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80a47a2c TK |
1 | /* |
2 | * FIPS-180-2 compliant SHA-256 implementation | |
3 | * | |
62d3e98d TK |
4 | * Copyright (C) 2006-2010, Brainspark B.V. |
5 | * | |
6 | * This file is part of PolarSSL (http://www.polarssl.org) | |
7 | * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> | |
80a47a2c | 8 | * |
62d3e98d | 9 | * All rights reserved. |
80a47a2c TK |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License along | |
22 | * with this program; if not, write to the Free Software Foundation, Inc., | |
23 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
24 | */ | |
25 | /* | |
26 | * The SHA-256 Secure Hash Standard was published by NIST in 2002. | |
27 | * | |
28 | * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf | |
29 | */ | |
30 | ||
ac3ad426 AM |
31 | #include "polarssl/config.h" |
32 | ||
33 | #if defined(POLARSSL_SHA2_C) | |
34 | ||
35 | #include "polarssl/sha2.h" | |
80a47a2c TK |
36 | |
37 | #include <string.h> | |
38 | #include <stdio.h> | |
39 | ||
40 | /* | |
41 | * 32-bit integer manipulation macros (big endian) | |
42 | */ | |
43 | #ifndef GET_ULONG_BE | |
44 | #define GET_ULONG_BE(n,b,i) \ | |
45 | { \ | |
46 | (n) = ( (unsigned long) (b)[(i) ] << 24 ) \ | |
47 | | ( (unsigned long) (b)[(i) + 1] << 16 ) \ | |
48 | | ( (unsigned long) (b)[(i) + 2] << 8 ) \ | |
49 | | ( (unsigned long) (b)[(i) + 3] ); \ | |
50 | } | |
51 | #endif | |
52 | ||
53 | #ifndef PUT_ULONG_BE | |
54 | #define PUT_ULONG_BE(n,b,i) \ | |
55 | { \ | |
56 | (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ | |
57 | (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ | |
58 | (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ | |
59 | (b)[(i) + 3] = (unsigned char) ( (n) ); \ | |
60 | } | |
61 | #endif | |
62 | ||
63 | /* | |
64 | * SHA-256 context setup | |
65 | */ | |
66 | void sha2_starts( sha2_context *ctx, int is224 ) | |
67 | { | |
68 | ctx->total[0] = 0; | |
69 | ctx->total[1] = 0; | |
70 | ||
71 | if( is224 == 0 ) | |
72 | { | |
73 | /* SHA-256 */ | |
74 | ctx->state[0] = 0x6A09E667; | |
75 | ctx->state[1] = 0xBB67AE85; | |
76 | ctx->state[2] = 0x3C6EF372; | |
77 | ctx->state[3] = 0xA54FF53A; | |
78 | ctx->state[4] = 0x510E527F; | |
79 | ctx->state[5] = 0x9B05688C; | |
80 | ctx->state[6] = 0x1F83D9AB; | |
81 | ctx->state[7] = 0x5BE0CD19; | |
82 | } | |
83 | else | |
84 | { | |
85 | /* SHA-224 */ | |
86 | ctx->state[0] = 0xC1059ED8; | |
87 | ctx->state[1] = 0x367CD507; | |
88 | ctx->state[2] = 0x3070DD17; | |
89 | ctx->state[3] = 0xF70E5939; | |
90 | ctx->state[4] = 0xFFC00B31; | |
91 | ctx->state[5] = 0x68581511; | |
92 | ctx->state[6] = 0x64F98FA7; | |
93 | ctx->state[7] = 0xBEFA4FA4; | |
94 | } | |
95 | ||
96 | ctx->is224 = is224; | |
97 | } | |
98 | ||
62d3e98d | 99 | static void sha2_process( sha2_context *ctx, const unsigned char data[64] ) |
80a47a2c TK |
100 | { |
101 | unsigned long temp1, temp2, W[64]; | |
