diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2011-01-24 14:41:49 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2011-01-24 14:41:49 +0000 |
commit | 913488c066998bfecaf5254f3dc60fc62cd1c6ac (patch) | |
tree | 481e4927d32468c1a896522585ea75aad490bd05 | |
parent | 7fa27d9ac678e41aa010e91ef1a07fcfe405033a (diff) |
PR: 1612
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.
-rw-r--r-- | crypto/ec/ec2_smpl.c | 3 | ||||
-rw-r--r-- | crypto/ec/ecp_smpl.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/crypto/ec/ec2_smpl.c b/crypto/ec/ec2_smpl.c index cf357b462a..af94458ca7 100644 --- a/crypto/ec/ec2_smpl.c +++ b/crypto/ec/ec2_smpl.c @@ -937,6 +937,9 @@ int ec_GF2m_simple_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT { return EC_POINT_is_at_infinity(group, b) ? 0 : 1; } + + if (EC_POINT_is_at_infinity(group, b)) + return 1; if (a->Z_is_one && b->Z_is_one) { diff --git a/crypto/ec/ecp_smpl.c b/crypto/ec/ecp_smpl.c index 4d26f8bdf6..66a92e2a90 100644 --- a/crypto/ec/ecp_smpl.c +++ b/crypto/ec/ecp_smpl.c @@ -1406,6 +1406,9 @@ int ec_GFp_simple_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT * { return EC_POINT_is_at_infinity(group, b) ? 0 : 1; } + + if (EC_POINT_is_at_infinity(group, b)) + return 1; if (a->Z_is_one && b->Z_is_one) { |