tag_len != POLY1305_TAG_LEN)
{
unsigned char tag[POLY1305_TAG_LEN];
CRYPTO_poly1305_finish(&poly1305, tag);
memcpy(out + in_len, tag, c20_ctx->tag_len);
return in_len + c20_ctx->tag_len;
}
CRYPTO_poly1305_finish(&poly1305, out + in_len);
return in_len + POLY1305_TAG_LEN;
}
static ssize_t aead_chacha20_poly1305_open(const EVP_AEAD_CTX *ctx,
unsigned char *out, size_t max_out_len,
const unsigned char *nonce, size_t nonce_len,
const unsigned char *in, size_t in_len,
const unsigned char *ad, size_t ad_len)
{
const struct aead_chacha20_poly1305_ctx *c20_ctx = ctx->aead_state;
unsigned char mac[POLY1305_TAG_LEN];
unsigned char poly1305_key[32];
size_t out_len;
poly1305_state poly1305;
const uint64_t in_len_64 = in_len;
if (in_len < c20_ctx->tag_len)
{
EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_BAD_DECRYPT);
return -1;
}
/* The underlying ChaCha implementation may not overflow the block
* counter into the second counter word. Therefore we disallow
* individual operations that work on more than 2TB at a time.
* |in_len_64| is needed because, on 32-bit platforms, size_t is only
* 32-bits and this produces a warning because it's always false.
* Casting to uint64_t inside the conditional is not sufficient to stop
* the warning. */
if (in_len_64 >= (1ull << 32)*64-64)
{
EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_TOO_LARGE);
return -1;
}
if (nonce_len != CHACHA20_NONCE_LEN)
{
EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_IV_TOO_LARGE);
return -1;
}
out_len = in_len - c20_ctx->tag_len;
if (max_out_len < out_len)
{
EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_BUFFER_TOO_SMALL);
return -1;
}
memset(poly1305_key, 0, sizeof(poly1305_key));
CRYPTO_chacha_20(poly1305_key, poly1305_key, sizeof(poly1305_key), c20_ctx->key, nonce, 0);
CRYPTO_poly1305_init(&poly1305, poly1305_key);
poly1305_update_with_length(&poly1305, ad, ad_len);
poly1305_update_with_length(&poly1305, in, out_len);
CRYPTO_poly1305_finish(&poly1305, mac);
if (CRYPTO_memcmp(mac, in + out_len, c20_ctx->tag_len) != 0)
{
EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_BAD_DECRYPT);
return -1;
}
CRYPTO_chacha_20(out, in, out_len, c20_ctx->key, nonce, 1);
return out_len;
}
static const EVP_AEAD aead_chacha20_poly1305 =
{
32, /* key len */
CHACHA20_NONCE_LEN, /* nonce len */
POLY1305_TAG_LEN, /* overhead */
POLY1305_TAG_LEN, /* max tag length */
aead_chacha20_poly1305_init,
aead_chacha20_poly1305_cleanup,
aead_chacha20_poly1305_seal,
aead_chacha20_poly1305_open,
};
const EVP_AEAD *EVP_aead_chacha20_poly1305()
{
return &aead_chacha20_poly1305;
}
#endif /* !OPENSSL_NO_CHACHA && !OPENSSL_NO_POLY1305 */

8
crypto/evp/evp.h
View file

@ -1283,6 +1283,11 @@ const EVP_AEAD *EVP_aead_aes_128_gcm(void);
const EVP_AEAD *EVP_aead_aes_256_gcm(void);
#endif
#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
/* EVP_aead_chacha20_poly1305 is ChaCha20 with a Poly1305 authenticator. */
const EVP_AEAD *EVP_aead_chacha20_poly1305(void);
#endif
/* EVP_AEAD_key_length returns the length, in bytes, of the keys used by
* |aead|. */
size_t EVP_AEAD_key_length(const EVP_AEAD *aead);
@ -1385,6 +1390,9 @@ void ERR_load_EVP_strings(void);
#define EVP_F_AEAD_AES_GCM_INIT 187
#define EVP_F_AEAD_AES_GCM_OPEN 188
#define EVP_F_AEAD_AES_GCM_SEAL 189
#define EVP_F_AEAD_CHACHA20_POLY1305_INIT 192
#define EVP_F_AEAD_CHACHA20_POLY1305_OPEN 193
#define EVP_F_AEAD_CHACHA20_POLY1305_SEAL 194
#define EVP_F_AEAD_CTX_OPEN 185
#define EVP_F_AEAD_CTX_SEAL 186
#define EVP_F_AESNI_INIT_KEY 165

3
crypto/evp/evp_err.c
View file

@ -73,6 +73,9 @@ static ERR_STRING_DATA EVP_str_functs[]=
{ERR_FUNC(EVP_F_AEAD_AES_GCM_INIT), "AEAD_AES_GCM_INIT"},
{ERR_FUNC(EVP_F_AEAD_AES_GCM_OPEN), "AEAD_AES_GCM_OPEN"},
{ERR_FUNC(EVP_F_AEAD_AES_GCM_SEAL), "AEAD_AES_GCM_SEAL"},
{ERR_FUNC(EVP_F_AEAD_CHACHA20_POLY1305_INIT), "AEAD_CHACHA20_POLY1305_INIT"},
{ERR_FUNC(EVP_F_AEAD_CHACHA20_POLY1305_OPEN), "AEAD_CHACHA20_POLY1305_OPEN"},
{ERR_FUNC(EVP_F_AEAD_CHACHA20_POLY1305_SEAL), "AEAD_CHACHA20_POLY1305_SEAL"},
{ERR_FUNC(EVP_F_AEAD_CTX_OPEN), "AEAD_CTX_OPEN"},
{ERR_FUNC(EVP_F_AEAD_CTX_SEAL), "AEAD_CTX_SEAL"},
{ERR_FUNC(EVP_F_AESNI_INIT_KEY), "AESNI_INIT_KEY"},

81
crypto/poly1305/Makefile Normal file
View file

@ -0,0 +1,81 @@
#
# OpenSSL/crypto/poly1305/Makefile
#
DIR= poly1305
TOP= ../..
CC= cc
CPP= $(CC) -E
INCLUDES=
CFLAG=-g
AR= ar r
POLY1305=poly1305_vec.o
CFLAGS= $(INCLUDES) $(CFLAG)
ASFLAGS= $(INCLUDES) $(ASFLAG)
AFLAGS= $(ASFLAGS)
GENERAL=Makefile
TEST=
APPS=
LIB=$(TOP)/libcrypto.a
LIBSRC=poly1305_vec.c
LIBOBJ=$(POLY1305)
SRC= $(LIBSRC)
EXHEADER=poly1305.h
HEADER= $(EXHEADER)
ALL= $(GENERAL) $(SRC) $(HEADER)
top:
(cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
all: lib
lib: $(LIBOBJ)
$(AR) $(LIB) $(LIBOBJ)
$(RANLIB) $(LIB) || echo Never mind.
@touch lib
files:
$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
links:
@$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
@$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
@$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
install:
@[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
@headerlist="$(EXHEADER)"; for i in $$headerlist ; \
do \
(cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
done;
tags:
ctags $(SRC)
tests:
lint:
lint -DLINT $(INCLUDES) $(SRC)>fluff
depend:
@[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
dclean:
$(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
mv -f Makefile.new $(MAKEFILE)
clean:
rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
# DO NOT DELETE THIS LINE -- make depend depends on it.
poly1305_vec.o: ../../include/openssl/poly1305.h poly1305_vec.c

