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annotate src/core/ngx_sha1.c @ 7682:2ab0ecfe5a5f

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release-1.19.1 tag
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 07 Jul 2020 18:56:06 +0300
parents 9eefb38f0005
children
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6586
1064ea81ed3a An internal SHA1 implementation.
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1
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2 /*
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3 * Copyright (C) Maxim Dounin
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4 * Copyright (C) Nginx, Inc.
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5 *
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6 * An internal SHA1 implementation.
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7 */
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8
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9
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10 #include <ngx_config.h>
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11 #include <ngx_core.h>
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12 #include <ngx_sha1.h>
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13
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14
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15 static const u_char *ngx_sha1_body(ngx_sha1_t *ctx, const u_char *data,
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16 size_t size);
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17
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18
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19 void
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20 ngx_sha1_init(ngx_sha1_t *ctx)
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21 {
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22 ctx->a = 0x67452301;
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23 ctx->b = 0xefcdab89;
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24 ctx->c = 0x98badcfe;
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25 ctx->d = 0x10325476;
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26 ctx->e = 0xc3d2e1f0;
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27
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28 ctx->bytes = 0;
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29 }
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30
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31
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32 void
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33 ngx_sha1_update(ngx_sha1_t *ctx, const void *data, size_t size)
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34 {
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35 size_t used, free;
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36
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37 used = (size_t) (ctx->bytes & 0x3f);
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38 ctx->bytes += size;
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39
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40 if (used) {
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41 free = 64 - used;
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42
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43 if (size < free) {
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44 ngx_memcpy(&ctx->buffer[used], data, size);
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45 return;
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46 }
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47
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48 ngx_memcpy(&ctx->buffer[used], data, free);
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49 data = (u_char *) data + free;
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50 size -= free;
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51 (void) ngx_sha1_body(ctx, ctx->buffer, 64);
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52 }
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53
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54 if (size >= 64) {
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55 data = ngx_sha1_body(ctx, data, size & ~(size_t) 0x3f);
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56 size &= 0x3f;
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57 }
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58
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59 ngx_memcpy(ctx->buffer, data, size);
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60 }
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61
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62
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63 void
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64 ngx_sha1_final(u_char result[20], ngx_sha1_t *ctx)
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65 {
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66 size_t used, free;
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67
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68 used = (size_t) (ctx->bytes & 0x3f);
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69
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70 ctx->buffer[used++] = 0x80;
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71
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72 free = 64 - used;
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73
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74 if (free < 8) {
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75 ngx_memzero(&ctx->buffer[used], free);
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76 (void) ngx_sha1_body(ctx, ctx->buffer, 64);
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77 used = 0;
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78 free = 64;
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79 }
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80
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81 ngx_memzero(&ctx->buffer[used], free - 8);
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82
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83 ctx->bytes <<= 3;
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84 ctx->buffer[56] = (u_char) (ctx->bytes >> 56);
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85 ctx->buffer[57] = (u_char) (ctx->bytes >> 48);
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86 ctx->buffer[58] = (u_char) (ctx->bytes >> 40);
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87 ctx->buffer[59] = (u_char) (ctx->bytes >> 32);
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88 ctx->buffer[60] = (u_char) (ctx->bytes >> 24);
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89 ctx->buffer[61] = (u_char) (ctx->bytes >> 16);
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90 ctx->buffer[62] = (u_char) (ctx->bytes >> 8);
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91 ctx->buffer[63] = (u_char) ctx->bytes;
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92
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93 (void) ngx_sha1_body(ctx, ctx->buffer, 64);
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94
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95 result[0] = (u_char) (ctx->a >> 24);
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96 result[1] = (u_char) (ctx->a >> 16);
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97 result[2] = (u_char) (ctx->a >> 8);
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98 result[3] = (u_char) ctx->a;
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99 result[4] = (u_char) (ctx->b >> 24);
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100 result[5] = (u_char) (ctx->b >> 16);
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101 result[6] = (u_char) (ctx->b >> 8);
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102 result[7] = (u_char) ctx->b;
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103 result[8] = (u_char) (ctx->c >> 24);
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104 result[9] = (u_char) (ctx->c >> 16);
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105 result[10] = (u_char) (ctx->c >> 8);
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106 result[11] = (u_char) ctx->c;
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107 result[12] = (u_char) (ctx->d >> 24);
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108 result[13] = (u_char) (ctx->d >> 16);
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109 result[14] = (u_char) (ctx->d >> 8);
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110 result[15] = (u_char) ctx->d;
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111 result[16] = (u_char) (ctx->e >> 24);
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112 result[17] = (u_char) (ctx->e >> 16);
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113 result[18] = (u_char) (ctx->e >> 8);
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114 result[19] = (u_char) ctx->e;
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115
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116 ngx_memzero(ctx, sizeof(*ctx));
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117 }
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118
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119
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120 /*
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121 * Helper functions.
