提交 0aa1aedb 编写于 作者: D Dr. Stephen Henson

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.
上级 dd616752
......@@ -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)
{
......
......@@ -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)
{
......
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