320
crypto/poly1305/poly1305.c Normal file
View file

@ -0,0 +1,320 @@
/* ====================================================================
* Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
/* This implementation of poly1305 is by Andrew Moon
* (https://github.com/floodyberry/poly1305-donna) and released as public
* domain. */
#include <string.h>
#include <stdint.h>
#include <openssl/opensslconf.h>
#if !defined(OPENSSL_NO_POLY1305)
#include <openssl/poly1305.h>
#if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
/* We can assume little-endian. */
static uint32_t U8TO32_LE(const unsigned char *m)
{
uint32_t r;
memcpy(&r, m, sizeof(r));
return r;
}
static void U32TO8_LE(unsigned char *m, uint32_t v)
{
memcpy(m, &v, sizeof(v));
}
#else
static uint32_t U8TO32_LE(const unsigned char *m)
{
return (uint32_t)m[0] |
(uint32_t)m[1] << 8 |
(uint32_t)m[2] << 16 |
(uint32_t)m[3] << 24;
}
static void U32TO8_LE(unsigned char *m, uint32_t v)
{
m[0] = v;
m[1] = v >> 8;
m[2] = v >> 16;
m[3] = v >> 24;
}
#endif
static uint64_t
mul32x32_64(uint32_t a, uint32_t b)
{
return (uint64_t)a * b;
}
struct poly1305_state_st
{
uint32_t r0,r1,r2,r3,r4;
uint32_t s1,s2,s3,s4;
uint32_t h0,h1,h2,h3,h4;
unsigned char buf[16];
unsigned int buf_used;
unsigned char key[16];
};
/* poly1305_blocks updates |state| given some amount of input data. This
* function may only be called with a |len| that is not a multiple of 16 at the
* end of the data. Otherwise the input must be buffered into 16 byte blocks.
* */
static void poly1305_update(struct poly1305_state_st *state,
const unsigned char *in, size_t len)
{
uint32_t t0,t1,t2,t3;
uint64_t t[5];
uint32_t b;
uint64_t c;
size_t j;
unsigned char mp[16];
if (len < 16)
goto poly1305_donna_atmost15bytes;
poly1305_donna_16bytes:
t0 = U8TO32_LE(in);
t1 = U8TO32_LE(in+4);
t2 = U8TO32_LE(in+8);
t3 = U8TO32_LE(in+12);
in += 16;
len -= 16;
state->h0 += t0 & 0x3ffffff;
state->h1 += ((((uint64_t)t1 << 32) | t0) >> 26) & 0x3ffffff;
state->h2 += ((((uint64_t)t2 << 32) | t1) >> 20) & 0x3ffffff;
state->h3 += ((((uint64_t)t3 << 32) | t2) >> 14) & 0x3ffffff;
state->h4 += (t3 >> 8) | (1 << 24);
poly1305_donna_mul:
t[0] = mul32x32_64(state->h0,state->r0) +
mul32x32_64(state->h1,state->s4) +
mul32x32_64(state->h2,state->s3) +
mul32x32_64(state->h3,state->s2) +
mul32x32_64(state->h4,state->s1);
t[1] = mul32x32_64(state->h0,state->r1) +
mul32x32_64(state->h1,state->r0) +
mul32x32_64(state->h2,state->s4) +
mul32x32_64(state->h3,state->s3) +
mul32x32_64(state->h4,state->s2);
t[2] = mul32x32_64(state->h0,state->r2) +
mul32x32_64(state->h1,state->r1) +
mul32x32_64(state->h2,state->r0) +
mul32x32_64(state->h3,state->s4) +
mul32x32_64(state->h4,state->s3);
t[3] = mul32x32_64(state->h0,state->r3) +
mul32x32_64(state->h1,state->r2) +
mul32x32_64(state->h2,state->r1) +
mul32x32_64(state->h3,state->r0) +
mul32x32_64(state->h4,state->s4);
t[4] = mul32x32_64(state->h0,state->r4) +
mul32x32_64(state->h1,state->r3) +
mul32x32_64(state->h2,state->r2) +
mul32x32_64(state->h3,state->r1) +
mul32x32_64(state->h4,state->r0);
state->h0 = (uint32_t)t[0] & 0x3ffffff; c = (t[0] >> 26);
t[1] += c; state->h1 = (uint32_t)t[1] & 0x3ffffff; b = (uint32_t)(t[1] >> 26);
t[2] += b; state->h2 = (uint32_t)t[2] & 0x3ffffff; b = (uint32_t)(t[2] >> 26);
t[3] += b; state->h3 = (uint32_t)t[3] & 0x3ffffff; b = (uint32_t)(t[3] >> 26);
t[4] += b; state->h4 = (uint32_t)t[4] & 0x3ffffff; b = (uint32_t)(t[4] >> 26);
state->h0 += b * 5;
if (len >= 16)
goto poly1305_donna_16bytes;
/* final bytes */
poly1305_donna_atmost15bytes:
if (!len)
return;
for (j = 0; j < len; j++)
mp[j] = in[j];
mp[j++] = 1;
for (; j < 16; j++)
mp[j] = 0;
len = 0;
t0 = U8TO32_LE(mp+0);
t1 = U8TO32_LE(mp+4);
t2 = U8TO32_LE(mp+8);
t3 = U8TO32_LE(mp+12);
state->h0 += t0 & 0x3ffffff;
state->h1 += ((((uint64_t)t1 << 32) | t0) >> 26) & 0x3ffffff;
state->h2 += ((((uint64_t)t2 << 32) | t1) >> 20) & 0x3ffffff;
state->h3 += ((((uint64_t)t3 << 32) | t2) >> 14) & 0x3ffffff;
state->h4 += (t3 >> 8);
goto poly1305_donna_mul;
}
void CRYPTO_poly1305_init(poly1305_state *statep, const unsigned char key[32])
{
struct poly1305_state_st *state = (struct poly1305_state_st*) statep;
uint32_t t0,t1,t2,t3;
t0 = U8TO32_LE(key+0);
t1 = U8TO32_LE(key+4);
t2 = U8TO32_LE(key+8);
t3 = U8TO32_LE(key+12);
/* precompute multipliers */
state->r0 = t0 & 0x3ffffff; t0 >>= 26; t0 |= t1 << 6;
state->r1 = t0 & 0x3ffff03; t1 >>= 20; t1 |= t2 << 12;
state->r2 = t1 & 0x3ffc0ff; t2 >>= 14; t2 |= t3 << 18;
state->r3 = t2 & 0x3f03fff; t3 >>= 8;
state->r4 = t3 & 0x00fffff;
state->s1 = state->r1 * 5;
state->s2 = state->r2 * 5;
state->s3 = state->r3 * 5;
state->s4 = state->r4 * 5;
/* init state */
state->h0 = 0;
state->h1 = 0;
state->h2 = 0;
state->h3 = 0;
state->h4 = 0;
state->buf_used = 0;
memcpy(state->key, key + 16, sizeof(state->key));
}
void CRYPTO_poly1305_update(poly1305_state *statep, const unsigned char *in,
size_t in_len)
{
unsigned int i;
struct poly1305_state_st *state = (struct poly1305_state_st*) statep;
if (state->buf_used)
{
unsigned int todo = 16 - state->buf_used;
if (todo > in_len)
todo = in_len;
for (i = 0; i < todo; i++)
state->buf[state->buf_used + i] = in[i];
state->buf_used += todo;
in_len -= todo;
in += todo;
if (state->buf_used == 16)
{
poly1305_update(state, state->buf, 16);
state->buf_used = 0;
}
}
if (in_len >= 16)
{
size_t todo = in_len & ~0xf;
poly1305_update(state, in, todo);
in += todo;
in_len &= 0xf;
}
if (in_len)
{
for (i = 0; i < in_len; i++)
state->buf[i] = in[i];
state->buf_used = in_len;
}
}
void CRYPTO_poly1305_finish(poly1305_state *statep, unsigned char mac[16])
{
struct poly1305_state_st *state = (struct poly1305_state_st*) statep;
uint64_t f0,f1,f2,f3;
uint32_t g0,g1,g2,g3,g4;
uint32_t b, nb;
if (state->buf_used)
poly1305_update(state, state->buf, state->buf_used);
b = state->h0 >> 26; state->h0 = state->h0 & 0x3ffffff;
state->h1 += b; b = state->h1 >> 26; state->h1 = state->h1 & 0x3ffffff;
state->h2 += b; b = state->h2 >> 26; state->h2 = state->h2 & 0x3ffffff;
state->h3 += b; b = state->h3 >> 26; state->h3 = state->h3 & 0x3ffffff;
state->h4 += b; b = state->h4 >> 26; state->h4 = state->h4 & 0x3ffffff;
state->h0 += b * 5;
g0 = state->h0 + 5; b = g0 >> 26; g0 &= 0x3ffffff;
g1 = state->h1 + b; b = g1 >> 26; g1 &= 0x3ffffff;
g2 = state->h2 + b; b = g2 >> 26; g2 &= 0x3ffffff;
g3 = state->h3 + b; b = g3 >> 26; g3 &= 0x3ffffff;
g4 = state->h4 + b - (1 << 26);
b = (g4 >> 31) - 1;
nb = ~b;
state->h0 = (state->h0 & nb) | (g0 & b);
state->h1 = (state->h1 & nb) | (g1 & b);
state->h2 = (state->h2 & nb) | (g2 & b);
state->h3 = (state->h3 & nb) | (g3 & b);
state->h4 = (state->h4 & nb) | (g4 & b);
f0 = ((state->h0 ) | (state->h1 << 26)) + (uint64_t)U8TO32_LE(&state->key[0]);
f1 = ((state->h1 >> 6) | (state->h2 << 20)) + (uint64_t)U8TO32_LE(&state->key[4]);
f2 = ((state->h2 >> 12) | (state->h3 << 14)) + (uint64_t)U8TO32_LE(&state->key[8]);
f3 = ((state->h3 >> 18) | (state->h4 << 8)) + (uint64_t)U8TO32_LE(&state->key[12]);
U32TO8_LE(&mac[ 0], f0); f1 += (f0 >> 32);
U32TO8_LE(&mac[ 4], f1); f2 += (f1 >> 32);
U32TO8_LE(&mac[ 8], f2); f3 += (f2 >> 32);
U32TO8_LE(&mac[12], f3);
}
#endif /* !OPENSSL_NO_POLY1305 */

80
crypto/poly1305/poly1305.h Normal file
View file

@ -0,0 +1,80 @@
/* ====================================================================
* Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#ifndef HEADER_POLY1305_H_
#define HEADER_POLY1305_H_
#include <stdint.h>
#include <openssl/opensslconf.h>
#if defined(OPENSSL_NO_POLY1305)
#error Poly1305 support is disabled.
#endif
typedef unsigned char poly1305_state[512];
/* poly1305_init sets up |state| so that it can be used to calculate an
* authentication tag with the one-time key |key|. Note that |key| is a
* one-time key and therefore there is no `reset' method because that would
* enable several messages to be authenticated with the same key. */
extern void CRYPTO_poly1305_init(poly1305_state* state,
const unsigned char key[32]);
/* poly1305_update processes |in_len| bytes from |in|. It can be called zero or
* more times after poly1305_init. */
extern void CRYPTO_poly1305_update(poly1305_state* state,
const unsigned char *in,
size_t in_len);
/* poly1305_finish completes the poly1305 calculation and writes a 16 byte
* authentication tag to |mac|. */
extern void CRYPTO_poly1305_finish(poly1305_state* state,
unsigned char mac[16]);
#endif /* HEADER_POLY1305_H_ */

