Mercurial > dropbear

annotate libtomcrypt/src/hashes/rmd128.c @ 615:e3ac0a426bd0

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Fix FD leak if connect() fails, found by Klocwork
author Matt Johnston <matt@ucc.asn.au>
date Thu, 07 Apr 2011 13:05:10 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 *
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9 * Tom St Denis, [email protected], http://libtomcrypt.com
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10 */
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11 #include "tomcrypt.h"
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12
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13 /**
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14 @param rmd128.c
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15 RMD128 Hash function
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16 */
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17
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18 /* Implementation of RIPEMD-128 based on the source by Antoon Bosselaers, ESAT-COSIC
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19 *
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20 * This source has been radically overhauled to be portable and work within
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21 * the LibTomCrypt API by Tom St Denis
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22 */
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23
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24 #ifdef RIPEMD128
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25
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26 const struct ltc_hash_descriptor rmd128_desc =
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27 {
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28 "rmd128",
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29 8,
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30 16,
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31 64,
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32
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33 /* OID */
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34 { 1, 0, 10118, 3, 0, 50 },
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35 6,
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36
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37 &rmd128_init,
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38 &rmd128_process,
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39 &rmd128_done,
382
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40 &rmd128_test,
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41 NULL
285
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42 };
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43
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44 /* the four basic functions F(), G() and H() */
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45 #define F(x, y, z) ((x) ^ (y) ^ (z))
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46 #define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
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47 #define H(x, y, z) (((x) | ~(y)) ^ (z))
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48 #define I(x, y, z) (((x) & (z)) | ((y) & ~(z)))
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49
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50 /* the eight basic operations FF() through III() */
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51 #define FF(a, b, c, d, x, s) \
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52 (a) += F((b), (c), (d)) + (x);\
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53 (a) = ROLc((a), (s));
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54
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55 #define GG(a, b, c, d, x, s) \
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56 (a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
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57 (a) = ROLc((a), (s));
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58
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59 #define HH(a, b, c, d, x, s) \
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60 (a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
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61 (a) = ROLc((a), (s));
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62
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63 #define II(a, b, c, d, x, s) \
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64 (a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
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65 (a) = ROLc((a), (s));
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66
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67 #define FFF(a, b, c, d, x, s) \
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68 (a) += F((b), (c), (d)) + (x);\
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69 (a) = ROLc((a), (s));
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70
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71 #define GGG(a, b, c, d, x, s) \
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72 (a) += G((b), (c), (d)) + (x) + 0x6d703ef3UL;\
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73 (a) = ROLc((a), (s));
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74
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75 #define HHH(a, b, c, d, x, s) \
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76 (a) += H((b), (c), (d)) + (x) + 0x5c4dd124UL;\
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77 (a) = ROLc((a), (s));
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