Mercurial > hg > octave-kai > gnulib-hg
annotate lib/md4.h @ 17249:e542fd46ad6f
maint: update all copyright year number ranges
Run "make update-copyright". Compare to commit 1602f0a from last year.
Signed-off-by: Eric Blake <eblake@redhat.com>
| author | Eric Blake <eblake@redhat.com> |
|---|---|
| date | Tue, 01 Jan 2013 00:50:58 +0000 |
| parents | bb182ee4a09d |
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| rev | line source |
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| 6393 | 1 /* Declarations of functions and data types used for MD4 sum |
| 2 library functions. | |
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3 Copyright (C) 2000-2001, 2003, 2005, 2008-2013 Free Software Foundation, |
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4 Inc. |
| 6393 | 5 |
| 6 This program is free software; you can redistribute it and/or modify it | |
| 7 under the terms of the GNU General Public License as published by the | |
| 8 Free Software Foundation; either version 2, or (at your option) any | |
| 9 later version. | |
| 10 | |
| 11 This program is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
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17 along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
| 6393 | 18 |
| 19 #ifndef MD4_H | |
| 20 # define MD4_H 1 | |
| 21 | |
| 22 # include <stdio.h> | |
| 23 # include <stdint.h> | |
| 24 | |
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25 # ifdef __cplusplus |
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26 extern "C" { |
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27 # endif |
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28 |
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29 # define MD4_DIGEST_SIZE 16 |
| 6393 | 30 |
| 31 /* Structure to save state of computation between the single steps. */ | |
| 32 struct md4_ctx | |
| 33 { | |
| 34 uint32_t A; | |
| 35 uint32_t B; | |
| 36 uint32_t C; | |
| 37 uint32_t D; | |
| 38 | |
| 39 uint32_t total[2]; | |
| 40 uint32_t buflen; | |
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41 uint32_t buffer[32]; |
| 6393 | 42 }; |
| 43 | |
| 44 | |
| 45 /* Initialize structure containing state of computation. */ | |
| 46 extern void md4_init_ctx (struct md4_ctx *ctx); | |
| 47 | |
| 48 /* Starting with the result of former calls of this function (or the | |
| 49 initialization function update the context for the next LEN bytes | |
| 50 starting at BUFFER. | |
| 51 It is necessary that LEN is a multiple of 64!!! */ | |
| 52 extern void md4_process_block (const void *buffer, size_t len, | |
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53 struct md4_ctx *ctx); |
| 6393 | 54 |
| 55 /* Starting with the result of former calls of this function (or the | |
| 56 initialization function update the context for the next LEN bytes | |
| 57 starting at BUFFER. | |
| 58 It is NOT required that LEN is a multiple of 64. */ | |
| 59 extern void md4_process_bytes (const void *buffer, size_t len, | |
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60 struct md4_ctx *ctx); |
| 6393 | 61 |
| 62 /* Process the remaining bytes in the buffer and put result from CTX | |
| 63 in first 16 bytes following RESBUF. The result is always in little | |
| 64 endian byte order, so that a byte-wise output yields to the wanted | |
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65 ASCII representation of the message digest. */ |
| 6393 | 66 extern void *md4_finish_ctx (struct md4_ctx *ctx, void *resbuf); |
| 67 | |
| 68 | |
| 69 /* Put result from CTX in first 16 bytes following RESBUF. The result is | |
| 70 always in little endian byte order, so that a byte-wise output yields | |
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71 to the wanted ASCII representation of the message digest. */ |
| 6393 | 72 extern void *md4_read_ctx (const struct md4_ctx *ctx, void *resbuf); |
| 73 | |
| 74 | |
| 75 /* Compute MD4 message digest for bytes read from STREAM. The | |
| 76 resulting message digest number will be written into the 16 bytes | |
| 77 beginning at RESBLOCK. */ | |
| 78 extern int md4_stream (FILE * stream, void *resblock); | |
| 79 | |
| 80 /* Compute MD4 message digest for LEN bytes beginning at BUFFER. The | |
| 81 result is always in little endian byte order, so that a byte-wise | |
| 82 output yields to the wanted ASCII representation of the message | |
| 83 digest. */ | |
| 84 extern void *md4_buffer (const char *buffer, size_t len, void *resblock); | |
| 85 | |
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86 # ifdef __cplusplus |
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87 } |
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88 # endif |
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89 |
| 6393 | 90 #endif |