Rework build: add special cases for AIX

[openssl.git] / crypto / ec / ecdh_kdf.c

diff --git a/crypto/ec/ecdh_kdf.c b/crypto/ec/ecdh_kdf.c
index 8bb141e035b1c150ef72ec5444ffb24380a46d4b..f2af38a245eecfaaacb3f31d068da4aa7dae4f23 100644 (file)
--- a/crypto/ec/ecdh_kdf.c
+++ b/crypto/ec/ecdh_kdf.c
@@ -1,65 +1,22 @@
-/* crypto/ec/ecdh_kdf.c */
 /*
- * Written by Stephen Henson for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 2013 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/)"
+ * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * 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.
- * ====================================================================
+ * Licensed under the Apache License 2.0 (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 <string.h>
 #include <openssl/ec.h>
 #include <openssl/evp.h>
+#include "ec_lcl.h"
 
-/* Key derivation function from X9.62/SECG */
+/* Key derivation function from X9.63/SECG */
 /* Way more than we will ever need */
 #define ECDH_KDF_MAX    (1 << 30)
 
-int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
+int ecdh_KDF_X9_63(unsigned char *out, size_t outlen,
                    const unsigned char *Z, size_t Zlen,
                    const unsigned char *sinfo, size_t sinfolen,
                    const EVP_MD *md)
@@ -78,7 +35,8 @@ int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
     mdlen = EVP_MD_size(md);
     for (i = 1;; i++) {
         unsigned char mtmp[EVP_MAX_MD_SIZE];
-        EVP_DigestInit_ex(mctx, md, NULL);
+        if (!EVP_DigestInit_ex(mctx, md, NULL))
+            goto err;
         ctr[3] = i & 0xFF;
         ctr[2] = (i >> 8) & 0xFF;
         ctr[1] = (i >> 16) & 0xFF;
@@ -109,3 +67,17 @@ int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
     EVP_MD_CTX_free(mctx);
     return rv;
 }
+
+/*-
+ * The old name for ecdh_KDF_X9_63
+ * Retained for ABI compatibility
+ */
+#if !OPENSSL_API_3
+int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
+                   const unsigned char *Z, size_t Zlen,
+                   const unsigned char *sinfo, size_t sinfolen,
+                   const EVP_MD *md)
+{
+    return ecdh_KDF_X9_63(out, outlen, Z, Zlen, sinfo, sinfolen, md);
+}
+#endif