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122 */
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123
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124 #define ROTATE(bits, word) (((word) << (bits)) | ((word) >> (32 - (bits))))
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125
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126 #define F1(b, c, d) (((b) & (c)) | ((~(b)) & (d)))
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127 #define F2(b, c, d) ((b) ^ (c) ^ (d))
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128 #define F3(b, c, d) (((b) & (c)) | ((b) & (d)) | ((c) & (d)))
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129
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130 #define STEP(f, a, b, c, d, e, w, t) \
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131 temp = ROTATE(5, (a)) + f((b), (c), (d)) + (e) + (w) + (t); \
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132 (e) = (d); \
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133 (d) = (c); \
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134 (c) = ROTATE(30, (b)); \
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135 (b) = (a); \
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136 (a) = temp;
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137
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138
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139 /*
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140 * GET() reads 4 input bytes in big-endian byte order and returns
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141 * them as uint32_t.
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142 */
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143
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144 #define GET(n) \
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145 ((uint32_t) p[n * 4 + 3] | \
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146 ((uint32_t) p[n * 4 + 2] << 8) | \
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147 ((uint32_t) p[n * 4 + 1] << 16) | \
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148 ((uint32_t) p[n * 4] << 24))
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
149
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
150
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
151 /*
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
152 * This processes one or more 64-byte data blocks, but does not update
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
153 * the bit counters. There are no alignment requirements.
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
154 */
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
155
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
156 static const u_char *
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
157 ngx_sha1_body(ngx_sha1_t *ctx, const u_char *data, size_t size)
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
158 {
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
159 uint32_t a, b, c, d, e, temp;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
160 uint32_t saved_a, saved_b, saved_c, saved_d, saved_e;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
161 uint32_t words[80];
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
162 ngx_uint_t i;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
163 const u_char *p;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
164
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
165 p = data;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
166
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
167 a = ctx->a;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
168 b = ctx->b;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
169 c = ctx->c;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
170 d = ctx->d;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
171 e = ctx->e;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
172
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
173 do {
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
174 saved_a = a;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
175 saved_b = b;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
176 saved_c = c;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
177 saved_d = d;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
178 saved_e = e;
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
179
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
180 /* Load data block into the words array */
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
181
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
182 for (i = 0; i < 16; i++) {
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
183 words[i] = GET(i);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
184 }
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
185
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
186 for (i = 16; i < 80; i++) {
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
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diff changeset
187 words[i] = ROTATE(1, words[i - 3] ^ words[i - 8] ^ words[i - 14]
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
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diff changeset
188 ^ words[i - 16]);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
189 }
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
190
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
191 /* Transformations */
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
192
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
193 STEP(F1, a, b, c, d, e, words[0], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
194 STEP(F1, a, b, c, d, e, words[1], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
195 STEP(F1, a, b, c, d, e, words[2], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
196 STEP(F1, a, b, c, d, e, words[3], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
197 STEP(F1, a, b, c, d, e, words[4], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
198 STEP(F1, a, b, c, d, e, words[5], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
199 STEP(F1, a, b, c, d, e, words[6], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
200 STEP(F1, a, b, c, d, e, words[7], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
201 STEP(F1, a, b, c, d, e, words[8], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
202 STEP(F1, a, b, c, d, e, words[9], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
203 STEP(F1, a, b, c, d, e, words[10], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
204 STEP(F1, a, b, c, d, e, words[11], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
205 STEP(F1, a, b, c, d, e, words[12], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
206 STEP(F1, a, b, c, d, e, words[13], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
207 STEP(F1, a, b, c, d, e, words[14], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
208 STEP(F1, a, b, c, d, e, words[15], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
209 STEP(F1, a, b, c, d, e, words[16], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
210 STEP(F1, a, b, c, d, e, words[17], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
