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Configurations: engage PPC ChaCha20 and Poly1305 modules.

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Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Andy Polyakov 2016-02-10 11:52:22 +01:00
parent 9e58d1192d
commit b3214008e4
2 changed files with 41 additions and 0 deletions
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2
Configurations/00-base-templates.conf
View file

@ -190,6 +190,8 @@
aes_asm_src => "aes_core.c aes_cbc.c aes-ppc.s vpaes-ppc.s aesp8-ppc.s",
sha1_asm_src => "sha1-ppc.s sha256-ppc.s sha512-ppc.s sha256p8-ppc.s sha512p8-ppc.s",
modes_asm_src => "ghashp8-ppc.s",
chacha_asm_src => "chacha-ppc.s",
poly1305_asm_src=> "poly1305-ppc.s poly1305-ppcfp.s",
},
ppc32_asm => {
inherit_from => [ "ppc64_asm" ],

39
crypto/ppccap.c
View file

@ -79,6 +79,45 @@ void sha512_block_data_order(void *ctx, const void *inp, size_t len)
sha512_block_ppc(ctx, inp, len);
}
void ChaCha20_ctr32_int(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4]);
void ChaCha20_ctr32_vmx(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4]);
void ChaCha20_ctr32(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4])
{
OPENSSL_ppccap_P & PPC_ALTIVEC
? ChaCha20_ctr32_vmx(out, inp, len, key, counter)
: ChaCha20_ctr32_int(out, inp, len, key, counter);
}
void poly1305_init_int(void *ctx, const unsigned char key[16]);
void poly1305_blocks(void *ctx, const unsigned char *inp, size_t len,
unsigned int padbit);
void poly1305_emit(void *ctx, unsigned char mac[16],
const unsigned int nonce[4]);
void poly1305_init_fpu(void *ctx, const unsigned char key[16]);
void poly1305_blocks_fpu(void *ctx, const unsigned char *inp, size_t len,
unsigned int padbit);
void poly1305_emit_fpu(void *ctx, unsigned char mac[16],
const unsigned int nonce[4]);
int poly1305_init(void *ctx, const unsigned char key[16], void *func[2])
{
if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {
poly1305_init_fpu(ctx,key);
func[0] = poly1305_blocks_fpu;
func[1] = poly1305_emit_fpu;
} else {
poly1305_init_int(ctx,key);
func[0] = poly1305_blocks;
func[1] = poly1305_emit;
}
return 1;
}
static sigjmp_buf ill_jmp;
static void ill_handler(int sig)
{