335
crypto/poly1305/poly1305_arm.c Normal file
View file

@ -0,0 +1,335 @@
/* ====================================================================
* Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
/* This implementation was taken from the public domain, neon2 version in
* SUPERCOP by D. J. Bernstein and Peter Schwabe. */
#include <stdint.h>
#include <openssl/poly1305.h>
#if !defined(OPENSSL_NO_POLY1305)
typedef struct {
uint32_t v[12]; /* for alignment; only using 10 */
} fe1305x2;
#define addmulmod openssl_poly1305_neon2_addmulmod
#define blocks openssl_poly1305_neon2_blocks
extern void addmulmod(fe1305x2 *r, const fe1305x2 *x, const fe1305x2 *y, const fe1305x2 *c);
extern int blocks(fe1305x2 *h, const fe1305x2 *precomp, const unsigned char *in, unsigned int inlen);
static void freeze(fe1305x2 *r)
{
int i;
uint32_t x0 = r->v[0];
uint32_t x1 = r->v[2];
uint32_t x2 = r->v[4];
uint32_t x3 = r->v[6];
uint32_t x4 = r->v[8];
uint32_t y0;
uint32_t y1;
uint32_t y2;
uint32_t y3;
uint32_t y4;
uint32_t swap;
for (i = 0;i < 3;++i)
{
x1 += x0 >> 26; x0 &= 0x3ffffff;
x2 += x1 >> 26; x1 &= 0x3ffffff;
x3 += x2 >> 26; x2 &= 0x3ffffff;
x4 += x3 >> 26; x3 &= 0x3ffffff;
x0 += 5*(x4 >> 26); x4 &= 0x3ffffff;
}
y0 = x0 + 5;
y1 = x1 + (y0 >> 26); y0 &= 0x3ffffff;
y2 = x2 + (y1 >> 26); y1 &= 0x3ffffff;
y3 = x3 + (y2 >> 26); y2 &= 0x3ffffff;
y4 = x4 + (y3 >> 26); y3 &= 0x3ffffff;
swap = -(y4 >> 26); y4 &= 0x3ffffff;
y0 ^= x0;
y1 ^= x1;
y2 ^= x2;
y3 ^= x3;
y4 ^= x4;
y0 &= swap;
y1 &= swap;
y2 &= swap;
y3 &= swap;
y4 &= swap;
y0 ^= x0;
y1 ^= x1;
y2 ^= x2;
y3 ^= x3;
y4 ^= x4;
r->v[0] = y0;
r->v[2] = y1;
r->v[4] = y2;
r->v[6] = y3;
r->v[8] = y4;
}
static void fe1305x2_tobytearray(unsigned char *r, fe1305x2 *x)
{
uint32_t x0 = x->v[0];
uint32_t x1 = x->v[2];
uint32_t x2 = x->v[4];
uint32_t x3 = x->v[6];
uint32_t x4 = x->v[8];
x1 += x0 >> 26;
x0 &= 0x3ffffff;
x2 += x1 >> 26;
x1 &= 0x3ffffff;
x3 += x2 >> 26;
x2 &= 0x3ffffff;
x4 += x3 >> 26;
x3 &= 0x3ffffff;
*(uint32_t *) r = x0 + (x1 << 26);
*(uint32_t *) (r + 4) = (x1 >> 6) + (x2 << 20);
*(uint32_t *) (r + 8) = (x2 >> 12) + (x3 << 14);
*(uint32_t *) (r + 12) = (x3 >> 18) + (x4 << 8);
}
/* load32 exists to avoid breaking strict aliasing rules in
* fe1305x2_frombytearray. */
static uint32_t load32(unsigned char *t)
{
uint32_t tmp;
memcpy(&tmp, t, sizeof(tmp));
return tmp;
}
static void fe1305x2_frombytearray(fe1305x2 *r, const unsigned char *x, unsigned long long xlen)
{
int i;
unsigned char t[17];
for (i = 0; (i < 16) && (i < xlen); i++)
t[i] = x[i];
xlen -= i;
x += i;
t[i++] = 1;
for (; i<17; i++)
t[i] = 0;
r->v[0] = 0x3ffffff & load32(t);
r->v[2] = 0x3ffffff & (load32(t + 3) >> 2);
r->v[4] = 0x3ffffff & (load32(t + 6) >> 4);
r->v[6] = 0x3ffffff & (load32(t + 9) >> 6);
r->v[8] = load32(t + 13);
if (xlen)
{
for (i = 0; (i < 16) && (i < xlen); i++)
t[i] = x[i];
t[i++] = 1;
for (; i<17; i++)
t[i] = 0;
r->v[1] = 0x3ffffff & load32(t);
r->v[3] = 0x3ffffff & (load32(t + 3) >> 2);
r->v[5] = 0x3ffffff & (load32(t + 6) >> 4);
r->v[7] = 0x3ffffff & (load32(t + 9) >> 6);
r->v[9] = load32(t + 13);
}
else
r->v[1] = r->v[3] = r->v[5] = r->v[7] = r->v[9] = 0;
}
static const fe1305x2 zero __attribute__ ((aligned (16)));
struct poly1305_state_st {
unsigned char data[sizeof(fe1305x2[5]) + 128];
unsigned char buf[32];
unsigned int buf_used;
unsigned char key[16];
};
void CRYPTO_poly1305_init(poly1305_state *state, const unsigned char key[32])
{
struct poly1305_state_st *st = (struct poly1305_state_st*) (state);
fe1305x2 *const r = (fe1305x2 *) (st->data + (15 & (-(int) st->data)));
fe1305x2 *const h = r + 1;
fe1305x2 *const c = h + 1;
fe1305x2 *const precomp = c + 1;
unsigned int j;
r->v[1] = r->v[0] = 0x3ffffff & *(uint32_t *) key;
r->v[3] = r->v[2] = 0x3ffff03 & ((*(uint32_t *) (key + 3)) >> 2);
r->v[5] = r->v[4] = 0x3ffc0ff & ((*(uint32_t *) (key + 6)) >> 4);
r->v[7] = r->v[6] = 0x3f03fff & ((*(uint32_t *) (key + 9)) >> 6);
r->v[9] = r->v[8] = 0x00fffff & ((*(uint32_t *) (key + 12)) >> 8);
for (j = 0; j < 10; j++)
h->v[j] = 0; /* XXX: should fast-forward a bit */
addmulmod(precomp,r,r,&zero); /* precompute r^2 */
addmulmod(precomp + 1,precomp,precomp,&zero); /* precompute r^4 */
memcpy(st->key, key + 16, 16);
st->buf_used = 0;
}
void CRYPTO_poly1305_update(poly1305_state *state, const unsigned char *in, size_t in_len)
{
struct poly1305_state_st *st = (struct poly1305_state_st*) (state);
fe1305x2 *const r = (fe1305x2 *) (st->data + (15 & (-(int) st->data)));
fe1305x2 *const h = r + 1;
fe1305x2 *const c = h + 1;
fe1305x2 *const precomp = c + 1;
unsigned int i;
unsigned char data[sizeof(fe1305x2) + 16];
fe1305x2 *const r2r = (fe1305x2 *) (data + (15 & (-(int) data)));
if (st->buf_used)
{
unsigned int todo = 32 - st->buf_used;
if (todo > in_len)
todo = in_len;
for (i = 0; i < todo; i++)
st->buf[st->buf_used + i] = in[i];
st->buf_used += todo;
in_len -= todo;
in += todo;
if (st->buf_used == sizeof(st->buf))
{
fe1305x2_frombytearray(c, st->buf, sizeof(st->buf));
r2r->v[0] = precomp->v[0];
r2r->v[2] = precomp->v[2];
r2r->v[4] = precomp->v[4];
r2r->v[6] = precomp->v[6];
r2r->v[8] = precomp->v[8];
r2r->v[1] = r->v[1];
r2r->v[3] = r->v[3];
r2r->v[5] = r->v[5];
r2r->v[7] = r->v[7];
r2r->v[9] = r->v[9];
addmulmod(h,h,r2r,c);
st->buf_used = 0;
}
}
while (in_len > 32)
{
unsigned int tlen = 1048576;
if (in_len < 1048576)
tlen = in_len;
tlen -= blocks(h, precomp, in, tlen);
in_len -= tlen;
in += tlen;
}
if (in_len)
{
for (i = 0; i < in_len; i++)
st->buf[i] = in[i];
st->buf_used = in_len;
}
}
void CRYPTO_poly1305_finish(poly1305_state* state, unsigned char mac[16])
{
struct poly1305_state_st *st = (struct poly1305_state_st*) (state);
fe1305x2 *const r = (fe1305x2 *) (st->data + (15 & (-(int) st->data)));
fe1305x2 *const h = r + 1;
fe1305x2 *const c = h + 1;
fe1305x2 *const precomp = c + 1;
if (st->buf_used > 16)
{
fe1305x2_frombytearray(c, st->buf, st->buf_used);
precomp->v[1] = r->v[1];
precomp->v[3] = r->v[3];
precomp->v[5] = r->v[5];
precomp->v[7] = r->v[7];
precomp->v[9] = r->v[9];
addmulmod(h,h,precomp,c);
}
else if (st->buf_used > 0)
{
fe1305x2_frombytearray(c, st->buf, st->buf_used);
r->v[1] = 1;
r->v[3] = 0;
r->v[5] = 0;
r->v[7] = 0;
r->v[9] = 0;
addmulmod(h,h,r,c);
}
h->v[0] += h->v[1];
h->v[2] += h->v[3];
h->v[4] += h->v[5];
h->v[6] += h->v[7];
h->v[8] += h->v[9];
freeze(h);
fe1305x2_frombytearray(c, st->key, 16);
c->v[8] ^= (1 << 24);
h->v[0] += c->v[0];
h->v[2] += c->v[2];
h->v[4] += c->v[4];
h->v[6] += c->v[6];
h->v[8] += c->v[8];
fe1305x2_tobytearray(mac, h);
}
#endif /* !OPENSSL_NO_POLY1305 */

