X-Git-Url: https://www.bearssl.org/gitweb//home/git/?p=BearSSL;a=blobdiff_plain;f=src%2Fec%2Fecdsa_i31_vrfy_raw.c;h=8af9597f1056c3283e777c2c067b9adc10fe1401;hp=54dcfc2dfea69f2b5a2d8a417ba5144e81c84ebb;hb=6dd8c51ba7e8ca106ede7ff58b5c507042bbf6eb;hpb=3210f38e0491b39aec1ef419cb4114e9483089fb

diff --git a/src/ec/ecdsa_i31_vrfy_raw.c b/src/ec/ecdsa_i31_vrfy_raw.c
index 54dcfc2..8af9597 100644
--- a/src/ec/ecdsa_i31_vrfy_raw.c
+++ b/src/ec/ecdsa_i31_vrfy_raw.c
@@ -47,6 +47,13 @@ br_ecdsa_i31_vrfy_raw(const br_ec_impl *impl,
 	size_t nlen, rlen, ulen;
 	uint32_t n0i, res;
 
+	/*
+	 * If the curve is not supported, then report an error.
+	 */
+	if (((impl->supported_curves >> pk->curve) & 1) == 0) {
+		return 0;
+	}
+
 	/*
 	 * Get the curve parameters (generator and order).
 	 */