102 | unsigned long A, B, C, D, E, F, G, H; | |
103 | ||
104 | GET_ULONG_BE( W[ 0], data, 0 ); | |
105 | GET_ULONG_BE( W[ 1], data, 4 ); | |
106 | GET_ULONG_BE( W[ 2], data, 8 ); | |
107 | GET_ULONG_BE( W[ 3], data, 12 ); | |
108 | GET_ULONG_BE( W[ 4], data, 16 ); | |
109 | GET_ULONG_BE( W[ 5], data, 20 ); | |
110 | GET_ULONG_BE( W[ 6], data, 24 ); | |
111 | GET_ULONG_BE( W[ 7], data, 28 ); | |
112 | GET_ULONG_BE( W[ 8], data, 32 ); | |
113 | GET_ULONG_BE( W[ 9], data, 36 ); | |
114 | GET_ULONG_BE( W[10], data, 40 ); | |
115 | GET_ULONG_BE( W[11], data, 44 ); | |
116 | GET_ULONG_BE( W[12], data, 48 ); | |
117 | GET_ULONG_BE( W[13], data, 52 ); | |
118 | GET_ULONG_BE( W[14], data, 56 ); | |
119 | GET_ULONG_BE( W[15], data, 60 ); | |
120 | ||
121 | #define SHR(x,n) ((x & 0xFFFFFFFF) >> n) | |
122 | #define ROTR(x,n) (SHR(x,n) | (x << (32 - n))) | |
123 | ||
124 | #define S0(x) (ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3)) | |
125 | #define S1(x) (ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10)) | |
126 | ||
127 | #define S2(x) (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22)) | |
128 | #define S3(x) (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25)) | |
129 | ||
130 | #define F0(x,y,z) ((x & y) | (z & (x | y))) | |
131 | #define F1(x,y,z) (z ^ (x & (y ^ z))) | |
132 | ||
133 | #define R(t) \ | |
134 | ( \ | |
135 | W[t] = S1(W[t - 2]) + W[t - 7] + \ | |
136 | S0(W[t - 15]) + W[t - 16] \ | |
137 | ) | |
138 | ||
139 | #define P(a,b,c,d,e,f,g,h,x,K) \ | |
140 | { \ | |
141 | temp1 = h + S3(e) + F1(e,f,g) + K + x; \ | |
142 | temp2 = S2(a) + F0(a,b,c); \ | |
143 | d += temp1; h = temp1 + temp2; \ | |
144 | } | |
145 | ||
146 | A = ctx->state[0]; | |
147 | B = ctx->state[1]; | |
148 | C = ctx->state[2]; | |
149 | D = ctx->state[3]; | |
150 | E = ctx->state[4]; | |
151 | F = ctx->state[5]; | |
152 | G = ctx->state[6]; | |
153 | H = ctx->state[7]; | |
154 | ||
155 | P( A, B, C, D, E, F, G, H, W[ 0], 0x428A2F98 ); | |
156 | P( H, A, B, C, D, E, F, G, W[ 1], 0x71374491 ); | |
157 | P( G, H, A, B, C, D, E, F, W[ 2], 0xB5C0FBCF ); | |
158 | P( F, G, H, A, B, C, D, E, W[ 3], 0xE9B5DBA5 ); | |
159 | P( E, F, G, H, A, B, C, D, W[ 4], 0x3956C25B ); | |
160 | P( D, E, F, G, H, A, B, C, W[ 5], 0x59F111F1 ); | |
161 | P( C, D, E, F, G, H, A, B, W[ 6], 0x923F82A4 ); | |
162 | P( B, C, D, E, F, G, H, A, W[ 7], 0xAB1C5ED5 ); | |
163 | P( A, B, C, D, E, F, G, H, W[ 8], 0xD807AA98 ); | |
164 | P( H, A, B, C, D, E, F, G, W[ 9], 0x12835B01 ); | |
165 | P( G, H, A, B, C, D, E, F, W[10], 0x243185BE ); | |
166 | P( F, G, H, A, B, C, D, E, W[11], 0x550C7DC3 ); | |
167 | P( E, F, G, H, A, B, C, D, W[12], 0x72BE5D74 ); | |
168 | P( D, E, F, G, H, A, B, C, W[13], 0x80DEB1FE ); | |
169 | P( C, D, E, F, G, H, A, B, W[14], 0x9BDC06A7 ); | |
170 | P( B, C, D, E, F, G, H, A, W[15], 0xC19BF174 ); | |
171 | P( A, B, C, D, E, F, G, H, R(16), 0xE49B69C1 ); | |
