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-rw-r--r--crypto/ec/ec_lib.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/crypto/ec/ec_lib.c b/crypto/ec/ec_lib.c
index 9a54f41e4e15..e2275207ed22 100644
--- a/crypto/ec/ec_lib.c
+++ b/crypto/ec/ec_lib.c
@@ -934,6 +934,13 @@ int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *point)
return group->meth->is_at_infinity(group, point);
}
+/*
+ * Check whether an EC_POINT is on the curve or not. Note that the return
+ * value for this function should NOT be treated as a boolean. Return values:
+ * 1: The point is on the curve
+ * 0: The point is not on the curve
+ * -1: An error occurred
+ */
int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point,
BN_CTX *ctx)
{