Constify some input parameters.

[openssl.git] / crypto / x509v3 / v3_skey.c

diff --git a/crypto/x509v3/v3_skey.c b/crypto/x509v3/v3_skey.c
index cf3521304d73468ec72fd98edd57e22b4357b89c..39597dc41d3fa3444ed32c1e63757dd056ef3e26 100644 (file)
--- a/crypto/x509v3/v3_skey.c
+++ b/crypto/x509v3/v3_skey.c
@@ -1,60 +1,10 @@
-/* v3_skey.c */
 /*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999 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
- *    licensing@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 1999-2016 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 <stdio.h>
@@ -74,13 +24,14 @@ const X509V3_EXT_METHOD v3_skey_id = {
     NULL
 };
 
-char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *oct)
+char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, 
+                            const ASN1_OCTET_STRING *oct)
 {
-    return hex_to_string(oct->data, oct->length);
+    return OPENSSL_buf2hexstr(oct->data, oct->length);
 }
 
 ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
-                                         X509V3_CTX *ctx, char *str)
+                                         X509V3_CTX *ctx, const char *str)
 {
     ASN1_OCTET_STRING *oct;
     long length;
@@ -90,7 +41,7 @@ ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
         return NULL;
     }
 
-    if ((oct->data = string_to_hex(str, &length)) == NULL) {
+    if ((oct->data = OPENSSL_hexstr2buf(str, &length)) == NULL) {
         ASN1_OCTET_STRING_free(oct);
         return NULL;
     }
@@ -105,7 +56,9 @@ static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method,
                                       X509V3_CTX *ctx, char *str)
 {
     ASN1_OCTET_STRING *oct;
-    ASN1_BIT_STRING *pk;
+    X509_PUBKEY *pubkey;
+    const unsigned char *pk;
+    int pklen;
     unsigned char pkey_dig[EVP_MAX_MD_SIZE];
     unsigned int diglen;
 
@@ -126,17 +79,18 @@ static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method,
     }
 
     if (ctx->subject_req)
-        pk = ctx->subject_req->req_info.pubkey->public_key;
+        pubkey = ctx->subject_req->req_info.pubkey;
     else
-        pk = ctx->subject_cert->cert_info.key->public_key;
+        pubkey = ctx->subject_cert->cert_info.key;
 
-    if (!pk) {
+    if (pubkey == NULL) {
         X509V3err(X509V3_F_S2I_SKEY_ID, X509V3_R_NO_PUBLIC_KEY);
         goto err;
     }
 
-    if (!EVP_Digest
-        (pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL))
+    X509_PUBKEY_get0_param(NULL, &pk, &pklen, NULL, pubkey);
+
+    if (!EVP_Digest(pk, pklen, pkey_dig, &diglen, EVP_sha1(), NULL))
         goto err;
 
     if (!ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) {