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4349 | Serge | 1 | /* |
2 | * Copyright (C) 2007 Michael Niedermayer |
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3 | * Copyright (C) 2013 James Almer |
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4 | * |
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5 | * This file is part of FFmpeg. |
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6 | * |
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7 | * FFmpeg is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU Lesser General Public |
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9 | * License as published by the Free Software Foundation; either |
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10 | * version 2.1 of the License, or (at your option) any later version. |
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11 | * |
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12 | * FFmpeg is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | * Lesser General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU Lesser General Public |
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18 | * License along with FFmpeg; if not, write to the Free Software |
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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20 | */ |
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21 | |||
22 | #include |
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23 | |||
24 | #include "attributes.h" |
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25 | #include "avutil.h" |
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26 | #include "bswap.h" |
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27 | #include "intreadwrite.h" |
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28 | #include "ripemd.h" |
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29 | #include "mem.h" |
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30 | |||
31 | /** hash context */ |
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32 | typedef struct AVRIPEMD { |
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33 | uint8_t digest_len; ///< digest length in 32-bit words |
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34 | uint64_t count; ///< number of bytes in buffer |
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35 | uint8_t buffer[64]; ///< 512-bit buffer of input values used in hash updating |
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36 | uint32_t state[10]; ///< current hash value |
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37 | uint8_t ext; ///< extension (0 for 128 and 160, 1 for 256 and 320) |
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38 | /** function used to update hash for 512-bit input block */ |
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39 | void (*transform)(uint32_t *state, const uint8_t buffer[64], int ext); |
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40 | } AVRIPEMD; |
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41 | |||
42 | const int av_ripemd_size = sizeof(AVRIPEMD); |
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43 | |||
44 | struct AVRIPEMD *av_ripemd_alloc(void) |
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45 | { |
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46 | return av_mallocz(sizeof(struct AVRIPEMD)); |
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47 | } |
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48 | |||
49 | static const uint32_t KA[4] = { |
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50 | 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xa953fd4e |
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51 | }; |
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52 | |||
53 | static const uint32_t KB[4] = { |
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54 | 0x50a28be6, 0x5c4dd124, 0x6d703ef3, 0x7a6d76e9 |
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55 | }; |
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56 | |||
57 | static const int ROTA[80] = { |
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58 | 11, 14, 15, 12, 5, 8, 7 , 9, 11, 13, 14, 15, 6, 7, 9, 8, |
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59 | 7 , 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12, |
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60 | 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5, |
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61 | 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12, |
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62 | 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 |
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63 | }; |
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64 | |||
65 | static const int ROTB[80] = { |
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66 | 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, |
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67 | 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, |
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68 | 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, |
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69 | 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8, |
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70 | 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 |
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71 | }; |
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72 | |||
73 | static const int WA[80] = { |
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74 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
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75 | 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8, |
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76 | 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12, |
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77 | 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, |
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78 | 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13 |
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79 | }; |
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80 | |||
81 | static const int WB[80] = { |
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82 | 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, |
