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PATH: opt / cpanel / ea-apr16 / include / apr-1

/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
/* NIST Secure Hash Algorithm
 * 	heavily modified by Uwe Hollerbach uh@alumni.caltech edu
 * 	from Peter C. Gutmann's implementation as found in
 * 	Applied Cryptography by Bruce Schneier
 * 	This code is hereby placed in the public domain
 */

#ifndef APR_SHA1_H
#define APR_SHA1_H

#include "apu.h"
#include "apr_general.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @file apr_sha1.h
 * @brief APR-UTIL SHA1 library
 */

/** size of the SHA1 DIGEST */
#define APR_SHA1_DIGESTSIZE 20

/**
 * Define the Magic String prefix that identifies a password as being
 * hashed using our algorithm.
 */
#define APR_SHA1PW_ID "{SHA}"

/** length of the SHA Password */
#define APR_SHA1PW_IDLEN 5

/** @see apr_sha1_ctx_t */
typedef struct apr_sha1_ctx_t apr_sha1_ctx_t;

/** 
 * SHA1 context structure
 */
struct apr_sha1_ctx_t {
    /** message digest */
    apr_uint32_t digest[5];
    /** 64-bit bit counts */
    apr_uint32_t count_lo, count_hi;
    /** SHA data buffer */
    apr_uint32_t data[16];
    /** unprocessed amount in data */
    int local;
};

/**
 * Provide a means to SHA1 crypt/encode a plaintext password in a way which
 * makes password file compatible with those commonly use in netscape web
 * and ldap installations.
 * @param clear The plaintext password
 * @param len The length of the plaintext password
 * @param out The encrypted/encoded password
 * @note SHA1 support is useful for migration purposes, but is less
 *     secure than Apache's password format, since Apache's (MD5)
 *     password format uses a random eight character salt to generate
 *     one of many possible hashes for the same password.  Netscape
 *     uses plain SHA1 without a salt, so the same password
 *     will always generate the same hash, making it easier
 *     to break since the search space is smaller.
 */
APU_DECLARE(void) apr_sha1_base64(const char *clear, int len, char *out);

/**
 * Initialize the SHA digest
 * @param context The SHA context to initialize
 */
APU_DECLARE(void) apr_sha1_init(apr_sha1_ctx_t *context);

/**
 * Update the SHA digest
 * @param context The SHA1 context to update
 * @param input The buffer to add to the SHA digest
 * @param inputLen The length of the input buffer
 */
APU_DECLARE(void) apr_sha1_update(apr_sha1_ctx_t *context, const char *input,
                                unsigned int inputLen);

/**
 * Update the SHA digest with binary data
 * @param context The SHA1 context to update
 * @param input The buffer to add to the SHA digest
 * @param inputLen The length of the input buffer
 */
APU_DECLARE(void) apr_sha1_update_binary(apr_sha1_ctx_t *context,
                                       const unsigned char *input,
                                       unsigned int inputLen);

/**
 * Finish computing the SHA digest
 * @param digest the output buffer in which to store the digest
 * @param context The context to finalize
 */
APU_DECLARE(void) apr_sha1_final(unsigned char digest[APR_SHA1_DIGESTSIZE],
                               apr_sha1_ctx_t *context);

#ifdef __cplusplus
}
#endif

#endif	/* APR_SHA1_H */

[-] apr_cstr.h [edit]
[-] apr_inherit.h [edit]
[-] apr_version.h [edit]
[-] apr_queue.h [edit]
[-] apr_xlate.h [edit]
[-] apr_sdbm.h [edit]
[-] apr_network_io.h [edit]
[-] apr_atomic.h [edit]
[-] apr_poll.h [edit]
[-] apr_fnmatch.h [edit]
[-] apr_pools.h [edit]
[-] apr_getopt.h [edit]
[-] apr_portable.h [edit]
[-] apr_proc_mutex.h [edit]
[+] ..
[-] apr_optional_hooks.h [edit]
[-] apr.h [edit]
[-] apr_ldap.h [edit]
[-] apr_ldap_url.h [edit]
[-] apr_ldap_init.h [edit]
[-] apr_file_io.h [edit]
[-] apr_encode.h [edit]
[-] apr_general.h [edit]
[-] apr_optional.h [edit]
[-] apr_time.h [edit]
[-] apr_mmap.h [edit]
[-] apr_memcache.h [edit]
[-] apr_thread_pool.h [edit]
[-] apr_errno.h [edit]
[-] apr_tables.h [edit]
[-] apr_random.h [edit]
[-] apr_strings.h [edit]
[-] apu_want.h [edit]
[-] apr_reslist.h [edit]
[-] apr_escape.h [edit]
[-] apr_base64.h [edit]
[-] apr_uri.h [edit]
[-] apr_strmatch.h [edit]
[-] apr_crypto.h [edit]
[-] apr_md5.h [edit]
[-] apr_xml.h [edit]
[-] apr_siphash.h [edit]
[-] apr_thread_mutex.h [edit]
[-] apr_redis.h [edit]
[-] apr_date.h [edit]
[-] apr_support.h [edit]
[-] apr_shm.h [edit]
[-] apr_uuid.h [edit]
[-] apu_version.h [edit]
[-] apr_sha1.h [edit]
[-] apr_rmm.h [edit]
[-] apr_dbm.h [edit]
[-] apr_thread_rwlock.h [edit]
[-] apr_hash.h [edit]
[-] apr_thread_proc.h [edit]
[-] apr-x86_64.h [edit]
[-] apr_lib.h [edit]
[-] apr_dso.h [edit]
[-] apr_user.h [edit]
[-] apr_global_mutex.h [edit]
[-] apr_allocator.h [edit]
[-] apr_file_info.h [edit]
[-] apr_anylock.h [edit]
[-] apu_errno.h [edit]
[-] apr_env.h [edit]
[-] apr_want.h [edit]
[-] apr_signal.h [edit]
[-] apr_hooks.h [edit]
[-] apr_buckets.h [edit]
[-] apr_ldap_rebind.h [edit]
[-] apr_thread_cond.h [edit]
[-] apr_md4.h [edit]
[-] apr_ring.h [edit]
[-] apr_skiplist.h [edit]
[-] apr_ldap_option.h [edit]
[-] apr_perms_set.h [edit]
[-] apu.h [edit]
[-] apr_dbd.h [edit]