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137 commits

Author SHA1 Message Date
Andy Polyakov
2d22e08083 ARM assembler pack: reschedule instructions for dual-issue pipeline. 
Modest improvement coefficients mean that code already had some
parallelism and there was not very much room for improvement. Special
thanks to Ted Krovetz for benchmarking the code with such patience.
 2010-07-13 14:03:31 +00:00
Andy Polyakov
6acb4ff389 gcm128.c: API modification and readability improvements, 
add ghash benchmark to apps/speed.c.
 2010-07-09 14:10:51 +00:00
Andy Polyakov
396df7311e crypto/*/Makefile: unify "catch-all" assembler make rules and harmonize 
ARM assembler modules.
 2010-07-08 15:03:42 +00:00
Andy Polyakov
acbcc271b1 ghash-armv4.pl: excuse myself from implementing "528B" flavour. 2010-07-02 08:14:12 +00:00
Andy Polyakov
b28750877c ghash-sparcv9.pl: fix Makefile rule and add performance data for T1. 2010-07-02 08:09:30 +00:00
Andy Polyakov
c32fcca6f4 SPARCv9 assembler pack: refine CPU detection on Linux, fix for "unaligned 
opcodes detected in executable segment" error.
 2010-07-01 07:34:56 +00:00
Andy Polyakov
d364506a24 ghash-x86_64.pl: "528B" variant delivers further >30% improvement. 2010-06-09 15:05:59 +00:00
Andy Polyakov
04e2b793d6 ghash-x86.pl: commentary updates. 2010-06-09 15:05:14 +00:00
Andy Polyakov
8525950e7e ghash-x86.pl: "528B" variant of gcm_ghash_4bit_mmx gives 20-40% 
improvement.
 2010-06-04 13:21:01 +00:00
Andy Polyakov
e747f4d418 gcm128.c: P.-M. Hager has tipped about possibility to fold reductions 
in gcm_ghash_4bit. Taking the idea a step further I've added extra
256+16 bytes of per-key storage, so that one can speak about 3rd variant
in addition to "256B" and "4KB": "528B" one. Commonly it should be
~50% faster than "256B" implementation or ~25% slower than "4KB" one.
 2010-05-26 21:36:36 +00:00
Andy Polyakov
07e29c1234 ghash-x86.pl: MMX optimization (+20-40%) and commentary update. 2010-05-23 12:37:01 +00:00
Andy Polyakov
fb2d5a91e9 gcm128.c: commentary update. 2010-05-23 12:35:41 +00:00
Andy Polyakov
1aa8a6297c ghash-x86[_64].pl: add due credit. 2010-05-13 17:21:52 +00:00
Andy Polyakov
c1f092d14e GCM "jumbo" update: 
- gcm128.c: support for Intel PCLMULQDQ, readability improvements;
- asm/ghash-x86.pl: splitted vanilla, MMX, PCLMULQDQ subroutines;
- asm/ghash-x86_64.pl: add PCLMULQDQ implementations.
 2010-05-13 15:32:43 +00:00
Andy Polyakov
f472ec8c2f "Jumbo" update for crypto/modes: 
- introduce common modes_lcl.h;
- ctr128.c: implement additional CRYPTO_ctr128_encrypt_ctr32 interface;
- gcm128.c: add omitted ARM initialization, remove ctx.ctr;
 2010-05-04 19:23:02 +00:00
Andy Polyakov
8a682556b4 Add ghash-armv4.pl. 2010-05-03 18:23:29 +00:00
Ben Laurie
19f7e5e24a Missing declarations, no assembler in PEDANTIC. 2010-05-01 14:41:25 +00:00
Andy Polyakov
5e19ee96f6 Add ghash-parisc.pl. 2010-04-28 18:51:45 +00:00
Andy Polyakov
8a1c92ce49 Take gcm128.c and ghash assembler modules into the build loop. 2010-04-22 21:36:26 +00:00
Andy Polyakov
4f39edbff1 gcm128.c and assembler modules: change argument order for gcm_ghash_4bit. 
ghash-x86*.pl: fix performance numbers for Core2, as it turned out
previous ones were "tainted" by variable clock frequency.
 2010-04-14 19:04:51 +00:00
Andy Polyakov
6a1823b371 [co]fb128.c: fix "n=0" bug. 2010-04-14 07:47:28 +00:00
Andy Polyakov
a595baff9f gcm128.c: commentary and formatting updates. 2010-04-10 14:02:26 +00:00
Andy Polyakov
67a315b60b cts128.c: add support for NIST "Ciphertext Stealing" proposal. 2010-04-10 14:01:02 +00:00
Andy Polyakov
f62df694ad ctr129.c: fix typo, simplify ctr128_inc and fix "n=0" bug. 2010-04-10 13:46:53 +00:00
Andy Polyakov
42feba4797 Add ghash-alpha.pl assembler module. 2010-04-10 13:44:20 +00:00
Andy Polyakov
c3473126b1 GHASH assembler: new ghash-sparcv9.pl module and saner descriptions. 2010-03-22 17:24:18 +00:00
Andy Polyakov
480cd6ab6e ghash-ia64.pl: new file, GHASH for Itanium. 
ghash-x86_64.pl: minimize stack frame usage.
ghash-x86.pl: modulo-scheduling MMX loop in respect to input vector
results in up to 10% performance improvement.
 2010-03-15 19:07:52 +00:00
Andy Polyakov
f093794e55 Add GHASH x86_64 assembler. 2010-03-11 16:19:46 +00:00
Andy Polyakov
e3a510f8a6 Add GHASH x86 assembler. 2010-03-09 23:03:33 +00:00
Andy Polyakov
2262beef2e gcm128.c: add option for streamed GHASH, simple benchmark, minor naming 
change.
 2010-03-08 22:44:37 +00:00
Andy Polyakov
e7f5b1cd42 Initial version of Galois Counter Mode implementation. Interface is still 
subject to change...
 2010-03-02 16:33:25 +00:00
Dr. Stephen Henson
918a5d04e4 PR: 2164 
Submitted by: "Noszticzius, Istvan" <inoszticzius@rightnow.com>

Don't clear the output buffer: ciphers should correctly the same input
and output buffers.
 2010-02-15 19:00:12 +00:00
Andy Polyakov
5cabcf96e7 Fix "possible loss of data" Win64 compiler warnings. 2008-12-29 12:35:49 +00:00
Dr. Stephen Henson
2d1cbc85c8 Add standard .cvsignore file. 2008-12-29 00:27:06 +00:00
Andy Polyakov
fe150ac25d Add modes/cts128.c, Ciphertext Stealing implementation. 2008-12-27 13:40:45 +00:00
Andy Polyakov
63fc7f848d crypto/modes: make modes.h selfsufficient and rename block_f to block128_t. 2008-12-23 11:18:45 +00:00
Andy Polyakov
85b2c0ce7f 128-bit block cipher modes consolidation. As consolidated functions 
rely on indirect call to block functions, they are not as fast as
non-consolidated routines. However, performance loss(*) is within
measurement error and consolidation advantages are considered to
outweigh it.

(*) actually one can observe performance *improvement* on e.g.
    CBC benchmarks thanks to optimization, which also becomes
    shared among ciphers.
 2008-12-16 08:39:21 +00:00