2009
crypto/poly1305/poly1305_arm_asm.s Normal file
View file

File diff suppressed because it is too large Load diff

733
crypto/poly1305/poly1305_vec.c Normal file
View file

@ -0,0 +1,733 @@
/* ====================================================================
* Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
/* This implementation of poly1305 is by Andrew Moon
* (https://github.com/floodyberry/poly1305-donna) and released as public
* domain. It implements SIMD vectorization based on the algorithm described in
* http://cr.yp.to/papers.html#neoncrypto. Unrolled to 2 powers, i.e. 64 byte
* block size
*/
#include <emmintrin.h>
#include <stdint.h>
#include <openssl/opensslconf.h>
#if !defined(OPENSSL_NO_POLY1305)
#include <openssl/poly1305.h>
#define ALIGN(x) __attribute__((aligned(x)))
#define INLINE inline
#define U8TO64_LE(m) (*(uint64_t*)(m))
#define U8TO32_LE(m) (*(uint32_t*)(m))
#define U64TO8_LE(m,v) (*(uint64_t*)(m)) = v
typedef __m128i xmmi;
typedef unsigned __int128 uint128_t;
static const uint32_t ALIGN(16) poly1305_x64_sse2_message_mask[4] =
{(1 << 26) - 1, 0, (1 << 26) - 1, 0};
static const uint32_t ALIGN(16) poly1305_x64_sse2_5[4] = {5, 0, 5, 0};
static const uint32_t ALIGN(16) poly1305_x64_sse2_1shl128[4] =
{(1 << 24), 0, (1 << 24), 0};
static uint128_t INLINE
add128(uint128_t a, uint128_t b)
{
return a + b;
}
static uint128_t INLINE
add128_64(uint128_t a, uint64_t b)
{
return a + b;
}
static uint128_t INLINE
mul64x64_128(uint64_t a, uint64_t b)
{
return (uint128_t)a * b;
}
static uint64_t INLINE
lo128(uint128_t a)
{
return (uint64_t)a;
}
static uint64_t INLINE
shr128(uint128_t v, const int shift)
{
return (uint64_t)(v >> shift);
}
static uint64_t INLINE
shr128_pair(uint64_t hi, uint64_t lo, const int shift)
{
return (uint64_t)((((uint128_t)hi << 64) | lo) >> shift);
}
typedef struct poly1305_power_t
{
union
{
xmmi v;
uint64_t u[2];
uint32_t d[4];
} R20,R21,R22,R23,R24,S21,S22,S23,S24;
} poly1305_power;
typedef struct poly1305_state_internal_t
{
poly1305_power P[2]; /* 288 bytes, top 32 bit halves unused = 144
bytes of free storage */
union
{
xmmi H[5]; /* 80 bytes */
uint64_t HH[10];
};
/* uint64_t r0,r1,r2; [24 bytes] */
/* uint64_t pad0,pad1; [16 bytes] */
uint64_t started; /* 8 bytes */
uint64_t leftover; /* 8 bytes */
uint8_t buffer[64]; /* 64 bytes */
} poly1305_state_internal; /* 448 bytes total + 63 bytes for
alignment = 511 bytes raw */
static poly1305_state_internal INLINE
*poly1305_aligned_state(poly1305_state *state)
{
return (poly1305_state_internal *)(((uint64_t)state + 63) & ~63);
}
/* copy 0-63 bytes */
static void INLINE
poly1305_block_copy(uint8_t *dst, const uint8_t *src, size_t bytes)
{
size_t offset = src - dst;
if (bytes & 32)
{
_mm_storeu_si128((xmmi *)(dst + 0), _mm_loadu_si128((xmmi *)(dst + offset + 0)));
_mm_storeu_si128((xmmi *)(dst + 16), _mm_loadu_si128((xmmi *)(dst + offset + 16)));
dst += 32;
}
if (bytes & 16)
{
_mm_storeu_si128((xmmi *)dst,
_mm_loadu_si128((xmmi *)(dst + offset)));
dst += 16;
}
if (bytes & 8)
{
*(uint64_t *)dst = *(uint64_t *)(dst + offset);
dst += 8;
}
if (bytes & 4)
{
*(uint32_t *)dst = *(uint32_t *)(dst + offset);
dst += 4;
}
if (bytes & 2)
{
*(uint16_t *)dst = *(uint16_t *)(dst + offset);
dst += 2;
}
if (bytes & 1)
{
*( uint8_t *)dst = *( uint8_t *)(dst + offset);
}
}
/* zero 0-15 bytes */
static void INLINE
poly1305_block_zero(uint8_t *dst, size_t bytes)
{
if (bytes & 8) { *(uint64_t *)dst = 0; dst += 8; }
if (bytes & 4) { *(uint32_t *)dst = 0; dst += 4; }
if (bytes & 2) { *(uint16_t *)dst = 0; dst += 2; }
if (bytes & 1) { *( uint8_t *)dst = 0; }
}
static size_t INLINE
poly1305_min(size_t a, size_t b)
{
return (a < b) ? a : b;
}
void
CRYPTO_poly1305_init(poly1305_state *state, const unsigned char key[32])
{
poly1305_state_internal *st = poly1305_aligned_state(state);
poly1305_power *p;
uint64_t r0,r1,r2;
uint64_t t0,t1;
/* clamp key */
t0 = U8TO64_LE(key + 0);
t1 = U8TO64_LE(key + 8);
r0 = t0 & 0xffc0fffffff; t0 >>= 44; t0 |= t1 << 20;
r1 = t0 & 0xfffffc0ffff; t1 >>= 24;
r2 = t1 & 0x00ffffffc0f;
/* store r in un-used space of st->P[1] */
p = &st->P[1];
p->R20.d[1] = (uint32_t)(r0 );
p->R20.d[3] = (uint32_t)(r0 >> 32);
p->R21.d[1] = (uint32_t)(r1 );
p->R21.d[3] = (uint32_t)(r1 >> 32);
p->R22.d[1] = (uint32_t)(r2 );
p->R22.d[3] = (uint32_t)(r2 >> 32);
/* store pad */
p->R23.d[1] = U8TO32_LE(key + 16);
p->R23.d[3] = U8TO32_LE(key + 20);
p->R24.d[1] = U8TO32_LE(key + 24);
p->R24.d[3] = U8TO32_LE(key + 28);
/* H = 0 */
st->H[0] = _mm_setzero_si128();
st->H[1] = _mm_setzero_si128();
st->H[2] = _mm_setzero_si128();
st->H[3] = _mm_setzero_si128();
st->H[4] = _mm_setzero_si128();
st->started = 0;
st->leftover = 0;
}
static void
poly1305_first_block(poly1305_state_internal *st, const uint8_t *m)
{
const xmmi MMASK =
_mm_load_si128((xmmi *)poly1305_x64_sse2_message_mask);
const xmmi FIVE = _mm_load_si128((xmmi*)poly1305_x64_sse2_5);
const xmmi HIBIT = _mm_load_si128((xmmi*)poly1305_x64_sse2_1shl128);
xmmi T5,T6;
poly1305_power *p;
uint128_t d[3];
uint64_t r0,r1,r2;
uint64_t r20,r21,r22,s22;
uint64_t pad0,pad1;
uint64_t c;
uint64_t i;
/* pull out stored info */
p = &st->P[1];
r0 = ((uint64_t)p->R20.d[3] << 32) | (uint64_t)p->R20.d[1];
r1 = ((uint64_t)p->R21.d[3] << 32) | (uint64_t)p->R21.d[1];
r2 = ((uint64_t)p->R22.d[3] << 32) | (uint64_t)p->R22.d[1];
pad0 = ((uint64_t)p->R23.d[3] << 32) | (uint64_t)p->R23.d[1];
pad1 = ((uint64_t)p->R24.d[3] << 32) | (uint64_t)p->R24.d[1];
/* compute powers r^2,r^4 */
r20 = r0;
r21 = r1;
r22 = r2;
for (i = 0; i < 2; i++)
{
s22 = r22 * (5 << 2);
d[0] = add128(mul64x64_128(r20, r20), mul64x64_128(r21 * 2, s22));
d[1] = add128(mul64x64_128(r22, s22), mul64x64_128(r20 * 2, r21));
d[2] = add128(mul64x64_128(r21, r21), mul64x64_128(r22 * 2, r20));
r20 = lo128(d[0]) & 0xfffffffffff; c = shr128(d[0], 44);
d[1] = add128_64(d[1], c); r21 = lo128(d[1]) & 0xfffffffffff; c = shr128(d[1], 44);
d[2] = add128_64(d[2], c); r22 = lo128(d[2]) & 0x3ffffffffff; c = shr128(d[2], 42);
r20 += c * 5; c = (r20 >> 44); r20 = r20 & 0xfffffffffff;
r21 += c;
p->R20.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)( r20 ) & 0x3ffffff), _MM_SHUFFLE(1,0,1,0));
p->R21.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)((r20 >> 26) | (r21 << 18)) & 0x3ffffff), _MM_SHUFFLE(1,0,1,0));
p->R22.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)((r21 >> 8) ) & 0x3ffffff), _MM_SHUFFLE(1,0,1,0));
p->R23.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)((r21 >> 34) | (r22 << 10)) & 0x3ffffff), _MM_SHUFFLE(1,0,1,0));
p->R24.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)((r22 >> 16) ) ), _MM_SHUFFLE(1,0,1,0));
p->S21.v = _mm_mul_epu32(p->R21.v, FIVE);
p->S22.v = _mm_mul_epu32(p->R22.v, FIVE);
p->S23.v = _mm_mul_epu32(p->R23.v, FIVE);
p->S24.v = _mm_mul_epu32(p->R24.v, FIVE);
p--;
}
/* put saved info back */
p = &st->P[1];
p->R20.d[1] = (uint32_t)(r0 );
p->R20.d[3] = (uint32_t)(r0 >> 32);
p->R21.d[1] = (uint32_t)(r1 );
p->R21.d[3] = (uint32_t)(r1 >> 32);
p->R22.d[1] = (uint32_t)(r2 );
p->R22.d[3] = (uint32_t)(r2 >> 32);
p->R23.d[1] = (uint32_t)(pad0 );
p->R23.d[3] = (uint32_t)(pad0 >> 32);
p->R24.d[1] = (uint32_t)(pad1 );
p->R24.d[3] = (uint32_t)(pad1 >> 32);
/* H = [Mx,My] */
T5 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 0)), _mm_loadl_epi64((xmmi *)(m + 16)));
T6 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 8)), _mm_loadl_epi64((xmmi *)(m + 24)));
st->H[0] = _mm_and_si128(MMASK, T5);
st->H[1] = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26));
T5 = _mm_or_si128(_mm_srli_epi64(T5, 52), _mm_slli_epi64(T6, 12));
st->H[2] = _mm_and_si128(MMASK, T5);
st->H[3] = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26));
st->H[4] = _mm_or_si128(_mm_srli_epi64(T6, 40), HIBIT);
}
static void
poly1305_blocks(poly1305_state_internal *st, const uint8_t *m, size_t bytes)
