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usr
include
apr-1
apr_md4.h
Go to the documentation of this file.
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/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* This is derived from material copyright RSA Data Security, Inc.
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* Their notice is reproduced below in its entirety.
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*
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* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
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* rights reserved.
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*
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* License to copy and use this software is granted provided that it
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* is identified as the "RSA Data Security, Inc. MD4 Message-Digest
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* Algorithm" in all material mentioning or referencing this software
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* or this function.
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*
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* License is also granted to make and use derivative works provided
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* that such works are identified as "derived from the RSA Data
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* Security, Inc. MD4 Message-Digest Algorithm" in all material
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* mentioning or referencing the derived work.
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*
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* RSA Data Security, Inc. makes no representations concerning either
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* the merchantability of this software or the suitability of this
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* software for any particular purpose. It is provided "as is"
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* without express or implied warranty of any kind.
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*
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* These notices must be retained in any copies of any part of this
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* documentation and/or software.
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*/
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#ifndef APR_MD4_H
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#define APR_MD4_H
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#include "apu.h"
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#include "
apr_xlate.h
"
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/**
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* @file apr_md4.h
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* @brief APR-UTIL MD4 Library
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*/
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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/**
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* @defgroup APR_Util_MD4 MD4 Library
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* @ingroup APR_Util
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* @{
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*/
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/** The digestsize for MD4 */
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#define APR_MD4_DIGESTSIZE 16
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/** @see apr_md4_ctx_t */
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typedef
struct
apr_md4_ctx_t
apr_md4_ctx_t
;
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/** MD4 context. */
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struct
apr_md4_ctx_t
{
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/** state (ABCD) */
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apr_uint32_t
state
[4];
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/** number of bits, modulo 2^64 (lsb first) */
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apr_uint32_t
count
[2];
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/** input buffer */
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unsigned
char
buffer
[64];
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#if APR_HAS_XLATE
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/** translation handle */
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apr_xlate_t
*
xlate
;
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#endif
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};
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/**
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* MD4 Initialize. Begins an MD4 operation, writing a new context.
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* @param context The MD4 context to initialize.
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*/
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APU_DECLARE(
apr_status_t
)
apr_md4_init
(
apr_md4_ctx_t
*context);
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#if APR_HAS_XLATE
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/**
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* MDr4 translation setup. Provides the APR translation handle to be used
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* for translating the content before calculating the digest.
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* @param context The MD4 content to set the translation for.
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* @param xlate The translation handle to use for this MD4 context
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*/
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APU_DECLARE(
apr_status_t
)
apr_md4_set_xlate
(
apr_md4_ctx_t
*context,
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apr_xlate_t
*xlate);
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#else
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#define apr_md4_set_xlate(context, xlate) APR_ENOTIMPL
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#endif
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/**
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* MD4 block update operation. Continue an MD4 message-digest operation,
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* processing another message block, and updating the context.
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* @param context The MD4 content to update.
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* @param input next message block to update
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* @param inputLen The length of the next message block
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*/
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APU_DECLARE(
apr_status_t
)
apr_md4_update
(
apr_md4_ctx_t
*context,
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const
unsigned
char
*input,
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apr_size_t inputLen);
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/**
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* MD4 finalization. Ends an MD4 message-digest operation, writing the
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* message digest and zeroing the context
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* @param digest The final MD4 digest
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* @param context The MD4 content we are finalizing.
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*/
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APU_DECLARE(
apr_status_t
)
apr_md4_final
(
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unsigned
char
digest[
APR_MD4_DIGESTSIZE
],
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apr_md4_ctx_t
*context);
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/**
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* MD4 digest computation
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* @param digest The MD4 digest
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* @param input message block to use
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* @param inputLen The length of the message block
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*/
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APU_DECLARE(
apr_status_t
)
apr_md4
(
unsigned
char
digest[APR_MD4_DIGESTSIZE],
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const
unsigned
char
*input,
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apr_size_t inputLen);
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif
/* !APR_MD4_H */
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