Imported OpenSSL 1.1.1a

crypto/ec/ecdsa_vrf.c

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/ec.h>
+#include "ec_lcl.h"
+#include <openssl/err.h>
+
+/*-
+ * returns
+ *      1: correct signature
+ *      0: incorrect signature
+ *     -1: error
+ */
+int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
+                    const ECDSA_SIG *sig, EC_KEY *eckey)
+{
+    if (eckey->meth->verify_sig != NULL)
+        return eckey->meth->verify_sig(dgst, dgst_len, sig, eckey);
+    ECerr(EC_F_ECDSA_DO_VERIFY, EC_R_OPERATION_NOT_SUPPORTED);
+    return 0;
+}
+
+/*-
+ * returns
+ *      1: correct signature
+ *      0: incorrect signature
+ *     -1: error
+ */
+int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len,
+                 const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
+{
+    if (eckey->meth->verify != NULL)
+        return eckey->meth->verify(type, dgst, dgst_len, sigbuf, sig_len,
+                                   eckey);
+    ECerr(EC_F_ECDSA_VERIFY, EC_R_OPERATION_NOT_SUPPORTED);
+    return 0;
+}