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83 | 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2, |
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84 | 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13, |
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85 | 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, |
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86 | 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11 |
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87 | }; |
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88 | |||
89 | #define rol(value, bits) ((value << bits) | (value >> (32 - bits))) |
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90 | |||
91 | #define SWAP(a,b) if (ext) { t = a; a = b; b = t; } |
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92 | |||
93 | #define ROUND128_0_TO_15(a,b,c,d,e,f,g,h) \ |
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94 | a = rol(a + (( b ^ c ^ d) + block[WA[n]]), ROTA[n]); \ |
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95 | e = rol(e + ((((f ^ g) & h) ^ g) + block[WB[n]] + KB[0]), ROTB[n]); \ |
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96 | n++ |
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97 | |||
98 | #define ROUND128_16_TO_31(a,b,c,d,e,f,g,h) \ |
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99 | a = rol(a + ((((c ^ d) & b) ^ d) + block[WA[n]] + KA[0]), ROTA[n]); \ |
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100 | e = rol(e + (((~g | f) ^ h) + block[WB[n]] + KB[1]), ROTB[n]); \ |
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101 | n++ |
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102 | |||
103 | #define ROUND128_32_TO_47(a,b,c,d,e,f,g,h) \ |
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104 | a = rol(a + (((~c | b) ^ d) + block[WA[n]] + KA[1]), ROTA[n]); \ |
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105 | e = rol(e + ((((g ^ h) & f) ^ h) + block[WB[n]] + KB[2]), ROTB[n]); \ |
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106 | n++ |
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107 | |||
108 | #define ROUND128_48_TO_63(a,b,c,d,e,f,g,h) \ |
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109 | a = rol(a + ((((b ^ c) & d) ^ c) + block[WA[n]] + KA[2]), ROTA[n]); \ |
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110 | e = rol(e + (( f ^ g ^ h) + block[WB[n]]), ROTB[n]); \ |
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111 | n++ |
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112 | |||
113 | static void ripemd128_transform(uint32_t *state, const uint8_t buffer[64], int ext) |
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114 | { |
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115 | uint32_t a, b, c, d, e, f, g, h, t; |
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116 | uint32_t block[16]; |
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117 | int n; |
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118 | |||
119 | if (ext) { |
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120 | a = state[0]; b = state[1]; c = state[2]; d = state[3]; |
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121 | e = state[4]; f = state[5]; g = state[6]; h = state[7]; |
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122 | } else { |
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123 | a = e = state[0]; |
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124 | b = f = state[1]; |
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125 | c = g = state[2]; |
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126 | d = h = state[3]; |
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127 | } |
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128 | |||
129 | for (n = 0; n < 16; n++) |
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130 | block[n] = AV_RL32(buffer + 4 * n); |
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131 | n = 0; |
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132 | |||
133 | #if CONFIG_SMALL |
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134 | for (; n < 16;) { |
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135 | ROUND128_0_TO_15(a,b,c,d,e,f,g,h); |
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136 | t = d; d = c; c = b; b = a; a = t; |
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137 | t = h; h = g; g = f; f = e; e = t; |
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138 | } |
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139 | SWAP(a,e) |
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140 | |||
141 | for (; n < 32;) { |
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142 | ROUND128_16_TO_31(a,b,c,d,e,f,g,h); |
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143 | t = d; d = c; c = b; b = a; a = t; |
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144 | t = h; h = g; g = f; f = e; e = t; |
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145 | } |
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146 | SWAP(b,f) |
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147 | |||
148 | for (; n < 48;) { |
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149 | ROUND128_32_TO_47(a,b,c,d,e,f,g,h); |
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150 | t = d; d = c; c = b; b = a; a = t; |
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151 | t = h; h = g; g = f; f = e; e = t; |
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152 | } |
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153 | SWAP(c,g) |
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154 | |||
155 | for (; n < 64;) { |
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156 | ROUND128_48_TO_63(a,b,c,d,e,f,g,h); |
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157 | t = d; d = c; c = b; b = a; a = t; |
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158 | t = h; h = g; g = f; f = e; e = t; |
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159 | } |
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160 | SWAP(d,h) |
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161 | #else |
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162 | |||
163 | #define R128_0 \ |
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164 | ROUND128_0_TO_15(a,b,c,d,e,f,g,h); \ |
