Rich Salz
6aa36e8e5a
Add OpenSSL copyright to .pl files
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Reviewed-by: Richard Levitte <levitte@openssl.org>
2016-05-21 08:23:39 -04:00
Emilia Kasper
0a86f66821
On Windows, page walking is known as __chkstk.
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Reviewed-by: Andy Polyakov <appro@openssl.org>
2016-03-15 23:56:23 +01:00
Emilia Kasper
1bf80d9302
Explain *cough*-dows
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Reviewed-by: Andy Polyakov <appro@openssl.org>
2016-03-15 23:56:17 +01:00
Richard Levitte
6bd7a4d96c
Unified - adapt the generation of bignum assembler to use GENERATE
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This gets rid of the BEGINRAW..ENDRAW sections in crypto/bn/build.info.
This also moves the assembler generating perl scripts to take the
output file name as last command line argument, where necessary.
Reviewed-by: Rich Salz <rsalz@openssl.org>
2016-03-07 18:25:56 +01:00
Andy Polyakov
adc4f1fc25
bn/asm/x86[_64]-mont*.pl: complement alloca with page-walking.
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Some OSes, *cough*-dows, insist on stack being "wired" to
physical memory in strictly sequential manner, i.e. if stack
allocation spans two pages, then reference to farmost one can
be punishable by SEGV. But page walking can do good even on
other OSes, because it guarantees that villain thread hits
the guard page before it can make damage to innocent one...
Reviewed-by: Rich Salz <rsalz@openssl.org>
2016-03-07 14:58:14 +01:00
Andy Polyakov
5711dd8eac
x86-mont.pl: fix bug in integer-only squaring path.
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PR: 2648
2011-12-09 14:21:25 +00:00
Andy Polyakov
673c55a2fe
Latest bn_mont.c modification broke ECDSA test. I've got math wrong, which
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is fixed now.
2007-06-29 13:10:19 +00:00
Andy Polyakov
7d9cf7c0bb
Eliminate conditional final subtraction in Montgomery assembler modules.
2007-06-17 17:10:03 +00:00
Andy Polyakov
8b71d35458
nasm fixes.
2007-03-20 08:55:58 +00:00
Andy Polyakov
4cfe3df1f5
Minor performance improvements to x86-mont.pl.
2006-12-28 12:43:16 +00:00
Andy Polyakov
8f2d60ec26
Fix for "strange errors" exposed by ccgost engine. The fix is
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two extra insructions in sqradd loop at line #503 .
2006-12-27 10:59:51 +00:00
Andy Polyakov
1702c8c4bf
x86-mont.pl sse2 tune-up and integer-only squaring procedure.
2006-12-22 15:28:07 +00:00
Andy Polyakov
48d2335d73
Non-SSE2 path to bn_mul_mont. But it's disabled, because it currently
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doesn't give performance improvement.
2006-11-27 14:59:35 +00:00
Andy Polyakov
4d524040bc
Change bn_mul_mont declaration and BN_MONT_CTX. Update CHANGES.
2005-10-22 17:57:18 +00:00
Andy Polyakov
34736de4c0
Flip saved argument block and tp [required for non-SSE2 path].
2005-10-14 16:05:21 +00:00
Andy Polyakov
5f50d597f2
Make sure x86-mont.pl returns zero even if compiled with no-sse2.
2005-10-14 15:24:06 +00:00
Andy Polyakov
35593b33f4
Add timestamp to x86-mont.pl.
2005-10-09 10:26:56 +00:00
Andy Polyakov
54f3d200d3
Throw in bn/asm/x86-mont.pl Montgomery multiplication "teaser".
2005-10-09 09:53:58 +00:00