/usr/include/apr-1.0/apr_md5.h is in libaprutil1-dev 1.3.12+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Adopted for apr-util by Tollef Fog Heen <tfheen@err.no>
*/
/*
* This is an OpenSSL-compatible implementation of the RSA Data Security,
* Inc. MD5 Message-Digest Algorithm.
*
* Written by Solar Designer <solar@openwall.com> in 2001, and placed in
* the public domain. See md5.c for more information.
*/
/* Copyright 2000-2005 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.
*/
#ifndef APR_MD5_H
#define APR_MD5_H
#include "apu.h"
#include "apr_xlate.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file apr_md5.h
* @brief APR MD5 Routines
*/
/**
* @defgroup APR_MD5 MD5 Routines
* @ingroup APR
* @{
*/
/** The MD5 digest size */
#define APR_MD5_DIGESTSIZE 16
/** @see apr_md5_ctx_t */
typedef struct apr_md5_ctx_t apr_md5_ctx_t;
/** MD5 context. */
struct apr_md5_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];
/** translation handle
* ignored if xlate is unsupported
*/
apr_xlate_t *xlate;
};
/**
* MD5 Initialize. Begins an MD5 operation, writing a new context.
* @param context The MD5 context to initialize.
*/
APU_DECLARE(apr_status_t) apr_md5_init(apr_md5_ctx_t *context);
/**
* MD5 translation setup. Provides the APR translation handle to be used
* for translating the content before calculating the digest.
* @param context The MD5 content to set the translation for.
* @param xlate The translation handle to use for this MD5 context
*/
APU_DECLARE(apr_status_t) apr_md5_set_xlate(apr_md5_ctx_t *context,
apr_xlate_t *xlate);
/**
* MD5 block update operation. Continue an MD5 message-digest operation,
* processing another message block, and updating the context.
* @param context The MD5 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_md5_update(apr_md5_ctx_t *context,
const void *input,
apr_size_t inputLen);
/**
* MD5 finalization. Ends an MD5 message-digest operation, writing the
* message digest and zeroing the context
* @param digest The final MD5 digest
* @param context The MD5 content we are finalizing.
*/
APU_DECLARE(apr_status_t) apr_md5_final(unsigned char digest[APR_MD5_DIGESTSIZE],
apr_md5_ctx_t *context);
/**
* MD5 in one step
* @param digest The final MD5 digest
* @param input The message block to use
* @param inputLen The length of the message block
*/
APU_DECLARE(apr_status_t) apr_md5(unsigned char digest[APR_MD5_DIGESTSIZE],
const void *input,
apr_size_t inputLen);
/**
* Encode a password using an MD5 algorithm
* @param password The password to encode
* @param salt The salt to use for the encoding
* @param result The string to store the encoded password in
* @param nbytes The size of the result buffer
*/
APU_DECLARE(apr_status_t) apr_md5_encode(const char *password, const char *salt,
char *result, apr_size_t nbytes);
/**
* Validate hashes created by APR-supported algorithms: md5 and sha1.
* hashes created by crypt are supported only on platforms that provide
* crypt(3), so don't rely on that function unless you know that your
* application will be run only on platforms that support it. On platforms
* that don't support crypt(3), this falls back to a clear text string
* comparison.
* @param passwd The password to validate
* @param hash The password to validate against
*/
APU_DECLARE(apr_status_t) apr_password_validate(const char *passwd,
const char *hash);
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* !APR_MD5_H */
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