172 | P( H, A, B, C, D, E, F, G, R(17), 0xEFBE4786 ); | |
173 | P( G, H, A, B, C, D, E, F, R(18), 0x0FC19DC6 ); | |
174 | P( F, G, H, A, B, C, D, E, R(19), 0x240CA1CC ); | |
175 | P( E, F, G, H, A, B, C, D, R(20), 0x2DE92C6F ); | |
176 | P( D, E, F, G, H, A, B, C, R(21), 0x4A7484AA ); | |
177 | P( C, D, E, F, G, H, A, B, R(22), 0x5CB0A9DC ); | |
178 | P( B, C, D, E, F, G, H, A, R(23), 0x76F988DA ); | |
179 | P( A, B, C, D, E, F, G, H, R(24), 0x983E5152 ); | |
180 | P( H, A, B, C, D, E, F, G, R(25), 0xA831C66D ); | |
181 | P( G, H, A, B, C, D, E, F, R(26), 0xB00327C8 ); | |
182 | P( F, G, H, A, B, C, D, E, R(27), 0xBF597FC7 ); | |
183 | P( E, F, G, H, A, B, C, D, R(28), 0xC6E00BF3 ); | |
184 | P( D, E, F, G, H, A, B, C, R(29), 0xD5A79147 ); | |
185 | P( C, D, E, F, G, H, A, B, R(30), 0x06CA6351 ); | |
186 | P( B, C, D, E, F, G, H, A, R(31), 0x14292967 ); | |
187 | P( A, B, C, D, E, F, G, H, R(32), 0x27B70A85 ); | |
188 | P( H, A, B, C, D, E, F, G, R(33), 0x2E1B2138 ); | |
189 | P( G, H, A, B, C, D, E, F, R(34), 0x4D2C6DFC ); | |
190 | P( F, G, H, A, B, C, D, E, R(35), 0x53380D13 ); | |
191 | P( E, F, G, H, A, B, C, D, R(36), 0x650A7354 ); | |
192 | P( D, E, F, G, H, A, B, C, R(37), 0x766A0ABB ); | |
193 | P( C, D, E, F, G, H, A, B, R(38), 0x81C2C92E ); | |
194 | P( B, C, D, E, F, G, H, A, R(39), 0x92722C85 ); | |
195 | P( A, B, C, D, E, F, G, H, R(40), 0xA2BFE8A1 ); | |
196 | P( H, A, B, C, D, E, F, G, R(41), 0xA81A664B ); | |
197 | P( G, H, A, B, C, D, E, F, R(42), 0xC24B8B70 ); | |
198 | P( F, G, H, A, B, C, D, E, R(43), 0xC76C51A3 ); | |
199 | P( E, F, G, H, A, B, C, D, R(44), 0xD192E819 ); | |
200 | P( D, E, F, G, H, A, B, C, R(45), 0xD6990624 ); | |
201 | P( C, D, E, F, G, H, A, B, R(46), 0xF40E3585 ); | |
202 | P( B, C, D, E, F, G, H, A, R(47), 0x106AA070 ); | |
203 | P( A, B, C, D, E, F, G, H, R(48), 0x19A4C116 ); | |
204 | P( H, A, B, C, D, E, F, G, R(49), 0x1E376C08 ); | |
205 | P( G, H, A, B, C, D, E, F, R(50), 0x2748774C ); | |
206 | P( F, G, H, A, B, C, D, E, R(51), 0x34B0BCB5 ); | |
207 | P( E, F, G, H, A, B, C, D, R(52), 0x391C0CB3 ); | |
208 | P( D, E, F, G, H, A, B, C, R(53), 0x4ED8AA4A ); | |
209 | P( C, D, E, F, G, H, A, B, R(54), 0x5B9CCA4F ); | |
210 | P( B, C, D, E, F, G, H, A, R(55), 0x682E6FF3 ); | |
211 | P( A, B, C, D, E, F, G, H, R(56), 0x748F82EE ); | |
212 | P( H, A, B, C, D, E, F, G, R(57), 0x78A5636F ); | |
213 | P( G, H, A, B, C, D, E, F, R(58), 0x84C87814 ); | |
214 | P( F, G, H, A, B, C, D, E, R(59), 0x8CC70208 ); | |
215 | P( E, F, G, H, A, B, C, D, R(60), 0x90BEFFFA ); | |
216 | P( D, E, F, G, H, A, B, C, R(61), 0xA4506CEB ); | |
217 | P( C, D, E, F, G, H, A, B, R(62), 0xBEF9A3F7 ); | |
218 | P( B, C, D, E, F, G, H, A, R(63), 0xC67178F2 ); | |
219 | ||
220 | ctx->state[0] += A; | |
221 | ctx->state[1] += B; | |
222 | ctx->state[2] += C; | |
223 | ctx->state[3] += D; | |
224 | ctx->state[4] += E; | |
225 | ctx->state[5] += F; | |
226 | ctx->state[6] += G; | |
