X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fec%2Fecdsa_sign.c;h=dc79c8c8e3dffa73a19108eab2fd1f00e4224353;hb=c855c9c05ad5e5d3cbc7bb282b483c698e90f8ec;hp=5a45454e8901026c83094a051f37e3ce3236cb1d;hpb=bd3602eb8948dcd3a03cb56fbfa80bb4ac569cdb;p=oweals%2Fopenssl.git

diff --git a/crypto/ec/ecdsa_sign.c b/crypto/ec/ecdsa_sign.c
index 5a45454e89..dc79c8c8e3 100644
--- a/crypto/ec/ecdsa_sign.c
+++ b/crypto/ec/ecdsa_sign.c
@@ -1,64 +1,15 @@
-/* crypto/ec/ecdsa_sign.c */
-/* ====================================================================
- * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * 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"
-#ifndef OPENSSL_NO_ENGINE
-# include <openssl/engine.h>
-#endif
-#include <openssl/rand.h>
+#include <openssl/ec.h>
+#include "ec_local.h"
+#include <openssl/err.h>
 
 ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
 {
@@ -69,8 +20,9 @@ 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)
+    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;
 }
 
@@ -80,26 +32,21 @@ int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
     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,
+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)
 {
-    ECDSA_SIG *s;
-    RAND_seed(dgst, dlen);
-    s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
-    if (s == NULL) {
-        *siglen = 0;
-        return 0;
-    }
-    *siglen = i2d_ECDSA_SIG(s, &sig);
-    ECDSA_SIG_free(s);
-    return 1;
+    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)
+    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;
 }