Dr. Stephen Henson
9ff9bccc41
Add default operations to EC_METHOD
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Reviewed-by: Rich Salz <rsalz@openssl.org>
2016-03-01 22:04:25 +00:00
Dr. Stephen Henson
e5b2ea0ac3
Add group_order_bits to EC_METHOD.
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Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
2016-02-28 22:54:53 +00:00
Rich Salz
349807608f
Remove /* foo.c */ comments
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This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1 && m@/\* .*\.[ch] \*/@;
close ARGV if eof; # Close file to reset $.
And then some hand-editing of other files.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
2016-01-26 16:40:43 -05:00
Matt Caswell
90945fa31a
Continue standardising malloc style for libcrypto
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Continuing from previous commit ensure our style is consistent for malloc
return checks.
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
2015-11-09 22:48:41 +00:00
Rich Salz
23a1d5e97c
free NULL cleanup 7
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This gets BN_.*free:
BN_BLINDING_free BN_CTX_free BN_FLG_FREE BN_GENCB_free
BN_MONT_CTX_free BN_RECP_CTX_free BN_clear_free BN_free BUF_MEM_free
Also fix a call to DSA_SIG_free to ccgost engine and remove some #ifdef'd
dead code in engines/e_ubsec.
Reviewed-by: Richard Levitte <levitte@openssl.org>
2015-04-30 21:37:06 -04:00
Rich Salz
a38537721d
Fix memory leak
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It should have freed them when != NULL, not when == NULL.
Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Viktor Dukhovni <openssl-users@dukhovni.org>
2015-04-11 20:31:29 +02:00
Matt Caswell
35a1cc90bc
More comment realignment
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Reviewed-by: Tim Hudson <tjh@openssl.org>
2015-01-22 09:20:10 +00:00
Matt Caswell
50e735f9e5
Re-align some comments after running the reformat script.
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This should be a one off operation (subsequent invokation of the
script should not move them)
Reviewed-by: Tim Hudson <tjh@openssl.org>
2015-01-22 09:20:10 +00:00
Matt Caswell
0f113f3ee4
Run util/openssl-format-source -v -c .
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Reviewed-by: Tim Hudson <tjh@openssl.org>
2015-01-22 09:20:09 +00:00
Matt Caswell
23a22b4cf7
More comments
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Conflicts:
crypto/dsa/dsa_vrf.c
crypto/ec/ec2_smpl.c
crypto/ec/ecp_smpl.c
Conflicts:
demos/bio/saccept.c
ssl/d1_clnt.c
Conflicts:
bugs/dggccbug.c
demos/tunala/cb.c
Reviewed-by: Tim Hudson <tjh@openssl.org>
2015-01-22 09:20:06 +00:00
Matt Caswell
3a83462dfe
Further comment amendments to preserve formatting prior to source reformat
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Reviewed-by: Tim Hudson <tjh@openssl.org>
2015-01-06 15:45:25 +00:00
Tim Hudson
1d97c84351
mark all block comments that need format preserving so that
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indent will not alter them when reformatting comments
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
2014-12-30 22:10:26 +00:00
Matt Caswell
5784a52145
Implement internally opaque bn access from ec
...
Reviewed-by: Tim Hudson <tjh@openssl.org>
2014-12-08 21:40:47 +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
Bodo Moeller
16602b5cd5
Further improve/fix ec_GFp_simple_points_make_affine (ecp_smpl.c) and
...
group_order_tests (ectest.c). Also fix the EC_POINTs_mul documentation (ec.h).
Reviewed-by: emilia@openssl.org
2014-08-13 17:37:19 +02:00
Bodo Moeller
0fe73d6c36
Simplify and fix ec_GFp_simple_points_make_affine
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(which didn't always handle value 0 correctly).
Reviewed-by: emilia@openssl.org
2014-08-01 17:18:14 +02:00
Dr. Stephen Henson
84b08eee4b
Reorganise ECC code for inclusion in FIPS module.
...
Move compression, point2oct and oct2point functions into separate files.
Add a flags field to EC_METHOD.
Add a flag EC_FLAGS_DEFAULT_OCT to use the default compession and oct
functions (all existing methods do this). This removes dependencies from
EC_METHOD while keeping original functionality.
2011-02-14 16:52:12 +00:00
Dr. Stephen Henson
0aa1aedbce
PR: 1612
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Submitted by: Robert Jackson <robert@rjsweb.net>
Reviewed by: steve
Fix EC_POINT_cmp function for case where b but not a is the point at infinity.
2011-01-24 14:41:34 +00:00
Dr. Stephen Henson
dd616752a1
oops, revert mistakenly committed EC changes
2011-01-19 14:42:42 +00:00
Dr. Stephen Henson
198ce9a611
Add additional parameter to dsa_builtin_paramgen to output the generated
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seed to: this doesn't introduce any binary compatibility issues as the
function is only used internally.
The seed output is needed for FIPS 140-2 algorithm testing: the functionality
used to be in DSA_generate_parameters_ex() but was removed in OpenSSL 1.0.0
2011-01-19 14:35:53 +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
Nils Larsch
ff22e913a3
- use BN_set_negative and BN_is_negative instead of BN_set_sign
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and BN_get_sign
- implement BN_set_negative as a function
- always use "#define BN_is_zero(a) ((a)->top == 0)"
2005-04-22 20:02:44 +00:00
Geoff Thorpe
7f5b4dd1e8
Using Horner's algorithm to evaluate the ec polynomial
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(suggested by Adam Young <ayoung@cigital.com>)
Submitted by: Nils Larsch
2004-07-16 03:24:19 +00:00
Geoff Thorpe
ace3ebd661
Improve error handling if decompression of an ec point fails, and cleanup
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ec_curve.c (unify comments, etc).
