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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" /** * @file apr_md4.h * @brief APR-UTIL MD4 Library */ #ifdef __cplusplus extern "C" { #endif /** * @defgroup APR_Util_MD4 MD4 Library * @ingroup APR_Util * @{ */ /** The digestsize for MD4 */ #define APR_MD4_DIGESTSIZE 16 /** @see apr_md4_ctx_t */ typedef struct apr_md4_ctx_t apr_md4_ctx_t; /** MD4 context. */ struct apr_md4_ctx_t { /** state (ABCD) */ apr_uint32_t state[4]; /** number of bits, modulo 2^64 (lsb first) */ apr_uint32_t count[2]; /** input buffer */ unsigned char buffer[64]; #if APR_HAS_XLATE /** translation handle */ apr_xlate_t *xlate; #endif }; /** * MD4 Initialize. Begins an MD4 operation, writing a new context. * @param context The MD4 context to initialize. */ APU_DECLARE(apr_status_t) apr_md4_init(apr_md4_ctx_t *context); #if APR_HAS_XLATE /** * MDr4 translation setup. Provides the APR translation handle to be used * for translating the content before calculating the digest. * @param context The MD4 content to set the translation for. * @param xlate The translation handle to use for this MD4 context */ 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 /** * MD4 block update operation. Continue an MD4 message-digest operation, * processing another message block, and updating the context. * @param context The MD4 content to update. * @param input next message block to update * @param inputLen The length of the next message block */ APU_DECLARE(apr_status_t) apr_md4_update(apr_md4_ctx_t *context, const unsigned char *input, apr_size_t inputLen); /** * MD4 finalization. Ends an MD4 message-digest operation, writing the * message digest and zeroing the context * @param digest The final MD4 digest * @param context The MD4 content we are finalizing. */ APU_DECLARE(apr_status_t) apr_md4_final( unsigned char digest[APR_MD4_DIGESTSIZE], apr_md4_ctx_t *context); /** * MD4 digest computation * @param digest The MD4 digest * @param input message block to use * @param inputLen The length of the message block */ 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 */