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/home/dsummers/rpms/build/apr-util-0.9.5/include/apr_sha1.h

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/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
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 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * 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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