Matt Caswell
829ccf6ab6
Implement internally opaque bn access from dh
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Reviewed-by: Tim Hudson <tjh@openssl.org>
2014-12-08 21:40:32 +00:00
Dr. Stephen Henson
73e45b2dd1
remove OPENSSL_FIPSAPI
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Reviewed-by: Tim Hudson <tjh@openssl.org>
2014-12-08 13:25:38 +00:00
Dr. Stephen Henson
1bfffe9bd0
Remove FIPS module code from crypto/dh
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Reviewed-by: Tim Hudson <tjh@openssl.org>
2014-12-08 13:25:38 +00:00
Dr. Stephen Henson
4960411e1f
Add flags for DH FIPS method.
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Update/fix prototypes in fips.h
2011-06-08 15:53:08 +00:00
Dr. Stephen Henson
c2fd598994
Rename FIPS_mode_set and FIPS_mode. Theses symbols will be defined in
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the FIPS capable OpenSSL.
2011-05-11 14:43:38 +00:00
Dr. Stephen Henson
74fac927b0
Return errors instead of aborting when selftest fails.
2011-04-22 11:12:56 +00:00
Dr. Stephen Henson
31360957fb
DH keys have an (until now) unused 'q' parameter. When creating
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from DSA copy q across and if q present generate DH key in the
correct range.
2011-04-07 15:01:48 +00:00
Dr. Stephen Henson
bc91494e06
New SP 800-56A compliant version of DH_compute_key().
2011-03-08 19:07:26 +00:00
Dr. Stephen Henson
14ae26f2e4
Transfer error redirection to fips.h, add OPENSSL_FIPSAPI to source files
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that use it.
2011-02-03 17:00:24 +00:00
Dr. Stephen Henson
83c3410b94
FIPS DH changes: selftest checks and key range checks.
2011-01-26 15:47:19 +00:00
Bodo Möller
bd31fb2145
Change to mitigate branch prediction attacks
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Submitted by: Matthew D Wood
Reviewed by: Bodo Moeller
2007-03-28 00:15:28 +00:00
Mark J. Cox
c2cccfc585
Initialise ctx to NULL to avoid uninitialized free, noticed by
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Steve Kiernan
2006-09-29 08:21:41 +00:00
Bodo Möller
5e3225cc44
Introduce limits to prevent malicious keys being able to
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cause a denial of service. (CVE-2006-2940)
[Steve Henson, Bodo Moeller]
2006-09-28 13:45:34 +00:00
Nils Larsch
47d5566646
fix error found by coverity: check if ctx is != NULL before calling BN_CTX_end()
2006-03-13 23:14:57 +00:00
Ben Laurie
bf3d6c0c9b
Make D-H safer, include well-known primes.
2005-08-21 16:00:17 +00:00
Bodo Möller
a28a5d9c62
Use BN_with_flags() in a cleaner way.
2005-05-27 15:38:53 +00:00
Bodo Möller
46a643763d
Implement fixed-window exponentiation to mitigate hyper-threading
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timing attacks.
BN_FLG_EXP_CONSTTIME requests this algorithm, and this done by default for
RSA/DSA/DH private key computations unless
RSA_FLAG_NO_EXP_CONSTTIME/DSA_FLAG_NO_EXP_CONSTTIME/
DH_FLAG_NO_EXP_CONSTTIME is set.
Submitted by: Matthew D Wood
Reviewed by: Bodo Moeller
2005-05-16 01:43:31 +00:00
Andy Polyakov
3cc54008eb
Pointer to BN_MONT_CTX could be used uninitialized.
2005-04-28 08:49:01 +00:00
Dr. Stephen Henson
879b19801a
Change method_mont_p from (char *) to (BN_MONT_CTX *) and remove several
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casts.
2005-04-27 00:04:59 +00:00
Dr. Stephen Henson
6ec8e63af6
Port BN_MONT_CTX_set_locked() from stable branch.
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The function rsa_eay_mont_helper() has been removed because it is no longer
needed after this change.
2005-04-26 23:58:54 +00:00
Bodo Möller
aa4ce7315f
Fix various incorrect error function codes.