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165 | ROUND128_0_TO_15(d,a,b,c,h,e,f,g); \ |
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166 | ROUND128_0_TO_15(c,d,a,b,g,h,e,f); \ |
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167 | ROUND128_0_TO_15(b,c,d,a,f,g,h,e) |
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168 | |||
169 | R128_0; R128_0; R128_0; R128_0; |
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170 | SWAP(a,e) |
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171 | |||
172 | #define R128_16 \ |
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173 | ROUND128_16_TO_31(a,b,c,d,e,f,g,h); \ |
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174 | ROUND128_16_TO_31(d,a,b,c,h,e,f,g); \ |
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175 | ROUND128_16_TO_31(c,d,a,b,g,h,e,f); \ |
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176 | ROUND128_16_TO_31(b,c,d,a,f,g,h,e) |
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177 | |||
178 | R128_16; R128_16; R128_16; R128_16; |
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179 | SWAP(b,f) |
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180 | |||
181 | #define R128_32 \ |
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182 | ROUND128_32_TO_47(a,b,c,d,e,f,g,h); \ |
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183 | ROUND128_32_TO_47(d,a,b,c,h,e,f,g); \ |
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184 | ROUND128_32_TO_47(c,d,a,b,g,h,e,f); \ |
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185 | ROUND128_32_TO_47(b,c,d,a,f,g,h,e) |
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186 | |||
187 | R128_32; R128_32; R128_32; R128_32; |
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188 | SWAP(c,g) |
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189 | |||
190 | #define R128_48 \ |
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191 | ROUND128_48_TO_63(a,b,c,d,e,f,g,h); \ |
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192 | ROUND128_48_TO_63(d,a,b,c,h,e,f,g); \ |
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193 | ROUND128_48_TO_63(c,d,a,b,g,h,e,f); \ |
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194 | ROUND128_48_TO_63(b,c,d,a,f,g,h,e) |
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195 | |||
196 | R128_48; R128_48; R128_48; R128_48; |
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197 | SWAP(d,h) |
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198 | #endif |
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199 | |||
200 | if (ext) { |
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201 | state[0] += a; state[1] += b; state[2] += c; state[3] += d; |
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202 | state[4] += e; state[5] += f; state[6] += g; state[7] += h; |
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203 | } else { |
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204 | h += c + state[1]; |
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205 | state[1] = state[2] + d + e; |
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206 | state[2] = state[3] + a + f; |
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207 | state[3] = state[0] + b + g; |
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208 | state[0] = h; |
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209 | } |
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210 | } |
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211 | |||
212 | #define ROTATE(x,y) \ |
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213 | x = rol(x, 10); \ |
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214 | y = rol(y, 10); \ |
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215 | n++ |
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216 | |||
217 | #define ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j) \ |
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218 | a = rol(a + (( b ^ c ^ d) + block[WA[n]]), ROTA[n]) + e; \ |
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219 | f = rol(f + (((~i | h) ^ g) + block[WB[n]] + KB[0]), ROTB[n]) + j; \ |
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220 | ROTATE(c,h) |
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221 | |||
222 | #define ROUND160_16_TO_31(a,b,c,d,e,f,g,h,i,j) \ |
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223 | a = rol(a + ((((c ^ d) & b) ^ d) + block[WA[n]] + KA[0]), ROTA[n]) + e; \ |
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224 | f = rol(f + ((((g ^ h) & i) ^ h) + block[WB[n]] + KB[1]), ROTB[n]) + j; \ |
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225 | ROTATE(c,h) |
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226 | |||
227 | #define ROUND160_32_TO_47(a,b,c,d,e,f,g,h,i,j) \ |
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228 | a = rol(a + (((~c | b) ^ d) + block[WA[n]] + KA[1]), ROTA[n]) + e; \ |
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229 | f = rol(f + (((~h | g) ^ i) + block[WB[n]] + KB[2]), ROTB[n]) + j; \ |
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230 | ROTATE(c,h) |
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231 | |||
232 | #define ROUND160_48_TO_63(a,b,c,d,e,f,g,h,i,j) \ |
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233 | a = rol(a + ((((b ^ c) & d) ^ c) + block[WA[n]] + KA[2]), ROTA[n]) + e; \ |
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234 | f = rol(f + ((((h ^ i) & g) ^ i) + block[WB[n]] + KB[3]), ROTB[n]) + j; \ |
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235 | ROTATE(c,h) |
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236 | |||
237 | #define ROUND160_64_TO_79(a,b,c,d,e,f,g,h,i,j) \ |
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238 | a = rol(a + (((~d | c) ^ b) + block[WA[n]] + KA[3]), ROTA[n]) + e; \ |
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239 | f = rol(f + (( g ^ h ^ i) + block[WB[n]]), ROTB[n]) + j; \ |
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240 | ROTATE(c,h) |
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241 | |||
242 | static void ripemd160_transform(uint32_t *state, const uint8_t buffer[64], int ext) |
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243 | { |
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244 | uint32_t a, b, c, d, e, f, g, h, i, j, t; |
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245 | uint32_t block[16]; |
