source/include/rmd160.h

0001 /*  $OpenBSD: rmd160.h,v 1.17 2012/12/05 23:19:57 deraadt Exp $ */
0002 /*
0003  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
0004  *
0005  * Redistribution and use in source and binary forms, with or without
0006  * modification, are permitted provided that the following conditions
0007  * are met:
0008  * 1. Redistributions of source code must retain the above copyright
0009  *    notice, this list of conditions and the following disclaimer.
0010  * 2. Redistributions in binary form must reproduce the above copyright
0011  *    notice, this list of conditions and the following disclaimer in the
0012  *    documentation and/or other materials provided with the distribution.
0013  *
0014  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
0015  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
0016  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
0017  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
0018  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
0019  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0020  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0021  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0022  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
0023  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0024  */
0025 #ifndef  _RMD160_H
0026 #define  _RMD160_H
0027
0028 #include <sys/types.h>
0029
0030 #include <stdint.h>
0031
0032 #define RMD160_BLOCK_LENGTH     64
0033 #define RMD160_DIGEST_LENGTH        20
0034 #define RMD160_DIGEST_STRING_LENGTH (RMD160_DIGEST_LENGTH * 2 + 1)
0035
0036 /* RMD160 context. */
0037 typedef struct RMD160Context {
0038     uint32_t state[5];          /* state */
0039     uint64_t count;             /* number of bits, mod 2^64 */
0040     uint8_t buffer[RMD160_BLOCK_LENGTH];    /* input buffer */
0041 } RMD160_CTX;
0042
0043 #ifdef __cplusplus
0044 extern "C" {
0045 #endif
0046
0047 void     RMD160Init(RMD160_CTX *);
0048 void     RMD160Transform(uint32_t [5], const uint8_t [RMD160_BLOCK_LENGTH]);
0049 void     RMD160Update(RMD160_CTX *, const uint8_t *, size_t);
0050 void     RMD160Pad(RMD160_CTX *);
0051 void     RMD160Final(uint8_t [RMD160_DIGEST_LENGTH], RMD160_CTX *);
0052 char    *RMD160End(RMD160_CTX *, char *);
0053 char    *RMD160File(const char *, char *);
0054 char    *RMD160FileChunk(const char *, char *, off_t, off_t);
0055 char    *RMD160Data(const uint8_t *, size_t, char *);
0056
0057 #ifdef __cplusplus
0058 }
0059 #endif
0060
0061 #endif  /* _RMD160_H */