-if ( (ctx = EVP_PKEY_CTX_new(verify_ctx->key, NULL))
- && EVP_PKEY_verify_init(ctx) > 0
- && EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PADDING) > 0
- && EVP_PKEY_CTX_set_signature_md(ctx, md) > 0
- && EVP_PKEY_verify(ctx, sig->data, sig->len,
- data_hash->data, data_hash->len) == 1
- )
- { EVP_PKEY_CTX_free(ctx); return NULL; }
+#ifdef SIGN_HAVE_ED25519
+if (!md)
+ {
+ EVP_MD_CTX * ctx;
+
+ if ((ctx = EVP_MD_CTX_new()))
+ {
+ if ( EVP_DigestVerifyInit(ctx, NULL, md, NULL, verify_ctx->key) > 0
+ && EVP_DigestVerify(ctx, sig->data, sig->len, data->data, data->len) > 0
+ )
+ { EVP_MD_CTX_free(ctx); return NULL; }
+ EVP_MD_CTX_free(ctx);
+ }
+ }
+else
+#endif
+ {
+ EVP_PKEY_CTX * ctx;
+
+ if ((ctx = EVP_PKEY_CTX_new(verify_ctx->key, NULL)))
+ {
+ if ( EVP_PKEY_verify_init(ctx) > 0
+ && EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PADDING) > 0
+ && EVP_PKEY_CTX_set_signature_md(ctx, md) > 0
+ && EVP_PKEY_verify(ctx, sig->data, sig->len,
+ data->data, data->len) == 1
+ )
+ { EVP_PKEY_CTX_free(ctx); return NULL; }
+ EVP_PKEY_CTX_free(ctx);
+
+ DEBUG(D_tls)
+ if (Ustrcmp(ERR_reason_error_string(ERR_peek_error()), "wrong signature length") == 0)
+ debug_printf("sig len (from msg hdr): %d, expected (from dns pubkey) %d\n",
+ (int) sig->len, EVP_PKEY_size(verify_ctx->key));
+ }
+ }