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834 Commits

Author SHA1 Message Date
Bodo Möller
28fd5c60de Constify bn_dump1 implementation so that it matches the prototype 
in bn.h
 2000-11-17 08:36:10 +00:00
Richard Levitte
cbd48ba626 More constification of the BN library. 2000-11-16 22:43:32 +00:00
Richard Levitte
67d93e6f49 Make sure to print the BN counting (BN_COUNT) to stderr instead of 
stdout.  bc gets so confused by bean counts.
 2000-11-16 22:42:39 +00:00
Richard Levitte
afb83c45e6 Oops, when I clean, I should do it thoroughly. 2000-11-16 22:41:26 +00:00
Richard Levitte
43fcc1b096 I've checked again and again. There really is no need to expand a to 
4 times it's size when bn_sqr_recursive() won't look farther than the
original length.  Thereby, constification is no longer a problem.
 2000-11-16 21:35:41 +00:00
Ben Laurie
757e392d4e Make Rijndael work! Those long flights have some good points. 2000-11-12 02:13:38 +00:00
Bodo Möller
e1a8ac495b tmp2 is not used in BN_mod_mul_montgomery. 2000-11-09 16:39:01 +00:00
Bodo Möller
7f7b8d6871 BN_CTX-related fixes. 2000-11-08 10:05:34 +00:00
Bodo Möller
e0bf5c11ea Handle BN_copy failure after successful BN_new. 2000-11-07 09:39:51 +00:00
Bodo Möller
58f0f52e67 handle the case when BN_new returns NULL 2000-11-07 09:35:19 +00:00
Richard Levitte
020fc820dc Constify the BIGNUM routines a bit more. The only trouble were the 
two functions that did expansion on in parameters (BN_mul() and
BN_sqr()).  The problem was solved by making bn_dup_expand() which is
a mix of bn_expand2() and BN_dup().
 2000-11-06 21:15:54 +00:00
Richard Levitte
5270e7025e Merge the engine branch into the main trunk. All conflicts resolved. 
At the same time, add VMS support for Rijndael.
 2000-10-26 21:07:28 +00:00
Richard Levitte
6df3553255 A compiler warning removed. Thanks to the folks at HP! 2000-09-27 13:54:28 +00:00
Richard Levitte
4e20a4e688 'ranlib' doesn't always run on some systems. That's actually 
acceptable, since all that happens if it fails is a library with
an index, which makes linking slower, but still working correctly.
 2000-09-25 08:53:15 +00:00
Bodo Möller
fe03519704 Totally remove the supposedly 'faster' variant in 
BN_mod_mul_montgomery, which calls bn_sqr_recursive
without much preparation.

bn_sqr_recursive requires the length of its argument to be
a power of 2, which is not always the case here.
There's no reason for not using BN_sqr -- if a simpler
approach to squaring made sense, then why not change
BN_sqr?  (Using BN_sqr should also speed up DH where g is chosen
such that it becomes small [e.g., 2] when converted
to Montgomery representation.)

