include/apr_sha1.h

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/* 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

#define APR_SHA1_DIGESTSIZE 20

#define APR_SHA1PW_ID "{SHA}"

#define APR_SHA1PW_IDLEN 5

typedef struct apr_sha1_ctx_t apr_sha1_ctx_t;

struct apr_sha1_ctx_t {
    apr_uint32_t digest[5];
    apr_uint32_t count_lo, count_hi;
    apr_uint32_t data[16];
    int local;
};

APU_DECLARE(void) apr_sha1_base64(const char *clear, int len, char *out);

APU_DECLARE(void) apr_sha1_init(apr_sha1_ctx_t *context);

APU_DECLARE(void) apr_sha1_update(apr_sha1_ctx_t *context, const char *input,
                                unsigned int inputLen);

APU_DECLARE(void) apr_sha1_update_binary(apr_sha1_ctx_t *context,
                                       const unsigned char *input,
                                       unsigned int inputLen);

APU_DECLARE(void) apr_sha1_final(unsigned char digest[APR_SHA1_DIGESTSIZE],
                               apr_sha1_ctx_t *context);

#ifdef __cplusplus
}
#endif

#endif  /* APR_SHA1_H */

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