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openssl/crypto
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Pauli 97b0b713fb RSA security bits calculation 
NIST has updated their guidelines in appendix D of SP 800-56B rev2 (draft)
providing a formula for the number of security bits it terms of the length
of the RSA key.

This is an implementation of this formula using fixed point arithmetic.
For integers 1 .. 100,000 it rounds down to the next smaller 8 bit strength
270 times.  It never errs to the high side.  None of the rounded values occur
near any of the commonly selected lengths.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7352)
2018-10-23 08:01:48 +10:00
..
aes Update copyright year 2018-09-11 13:45:17 +01:00
aria
asn1 ASN.1 DER: Make INT32 / INT64 types read badly encoded LONG zeroes 2018-09-09 03:39:37 +02:00
async arch/async_posix.h: improve portability. 2018-10-19 10:29:21 +02:00
bf Harmonize the make variables across all known platforms families 2018-02-14 17:13:53 +01:00
bio Fix the BIO callback return code handling 2018-10-04 14:16:16 +01:00
blake2
bn crypto/bn/asm/x86_64-gcc.c: remove unnecessary redefinition of BN_ULONG 2018-09-21 11:15:25 +02:00
buffer Update copyright year 2018-04-03 13:57:12 +01:00
camellia Update copyright year 2018-09-11 13:45:17 +01:00
cast Harmonize the make variables across all known platforms families 2018-02-14 17:13:53 +01:00
chacha chacha/asm/chacha-x86_64.pl: add dedicated path for 128-byte inputs. 2018-07-03 19:02:02 +02:00
cmac Update copyright year 2018-04-17 15:18:40 +02:00
cms Update copyright year 2018-09-11 13:45:17 +01:00
comp Fix last(?) batch of malloc-NULL places 2018-04-26 14:02:24 -04:00
conf Use secure_getenv(3) when available. 2018-09-24 11:21:18 +10:00
ct Use secure_getenv(3) when available. 2018-09-24 11:21:18 +10:00
des Update copyright year 2018-04-03 13:57:12 +01:00
dh Harmonize the error handling codepath 2018-09-05 15:22:35 +03:00
dsa Update copyright year 2018-09-11 13:45:17 +01:00
dso Extend dladdr() for AIX, consequence from changes for openssl#6368. 2018-08-22 21:50:33 +02:00
ec Deprecate ECDH_KDF_X9_62() 2018-10-17 13:22:14 +03:00
engine /dev/crypto engine: give CIOCFSESSION the actual sess-id 2018-10-05 21:54:49 +02:00
err DRBG: fix reseeding via RAND_add()/RAND_seed() with large input 2018-10-16 22:15:43 +02:00
evp Fix some Coverity warnings 2018-10-02 10:52:57 +01:00
hmac Fix HMAC SHA3-224 and HMAC SHA3-256. 2018-09-04 08:09:12 +10:00
idea
include/internal EVP module documentation pass 2018-10-17 13:22:14 +03:00
kdf hkdf zeroization fix 2018-09-05 05:21:46 +10:00
lhash Update copyright year 2018-09-11 13:45:17 +01:00
md2
md4
md5 Harmonize the make variables across all known platforms families 2018-02-14 17:13:53 +01:00
mdc2
modes Update copyright year 2018-09-11 13:45:17 +01:00
objects Make OBJ_NAME case insensitive. 2018-09-04 07:35:45 +10:00
ocsp Update copyright year 2018-09-11 13:45:17 +01:00
pem key zeroisation for pvkfmt now done on all branch paths 2018-09-05 05:14:02 +10:00
perlasm Update copyright year 2018-09-11 13:45:17 +01:00
pkcs7 Update copyright year 2018-09-11 13:45:17 +01:00
pkcs12 Use secure_getenv(3) when available. 2018-09-24 11:21:18 +10:00
poly1305 Fix a nit of copyright date range 2018-10-09 13:02:37 +08:00
rand RAND_add(): fix heap corruption in error path 2018-10-22 14:54:55 +02:00
rc2
rc4 Update copyright year 2018-09-11 13:45:17 +01:00
rc5 Harmonize the make variables across all known platforms families 2018-02-14 17:13:53 +01:00
ripemd Harmonize the make variables across all known platforms families 2018-02-14 17:13:53 +01:00
rsa RSA security bits calculation 2018-10-23 08:01:48 +10:00
