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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.
This commit is contained in:
Dr. Stephen Henson 2011-01-24 14:41:49 +00:00
parent 7fa27d9ac6
commit 913488c066
2 changed files with 6 additions and 0 deletions
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3
crypto/ec/ec2_smpl.c
View file

@ -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)
{

3
crypto/ec/ecp_smpl.c
View file

@ -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)
{