Submitted by: Nils Larsch
Reviewed by: Bodo Moeller, Geoff Thorpe
2004-07-06 15:50:04 +00:00
Richard Levitte
560f7abb7e
Make sure we use unsigned constants, or come compilers may complain.
2004-03-15 22:33:19 +00:00
Geoff Thorpe
b6358c89a1
Convert openssl code not to assume the deprecated form of BN_zero().
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Remove certain redundant BN_zero() initialisations, because BN_CTX_get(),
BN_init(), [etc] already initialise to zero.
Correct error checking in bn_sqr.c, and be less wishy-wash about how/why
the result's 'top' value is set (note also, 'max' is always > 0 at this
point).
2004-03-13 23:57:20 +00:00
Bodo Möller
37c660ff9b
implement fast point multiplication with precomputation
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Submitted by: Nils Larsch
Reviewed by: Bodo Moeller
2003-02-06 19:25:12 +00:00
Bodo Möller
922fa76e26
add a comment
2002-11-22 09:25:35 +00:00
Bodo Möller
137445140b
Make ec_GFp_simple_point_get_affine_coordinates() faster
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for Montgomery representations.
Submitted by: Sheueling Chang, Bodo Moeller
2002-11-20 10:53:33 +00:00
Bodo Möller
b53e44e572
implement and use new macros BN_get_sign(), BN_set_sign()
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Submitted by: Nils Larsch
2002-11-04 13:17:22 +00:00
Bodo Möller
6fb60a84dd
Change BN_mod_sqrt() so that it verifies that the input value is
...
really the square of the return value.
2002-08-02 14:57:53 +00:00
Bodo Möller
35b73a1f20
Rename implementations of method functions so that they match
...
the new method names where _GF... suffixes have been removed.
Revert changes to ..._{get/set}_Jprojective_coordinates_...:
The current implementation for ECC over binary fields does not use
projective coordinates, and if it did, it would not use Jacobian
projective coordinates; so it's OK to use the ..._GFp prefix for all
this.
Add author attributions to some files so that it doesn't look
as if Sun wrote all of this :-)
2002-08-02 14:28:37 +00:00
Bodo Möller
7793f30e09
add support for elliptic curves over binary fields
...
Submitted by: Duglas Stebila <douglas.stebila@sun.com>,
Sheueling Chang <sheueling.chang@sun.com>
(CHANGES entries by Bodo Moeller)
2002-08-02 13:42:24 +00:00
Bodo Möller
458c29175e
move ECC ASN1 that is not specific to ECDSA into crypto/ec/,
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and make some appropriate changes to the EC library.
Submitted by: Nils Larsch
2002-06-10 12:18:21 +00:00
Richard Levitte
02cbedc387
Make sure short aliases are used where required.
2002-05-23 13:52:36 +00:00
Bodo Möller
b6db386ffd
Change internals of the EC library so that the functions
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EC_GROUP_{set_generator,get_generator,get_order,get_cofactor} are
implemented directly in crypto/ec/ec_lib.c and not dispatched to
methods.
Also fix EC_GROUP_copy to copy the NID.
2002-05-08 11:54:24 +00:00
Bodo Möller
17d6bb8158
New function EC_GROUP_check_discriminant().
...
Restructure implementation of EC_GROUP_check().
Submitted by: Nils Larsch
2002-03-20 10:18:07 +00:00
Bodo Möller
af28dd6c75
Fix bugs and typos.
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Add some WTLS curves.
New function EC_GROUP_check() (this will probably
be implemented differently soon).
Submitted by: Nils Larsch
Reviewed by: Bodo Moeller
2002-03-18 13:10:45 +00:00
Richard Levitte
1f0af2c073
len is a size_t, which is an unsigned integer. Therefore, some
...
compilers will complain against the check for less than zero.
2001-05-14 11:56:47 +00:00
Bodo Möller
48fe4d6233
More EC stuff, including EC_POINTs_mul() for simultaneous scalar
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multiplication of an arbitrary number of points.
2001-03-10 23:18:35 +00:00
Bodo Möller
42909e3968
Fix ec_GFp_simple_cmp.
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Use example group from Annex I of X9.62 in ectest.c.
2001-03-08 22:52:49 +00:00
Bodo Möller
156e85578d
Implement EC_GFp_mont_method.
2001-03-08 20:55:16 +00:00
Bodo Möller
bb62a8b0c5
More method functions for elliptic curves,
...
and an ectest.c that actually tests something.
2001-03-08 19:14:52 +00:00
Bodo Möller
1d5bd6cf71
More 'TODO' items.
2001-03-08 11:16:33 +00:00
Bodo Möller
226cc7ded4
More method functions for EC_GFp_simple_method.
2001-03-08 01:23:28 +00:00
Bodo Möller
e869d4bd32
More method functions.
2001-03-07 20:56:48 +00:00
Bodo Möller
60428dbf0a
Some actual method functions (not enough yet to use the EC library, though),
...
including EC arithmetics derived from Lenka Fibikova's code (with some
additional optimizations).
2001-03-07 19:54:35 +00:00
Bodo Möller
58fc62296f
The next bunch of vaporware.
2001-03-07 09:29:45 +00:00
Bodo Möller
0657bf9c14
Implement dispatcher for EC_GROUP and EC_POINT method functions.
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Initial EC_GROUP_new_curve_GFp implementation.
2001-03-07 01:17:05 +00:00
Bodo Möller
38e3c5815c
Add yet another (still empty) source code file that I forgot.
2001-03-05 20:31:49 +00:00