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246 | int n; |
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247 | |||
248 | if (ext) { |
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249 | a = state[0]; b = state[1]; c = state[2]; d = state[3]; e = state[4]; |
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250 | f = state[5]; g = state[6]; h = state[7]; i = state[8]; j = state[9]; |
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251 | } else { |
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252 | a = f = state[0]; |
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253 | b = g = state[1]; |
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254 | c = h = state[2]; |
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255 | d = i = state[3]; |
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256 | e = j = state[4]; |
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257 | } |
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258 | |||
259 | for (n = 0; n < 16; n++) |
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260 | block[n] = AV_RL32(buffer + 4 * n); |
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261 | n = 0; |
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262 | |||
263 | #if CONFIG_SMALL |
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264 | for (; n < 16;) { |
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265 | ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j); |
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266 | t = e; e = d; d = c; c = b; b = a; a = t; |
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267 | t = j; j = i; i = h; h = g; g = f; f = t; |
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268 | } |
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269 | SWAP(b,g) |
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270 | |||
271 | for (; n < 32;) { |
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272 | ROUND160_16_TO_31(a,b,c,d,e,f,g,h,i,j); |
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273 | t = e; e = d; d = c; c = b; b = a; a = t; |
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274 | t = j; j = i; i = h; h = g; g = f; f = t; |
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275 | } |
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276 | SWAP(d,i) |
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277 | |||
278 | for (; n < 48;) { |
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279 | ROUND160_32_TO_47(a,b,c,d,e,f,g,h,i,j); |
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280 | t = e; e = d; d = c; c = b; b = a; a = t; |
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281 | t = j; j = i; i = h; h = g; g = f; f = t; |
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282 | } |
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283 | SWAP(a,f) |
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284 | |||
285 | for (; n < 64;) { |
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286 | ROUND160_48_TO_63(a,b,c,d,e,f,g,h,i,j); |
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287 | t = e; e = d; d = c; c = b; b = a; a = t; |
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288 | t = j; j = i; i = h; h = g; g = f; f = t; |
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289 | } |
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290 | SWAP(c,h) |
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291 | |||
292 | for (; n < 80;) { |
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293 | ROUND160_64_TO_79(a,b,c,d,e,f,g,h,i,j); |
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294 | t = e; e = d; d = c; c = b; b = a; a = t; |
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295 | t = j; j = i; i = h; h = g; g = f; f = t; |
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296 | } |
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297 | SWAP(e,j) |
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298 | #else |
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299 | |||
300 | #define R160_0 \ |
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301 | ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j); \ |
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302 | ROUND160_0_TO_15(e,a,b,c,d,j,f,g,h,i); \ |
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303 | ROUND160_0_TO_15(d,e,a,b,c,i,j,f,g,h); \ |
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304 | ROUND160_0_TO_15(c,d,e,a,b,h,i,j,f,g); \ |
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305 | ROUND160_0_TO_15(b,c,d,e,a,g,h,i,j,f) |
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306 | |||
307 | R160_0; R160_0; R160_0; |
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308 | ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j); |
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309 | SWAP(a,f) |
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310 | |||
311 | #define R160_16 \ |
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312 | ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i); \ |
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313 | ROUND160_16_TO_31(d,e,a,b,c,i,j,f,g,h); \ |
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314 | ROUND160_16_TO_31(c,d,e,a,b,h,i,j,f,g); \ |
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315 | ROUND160_16_TO_31(b,c,d,e,a,g,h,i,j,f); \ |
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316 | ROUND160_16_TO_31(a,b,c,d,e,f,g,h,i,j) |
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317 | |||
318 | R160_16; R160_16; R160_16; |
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319 | ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i); |
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320 | SWAP(b,g) |
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321 | |||
322 | #define R160_32 \ |
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323 | ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h); \ |
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324 | ROUND160_32_TO_47(c,d,e,a,b,h,i,j,f,g); \ |
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325 | ROUND160_32_TO_47(b,c,d,e,a,g,h,i,j,f); \ |
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326 | ROUND160_32_TO_47(a,b,c,d,e,f,g,h,i,j); \ |
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327 | ROUND160_32_TO_47(e,a,b,c,d,j,f,g,h,i) |
