// This is mozilla/security/manager/ssl/src/md4.h, CVS rev. 1.1, with trivial
// changes to port it to our source tree.
//
// WARNING: MD4 is cryptographically weak.  Do not use MD4 except in NTLM
// authentication.

/* vim:set ts=2 sw=2 et cindent: */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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 Mozilla.
 *
 * The Initial Developer of the Original Code is IBM Corporation.
 * Portions created by IBM Corporation are Copyright (C) 2003
 * IBM Corporation. All Rights Reserved.
 *
 * Contributor(s):
 *   Darin Fisher <darin@meer.net>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * ***** END LICENSE BLOCK ***** */

#ifndef NET_HTTP_MD4_H_
#define NET_HTTP_MD4_H_
#pragma once

#include "base/basictypes.h"

namespace net {
namespace weak_crypto {

/**
 * MD4Sum - computes the MD4 sum over the input buffer per RFC 1320
 *
 * @param input
 *        buffer containing input data
 * @param inputLen
 *        length of input buffer (number of bytes)
 * @param result
 *        16-byte buffer that will contain the MD4 sum upon return
 *
 * NOTE: MD4 is superceded by MD5.  do not use MD4 unless required by the
 * protocol you are implementing (e.g., NTLM requires MD4).
 *
 * NOTE: this interface is designed for relatively small buffers.  A streaming
 * interface would make more sense if that were a requirement.  Currently, this
 * is good enough for the applications we care about.
 */
void MD4Sum(const uint8 *input, uint32 inputLen, uint8 *result);

}  // namespace net::weak_crypto
}  // namespace net

#endif  // NET_HTTP_MD4_H_