211 STEP(F1, a, b, c, d, e, words[18], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
212 STEP(F1, a, b, c, d, e, words[19], 0x5a827999);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
213
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
214 STEP(F2, a, b, c, d, e, words[20], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
215 STEP(F2, a, b, c, d, e, words[21], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
216 STEP(F2, a, b, c, d, e, words[22], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
217 STEP(F2, a, b, c, d, e, words[23], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
218 STEP(F2, a, b, c, d, e, words[24], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
219 STEP(F2, a, b, c, d, e, words[25], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
220 STEP(F2, a, b, c, d, e, words[26], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
221 STEP(F2, a, b, c, d, e, words[27], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
222 STEP(F2, a, b, c, d, e, words[28], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
223 STEP(F2, a, b, c, d, e, words[29], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
224 STEP(F2, a, b, c, d, e, words[30], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
225 STEP(F2, a, b, c, d, e, words[31], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
226 STEP(F2, a, b, c, d, e, words[32], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
227 STEP(F2, a, b, c, d, e, words[33], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
228 STEP(F2, a, b, c, d, e, words[34], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
229 STEP(F2, a, b, c, d, e, words[35], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
230 STEP(F2, a, b, c, d, e, words[36], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
231 STEP(F2, a, b, c, d, e, words[37], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
232 STEP(F2, a, b, c, d, e, words[38], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
233 STEP(F2, a, b, c, d, e, words[39], 0x6ed9eba1);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
234
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
235 STEP(F3, a, b, c, d, e, words[40], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
236 STEP(F3, a, b, c, d, e, words[41], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
237 STEP(F3, a, b, c, d, e, words[42], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
238 STEP(F3, a, b, c, d, e, words[43], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
239 STEP(F3, a, b, c, d, e, words[44], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
240 STEP(F3, a, b, c, d, e, words[45], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
241 STEP(F3, a, b, c, d, e, words[46], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
242 STEP(F3, a, b, c, d, e, words[47], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
243 STEP(F3, a, b, c, d, e, words[48], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
244 STEP(F3, a, b, c, d, e, words[49], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
245 STEP(F3, a, b, c, d, e, words[50], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
246 STEP(F3, a, b, c, d, e, words[51], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
247 STEP(F3, a, b, c, d, e, words[52], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
248 STEP(F3, a, b, c, d, e, words[53], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
249 STEP(F3, a, b, c, d, e, words[54], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
250 STEP(F3, a, b, c, d, e, words[55], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
251 STEP(F3, a, b, c, d, e, words[56], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
252 STEP(F3, a, b, c, d, e, words[57], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
253 STEP(F3, a, b, c, d, e, words[58], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
254 STEP(F3, a, b, c, d, e, words[59], 0x8f1bbcdc);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
255
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
256 STEP(F2, a, b, c, d, e, words[60], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
257 STEP(F2, a, b, c, d, e, words[61], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
258 STEP(F2, a, b, c, d, e, words[62], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
259 STEP(F2, a, b, c, d, e, words[63], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
260 STEP(F2, a, b, c, d, e, words[64], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
261 STEP(F2, a, b, c, d, e, words[65], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
262 STEP(F2, a, b, c, d, e, words[66], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
263 STEP(F2, a, b, c, d, e, words[67], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
264 STEP(F2, a, b, c, d, e, words[68], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
265 STEP(F2, a, b, c, d, e, words[69], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
266 STEP(F2, a, b, c, d, e, words[70], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
267 STEP(F2, a, b, c, d, e, words[71], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
268 STEP(F2, a, b, c, d, e, words[72], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
269 STEP(F2, a, b, c, d, e, words[73], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
270 STEP(F2, a, b, c, d, e, words[74], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
271 STEP(F2, a, b, c, d, e, words[75], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
272 STEP(F2, a, b, c, d, e, words[76], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
273 STEP(F2, a, b, c, d, e, words[77], 0xca62c1d6);
1064ea81ed3a An internal SHA1 implementation.
Maxim Dounin <mdounin@mdounin.ru>
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diff changeset
274 STEP(F2, a, b, c, d, e, words[78], 0xca62c1d6);
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275 STEP(F2, a, b, c, d, e, words[79], 0xca62c1d6);
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276
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277 a += saved_a;
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278 b += saved_b;
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279 c += saved_c;
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280 d += saved_d;
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281 e += saved_e;
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282
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283 p += 64;
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284
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285 } while (size -= 64);
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286
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287 ctx->a = a;
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288 ctx->b = b;
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289 ctx->c = c;
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290 ctx->d = d;
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291 ctx->e = e;
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292
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293 return p;
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294 }