227 | ctx->state[7] += H; | |
228 | } | |
229 | ||
230 | /* | |
231 | * SHA-256 process buffer | |
232 | */ | |
62d3e98d | 233 | void sha2_update( sha2_context *ctx, const unsigned char *input, int ilen ) |
80a47a2c TK |
234 | { |
235 | int fill; | |
236 | unsigned long left; | |
237 | ||
238 | if( ilen <= 0 ) | |
239 | return; | |
240 | ||
241 | left = ctx->total[0] & 0x3F; | |
242 | fill = 64 - left; | |
243 | ||
244 | ctx->total[0] += ilen; | |
245 | ctx->total[0] &= 0xFFFFFFFF; | |
246 | ||
247 | if( ctx->total[0] < (unsigned long) ilen ) | |
248 | ctx->total[1]++; | |
249 | ||
250 | if( left && ilen >= fill ) | |
251 | { | |
252 | memcpy( (void *) (ctx->buffer + left), | |
253 | (void *) input, fill ); | |
254 | sha2_process( ctx, ctx->buffer ); | |
255 | input += fill; | |
256 | ilen -= fill; | |
257 | left = 0; | |
258 | } | |
259 | ||
260 | while( ilen >= 64 ) | |
261 | { | |
262 | sha2_process( ctx, input ); | |
263 | input += 64; | |
264 | ilen -= 64; | |
265 | } | |
266 | ||
267 | if( ilen > 0 ) | |
268 | { | |
269 | memcpy( (void *) (ctx->buffer + left), | |
270 | (void *) input, ilen ); | |
271 | } | |
272 | } | |
273 | ||
274 | static const unsigned char sha2_padding[64] = | |
275 | { | |
276 | 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
277 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
278 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
279 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 | |
280 | }; | |
281 | ||
282 | /* | |
283 | * SHA-256 final digest | |
284 | */ | |
285 | void sha2_finish( sha2_context *ctx, unsigned char output[32] ) | |
286 | { | |
287 | unsigned long last, padn; | |
288 | unsigned long high, low; | |
289 | unsigned char msglen[8]; | |
290 | ||
291 | high = ( ctx->total[0] >> 29 ) | |
292 | | ( ctx->total[1] << 3 ); | |
293 | low = ( ctx->total[0] << 3 ); | |
294 | ||
295 | PUT_ULONG_BE( high, msglen, 0 ); | |
296 | PUT_ULONG_BE( low, msglen, 4 ); | |
297 | ||
298 | last = ctx->total[0] & 0x3F; | |
299 | padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); | |
300 | ||
301 | sha2_update( ctx, (unsigned char *) sha2_padding, padn ); | |
302 | sha2_update( ctx, msglen, 8 ); | |
303 | ||
304 | PUT_ULONG_BE( ctx->state[0], output, 0 ); | |
305 | PUT_ULONG_BE( ctx->state[1], output, 4 ); | |
306 | PUT_ULONG_BE( ctx->state[2], output, 8 ); | |
307 | PUT_ULONG_BE( ctx->state[3], output, 12 ); | |
308 | PUT_ULONG_BE( ctx->state[4], output, 16 ); | |
309 | PUT_ULONG_BE( ctx->state[5], output, 20 ); | |
310 | PUT_ULONG_BE( ctx->state[6], output, 24 ); | |
311 | ||
312 | if( ctx->is224 == 0 ) | |
313 | PUT_ULONG_BE( ctx->state[7], output, 28 ); | |
314 | } | |
315 | ||
316 | /* | |
317 | * output = SHA-256( input buffer ) | |
318 | */ | |
62d3e98d | 319 | void sha2( const unsigned char *input, int ilen, |
80a47a2c TK |
320 | unsigned char output[32], int is224 ) |
321 | { | |
322 | sha2_context ctx; | |
323 | ||
