X-Git-Url: https://www.bearssl.org/gitweb//home/git/?p=BearSSL;a=blobdiff_plain;f=src%2Fec%2Fec_prime_i15.c;h=f86dbe6ff0dbc036af470e369048c4ae02d33337;hp=0f210f240475191f7039fe1ad2e355fc0c510037;hb=HEAD;hpb=05520e8eae3d8c6039e8bcde58741cf4ffb18f1d

diff --git a/src/ec/ec_prime_i15.c b/src/ec/ec_prime_i15.c
index 0f210f2..f86dbe6 100644
--- a/src/ec/ec_prime_i15.c
+++ b/src/ec/ec_prime_i15.c
@@ -733,11 +733,12 @@ api_mul(unsigned char *G, size_t Glen,
 	jacobian P;
 
 	cc = id_to_curve(curve);
+	if (Glen != cc->point_len) {
+		return 0;
+	}
 	r = point_decode(&P, G, Glen, cc);
 	point_mul(&P, x, xlen, cc);
-	if (Glen == cc->point_len) {
-		point_encode(G, &P, cc);
-	}
+	point_encode(G, &P, cc);
 	return r;
 }
 
@@ -770,6 +771,9 @@ api_muladd(unsigned char *A, const unsigned char *B, size_t len,
 	 */
 
 	cc = id_to_curve(curve);
+	if (len != cc->point_len) {
+		return 0;
+	}
 	r = point_decode(&P, A, len, cc);
 	if (B == NULL) {
 		size_t Glen;