DoAsn1Key now fails when WOLFSSH_NO_RSA is defined

Author: gojimmypi

src/ssh.c

@@ -1747,6 +1747,7 @@ static int DoAsn1Key(const byte* in, word32 inSz, byte** out,
         *outType = (const byte*)IdToName(ret);
         *outTypeSz = (word32)WSTRLEN((const char*)*outType);
 
+#ifndef WOLFSSH_NO_RSA
         ret = wc_RsaFlattenPublicKey(&key->ks.rsa.key, (byte*)&e, &eSz, n, &nSz);
         if (ret == 0) {
             if (n[0] & 0x80) {
@@ -1762,6 +1763,10 @@ static int DoAsn1Key(const byte* in, word32 inSz, byte** out,
                 ret = WS_MEMORY_E;
             }
         }
+#else
+        WLOG(WS_LOG_DEBUG, "DoAsn1Key failed; WOLFSSH_NO_RSA disabled RSA");
+        ret = WS_RSA_E;
+#endif
         if (ret == 0) {
             /* encode the key format string */
             c32toa((word32)WSTRLEN(keyFormat), &newKey[idx]);