Imported OpenSSL 1.1.1a

crypto/ec/ecdsa_sign.c

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2015-2016 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>
+
+ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
+{
+    return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
+}
+
+ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
+                            const BIGNUM *kinv, const BIGNUM *rp,
+                            EC_KEY *eckey)
+{
+    if (eckey->meth->sign_sig != NULL)
+        return eckey->meth->sign_sig(dgst, dlen, kinv, rp, eckey);
+    ECerr(EC_F_ECDSA_DO_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
+    return NULL;
+}
+
+int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
+               *sig, unsigned int *siglen, EC_KEY *eckey)
+{
+    return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
+}
+
+int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen,
+                  unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv,
+                  const BIGNUM *r, EC_KEY *eckey)
+{
+    if (eckey->meth->sign != NULL)
+        return eckey->meth->sign(type, dgst, dlen, sig, siglen, kinv, r, eckey);
+    ECerr(EC_F_ECDSA_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
+    return 0;
+}
+
+int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
+                     BIGNUM **rp)
+{
+    if (eckey->meth->sign_setup != NULL)
+        return eckey->meth->sign_setup(eckey, ctx_in, kinvp, rp);
+    ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_OPERATION_NOT_SUPPORTED);
+    return 0;
+}