{
const xmmi MMASK = _mm_load_si128((xmmi *)poly1305_x64_sse2_message_mask);
const xmmi FIVE = _mm_load_si128((xmmi*)poly1305_x64_sse2_5);
const xmmi HIBIT = _mm_load_si128((xmmi*)poly1305_x64_sse2_1shl128);
poly1305_power *p;
xmmi H0,H1,H2,H3,H4;
xmmi T0,T1,T2,T3,T4,T5,T6;
xmmi M0,M1,M2,M3,M4;
xmmi C1,C2;
H0 = st->H[0];
H1 = st->H[1];
H2 = st->H[2];
H3 = st->H[3];
H4 = st->H[4];
while (bytes >= 64)
{
/* H *= [r^4,r^4] */
p = &st->P[0];
T0 = _mm_mul_epu32(H0, p->R20.v);
T1 = _mm_mul_epu32(H0, p->R21.v);
T2 = _mm_mul_epu32(H0, p->R22.v);
T3 = _mm_mul_epu32(H0, p->R23.v);
T4 = _mm_mul_epu32(H0, p->R24.v);
T5 = _mm_mul_epu32(H1, p->S24.v); T6 = _mm_mul_epu32(H1, p->R20.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H2, p->S23.v); T6 = _mm_mul_epu32(H2, p->S24.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H3, p->S22.v); T6 = _mm_mul_epu32(H3, p->S23.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H4, p->S21.v); T6 = _mm_mul_epu32(H4, p->S22.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H1, p->R21.v); T6 = _mm_mul_epu32(H1, p->R22.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H2, p->R20.v); T6 = _mm_mul_epu32(H2, p->R21.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H3, p->S24.v); T6 = _mm_mul_epu32(H3, p->R20.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H4, p->S23.v); T6 = _mm_mul_epu32(H4, p->S24.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H1, p->R23.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(H2, p->R22.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(H3, p->R21.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(H4, p->R20.v); T4 = _mm_add_epi64(T4, T5);
/* H += [Mx,My]*[r^2,r^2] */
T5 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 0)), _mm_loadl_epi64((xmmi *)(m + 16)));
T6 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 8)), _mm_loadl_epi64((xmmi *)(m + 24)));
M0 = _mm_and_si128(MMASK, T5);
M1 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26));
T5 = _mm_or_si128(_mm_srli_epi64(T5, 52), _mm_slli_epi64(T6, 12));
M2 = _mm_and_si128(MMASK, T5);
M3 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26));
M4 = _mm_or_si128(_mm_srli_epi64(T6, 40), HIBIT);
p = &st->P[1];
T5 = _mm_mul_epu32(M0, p->R20.v); T6 = _mm_mul_epu32(M0, p->R21.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(M1, p->S24.v); T6 = _mm_mul_epu32(M1, p->R20.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(M2, p->S23.v); T6 = _mm_mul_epu32(M2, p->S24.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(M3, p->S22.v); T6 = _mm_mul_epu32(M3, p->S23.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(M4, p->S21.v); T6 = _mm_mul_epu32(M4, p->S22.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(M0, p->R22.v); T6 = _mm_mul_epu32(M0, p->R23.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(M1, p->R21.v); T6 = _mm_mul_epu32(M1, p->R22.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(M2, p->R20.v); T6 = _mm_mul_epu32(M2, p->R21.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(M3, p->S24.v); T6 = _mm_mul_epu32(M3, p->R20.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(M4, p->S23.v); T6 = _mm_mul_epu32(M4, p->S24.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(M0, p->R24.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(M1, p->R23.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(M2, p->R22.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(M3, p->R21.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(M4, p->R20.v); T4 = _mm_add_epi64(T4, T5);
/* H += [Mx,My] */
T5 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 32)), _mm_loadl_epi64((xmmi *)(m + 48)));
T6 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 40)), _mm_loadl_epi64((xmmi *)(m + 56)));
M0 = _mm_and_si128(MMASK, T5);
M1 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26));
T5 = _mm_or_si128(_mm_srli_epi64(T5, 52), _mm_slli_epi64(T6, 12));
M2 = _mm_and_si128(MMASK, T5);
M3 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26));
M4 = _mm_or_si128(_mm_srli_epi64(T6, 40), HIBIT);
T0 = _mm_add_epi64(T0, M0);
T1 = _mm_add_epi64(T1, M1);
T2 = _mm_add_epi64(T2, M2);
T3 = _mm_add_epi64(T3, M3);
T4 = _mm_add_epi64(T4, M4);
/* reduce */
C1 = _mm_srli_epi64(T0, 26); C2 = _mm_srli_epi64(T3, 26); T0 = _mm_and_si128(T0, MMASK); T3 = _mm_and_si128(T3, MMASK); T1 = _mm_add_epi64(T1, C1); T4 = _mm_add_epi64(T4, C2);
C1 = _mm_srli_epi64(T1, 26); C2 = _mm_srli_epi64(T4, 26); T1 = _mm_and_si128(T1, MMASK); T4 = _mm_and_si128(T4, MMASK); T2 = _mm_add_epi64(T2, C1); T0 = _mm_add_epi64(T0, _mm_mul_epu32(C2, FIVE));
C1 = _mm_srli_epi64(T2, 26); C2 = _mm_srli_epi64(T0, 26); T2 = _mm_and_si128(T2, MMASK); T0 = _mm_and_si128(T0, MMASK); T3 = _mm_add_epi64(T3, C1); T1 = _mm_add_epi64(T1, C2);
C1 = _mm_srli_epi64(T3, 26); T3 = _mm_and_si128(T3, MMASK); T4 = _mm_add_epi64(T4, C1);
/* H = (H*[r^4,r^4] + [Mx,My]*[r^2,r^2] + [Mx,My]) */
H0 = T0;
H1 = T1;
H2 = T2;
H3 = T3;
H4 = T4;
m += 64;
bytes -= 64;
}
st->H[0] = H0;
st->H[1] = H1;
st->H[2] = H2;
st->H[3] = H3;
st->H[4] = H4;
}
static size_t
poly1305_combine(poly1305_state_internal *st, const uint8_t *m, size_t bytes)
{
const xmmi MMASK =
_mm_load_si128((xmmi *)poly1305_x64_sse2_message_mask);
const xmmi HIBIT = _mm_load_si128((xmmi*)poly1305_x64_sse2_1shl128);
const xmmi FIVE = _mm_load_si128((xmmi*)poly1305_x64_sse2_5);
poly1305_power *p;
xmmi H0,H1,H2,H3,H4;
xmmi M0,M1,M2,M3,M4;
xmmi T0,T1,T2,T3,T4,T5,T6;
xmmi C1,C2;
uint64_t r0,r1,r2;
uint64_t t0,t1,t2,t3,t4;
uint64_t c;
size_t consumed = 0;
H0 = st->H[0];
H1 = st->H[1];
H2 = st->H[2];
H3 = st->H[3];
H4 = st->H[4];
/* p = [r^2,r^2] */
p = &st->P[1];
if (bytes >= 32)
{
/* H *= [r^2,r^2] */
T0 = _mm_mul_epu32(H0, p->R20.v);
T1 = _mm_mul_epu32(H0, p->R21.v);
T2 = _mm_mul_epu32(H0, p->R22.v);
T3 = _mm_mul_epu32(H0, p->R23.v);
T4 = _mm_mul_epu32(H0, p->R24.v);
T5 = _mm_mul_epu32(H1, p->S24.v); T6 = _mm_mul_epu32(H1, p->R20.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H2, p->S23.v); T6 = _mm_mul_epu32(H2, p->S24.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H3, p->S22.v); T6 = _mm_mul_epu32(H3, p->S23.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H4, p->S21.v); T6 = _mm_mul_epu32(H4, p->S22.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H1, p->R21.v); T6 = _mm_mul_epu32(H1, p->R22.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H2, p->R20.v); T6 = _mm_mul_epu32(H2, p->R21.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H3, p->S24.v); T6 = _mm_mul_epu32(H3, p->R20.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H4, p->S23.v); T6 = _mm_mul_epu32(H4, p->S24.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H1, p->R23.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(H2, p->R22.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(H3, p->R21.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(H4, p->R20.v); T4 = _mm_add_epi64(T4, T5);
/* H += [Mx,My] */
T5 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 0)), _mm_loadl_epi64((xmmi *)(m + 16)));
T6 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 8)), _mm_loadl_epi64((xmmi *)(m + 24)));
M0 = _mm_and_si128(MMASK, T5);
M1 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26));
T5 = _mm_or_si128(_mm_srli_epi64(T5, 52), _mm_slli_epi64(T6, 12));
M2 = _mm_and_si128(MMASK, T5);
M3 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26));
M4 = _mm_or_si128(_mm_srli_epi64(T6, 40), HIBIT);
T0 = _mm_add_epi64(T0, M0);
T1 = _mm_add_epi64(T1, M1);
T2 = _mm_add_epi64(T2, M2);
T3 = _mm_add_epi64(T3, M3);
T4 = _mm_add_epi64(T4, M4);
/* reduce */
C1 = _mm_srli_epi64(T0, 26); C2 = _mm_srli_epi64(T3, 26); T0 = _mm_and_si128(T0, MMASK); T3 = _mm_and_si128(T3, MMASK); T1 = _mm_add_epi64(T1, C1); T4 = _mm_add_epi64(T4, C2);
