include/apr_md4.h

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/* Copyright 2001-2005 The Apache Software Foundation or its licensors, as
 * applicable.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/* This is derived from material copyright RSA Data Security, Inc.
 * Their notice is reproduced below in its entirety.
 *
 * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
 * rights reserved.
 *
 * License to copy and use this software is granted provided that it
 * is identified as the "RSA Data Security, Inc. MD4 Message-Digest
 * Algorithm" in all material mentioning or referencing this software
 * or this function.
 *
 * License is also granted to make and use derivative works provided
 * that such works are identified as "derived from the RSA Data
 * Security, Inc. MD4 Message-Digest Algorithm" in all material
 * mentioning or referencing the derived work.
 *
 * RSA Data Security, Inc. makes no representations concerning either
 * the merchantability of this software or the suitability of this
 * software for any particular purpose. It is provided "as is"
 * without express or implied warranty of any kind.
 *
 * These notices must be retained in any copies of any part of this
 * documentation and/or software.
 */

#ifndef APR_MD4_H
#define APR_MD4_H

#include "apu.h"
#include "apr_xlate.h"
#ifdef __cplusplus
extern "C" {
#endif

#define APR_MD4_DIGESTSIZE 16

typedef struct apr_md4_ctx_t apr_md4_ctx_t;

struct apr_md4_ctx_t {
    apr_uint32_t state[4];
    apr_uint32_t count[2];
    unsigned char buffer[64];
#if APR_HAS_XLATE

    apr_xlate_t *xlate;
#endif
};

APU_DECLARE(apr_status_t) apr_md4_init(apr_md4_ctx_t *context);

#if APR_HAS_XLATE

APU_DECLARE(apr_status_t) apr_md4_set_xlate(apr_md4_ctx_t *context,
                                            apr_xlate_t *xlate);
#else
#define apr_md4_set_xlate(context, xlate) APR_ENOTIMPL
#endif

APU_DECLARE(apr_status_t) apr_md4_update(apr_md4_ctx_t *context,
                                         const unsigned char *input,
                                         apr_size_t inputLen);

APU_DECLARE(apr_status_t) apr_md4_final(
                                    unsigned char digest[APR_MD4_DIGESTSIZE],
                                    apr_md4_ctx_t *context);

APU_DECLARE(apr_status_t) apr_md4(unsigned char digest[APR_MD4_DIGESTSIZE],
                                  const unsigned char *input,
                                  apr_size_t inputLen);

#ifdef __cplusplus
}
#endif

#endif /* !APR_MD4_H */