Mercurial > dropbear

annotate src/hashes/md4.c @ 390:d8e44bef7917 libtomcrypt-dropbear

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Replace // with /* */
author Matt Johnston <matt@ucc.asn.au>
date Thu, 11 Jan 2007 04:28:09 +0000
parents d5faf4814ddb
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
280
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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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
280
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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 md4.c
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15 Submitted by Dobes Vandermeer ([email protected])
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16 */
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17
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18 #ifdef MD4
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19
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20 const struct ltc_hash_descriptor md4_desc =
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21 {
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22 "md4",
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23 6,
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24 16,
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25 64,
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26
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27 /* OID */
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28 { 1, 2, 840, 113549, 2, 4, },
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29 6,
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30
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31 &md4_init,
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32 &md4_process,
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33 &md4_done,
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34 &md4_test,
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35 NULL
280
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36 };
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37
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38 #define S11 3
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39 #define S12 7
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40 #define S13 11
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41 #define S14 19
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42 #define S21 3
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43 #define S22 5
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44 #define S23 9
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45 #define S24 13
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46 #define S31 3
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47 #define S32 9
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48 #define S33 11
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49 #define S34 15
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50
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51 /* F, G and H are basic MD4 functions. */
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52 #define F(x, y, z) (z ^ (x & (y ^ z)))
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53 #define G(x, y, z) ((x & y) | (z & (x | y)))
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54 #define H(x, y, z) ((x) ^ (y) ^ (z))
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55
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56 /* ROTATE_LEFT rotates x left n bits. */
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57 #define ROTATE_LEFT(x, n) ROLc(x, n)
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58
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59 /* FF, GG and HH are transformations for rounds 1, 2 and 3 */
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60 /* Rotation is separate from addition to prevent recomputation */
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61
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62 #define FF(a, b, c, d, x, s) { \
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63 (a) += F ((b), (c), (d)) + (x); \
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64 (a) = ROTATE_LEFT ((a), (s)); \
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65 }
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66 #define GG(a, b, c, d, x, s) { \
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67 (a) += G ((b), (c), (d)) + (x) + 0x5a827999UL; \
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68 (a) = ROTATE_LEFT ((a), (s)); \
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69 }
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70 #define HH(a, b, c, d, x, s) { \
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71 (a) += H ((b), (c), (d)) + (x) + 0x6ed9eba1UL; \
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72 (a) = ROTATE_LEFT ((a), (s)); \
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73 }
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74
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75 #ifdef LTC_CLEAN_STACK
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76 static int _md4_compress(hash_state *md, unsigned char *buf)
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77 #else
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78 static int md4_compress(hash_state *md, unsigned char *buf)
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79 #endif
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80 {
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81 ulong32 x[16], a, b, c, d;
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82 int i;
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83
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84 /* copy state */
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85 a = md->md4.state[0];
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86 b = md->md4.state[1];
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87 c = md->md4.state[2];
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88 d = md->md4.state[3];
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89
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90 /* copy the state into 512-bits into W[0..15] */
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91 for (i = 0; i < 16; i++) {
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92 LOAD32L(x[i], buf + (4*i));
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93 }
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94
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95 /* Round 1 */
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96 FF (a, b, c, d, x[ 0], S11); /* 1 */
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97 FF (d, a, b, c, x[ 1], S12); /* 2 */
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98 FF (c, d, a, b, x[ 2], S13); /* 3 */
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99 FF (b, c, d, a, x[ 3], S14); /* 4 */
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100 FF (a, b, c, d, x[ 4], S11); /* 5 */
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101 FF (d, a, b, c, x[ 5], S12); /* 6 */
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102 FF (c, d, a, b, x[ 6], S13); /* 7 */
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103 FF (b, c, d, a, x[ 7], S14); /* 8 */
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104 FF (a, b, c, d, x[ 8], S11); /* 9 */
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105 FF (d, a, b, c, x[ 9], S12); /* 10 */
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106 FF (c, d, a, b, x[10], S13); /* 11 */
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107 FF (b, c, d, a, x[11], S14); /* 12 */
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108 FF (a, b, c, d, x[12], S11); /* 13 */
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109 FF (d, a, b, c, x[13], S12); /* 14 */
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110 FF (c, d, a, b, x[14], S13); /* 15 */
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111 FF (b, c, d, a, x[15], S14); /* 16 */
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112
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113 /* Round 2 */
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114 GG (a, b, c, d, x[ 0], S21); /* 17 */
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115 GG (d, a, b, c, x[ 4], S22); /* 18 */
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116 GG (c, d, a, b, x[ 8], S23); /* 19 */