C1 = _mm_srli_epi64(T1, 26); C2 = _mm_srli_epi64(T4, 26); T1 = _mm_and_si128(T1, MMASK); T4 = _mm_and_si128(T4, MMASK); T2 = _mm_add_epi64(T2, C1); T0 = _mm_add_epi64(T0, _mm_mul_epu32(C2, FIVE));
C1 = _mm_srli_epi64(T2, 26); C2 = _mm_srli_epi64(T0, 26); T2 = _mm_and_si128(T2, MMASK); T0 = _mm_and_si128(T0, MMASK); T3 = _mm_add_epi64(T3, C1); T1 = _mm_add_epi64(T1, C2);
C1 = _mm_srli_epi64(T3, 26); T3 = _mm_and_si128(T3, MMASK); T4 = _mm_add_epi64(T4, C1);
/* H = (H*[r^2,r^2] + [Mx,My]) */
H0 = T0;
H1 = T1;
H2 = T2;
H3 = T3;
H4 = T4;
consumed = 32;
}
/* finalize, H *= [r^2,r] */
r0 = ((uint64_t)p->R20.d[3] << 32) | (uint64_t)p->R20.d[1];
r1 = ((uint64_t)p->R21.d[3] << 32) | (uint64_t)p->R21.d[1];
r2 = ((uint64_t)p->R22.d[3] << 32) | (uint64_t)p->R22.d[1];
p->R20.d[2] = (uint32_t)( r0 ) & 0x3ffffff;
p->R21.d[2] = (uint32_t)((r0 >> 26) | (r1 << 18)) & 0x3ffffff;
p->R22.d[2] = (uint32_t)((r1 >> 8) ) & 0x3ffffff;
p->R23.d[2] = (uint32_t)((r1 >> 34) | (r2 << 10)) & 0x3ffffff;
p->R24.d[2] = (uint32_t)((r2 >> 16) ) ;
p->S21.d[2] = p->R21.d[2] * 5;
p->S22.d[2] = p->R22.d[2] * 5;
p->S23.d[2] = p->R23.d[2] * 5;
p->S24.d[2] = p->R24.d[2] * 5;
/* H *= [r^2,r] */
T0 = _mm_mul_epu32(H0, p->R20.v);
T1 = _mm_mul_epu32(H0, p->R21.v);
T2 = _mm_mul_epu32(H0, p->R22.v);
T3 = _mm_mul_epu32(H0, p->R23.v);
T4 = _mm_mul_epu32(H0, p->R24.v);
T5 = _mm_mul_epu32(H1, p->S24.v); T6 = _mm_mul_epu32(H1, p->R20.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H2, p->S23.v); T6 = _mm_mul_epu32(H2, p->S24.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H3, p->S22.v); T6 = _mm_mul_epu32(H3, p->S23.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H4, p->S21.v); T6 = _mm_mul_epu32(H4, p->S22.v); T0 = _mm_add_epi64(T0, T5); T1 = _mm_add_epi64(T1, T6);
T5 = _mm_mul_epu32(H1, p->R21.v); T6 = _mm_mul_epu32(H1, p->R22.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H2, p->R20.v); T6 = _mm_mul_epu32(H2, p->R21.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H3, p->S24.v); T6 = _mm_mul_epu32(H3, p->R20.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H4, p->S23.v); T6 = _mm_mul_epu32(H4, p->S24.v); T2 = _mm_add_epi64(T2, T5); T3 = _mm_add_epi64(T3, T6);
T5 = _mm_mul_epu32(H1, p->R23.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(H2, p->R22.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(H3, p->R21.v); T4 = _mm_add_epi64(T4, T5);
T5 = _mm_mul_epu32(H4, p->R20.v); T4 = _mm_add_epi64(T4, T5);
C1 = _mm_srli_epi64(T0, 26); C2 = _mm_srli_epi64(T3, 26); T0 = _mm_and_si128(T0, MMASK); T3 = _mm_and_si128(T3, MMASK); T1 = _mm_add_epi64(T1, C1); T4 = _mm_add_epi64(T4, C2);
C1 = _mm_srli_epi64(T1, 26); C2 = _mm_srli_epi64(T4, 26); T1 = _mm_and_si128(T1, MMASK); T4 = _mm_and_si128(T4, MMASK); T2 = _mm_add_epi64(T2, C1); T0 = _mm_add_epi64(T0, _mm_mul_epu32(C2, FIVE));
C1 = _mm_srli_epi64(T2, 26); C2 = _mm_srli_epi64(T0, 26); T2 = _mm_and_si128(T2, MMASK); T0 = _mm_and_si128(T0, MMASK); T3 = _mm_add_epi64(T3, C1); T1 = _mm_add_epi64(T1, C2);
C1 = _mm_srli_epi64(T3, 26); T3 = _mm_and_si128(T3, MMASK); T4 = _mm_add_epi64(T4, C1);
/* H = H[0]+H[1] */
H0 = _mm_add_epi64(T0, _mm_srli_si128(T0, 8));
H1 = _mm_add_epi64(T1, _mm_srli_si128(T1, 8));
H2 = _mm_add_epi64(T2, _mm_srli_si128(T2, 8));
H3 = _mm_add_epi64(T3, _mm_srli_si128(T3, 8));
H4 = _mm_add_epi64(T4, _mm_srli_si128(T4, 8));
t0 = _mm_cvtsi128_si32(H0) ; c = (t0 >> 26); t0 &= 0x3ffffff;
t1 = _mm_cvtsi128_si32(H1) + c; c = (t1 >> 26); t1 &= 0x3ffffff;
t2 = _mm_cvtsi128_si32(H2) + c; c = (t2 >> 26); t2 &= 0x3ffffff;
t3 = _mm_cvtsi128_si32(H3) + c; c = (t3 >> 26); t3 &= 0x3ffffff;
t4 = _mm_cvtsi128_si32(H4) + c; c = (t4 >> 26); t4 &= 0x3ffffff;
t0 = t0 + (c * 5); c = (t0 >> 26); t0 &= 0x3ffffff;
t1 = t1 + c;
st->HH[0] = ((t0 ) | (t1 << 26) ) & 0xfffffffffffull;
st->HH[1] = ((t1 >> 18) | (t2 << 8) | (t3 << 34)) & 0xfffffffffffull;
st->HH[2] = ((t3 >> 10) | (t4 << 16) ) & 0x3ffffffffffull;
return consumed;
}
void
CRYPTO_poly1305_update(poly1305_state *state, const unsigned char *m,
size_t bytes)
{
poly1305_state_internal *st = poly1305_aligned_state(state);
size_t want;
/* need at least 32 initial bytes to start the accelerated branch */
if (!st->started)
{
if ((st->leftover == 0) && (bytes > 32))
{
poly1305_first_block(st, m);
m += 32;
bytes -= 32;
}
else
{
want = poly1305_min(32 - st->leftover, bytes);
poly1305_block_copy(st->buffer + st->leftover, m, want);
bytes -= want;
m += want;
st->leftover += want;
if ((st->leftover < 32) || (bytes == 0))
return;
poly1305_first_block(st, st->buffer);
st->leftover = 0;
}
st->started = 1;
}
/* handle leftover */
if (st->leftover)
{
want = poly1305_min(64 - st->leftover, bytes);
poly1305_block_copy(st->buffer + st->leftover, m, want);
bytes -= want;
m += want;
st->leftover += want;
if (st->leftover < 64)
return;
poly1305_blocks(st, st->buffer, 64);
st->leftover = 0;
}
/* process 64 byte blocks */
if (bytes >= 64)
{
want = (bytes & ~63);
poly1305_blocks(st, m, want);
m += want;
bytes -= want;
}
if (bytes)
{
poly1305_block_copy(st->buffer + st->leftover, m, bytes);
st->leftover += bytes;
}
}
void
CRYPTO_poly1305_finish(poly1305_state *state, unsigned char mac[16])
{
poly1305_state_internal *st = poly1305_aligned_state(state);
size_t leftover = st->leftover;
uint8_t *m = st->buffer;
uint128_t d[3];
uint64_t h0,h1,h2;
uint64_t t0,t1;
uint64_t g0,g1,g2,c,nc;
uint64_t r0,r1,r2,s1,s2;
poly1305_power *p;
if (st->started)
{
size_t consumed = poly1305_combine(st, m, leftover);
leftover -= consumed;
m += consumed;
}
/* st->HH will either be 0 or have the combined result */
h0 = st->HH[0];
h1 = st->HH[1];
h2 = st->HH[2];
p = &st->P[1];
r0 = ((uint64_t)p->R20.d[3] << 32) | (uint64_t)p->R20.d[1];
r1 = ((uint64_t)p->R21.d[3] << 32) | (uint64_t)p->R21.d[1];
r2 = ((uint64_t)p->R22.d[3] << 32) | (uint64_t)p->R22.d[1];
s1 = r1 * (5 << 2);
s2 = r2 * (5 << 2);
if (leftover < 16)
goto poly1305_donna_atmost15bytes;
poly1305_donna_atleast16bytes:
t0 = U8TO64_LE(m + 0);
t1 = U8TO64_LE(m + 8);
h0 += t0 & 0xfffffffffff;
t0 = shr128_pair(t1, t0, 44);
h1 += t0 & 0xfffffffffff;
h2 += (t1 >> 24) | ((uint64_t)1 << 40);
poly1305_donna_mul:
d[0] = add128(add128(mul64x64_128(h0, r0), mul64x64_128(h1, s2)), mul64x64_128(h2, s1));
d[1] = add128(add128(mul64x64_128(h0, r1), mul64x64_128(h1, r0)), mul64x64_128(h2, s2));
d[2] = add128(add128(mul64x64_128(h0, r2), mul64x64_128(h1, r1)), mul64x64_128(h2, r0));
h0 = lo128(d[0]) & 0xfffffffffff; c = shr128(d[0], 44);
d[1] = add128_64(d[1], c); h1 = lo128(d[1]) & 0xfffffffffff; c = shr128(d[1], 44);
d[2] = add128_64(d[2], c); h2 = lo128(d[2]) & 0x3ffffffffff; c = shr128(d[2], 42);
h0 += c * 5;
m += 16;
leftover -= 16;
if (leftover >= 16) goto poly1305_donna_atleast16bytes;
/* final bytes */
poly1305_donna_atmost15bytes:
if (!leftover) goto poly1305_donna_finish;
m[leftover++] = 1;
poly1305_block_zero(m + leftover, 16 - leftover);
leftover = 16;
t0 = U8TO64_LE(m+0);
t1 = U8TO64_LE(m+8);
h0 += t0 & 0xfffffffffff; t0 = shr128_pair(t1, t0, 44);
h1 += t0 & 0xfffffffffff;
h2 += (t1 >> 24);
goto poly1305_donna_mul;
poly1305_donna_finish:
c = (h0 >> 44); h0 &= 0xfffffffffff;
h1 += c; c = (h1 >> 44); h1 &= 0xfffffffffff;
h2 += c; c = (h2 >> 42); h2 &= 0x3ffffffffff;
h0 += c * 5;
g0 = h0 + 5; c = (g0 >> 44); g0 &= 0xfffffffffff;
g1 = h1 + c; c = (g1 >> 44); g1 &= 0xfffffffffff;
g2 = h2 + c - ((uint64_t)1 << 42);
c = (g2 >> 63) - 1;
nc = ~c;
h0 = (h0 & nc) | (g0 & c);
h1 = (h1 & nc) | (g1 & c);
h2 = (h2 & nc) | (g2 & c);
/* pad */
t0 = ((uint64_t)p->R23.d[3] << 32) | (uint64_t)p->R23.d[1];
t1 = ((uint64_t)p->R24.d[3] << 32) | (uint64_t)p->R24.d[1];
h0 += (t0 & 0xfffffffffff) ; c = (h0 >> 44); h0 &= 0xfffffffffff; t0 = shr128_pair(t1, t0, 44);
h1 += (t0 & 0xfffffffffff) + c; c = (h1 >> 44); h1 &= 0xfffffffffff; t1 = (t1 >> 24);
h2 += (t1 ) + c;
U64TO8_LE(mac + 0, ((h0 ) | (h1 << 44)));
U64TO8_LE(mac + 8, ((h1 >> 20) | (h2 << 24)));
}
#endif /* !OPENSSL_NO_POLY1305 */