Case closed :-)
 2000-09-19 23:25:00 +00:00
Bodo Möller
a45bd29535 Document BN_mod_mul_montgomery bug; 
make disabled code slightly more correct (this does not solve
the problem though).
 2000-09-19 18:02:15 +00:00
Bodo Möller
f4364e0730 Disable buggy code variant in BN_mod_mul_montgomery that was enabled 
in 0.9.6-beta1 and 0.9.6-beta2 and caused the BN_mont_exp_mont_word()
failure (bug report "openssh 2.2.0p1 fails with openssl 0.9.6-beta1").
 2000-09-19 17:21:52 +00:00
Richard Levitte
d0c2ebf414 A patch from HP for better performance. 
Submitted by Kevin Steves <ks@hp.se> 3 months ago...
 2000-09-17 20:04:42 +00:00
Ulf Möller
1d84fd64fc Bug fix: Montgomery multiplication could produce results with the wrong 
sign.
 2000-09-14 18:37:53 +00:00
Richard Levitte
62ab514e98 'make update' 2000-09-07 08:46:51 +00:00
Bodo Möller
bbb8de0966 Avoid abort() throughout the library, except when preprocessor 
symbols for debugging are defined.
 2000-09-04 15:34:43 +00:00
Bodo Möller
5e38616380 Fix for BN_mul_word(a, 0). 2000-09-04 15:30:14 +00:00
Ben Laurie
c9b51693dc max -> dmax in bn_check_top. 2000-08-22 21:23:09 +00:00
Dr. Stephen Henson
2d978cbd30 Changes needed for Tandem NSK, supplied by Scott Uroff (scott@xypro.com). 
Fix warnings with BIO_dump_indent().
 2000-08-04 00:01:39 +00:00
Richard Levitte
8083e1bd9e There's a slight possibility that a is 0 in BN_sub_word(), and might 
therefore have unallocated parts.  Therefore, a check for the 0 case
is needed, resulting with the same thing as when a is negative.
 2000-07-27 21:32:23 +00:00
Richard Levitte
8b4e27e26e In the case where a < 0 and |a| < w, the result (assigned to a) from 
BN_add_word becomes wrongly negative...
This was discovered by Darrel Hankerson <dhankers@cacr.math.uwaterloo.ca>
 2000-07-27 21:17:14 +00:00
Richard Levitte
47ff5de8c2 Darrel Hankerson <dhankers@cacr.math.uwaterloo.ca> correctly discovered 
that of the result pointer to bn_mul was the same as one of the two arguments,
That argument might have it's sign destroyed.  He provided this fix.
 2000-07-26 01:14:16 +00:00
Bodo Möller
904cb691f3 Return bignum '0' when BN_rand is asked for a 0 bit random number. 2000-07-02 19:42:19 +00:00
Ben Laurie
69b5d3c51f Don't let top go below zero! 2000-07-01 16:30:27 +00:00
Bodo Möller
fc57ebc057 Actually comment out the parts of BN_MOD_MUL_WORD that I inteded to 
comment out in the previous commit
 2000-06-23 08:10:28 +00:00
Bodo Möller
e958c5afe7 In BN_mod_exp_mont_word, avoid one application of BN_MOD_MUL_WORD, 
and for small 'a' also a couple of calls to
BN_mod_mul_montgomery(r, r, r, ...).
 2000-06-23 05:51:37 +00:00
Ulf Möller
8415060e1e use faster version 2000-06-21 21:20:46 +00:00
Bodo Möller
24bec03beb This probably fixes a BN_rshift bug. 2000-06-13 15:07:39 +00:00
Bodo Möller
c3b1424cc0 Use BN_CTX_end when exiting early from BN_mod_exp_mont_word because 
BN_mod_exp_atalla could be used.
 2000-06-13 13:50:42 +00:00
Geoff Thorpe
8ba6d1b0cc The atalla functionality doesn't work with the "word" version of 
BN_mod_exp. Call the regular atalla mod_exp operation instead.
 2000-06-13 13:18:51 +00:00
Geoff Thorpe
1c4f90a05d Enable DSO support on alpha (OSF1), cc and gcc. 
Also, "make update" has added some missing functions to libeay.num,
updated the TABLE for the alpha changes, and updated thousands of
dependancies that have changed from recent commits.
 2000-06-13 12:59:38 +00:00
Bodo Möller
814ed26cfa Comment for increased code clarity. 2000-06-09 09:11:30 +00:00
Bodo Möller
dc434bbcb0 Slightly faster DSA verification (BN_mod_exp2_mont), 
marginally faster BN_mod_exp for 1024 bit exponents.
 2000-06-08 20:26:03 +00:00
Bodo Möller
f8989a2155 Use the equivalent of a sliding window (without precomputation 
because we're only handling words anyway) in BN_mod_exp_mont_word
making it a little faster for very small exponents,
and adjust the performance gain estimate in CHANGES according
to slightly more thorough measurements.
(15% faster than BN_mod_exp_mont for "large" base,
20% faster than BN_mod_exp_mont for small base.)
 2000-06-08 09:39:28 +00:00
Bodo Möller
6dad7bd69c Speed up DH with small generator. 2000-06-07 21:29:25 +00:00
Richard Levitte
26a3a48d65 There have been a number of complaints from a number of sources that names 
like Malloc, Realloc and especially Free conflict with already existing names
on some operating systems or other packages.  That is reason enough to change
the names of the OpenSSL memory allocation macros to something that has a
better chance of being unique, like prepending them with OPENSSL_.

This change includes all the name changes needed throughout all C files.
 2000-06-01 22:19:21 +00:00
Ulf Möller
de42b6a7a8 Use NO_FP_API. 2000-06-01 20:25:44 +00:00
Ulf Möller
623bb80b77 In some of the Makefiles CPP was not defined. 2000-03-20 18:16:52 +00:00
Bodo Möller
88f17a5e98 Remove Win32 assembler files. They are always rebuilt (with some 
choice of parameters) when they are needed.
 2000-03-13 08:04:20 +00:00
Ulf Möller
3a6a39c373 asm workaround for SuSE Linux 
proposed by Holger Reif
 2000-03-12 12:52:36 +00:00
Bodo Möller
59fc2b0fc2 Preserve reason strings in automatically build tables. 2000-03-05 00:19:36 +00:00
Bodo Möller
df83eeb710 Update comment. 2000-03-02 22:08:30 +00:00
Bodo Möller
743e7be913 Add missing dependencies. 2000-03-02 19:30:41 +00:00
Bodo Möller
2d092edf5e Change comment. 2000-03-02 14:34:08 +00:00
Ulf Möller
8782a42627 add comment. 2000-03-01 19:08:47 +00:00