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328 | |||
329 | R160_32; R160_32; R160_32; |
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330 | ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h); |
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331 | SWAP(c,h) |
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332 | |||
333 | #define R160_48 \ |
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334 | ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g); \ |
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335 | ROUND160_48_TO_63(b,c,d,e,a,g,h,i,j,f); \ |
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336 | ROUND160_48_TO_63(a,b,c,d,e,f,g,h,i,j); \ |
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337 | ROUND160_48_TO_63(e,a,b,c,d,j,f,g,h,i); \ |
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338 | ROUND160_48_TO_63(d,e,a,b,c,i,j,f,g,h) |
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339 | |||
340 | R160_48; R160_48; R160_48; |
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341 | ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g); |
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342 | SWAP(d,i) |
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343 | |||
344 | #define R160_64 \ |
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345 | ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f); \ |
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346 | ROUND160_64_TO_79(a,b,c,d,e,f,g,h,i,j); \ |
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347 | ROUND160_64_TO_79(e,a,b,c,d,j,f,g,h,i); \ |
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348 | ROUND160_64_TO_79(d,e,a,b,c,i,j,f,g,h); \ |
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349 | ROUND160_64_TO_79(c,d,e,a,b,h,i,j,f,g) |
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350 | |||
351 | R160_64; R160_64; R160_64; |
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352 | ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f); |
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353 | SWAP(e,j) |
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354 | #endif |
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355 | |||
356 | if (ext) { |
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357 | state[0] += a; state[1] += b; state[2] += c; state[3] += d; state[4] += e; |
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358 | state[5] += f; state[6] += g; state[7] += h; state[8] += i; state[9] += j; |
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359 | } else { |
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360 | i += c + state[1]; |
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361 | state[1] = state[2] + d + j; |
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362 | state[2] = state[3] + e + f; |
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363 | state[3] = state[4] + a + g; |
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364 | state[4] = state[0] + b + h; |
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365 | state[0] = i; |
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366 | } |
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367 | } |
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368 | |||
369 | av_cold int av_ripemd_init(AVRIPEMD *ctx, int bits) |
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370 | { |
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371 | ctx->digest_len = bits >> 5; |
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372 | switch (bits) { |
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373 | case 128: // RIPEMD-128 |
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374 | ctx->state[0] = 0x67452301; |
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375 | ctx->state[1] = 0xEFCDAB89; |
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376 | ctx->state[2] = 0x98BADCFE; |
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377 | ctx->state[3] = 0x10325476; |
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378 | ctx->transform = ripemd128_transform; |
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379 | ctx->ext = 0; |
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380 | break; |
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381 | case 160: // RIPEMD-160 |
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382 | ctx->state[0] = 0x67452301; |
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383 | ctx->state[1] = 0xEFCDAB89; |
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384 | ctx->state[2] = 0x98BADCFE; |
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385 | ctx->state[3] = 0x10325476; |
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386 | ctx->state[4] = 0xC3D2E1F0; |
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387 | ctx->transform = ripemd160_transform; |
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388 | ctx->ext = 0; |
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389 | break; |
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390 | case 256: // RIPEMD-256 |
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391 | ctx->state[0] = 0x67452301; |
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392 | ctx->state[1] = 0xEFCDAB89; |
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393 | ctx->state[2] = 0x98BADCFE; |
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394 | ctx->state[3] = 0x10325476; |
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395 | ctx->state[4] = 0x76543210; |
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396 | ctx->state[5] = 0xFEDCBA98; |
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397 | ctx->state[6] = 0x89ABCDEF; |
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398 | ctx->state[7] = 0x01234567; |
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399 | ctx->transform = ripemd128_transform; |
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400 | ctx->ext = 1; |
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401 | break; |
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402 | case 320: // RIPEMD-320 |
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403 | ctx->state[0] = 0x67452301; |
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404 | ctx->state[1] = 0xEFCDAB89; |
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405 | ctx->state[2] = 0x98BADCFE; |