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117 GG (b, c, d, a, x[12], S24); /* 20 */
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118 GG (a, b, c, d, x[ 1], S21); /* 21 */
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119 GG (d, a, b, c, x[ 5], S22); /* 22 */
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120 GG (c, d, a, b, x[ 9], S23); /* 23 */
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121 GG (b, c, d, a, x[13], S24); /* 24 */
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122 GG (a, b, c, d, x[ 2], S21); /* 25 */
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123 GG (d, a, b, c, x[ 6], S22); /* 26 */
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124 GG (c, d, a, b, x[10], S23); /* 27 */
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125 GG (b, c, d, a, x[14], S24); /* 28 */
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126 GG (a, b, c, d, x[ 3], S21); /* 29 */
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127 GG (d, a, b, c, x[ 7], S22); /* 30 */
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128 GG (c, d, a, b, x[11], S23); /* 31 */
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129 GG (b, c, d, a, x[15], S24); /* 32 */
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130
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131 /* Round 3 */
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132 HH (a, b, c, d, x[ 0], S31); /* 33 */
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133 HH (d, a, b, c, x[ 8], S32); /* 34 */
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134 HH (c, d, a, b, x[ 4], S33); /* 35 */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
135 HH (b, c, d, a, x[12], S34); /* 36 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
136 HH (a, b, c, d, x[ 2], S31); /* 37 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
137 HH (d, a, b, c, x[10], S32); /* 38 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
138 HH (c, d, a, b, x[ 6], S33); /* 39 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
139 HH (b, c, d, a, x[14], S34); /* 40 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
140 HH (a, b, c, d, x[ 1], S31); /* 41 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
141 HH (d, a, b, c, x[ 9], S32); /* 42 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
142 HH (c, d, a, b, x[ 5], S33); /* 43 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
143 HH (b, c, d, a, x[13], S34); /* 44 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
144 HH (a, b, c, d, x[ 3], S31); /* 45 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
145 HH (d, a, b, c, x[11], S32); /* 46 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
146 HH (c, d, a, b, x[ 7], S33); /* 47 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
147 HH (b, c, d, a, x[15], S34); /* 48 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
148
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
149
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
150 /* Update our state */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
151 md->md4.state[0] = md->md4.state[0] + a;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
152 md->md4.state[1] = md->md4.state[1] + b;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
153 md->md4.state[2] = md->md4.state[2] + c;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
154 md->md4.state[3] = md->md4.state[3] + d;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
155
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
156 return CRYPT_OK;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
157 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
158
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159 #ifdef LTC_CLEAN_STACK
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 static int md4_compress(hash_state *md, unsigned char *buf)
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
162 int err;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
163 err = _md4_compress(md, buf);
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 burn_stack(sizeof(ulong32) * 20 + sizeof(int));
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
165 return err;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
166 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167 #endif
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 /**
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
170 Initialize the hash state
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
171 @param md The hash state you wish to initialize
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
172 @return CRYPT_OK if successful
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
173 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
174 int md4_init(hash_state * md)
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
175 {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
176 LTC_ARGCHK(md != NULL);
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
177 md->md4.state[0] = 0x67452301UL;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
178 md->md4.state[1] = 0xefcdab89UL;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
179 md->md4.state[2] = 0x98badcfeUL;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
180 md->md4.state[3] = 0x10325476UL;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
181 md->md4.length = 0;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
182 md->md4.curlen = 0;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
183 return CRYPT_OK;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
184 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
185
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
186 /**
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187 Process a block of memory though the hash
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
188 @param md The hash state
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
189 @param in The data to hash
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
190 @param inlen The length of the data (octets)
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
191 @return CRYPT_OK if successful
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
192 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
193 HASH_PROCESS(md4_process, md4_compress, md4, 64)
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
194
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
195 /**
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
196 Terminate the hash to get the digest
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
197 @param md The hash state
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
198 @param out [out] The destination of the hash (16 bytes)
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
199 @return CRYPT_OK if successful
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
200 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
201 int md4_done(hash_state * md, unsigned char *out)
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
202 {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
203 int i;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
204
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205 LTC_ARGCHK(md != NULL);
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
206 LTC_ARGCHK(out != NULL);
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
207
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
208 if (md->md4.curlen >= sizeof(md->md4.buf)) {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
209 return CRYPT_INVALID_ARG;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
210 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
211
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
212 /* increase the length of the message */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
213 md->md4.length += md->md4.curlen * 8;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
214
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
215 /* append the '1' bit */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
216 md->md4.buf[md->md4.curlen++] = (unsigned char)0x80;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
217
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
218 /* if the length is currently above 56 bytes we append zeros
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
219 * then compress. Then we can fall back to padding zeros and length
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220 * encoding like normal.