169
crypto/poly1305/poly1305test.c Normal file
View file

@ -0,0 +1,169 @@
/* ====================================================================
* Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#ifndef OPENSSL_NO_POLY1305
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <openssl/poly1305.h>
struct poly1305_test
{
const char *inputhex;
const char *keyhex;
const char *outhex;
};
static const struct poly1305_test poly1305_tests[] = {
{
"",
"c8afaac331ee372cd6082de134943b174710130e9f6fea8d72293850a667d86c",
"4710130e9f6fea8d72293850a667d86c",
},
{
"48656c6c6f20776f726c6421",
"746869732069732033322d62797465206b657920666f7220506f6c7931333035",
"a6f745008f81c916a20dcc74eef2b2f0",
},
{
"0000000000000000000000000000000000000000000000000000000000000000",
"746869732069732033322d62797465206b657920666f7220506f6c7931333035",
"49ec78090e481ec6c26b33b91ccc0307",
},
};
static unsigned char hex_digit(char h)
{
if (h >= '0' && h <= '9')
return h - '0';
else if (h >= 'a' && h <= 'f')
return h - 'a' + 10;
else if (h >= 'A' && h <= 'F')
return h - 'A' + 10;
else
abort();
}
static void hex_decode(unsigned char *out, const char* hex)
{
size_t j = 0;
while (*hex != 0)
{
unsigned char v = hex_digit(*hex++);
v <<= 4;
v |= hex_digit(*hex++);
out[j++] = v;
}
}
static void hexdump(unsigned char *a, size_t len)
{
size_t i;
for (i = 0; i < len; i++)
printf("%02x", a[i]);
}
int main()
{
static const unsigned num_tests =
sizeof(poly1305_tests) / sizeof(struct poly1305_test);
unsigned i;
unsigned char key[32], out[16], expected[16];
poly1305_state poly1305;
for (i = 0; i < num_tests; i++)
{
const struct poly1305_test *test = &poly1305_tests[i];
unsigned char *in;
size_t inlen = strlen(test->inputhex);
if (strlen(test->keyhex) != sizeof(key)*2 ||
strlen(test->outhex) != sizeof(out)*2 ||
(inlen & 1) == 1)
return 1;
inlen /= 2;
hex_decode(key, test->keyhex);
hex_decode(expected, test->outhex);
in = malloc(inlen);
hex_decode(in, test->inputhex);
CRYPTO_poly1305_init(&poly1305, key);
CRYPTO_poly1305_update(&poly1305, in, inlen);
CRYPTO_poly1305_finish(&poly1305, out);
if (memcmp(out, expected, sizeof(expected)) != 0)
{
printf("Poly1305 test #%d failed.\n", i);
printf("got: ");
hexdump(out, sizeof(out));
printf("\nexpected: ");
hexdump(expected, sizeof(expected));
printf("\n");
return 1;
}
free(in);
}
printf("PASS\n");
return 0;
}
#else /* OPENSSL_NO_POLY1305 */
int main() { return 0; }
#endif

107
ssl/s3_lib.c
View file

@ -1837,7 +1837,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -1854,7 +1855,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -1871,7 +1873,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -1888,7 +1891,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -1905,7 +1909,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -1922,7 +1927,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -1939,7 +1945,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -1956,7 +1963,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -1973,7 +1981,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -1990,7 +1999,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -2007,7 +2017,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -2024,7 +2035,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -2738,7 +2750,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -2755,7 +2768,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -2772,7 +2786,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -2789,7 +2804,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -2806,7 +2822,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -2823,7 +2840,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -2840,7 +2858,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
128,
128,
},
@ -2857,7 +2876,8 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|SSL_CIPHER_ALGORITHM2_AEAD|
FIXED_NONCE_LEN(4),
FIXED_NONCE_LEN(4)|
SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
256,
256,
},
@ -2925,6 +2945,53 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
},
#endif
#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
{
1,
TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305,
TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305,
SSL_kEECDH,
SSL_aRSA,
SSL_CHACHA20POLY1305,
SSL_AEAD,
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|FIXED_NONCE_LEN(0),
256,
0,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305,
SSL_kEECDH,
SSL_aECDSA,
SSL_CHACHA20POLY1305,
SSL_AEAD,
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|FIXED_NONCE_LEN(0),
256,
0,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305,
TLS1_CK_DHE_RSA_CHACHA20_POLY1305,
SSL_kEDH,
SSL_aRSA,
SSL_CHACHA20POLY1305,
SSL_AEAD,
SSL_TLSV1_2,
SSL_NOT_EXP|SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|SSL_CIPHER_ALGORITHM2_AEAD|FIXED_NONCE_LEN(0),
256,
0,
},
#endif
/* end of list */
};

5
ssl/s3_pkt.c
View file

@ -775,8 +775,11 @@ static int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
else
eivlen = 0;
}
else if (s->aead_write_ctx != NULL)
else if (s->aead_write_ctx != NULL &&
s->aead_write_ctx->variable_nonce_included_in_record)
{
eivlen = s->aead_write_ctx->variable_nonce_len;
}
else
eivlen = 0;

1
ssl/ssl.h
View file

@ -291,6 +291,7 @@ extern "C" {
#define SSL_TXT_CAMELLIA128 "CAMELLIA128"
#define SSL_TXT_CAMELLIA256 "CAMELLIA256"
#define SSL_TXT_CAMELLIA "CAMELLIA"
#define SSL_TXT_CHACHA20 "CHACHA20"
#define SSL_TXT_MD5 "MD5"
#define SSL_TXT_SHA1 "SHA1"

9
ssl/ssl_ciph.c
View file

@ -298,6 +298,7 @@ static const SSL_CIPHER cipher_aliases[]={
{0,SSL_TXT_CAMELLIA128,0,0,0,SSL_CAMELLIA128,0,0,0,0,0,0},
{0,SSL_TXT_CAMELLIA256,0,0,0,SSL_CAMELLIA256,0,0,0,0,0,0},
{0,SSL_TXT_CAMELLIA ,0,0,0,SSL_CAMELLIA128|SSL_CAMELLIA256,0,0,0,0,0,0},
{0,SSL_TXT_CHACHA20 ,0,0,0,SSL_CHACHA20POLY1305,0,0,0,0,0,0},
/* MAC aliases */
{0,SSL_TXT_MD5,0, 0,0,0,SSL_MD5, 0,0,0,0,0},
@ -531,6 +532,11 @@ int ssl_cipher_get_evp_aead(const SSL_SESSION *s, const EVP_AEAD **aead)
case SSL_AES256GCM:
*aead = EVP_aead_aes_256_gcm();
return 1;
#endif
#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
case SSL_CHACHA20POLY1305:
*aead = EVP_aead_chacha20_poly1305();
return 1;
#endif
}
@ -1781,6 +1787,9 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len)
case SSL_SEED:
enc="SEED(128)";
break;
case SSL_CHACHA20POLY1305:
enc="ChaCha20-Poly1305";
break;
default:
enc="unknown";
break;

