golden hour

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

File/Folder	Size	Actions
apr-x86_64.h	17.91 KB
apr.h	636 B
apr_allocator.h	6.07 KB
apr_anylock.h	4.93 KB
apr_atomic.h	6.04 KB
apr_base64.h	3.75 KB
apr_buckets.h	63.15 KB
apr_crypto.h	19.68 KB
apr_cstr.h	11.13 KB
apr_date.h	3.47 KB
apr_dbd.h	23.35 KB
apr_dbm.h	8.4 KB
apr_dso.h	2.64 KB
apr_encode.h	30.35 KB
apr_env.h	2.06 KB
apr_errno.h	53.77 KB
apr_escape.h	17.23 KB
apr_file_info.h	17.17 KB
apr_file_io.h	42.88 KB
apr_fnmatch.h	6.08 KB
apr_general.h	7.34 KB
apr_getopt.h	5.84 KB
apr_global_mutex.h	7.19 KB
apr_hash.h	10.08 KB
apr_hooks.h	12.36 KB
apr_inherit.h	2.09 KB
apr_ldap.h	5.57 KB
apr_ldap_init.h	5.64 KB
apr_ldap_option.h	8.4 KB
apr_ldap_rebind.h	3.09 KB
apr_ldap_url.h	3.71 KB
apr_lib.h	8.23 KB
apr_md4.h	4.42 KB
apr_md5.h	6.2 KB
apr_memcache.h	16.82 KB
apr_mmap.h	5.01 KB
apr_network_io.h	36.02 KB
apr_optional.h	2.71 KB
apr_optional_hooks.h	3.78 KB
apr_perms_set.h	1.86 KB
apr_poll.h	20.6 KB
apr_pools.h	30.94 KB
apr_portable.h	20.02 KB
apr_proc_mutex.h	6.85 KB
apr_queue.h	3.98 KB
apr_random.h	4.92 KB
apr_redis.h	15.62 KB
apr_reslist.h	7.01 KB
apr_ring.h	18.78 KB
apr_rmm.h	4.67 KB
apr_sdbm.h	5.97 KB
apr_sha1.h	3.79 KB
apr_shm.h	9.26 KB
apr_signal.h	2.7 KB
apr_siphash.h	6.01 KB
apr_skiplist.h	14.19 KB
apr_strings.h	14.55 KB
apr_strmatch.h	2.61 KB
apr_support.h	1.6 KB
apr_tables.h	18.9 KB
apr_thread_cond.h	5.4 KB
apr_thread_mutex.h	4.39 KB
apr_thread_pool.h	10.84 KB
apr_thread_proc.h	36.8 KB
apr_thread_rwlock.h	4.65 KB
apr_time.h	7.39 KB
apr_uri.h	6.43 KB
apr_user.h	5.19 KB
apr_uuid.h	2.05 KB
apr_version.h	5.22 KB
apr_want.h	2.89 KB
apr_xlate.h	6.26 KB
apr_xml.h	12.19 KB
apu.h	4.22 KB
apu_errno.h	5.32 KB
apu_version.h	4.2 KB
apu_want.h	1.45 KB

Edit: apr_sha1.h

/* 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 */