rawhash.c

来自「支持SSL v2/v3, TLS, PKCS #5, PKCS #7, PKCS」· C语言 代码 · 共 112 行

/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape security libraries.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1994-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#include "nspr.h"
#include "sechash.h"
#include "blapi.h"	/* below the line */


static void *
null_hash_new_context(void)
{
    return NULL;
}

static void *
null_hash_clone_context(void *v)
{
    PORT_Assert(v == NULL);
    return NULL;
}

static void
null_hash_begin(void *v)
{
}

static void
null_hash_update(void *v, const unsigned char *input, unsigned int length)
{
}

static void
null_hash_end(void *v, unsigned char *output, unsigned int *outLen,
	      unsigned int maxOut)
{
    *outLen = 0;
}

static void
null_hash_destroy_context(void *v, PRBool b)
{
    PORT_Assert(v == NULL);
}


SECHashObject SECRawHashObjects[] = {
  { 0,
    (void * (*)(void)) null_hash_new_context,
    (void * (*)(void *)) null_hash_clone_context,
    (void (*)(void *, PRBool)) null_hash_destroy_context,
    (void (*)(void *)) null_hash_begin,
    (void (*)(void *, const unsigned char *, unsigned int)) null_hash_update,
    (void (*)(void *, unsigned char *, unsigned int *,
	      unsigned int)) null_hash_end
  },
  { MD2_LENGTH,
    (void * (*)(void)) MD2_NewContext,
    (void * (*)(void *)) null_hash_clone_context,
    (void (*)(void *, PRBool)) MD2_DestroyContext,
    (void (*)(void *)) MD2_Begin,
    (void (*)(void *, const unsigned char *, unsigned int)) MD2_Update,
    (void (*)(void *, unsigned char *, unsigned int *, unsigned int)) MD2_End
  },
  { MD5_LENGTH,
    (void * (*)(void)) MD5_NewContext,
    (void * (*)(void *)) null_hash_clone_context,
    (void (*)(void *, PRBool)) MD5_DestroyContext,
    (void (*)(void *)) MD5_Begin,
    (void (*)(void *, const unsigned char *, unsigned int)) MD5_Update,
    (void (*)(void *, unsigned char *, unsigned int *, unsigned int)) MD5_End
  },
  { SHA1_LENGTH,
    (void * (*)(void)) SHA1_NewContext,
    (void * (*)(void *)) null_hash_clone_context,
    (void (*)(void *, PRBool)) SHA1_DestroyContext,
    (void (*)(void *)) SHA1_Begin,
    (void (*)(void *, const unsigned char *, unsigned int)) SHA1_Update,
    (void (*)(void *, unsigned char *, unsigned int *, unsigned int)) SHA1_End
  },
};