10
ssl/ssl_locl.h
View file

@ -328,6 +328,7 @@
#define SSL_SEED 0x00000800L
#define SSL_AES128GCM 0x00001000L
#define SSL_AES256GCM 0x00002000L
#define SSL_CHACHA20POLY1305 0x00004000L
#define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
#define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
@ -388,6 +389,12 @@
#define SSL_CIPHER_AEAD_FIXED_NONCE_LEN(ssl_cipher) \
(((ssl_cipher->algorithm2 >> 24) & 0xf)*2)
/* SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD is a flag in
* SSL_CIPHER.algorithm2 which indicates that the variable part of the nonce is
* included as a prefix of the record. (AES-GCM, for example, does with with an
* 8-byte variable nonce.) */
#define SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD (1<<22)
/*
* Export and cipher strength information. For each cipher we have to decide
* whether it is exportable or not. This information is likely to change
@ -756,6 +763,9 @@ struct ssl_aead_ctx_st
* records. */
unsigned char fixed_nonce[8];
unsigned char fixed_nonce_len, variable_nonce_len, tag_len;
/* variable_nonce_included_in_record is non-zero if the variable nonce
* for a record is included as a prefix before the ciphertext. */
char variable_nonce_included_in_record;
};
#ifndef OPENSSL_NO_COMP

30
ssl/t1_enc.c
View file

@ -366,6 +366,8 @@ static int tls1_change_cipher_state_aead(SSL *s, char is_read,
memcpy(aead_ctx->fixed_nonce, iv, iv_len);
aead_ctx->fixed_nonce_len = iv_len;
aead_ctx->variable_nonce_len = 8; /* always the case, currently. */
aead_ctx->variable_nonce_included_in_record =
(s->s3->tmp.new_cipher->algorithm2 & SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD) != 0;
if (aead_ctx->variable_nonce_len + aead_ctx->fixed_nonce_len != EVP_AEAD_nonce_length(aead))
{
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE_AEAD, ERR_R_INTERNAL_ERROR);
@ -887,6 +889,7 @@ int tls1_enc(SSL *s, int send)
if (send)
{
size_t len = rec->length;
size_t eivlen = 0;
in = rec->input;
out = rec->data;
@ -902,18 +905,22 @@ int tls1_enc(SSL *s, int send)
* variable nonce. Thus we can copy the sequence number
* bytes into place without overwriting any of the
* plaintext. */
memcpy(out, ad, aead->variable_nonce_len);
len -= aead->variable_nonce_len;
if (aead->variable_nonce_included_in_record)
{
memcpy(out, ad, aead->variable_nonce_len);
len -= aead->variable_nonce_len;
eivlen = aead->variable_nonce_len;
}
ad[11] = len >> 8;
ad[12] = len & 0xff;
n = EVP_AEAD_CTX_seal(&aead->ctx,
out + aead->variable_nonce_len, len + aead->tag_len,
out + eivlen, len + aead->tag_len,
nonce, nonce_used,
in + aead->variable_nonce_len, len,
in + eivlen, len,
ad, sizeof(ad));
if (n >= 0)
if (n >= 0 && aead->variable_nonce_included_in_record)
n += aead->variable_nonce_len;
}
else
@ -927,12 +934,17 @@ int tls1_enc(SSL *s, int send)
if (len < aead->variable_nonce_len)
return 0;
memcpy(nonce + nonce_used, in, aead->variable_nonce_len);
memcpy(nonce + nonce_used,
aead->variable_nonce_included_in_record ? in : ad,
aead->variable_nonce_len);
nonce_used += aead->variable_nonce_len;
in += aead->variable_nonce_len;
len -= aead->variable_nonce_len;
out += aead->variable_nonce_len;
if (aead->variable_nonce_included_in_record)
{
in += aead->variable_nonce_len;
len -= aead->variable_nonce_len;
out += aead->variable_nonce_len;
}
if (len < aead->tag_len)
return 0;

8
ssl/tls1.h
View file

@ -562,6 +562,10 @@ SSL_CTX_ctrl(ctx, SSL_CTRL_SET_TLSEXT_AUTHZ_SERVER_AUDIT_PROOF_CB_ARG, 0, arg);
#define TLS1_CK_ECDH_RSA_WITH_AES_128_GCM_SHA256 0x0300C031
#define TLS1_CK_ECDH_RSA_WITH_AES_256_GCM_SHA384 0x0300C032
#define TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305 0x0300CC13
#define TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305 0x0300CC14
#define TLS1_CK_DHE_RSA_CHACHA20_POLY1305 0x0300CC15
/* XXX
* Inconsistency alert:
* The OpenSSL names of ciphers with ephemeral DH here include the string
@ -713,6 +717,10 @@ SSL_CTX_ctrl(ctx, SSL_CTRL_SET_TLSEXT_AUTHZ_SERVER_AUDIT_PROOF_CB_ARG, 0, arg);
#define TLS1_TXT_ECDH_RSA_WITH_AES_128_GCM_SHA256 "ECDH-RSA-AES128-GCM-SHA256"
#define TLS1_TXT_ECDH_RSA_WITH_AES_256_GCM_SHA384 "ECDH-RSA-AES256-GCM-SHA384"
#define TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305 "ECDHE-RSA-CHACHA20-POLY1305"
#define TLS1_TXT_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 "ECDHE-ECDSA-CHACHA20-POLY1305"
#define TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305 "DHE-RSA-CHACHA20-POLY1305"
#define TLS_CT_RSA_SIGN 1
#define TLS_CT_DSS_SIGN 2
#define TLS_CT_RSA_FIXED_DH 3

25
test/Makefile
View file

@ -65,6 +65,8 @@ JPAKETEST= jpaketest
SRPTEST= srptest
V3NAMETEST= v3nametest
ASN1TEST= asn1test
CHACHATEST= chachatest
POLY1305TEST= poly1305test
TESTS= alltests
@ -88,7 +90,9 @@ OBJ= $(BNTEST).o $(ECTEST).o $(ECDSATEST).o $(ECDHTEST).o $(IDEATEST).o \
$(MDC2TEST).o $(RMDTEST).o \
$(RANDTEST).o $(DHTEST).o $(ENGINETEST).o $(CASTTEST).o \
$(BFTEST).o $(SSLTEST).o $(DSATEST).o $(EXPTEST).o $(RSATEST).o \
$(EVPTEST).o $(IGETEST).o $(JPAKETEST).o $(ASN1TEST).o $(V3NAMETEST).o
$(EVPTEST).o $(IGETEST).o $(JPAKETEST).o $(ASN1TEST).o $(V3NAMETEST).o \
$(CHACHATEST).o $(POLY1305TEST).o
SRC= $(BNTEST).c $(ECTEST).c $(ECDSATEST).c $(ECDHTEST).c $(IDEATEST).c \
$(MD2TEST).c $(MD4TEST).c $(MD5TEST).c \
$(HMACTEST).c $(WPTEST).c \
@ -97,7 +101,7 @@ SRC= $(BNTEST).c $(ECTEST).c $(ECDSATEST).c $(ECDHTEST).c $(IDEATEST).c \
$(RANDTEST).c $(DHTEST).c $(ENGINETEST).c $(CASTTEST).c \
$(BFTEST).c $(SSLTEST).c $(DSATEST).c $(EXPTEST).c $(RSATEST).c \
$(EVPTEST).c $(IGETEST).c $(JPAKETEST).c $(SRPTEST).c $(ASN1TEST).c \
$(V3NAMETEST).c
$(V3NAMETEST).c $(CHACHATEST).c $(POLY1305TEST).c
EXHEADER=
HEADER= $(EXHEADER)
@ -140,7 +144,8 @@ alltests: \
test_enc test_x509 test_rsa test_crl test_sid \
test_gen test_req test_pkcs7 test_verify test_dh test_dsa \
test_ss test_ca test_engine test_evp test_ssl test_tsa test_ige \
test_jpake test_srp test_cms test_ocsp test_v3name
test_jpake test_srp test_cms test_ocsp test_v3name test_chacha \
test_poly1305
test_evp: $(EVPTEST) evptests.txt
../util/shlib_wrap.sh ./$(EVPTEST) evptests.txt
@ -331,6 +336,14 @@ test_v3name: $(V3NAMETEST)$(EXE_EXT)
@echo "Test X509v3_check_*"
../util/shlib_wrap.sh ./$(V3NAMETEST)
test_chacha: $(CHACHATEST)$(EXE_EXT)
@echo "Test ChaCha20"
../util/shlib_wrap.sh ./$(CHACHATEST)
test_poly1305: $(POLY1305TEST)$(EXE_EXT)
@echo "Test Poly1305"
../util/shlib_wrap.sh ./$(POLY1305TEST)
lint:
lint -DLINT $(INCLUDES) $(SRC)>fluff
@ -407,6 +420,12 @@ $(SHA256TEST)$(EXE_EXT): $(SHA256TEST).o $(DLIBCRYPTO)
$(SHA512TEST)$(EXE_EXT): $(SHA512TEST).o $(DLIBCRYPTO)
@target=$(SHA512TEST); $(BUILD_CMD)
$(CHACHATEST)$(EXE_EXT): $(CHACHATEST).o $(DLIBCRYPTO)
@target=$(CHACHATEST); $(BUILD_CMD)
$(POLY1305TEST)$(EXE_EXT): $(POLY1305TEST).o $(DLIBCRYPTO)
@target=$(POLY1305TEST); $(BUILD_CMD)
$(RMDTEST)$(EXE_EXT): $(RMDTEST).o $(DLIBCRYPTO)
@target=$(RMDTEST); $(BUILD_CMD)