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
221 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
222 if (md->md4.curlen > 56) {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
223 while (md->md4.curlen < 64) {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
224 md->md4.buf[md->md4.curlen++] = (unsigned char)0;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
225 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
226 md4_compress(md, md->md4.buf);
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
227 md->md4.curlen = 0;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
228 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
229
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
230 /* pad upto 56 bytes of zeroes */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
231 while (md->md4.curlen < 56) {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
232 md->md4.buf[md->md4.curlen++] = (unsigned char)0;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
233 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
234
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
235 /* store length */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
236 STORE64L(md->md4.length, md->md4.buf+56);
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
237 md4_compress(md, md->md4.buf);
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
238
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
239 /* copy output */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
240 for (i = 0; i < 4; i++) {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
241 STORE32L(md->md4.state[i], out+(4*i));
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
242 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
243 #ifdef LTC_CLEAN_STACK
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
244 zeromem(md, sizeof(hash_state));
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
245 #endif
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
246 return CRYPT_OK;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
247 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
249 /**
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
250 Self-test the hash
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
251 @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
252 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
253 int md4_test(void)
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
254 {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
255 #ifndef LTC_TEST
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256 return CRYPT_NOP;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
257 #else
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
258 static const struct md4_test_case {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
259 char *input;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
260 unsigned char digest[16];
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
261 } cases[] = {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
262 { "",
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
263 {0x31, 0xd6, 0xcf, 0xe0, 0xd1, 0x6a, 0xe9, 0x31,
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
264 0xb7, 0x3c, 0x59, 0xd7, 0xe0, 0xc0, 0x89, 0xc0} },
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
265 { "a",
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
266 {0xbd, 0xe5, 0x2c, 0xb3, 0x1d, 0xe3, 0x3e, 0x46,
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
267 0x24, 0x5e, 0x05, 0xfb, 0xdb, 0xd6, 0xfb, 0x24} },
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
268 { "abc",
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
269 {0xa4, 0x48, 0x01, 0x7a, 0xaf, 0x21, 0xd8, 0x52,
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
270 0x5f, 0xc1, 0x0a, 0xe8, 0x7a, 0xa6, 0x72, 0x9d} },
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
271 { "message digest",
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
272 {0xd9, 0x13, 0x0a, 0x81, 0x64, 0x54, 0x9f, 0xe8,
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
273 0x18, 0x87, 0x48, 0x06, 0xe1, 0xc7, 0x01, 0x4b} },
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Matt Johnston <matt@ucc.asn.au>
parents:
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274 { "abcdefghijklmnopqrstuvwxyz",
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Matt Johnston <matt@ucc.asn.au>
parents:
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275 {0xd7, 0x9e, 0x1c, 0x30, 0x8a, 0xa5, 0xbb, 0xcd,
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Matt Johnston <matt@ucc.asn.au>
parents:
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276 0xee, 0xa8, 0xed, 0x63, 0xdf, 0x41, 0x2d, 0xa9} },
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
277 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
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Matt Johnston <matt@ucc.asn.au>
parents:
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278 {0x04, 0x3f, 0x85, 0x82, 0xf2, 0x41, 0xdb, 0x35,
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Matt Johnston <matt@ucc.asn.au>
parents:
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279 0x1c, 0xe6, 0x27, 0xe1, 0x53, 0xe7, 0xf0, 0xe4} },
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Matt Johnston <matt@ucc.asn.au>
parents:
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280 { "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
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Matt Johnston <matt@ucc.asn.au>
parents:
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281 {0xe3, 0x3b, 0x4d, 0xdc, 0x9c, 0x38, 0xf2, 0x19,
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
282 0x9c, 0x3e, 0x7b, 0x16, 0x4f, 0xcc, 0x05, 0x36} },
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Matt Johnston <matt@ucc.asn.au>
parents:
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283 };
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
284 int i;
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Matt Johnston <matt@ucc.asn.au>
parents:
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285 hash_state md;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
286 unsigned char digest[16];
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
287
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
288 for(i = 0; i < (int)(sizeof(cases) / sizeof(cases[0])); i++) {
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
289 md4_init(&md);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
290 md4_process(&md, (unsigned char *)cases[i].input, (unsigned long)strlen(cases[i].input));
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
291 md4_done(&md, digest);
380
d5faf4814ddb Update to LibTomCrypt 1.16
Matt Johnston <matt@ucc.asn.au>
parents: 280
diff changeset
292 if (XMEMCMP(digest, cases[i].digest, 16) != 0) {
280
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
293 return CRYPT_FAIL_TESTVECTOR;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
294 }
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
295
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
296 }
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
297 return CRYPT_OK;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
298 #endif
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
299 }
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Matt Johnston <matt@ucc.asn.au>
parents:
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300
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
301 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
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302
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
303
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
304
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
305 /* $Source: /cvs/libtom/libtomcrypt/src/hashes/md4.c,v $ */
380
d5faf4814ddb Update to LibTomCrypt 1.16
Matt Johnston <matt@ucc.asn.au>
parents: 280
diff changeset
306 /* $Revision: 1.8 $ */
d5faf4814ddb Update to LibTomCrypt 1.16
Matt Johnston <matt@ucc.asn.au>
parents: 280
diff changeset
307 /* $Date: 2006/11/01 09:28:17 $ */