seed Update copyright year 2018-09-11 13:45:17 +01:00
sha sha/asm/keccak1600-armv8.pl: halve the size of hw-assisted subroutine. 2018-10-19 10:43:02 +02:00
siphash Update copyright year 2018-09-11 13:45:17 +01:00
sm2 EVP module documentation pass 2018-10-17 13:22:14 +03:00
sm3
sm4
srp Make ck_errf.pl ignore commented out error generation 2018-06-12 12:31:45 +02:00
stack Revert "stack/stack.c: omit redundant NULL checks." 2018-08-09 14:37:10 +01:00
store crypto/*: address standard-compilance nits. 2018-07-20 13:40:30 +02:00
ts Check conversion return in ASN1_INTEGER_print_bio. 2018-07-31 11:37:05 +10:00
txt_db Update copyright year 2018-04-03 13:57:12 +01:00
ui crypto/ui/ui_openssl.c: make sure to recognise ENXIO and EIO too 2018-09-20 06:39:07 +02:00
whrlpool Harmonize the make variables across all known platforms families 2018-02-14 17:13:53 +01:00
x509 Apply self-imposed path length also to root CAs 2018-10-18 00:07:56 -04:00
x509v3 Update copyright year 2018-09-11 13:45:17 +01:00
alphacpuid.pl
arm64cpuid.pl {arm64|x86_64}cpuid.pl: add special 16-byte case to OPENSSL_memcmp. 2018-06-03 21:15:18 +02:00
arm_arch.h Fix building linux-armv4 with --strict-warnings 2018-04-20 15:49:33 +02:00
armcap.c crypto/armcap.c: mask SHA512 hardware detection on iOS. 2018-03-06 23:18:24 +01:00
armv4cpuid.pl Update copyright year 2018-05-01 13:34:30 +01:00
build.info Use secure_getenv(3) when available. 2018-09-24 11:21:18 +10:00
c64xpluscpuid.pl
cpt_err.c Fix last(?) batch of malloc-NULL places 2018-04-26 14:02:24 -04:00
cryptlib.c minor fixes for Windows 2018-09-12 09:16:07 +02:00
ctype.c
cversion.c
dllmain.c Update copyright year 2018-09-11 13:45:17 +01:00
ebcdic.c
ex_data.c Ensure the thread keys are always allocated in the same order 2018-04-20 15:45:06 +02:00
getenv.c Use secure_getenv(3) when available. 2018-09-24 11:21:18 +10:00
ia64cpuid.S
init.c crypto/init.c: improve destructor_key's portability. 2018-08-22 21:46:01 +02:00
LPdir_nyi.c
LPdir_unix.c typo-fixes: miscellaneous typo fixes 2018-09-21 23:55:22 +02:00
LPdir_vms.c
LPdir_win.c
LPdir_win32.c
LPdir_wince.c
mem.c crypto/mem.c: switch to tsan_assist.h in CRYPTO_MDEBUG. 2018-08-07 09:08:50 +02:00
mem_clr.c
mem_dbg.c Update copyright year 2018-02-13 13:59:25 +00:00
mem_sec.c test/secmemtest: test secure memory only if it is implemented 2018-10-05 12:19:48 +02:00
mips_arch.h
o_dir.c
o_fips.c
o_fopen.c Add missing include file. 2018-09-17 10:40:32 +10:00
o_init.c
o_str.c
o_time.c Update copyright year 2018-04-03 13:57:12 +01:00
pariscid.pl PA-RISC assembly pack: make it work with GNU assembler for HP-UX. 2018-06-25 16:45:48 +02:00
ppc_arch.h
ppccap.c crypto/ppccap.c: wire new ChaCha20_ctr32_vsx. 2018-06-06 22:14:15 +02:00
ppccpuid.pl
s390x_arch.h s390x assembly pack: add OPENSSL_s390xcap environment variable. 2018-10-17 14:02:34 +02:00
s390xcap.c s390x assembly pack: add OPENSSL_s390xcap environment variable. 2018-10-17 14:02:34 +02:00
s390xcpuid.pl s390x assembly pack: add OPENSSL_s390xcap environment variable. 2018-10-17 14:02:34 +02:00
sparc_arch.h
sparccpuid.S
sparcv9cap.c
threads_none.c crypto/threads_*: remove CRYPTO_atomic_{read|write}. 2018-08-17 12:40:39 +02:00
threads_pthread.c crypto/threads_*: remove CRYPTO_atomic_{read|write}. 2018-08-17 12:40:39 +02:00
threads_win.c crypto/threads_*: remove CRYPTO_atomic_{read|write}. 2018-08-17 12:40:39 +02:00
uid.c Update copyright year 2018-09-11 13:45:17 +01:00
vms_rms.h
x86_64cpuid.pl {arm64|x86_64}cpuid.pl: add special 16-byte case to OPENSSL_memcmp. 2018-06-03 21:15:18 +02:00
x86cpuid.pl Fix issues in ia32 RDRAND asm leading to reduced entropy 2018-03-08 10:27:49 -05:00