diff --git a/testprof/rsa_test.c b/testprof/rsa_test.c
index 55db842..94bce20 100644
--- a/testprof/rsa_test.c
+++ b/testprof/rsa_test.c
@@ -109,17 +109,48 @@ static const unsigned char openssl_public_rsa_stripped[] = {
    0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01,
    0x00, 0x01,  };
 
+
+/* generated with the private key above as:
+   echo -n 'test' | openssl rsautl -sign -inkey rsa_private.pem -pkcs -hexdump
+ */
+static const unsigned char openssl_rsautl_pkcs[] = {
+   0x24, 0xef, 0x54, 0xea, 0x1a, 0x12, 0x0c, 0xf4, 0x04, 0x0c, 0x48, 0xc8, 0xe8, 0x17, 0xd2, 0x6f,
+   0xc3, 0x41, 0xb3, 0x97, 0x5c, 0xbc, 0xa3, 0x2d, 0x21, 0x00, 0x10, 0x0e, 0xbb, 0xf7, 0x30, 0x21,
+   0x7e, 0x12, 0xd2, 0xdf, 0x26, 0x28, 0xd8, 0x0f, 0x6d, 0x4d, 0xc8, 0x4d, 0xa8, 0x78, 0xe7, 0x03,
+   0xee, 0xbc, 0x68, 0xba, 0x98, 0xea, 0xe9, 0xb6, 0x06, 0x8d, 0x85, 0x5b, 0xdb, 0xa6, 0x49, 0x86,
+   0x6f, 0xc7, 0x3d, 0xe0, 0x53, 0x83, 0xe0, 0xea, 0xb1, 0x08, 0x6a, 0x7b, 0xbd, 0xeb, 0xb5, 0x4a,
+   0xdd, 0xbc, 0x64, 0x97, 0x8c, 0x17, 0x20, 0xa3, 0x5c, 0xd4, 0xb8, 0x87, 0x43, 0xc5, 0x13, 0xad,
+   0x41, 0x6e, 0x45, 0x41, 0x32, 0xd4, 0x09, 0x12, 0x7f, 0xdc, 0x59, 0x1f, 0x28, 0x3f, 0x1e, 0xbc,
+   0xef, 0x57, 0x23, 0x4b, 0x3a, 0xa3, 0x24, 0x91, 0x4d, 0xfb, 0xb2, 0xd4, 0xe7, 0x5e, 0x41, 0x7e,
+};
+
 extern const unsigned char _der_tests_cacert_root_cert[];
 extern const unsigned long _der_tests_cacert_root_cert_size;
 
 static int rsa_compat_test(void)
 {
-   rsa_key key;
+   rsa_key key, pubkey;
+   int stat;
    unsigned char buf[1024];
    unsigned long len;
 
    /* try reading the key */
    DO(rsa_import(openssl_private_rsa, sizeof(openssl_private_rsa), &key));
+   DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &pubkey));
+
+   /* sign-verify a message with PKCS #1 v1.5 no ASN.1 */
+   len = sizeof(buf);
+   DO(rsa_sign_hash_ex((unsigned char*)"test", 4, buf, &len, LTC_PKCS_1_V1_5_NA1, NULL, 0, 0, 0, &key));
+   if (len != sizeof(openssl_rsautl_pkcs) || memcmp(buf, openssl_rsautl_pkcs, len)) {
+      fprintf(stderr, "RSA rsa_sign_hash_ex + LTC_PKCS_1_V1_5_NA1 failed\n");
+      return 1;
+   }
+   stat = 0;
+   DO(rsa_verify_hash_ex(openssl_rsautl_pkcs, sizeof(openssl_rsautl_pkcs), (unsigned char*)"test", 4, LTC_PKCS_1_V1_5_NA1, 0, 0, &stat, &pubkey));
+   if (stat != 1) {
+      fprintf(stderr, "RSA rsa_verify_hash_ex + LTC_PKCS_1_V1_5_NA1 failed\n");
+      return 1;
+   }
 
    /* now try to export private/public and compare */
    len = sizeof(buf);