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1 /*- |
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2 * Copyright (c) 2001-2003 Allan Saddi <allan@saddi.com> |
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3 * All rights reserved. |
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4 * |
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5 * Redistribution and use in source and binary forms, with or without |
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6 * modification, are permitted provided that the following conditions |
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7 * are met: |
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8 * 1. Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * 2. Redistributions in binary form must reproduce the above copyright |
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11 * notice, this list of conditions and the following disclaimer in the |
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12 * documentation and/or other materials provided with the distribution. |
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13 * |
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14 * THIS SOFTWARE IS PROVIDED BY ALLAN SADDI AND HIS CONTRIBUTORS ``AS IS'' |
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15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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17 * ARE DISCLAIMED. IN NO EVENT SHALL ALLAN SADDI OR HIS CONTRIBUTORS BE |
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18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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24 * POSSIBILITY OF SUCH DAMAGE. |
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25 * |
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26 * $Id: sha1.h 347 2003-02-23 22:11:49Z asaddi $ |
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27 */ |
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28 |
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29 #ifndef _SHA1_H |
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30 #define _SHA1_H |
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31 |
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32 # include <inttypes.h> |
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33 |
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34 #define SHA1_HASH_SIZE 20 |
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35 |
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36 /* Hash size in 32-bit words */ |
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37 #define SHA1_HASH_WORDS 5 |
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38 |
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39 struct _SHA1Context { |
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40 uint64_t totalLength; |
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41 uint32_t hash[SHA1_HASH_WORDS]; |
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42 uint32_t bufferLength; |
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43 union { |
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44 uint32_t words[16]; |
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45 uint8_t bytes[64]; |
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46 } buffer; |
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47 #ifdef RUNTIME_ENDIAN |
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48 int littleEndian; |
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49 #endif /* RUNTIME_ENDIAN */ |
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50 }; |
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51 |
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52 typedef struct _SHA1Context SHA1Context; |
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53 |
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54 #ifdef __cplusplus |
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55 extern "C" { |
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56 #endif |
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57 |
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58 void SHA1Init (SHA1Context *sc); |
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59 void SHA1Update (SHA1Context *sc, const void *data, uint32_t len); |
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60 void SHA1Final (SHA1Context *sc, uint8_t hash[SHA1_HASH_SIZE]); |
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61 |
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62 #ifdef __cplusplus |
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63 } |
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64 #endif |
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65 |
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66 #endif /* _SHA1_H */ |