[crypto] Fix identification of non-wrapped elliptic curve identifiers

Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/crypto/asn1.c b/src/crypto/asn1.c
index 21029f6f62e6a09cd9b18079374de7a7ee8835d6..dd0b954e1c800f4caeb48919ae9d485a77394273 100644 (file)
--- a/src/crypto/asn1.c
+++ b/src/crypto/asn1.c
@@ -667,8 +667,8 @@ int asn1_curve_algorithm ( const struct asn1_cursor *cursor,
         *
         * - a standalone object identifier for the curve
         */
-       if ( wrapper && asn1_check_algorithm ( cursor, wrapper,
-                                              &curve ) != 0 ) {
+       if ( ( wrapper == NULL ) ||
+            ( asn1_check_algorithm ( cursor, wrapper, &curve ) != 0 ) ) {
                memcpy ( &curve, cursor, sizeof ( curve ) );
        }