New upstream version 15.3

[efi-boot-shim.git] / Cryptlib / OpenSSL / crypto / pem / pem_sign.c

diff --git a/Cryptlib/OpenSSL/crypto/pem/pem_sign.c b/Cryptlib/OpenSSL/crypto/pem/pem_sign.c
index 12ad97450a3f88c3c908db546cf256e2c09520b7..b5e5c29b0ea896f34d446035aa94fca8c1e1c789 100644 (file)
--- a/Cryptlib/OpenSSL/crypto/pem/pem_sign.c
+++ b/Cryptlib/OpenSSL/crypto/pem/pem_sign.c
@@ -1,27 +1,77 @@
-/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+/* crypto/pem/pem_sign.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * 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
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
  */
 
 #include <stdio.h>
-#include "internal/cryptlib.h"
+#include "cryptlib.h"
+#include <openssl/rand.h>
 #include <openssl/evp.h>
 #include <openssl/objects.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
 
-int PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type)
+void PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type)
 {
-    return EVP_DigestInit_ex(ctx, type, NULL);
+    EVP_DigestInit_ex(ctx, type, NULL);
 }
 
-int PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, unsigned int count)
+void PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, unsigned int count)
 {
-    return EVP_DigestUpdate(ctx, data, count);
+    EVP_DigestUpdate(ctx, data, count);
 }
 
 int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
@@ -31,7 +81,7 @@ int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
     int i, ret = 0;
     unsigned int m_len;
 
-    m = OPENSSL_malloc(EVP_PKEY_size(pkey) + 2);
+    m = (unsigned char *)OPENSSL_malloc(EVP_PKEY_size(pkey) + 2);
     if (m == NULL) {
         PEMerr(PEM_F_PEM_SIGNFINAL, ERR_R_MALLOC_FAILURE);
         goto err;
@@ -45,6 +95,7 @@ int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
     ret = 1;
  err:
     /* ctx has been zeroed by EVP_SignFinal() */
-    OPENSSL_free(m);
+    if (m != NULL)
+        OPENSSL_free(m);
     return (ret);
 }