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406 | ctx->state[3] = 0x10325476; |
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407 | ctx->state[4] = 0xC3D2E1F0; |
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408 | ctx->state[5] = 0x76543210; |
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409 | ctx->state[6] = 0xFEDCBA98; |
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410 | ctx->state[7] = 0x89ABCDEF; |
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411 | ctx->state[8] = 0x01234567; |
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412 | ctx->state[9] = 0x3C2D1E0F; |
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413 | ctx->transform = ripemd160_transform; |
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414 | ctx->ext = 1; |
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415 | break; |
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416 | default: |
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417 | return -1; |
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418 | } |
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419 | ctx->count = 0; |
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420 | return 0; |
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421 | } |
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422 | |||
423 | void av_ripemd_update(AVRIPEMD* ctx, const uint8_t* data, unsigned int len) |
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424 | { |
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425 | unsigned int i, j; |
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426 | |||
427 | j = ctx->count & 63; |
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428 | ctx->count += len; |
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429 | #if CONFIG_SMALL |
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430 | for (i = 0; i < len; i++) { |
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431 | ctx->buffer[j++] = data[i]; |
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432 | if (64 == j) { |
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433 | ctx->transform(ctx->state, ctx->buffer, ctx->ext); |
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434 | j = 0; |
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435 | } |
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436 | } |
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437 | #else |
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438 | if ((j + len) > 63) { |
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439 | memcpy(&ctx->buffer[j], data, (i = 64 - j)); |
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440 | ctx->transform(ctx->state, ctx->buffer, ctx->ext); |
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441 | for (; i + 63 < len; i += 64) |
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442 | ctx->transform(ctx->state, &data[i], ctx->ext); |
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443 | j = 0; |
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444 | } else |
||
445 | i = 0; |
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446 | memcpy(&ctx->buffer[j], &data[i], len - i); |
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447 | #endif |
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448 | } |
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449 | |||
450 | void av_ripemd_final(AVRIPEMD* ctx, uint8_t *digest) |
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451 | { |
||
452 | int i; |
||
453 | uint64_t finalcount = av_le2ne64(ctx->count << 3); |
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454 | |||
455 | av_ripemd_update(ctx, "\200", 1); |
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456 | while ((ctx->count & 63) != 56) |
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457 | av_ripemd_update(ctx, "", 1); |
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458 | av_ripemd_update(ctx, (uint8_t *)&finalcount, 8); /* Should cause a transform() */ |
||
459 | for (i = 0; i < ctx->digest_len; i++) |
||
460 | AV_WL32(digest + i*4, ctx->state[i]); |
||
461 | } |
||
462 | |||
463 | #ifdef TEST |
||
464 | #include |
||
465 | |||
466 | int main(void) |
||
467 | { |
||
468 | int i, j, k; |
||
469 | AVRIPEMD ctx; |
||
470 | unsigned char digest[40]; |
||
471 | static const int lengths[4] = { 128, 160, 256, 320 }; |
||
472 | |||
473 | for (j = 0; j < 4; j++) { |
||
474 | printf("Testing RIPEMD-%d\n", lengths[j]); |
||
475 | for (k = 0; k < 3; k++) { |
||
476 | av_ripemd_init(&ctx, lengths[j]); |
||
477 | if (k == 0) |
||
478 | av_ripemd_update(&ctx, "abc", 3); |
||
479 | else if (k == 1) |
||
480 | av_ripemd_update(&ctx, "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56); |
||
481 | else |
||
482 | for (i = 0; i < 1000*1000; i++) |
||
483 | av_ripemd_update(&ctx, "a", 1); |
||
484 | av_ripemd_final(&ctx, digest); |
||
485 | for (i = 0; i < lengths[j] >> 3; i++) |
||
486 | printf("%02X", digest[i]); |
||
487 | putchar('\n'); |
||
488 | } |
||
489 | switch (j) { //test vectors (from ISO:IEC 10118-3 (2004) and http://homes.esat.kuleuven.be/~bosselae/ripemd160.html) |
||
490 | case 0: |
||
491 | printf("c14a1219 9c66e4ba 84636b0f 69144c77\n" |
||
492 | "a1aa0689 d0fafa2d dc22e88b 49133a06\n" |
||
493 | "4a7f5723 f954eba1 216c9d8f 6320431f\n"); |
||
494 | break; |
||
495 | case 1: |
||
496 | printf("8eb208f7 e05d987a 9b044a8e 98c6b087 f15a0bfc\n" |
||
497 | "12a05338 4a9c0c88 e405a06c 27dcf49a da62eb2b\n" |
||
498 | "52783243 c1697bdb e16d37f9 7f68f083 25dc1528\n"); |
||
499 | break; |
||
500 | case 2: |
||
501 | printf("afbd6e22 8b9d8cbb cef5ca2d 03e6dba1 0ac0bc7d cbe4680e 1e42d2e9 75459b65\n" |
||
502 | "38430455 83aac6c8 c8d91285 73e7a980 9afb2a0f 34ccc36e a9e72f16 f6368e3f\n" |
||
503 | "ac953744 e10e3151 4c150d4d 8d7b6773 42e33399 788296e4 3ae4850c e4f97978\n"); |
||
504 | break; |
||
505 | case 3: |
||
506 | printf("de4c01b3 054f8930 a79d09ae 738e9230 1e5a1708 5beffdc1 b8d11671 3e74f82f a942d64c dbc4682d\n" |
||
507 | "d034a795 0cf72202 1ba4b84d f769a5de 2060e259 df4c9bb4 a4268c0e 935bbc74 70a969c9 d072a1ac\n" |
||
508 | "bdee37f4 371e2064 6b8b0d86 2dda1629 2ae36f40 965e8c85 09e63d1d bddecc50 3e2b63eb 9245bb66\n"); |
||
509 | break; |
||
510 | } |
||
511 | } |
||
512 | |||
513 | return 0; |
||
514 | } |
||
515 | #endif>>>>>><>>>>>>>>>>>>>>><>>>>>> |