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("perl util/ck_errf.pl */*.c */*/*.c" still reports many more.)
2005-04-26 18:53:22 +00:00
Richard Levitte
43eb3b0130
We seem to carry some rests of the 0.9.6 [engine] ENGINE framework in form
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of unneeded includes of openssl/engine.h.
2003-04-08 06:00:05 +00:00
Richard Levitte
0b13e9f055
Add the possibility to build without the ENGINE framework.
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PR: 287
2003-01-30 17:39:26 +00:00
Geoff Thorpe
0e4aa0d2d2
As with RSA, which was modified recently, this change makes it possible to
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override key-generation implementations by placing handlers in the methods
for DSA and DH. Also, parameter generation for DSA and DH is possible by
another new handler for each method.
2003-01-15 02:01:55 +00:00
Geoff Thorpe
cb78486d97
This commits changes to various parts of libcrypto required by the recent
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ENGINE surgery. DH, DSA, RAND, and RSA now use *both* "method" and ENGINE
pointers to manage their hooking with ENGINE. Previously their use of
"method" pointers was replaced by use of ENGINE references. See
crypto/engine/README for details.
Also, remove the ENGINE iterations from evp_test - even when the
cipher/digest code is committed in, this functionality would require a
different set of API calls.
2001-09-25 20:23:40 +00:00
Bodo Möller
de3333bae4
length of secret exponent is needed only when we create one
2001-07-27 22:45:35 +00:00
Bodo Möller
924875e53b
Undo DH_generate_key() change: s3_srvr.c was using it correctly
2001-07-27 22:34:25 +00:00
Bodo Möller
e5cb260365
DH key generation should not use a do ... while loop,
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or bogus DH parameters can be used for launching DOS attacks
2001-07-25 17:48:51 +00:00
Bodo Möller
6aecef815c
Don't preserve existing keys in DH_generate_key.
2001-07-25 17:20:34 +00:00
Bodo Möller
c62b26fdc6
Hide BN_CTX structure details.
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Incease the number of BIGNUMs in a BN_CTX.
2001-03-08 15:56:15 +00:00
Ulf Möller
48f2ef8d00
make it a loop as in dsa
2001-02-20 16:17:25 +00:00
Ulf Möller
12c2fe8d53
Use BN_rand_range().
2001-02-20 00:43:59 +00:00
Richard Levitte
f971ccb264
Constify DH-related code.
2000-11-07 14:30:37 +00:00
Richard Levitte
5270e7025e
Merge the engine branch into the main trunk. All conflicts resolved.
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At the same time, add VMS support for Rijndael.
2000-10-26 21:07:28 +00:00
Bodo Möller
6dad7bd69c
Speed up DH with small generator.
2000-06-07 21:29:25 +00:00
Ulf Möller
9b141126d4
New functions BN_CTX_start(), BN_CTX_get(), BN_CTX_end() to access
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temporary BIGNUMs. BN_CTX still uses a fixed number of BIGNUMs, but
the BN_CTX implementation could now easily be changed.
2000-02-05 14:17:32 +00:00
Dr. Stephen Henson
13066cee60
Initial support for DH_METHOD. Also added a DH lock. A few changes made to
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DSA_METHOD to make it more consistent with RSA_METHOD.
1999-08-23 23:11:32 +00:00
Bodo Möller
ec577822f9
Change #include filenames from <foo.h> to <openssl.h>.
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Submitted by:
Reviewed by:
PR:
1999-04-23 22:13:45 +00:00
Ulf Möller
6b691a5c85
Change functions to ANSI C.
1999-04-19 21:31:43 +00:00
Ralf S. Engelschall
dfeab0689f
Import of old SSLeay release: SSLeay 0.9.1b (unreleased)
1998-12-21 11:00:56 +00:00
Ralf S. Engelschall
58964a4922
Import of old SSLeay release: SSLeay 0.9.0b
1998-12-21 10:56:39 +00:00
Ralf S. Engelschall
d02b48c63a
Import of old SSLeay release: SSLeay 0.8.1b
1998-12-21 10:52:47 +00:00