324 | sha2_starts( &ctx, is224 ); | |
325 | sha2_update( &ctx, input, ilen ); | |
326 | sha2_finish( &ctx, output ); | |
327 | ||
328 | memset( &ctx, 0, sizeof( sha2_context ) ); | |
329 | } | |
330 | ||
331 | /* | |
332 | * output = SHA-256( file contents ) | |
333 | */ | |
62d3e98d | 334 | int sha2_file( const char *path, unsigned char output[32], int is224 ) |
80a47a2c TK |
335 | { |
336 | FILE *f; | |
337 | size_t n; | |
338 | sha2_context ctx; | |
339 | unsigned char buf[1024]; | |
340 | ||
341 | if( ( f = fopen( path, "rb" ) ) == NULL ) | |
342 | return( 1 ); | |
343 | ||
344 | sha2_starts( &ctx, is224 ); | |
345 | ||
346 | while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) | |
347 | sha2_update( &ctx, buf, (int) n ); | |
348 | ||
349 | sha2_finish( &ctx, output ); | |
350 | ||
351 | memset( &ctx, 0, sizeof( sha2_context ) ); | |
352 | ||
353 | if( ferror( f ) != 0 ) | |
354 | { | |
355 | fclose( f ); | |
356 | return( 2 ); | |
357 | } | |
358 | ||
359 | fclose( f ); | |
360 | return( 0 ); | |
361 | } | |
362 | ||
363 | /* | |
364 | * SHA-256 HMAC context setup | |
365 | */ | |
62d3e98d | 366 | void sha2_hmac_starts( sha2_context *ctx, const unsigned char *key, int keylen, |
80a47a2c TK |
367 | int is224 ) |
368 | { | |
369 | int i; | |
370 | unsigned char sum[32]; | |
371 | ||
372 | if( keylen > 64 ) | |
373 | { | |
374 | sha2( key, keylen, sum, is224 ); | |
375 | keylen = ( is224 ) ? 28 : 32; | |
376 | key = sum; | |
377 | } | |
378 | ||
379 | memset( ctx->ipad, 0x36, 64 ); | |
380 | memset( ctx->opad, 0x5C, 64 ); | |
381 | ||
382 | for( i = 0; i < keylen; i++ ) | |
383 | { | |
384 | ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); | |
385 | ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); | |
386 | } | |
387 | ||
388 | sha2_starts( ctx, is224 ); | |
389 | sha2_update( ctx, ctx->ipad, 64 ); | |
390 | ||
391 | memset( sum, 0, sizeof( sum ) ); | |
392 | } | |
393 | ||
394 | /* | |
395 | * SHA-256 HMAC process buffer | |
396 | */ | |
62d3e98d | 397 | void sha2_hmac_update( sha2_context *ctx, const unsigned char *input, int ilen ) |
80a47a2c TK |
398 | { |
399 | sha2_update( ctx, input, ilen ); | |
400 | } | |
401 | ||
402 | /* | |
403 | * SHA-256 HMAC final digest | |
404 | */ | |
405 | void sha2_hmac_finish( sha2_context *ctx, unsigned char output[32] ) | |
406 | { | |
407 | int is224, hlen; | |
408 | unsigned char tmpbuf[32]; | |
409 | ||
410 | is224 = ctx->is224; | |
411 | hlen = ( is224 == 0 ) ? 32 : 28; | |
412 | ||
413 | sha2_finish( ctx, tmpbuf ); | |
414 | sha2_starts( ctx, is224 ); | |
415 | sha2_update( ctx, ctx->opad, 64 ); | |
416 | sha2_update( ctx, tmpbuf, hlen ); | |
417 | sha2_finish( ctx, output ); | |
418 | ||
419 | memset( tmpbuf, 0, sizeof( tmpbuf ) ); | |
420 | } | |
421 | ||
62d3e98d TK |
422 | /* |
423 | * SHA-256 HMAC context reset | |
424 | */ | |
425 | void sha2_hmac_reset( sha2_context *ctx ) | |
426 | { | |
427 | sha2_starts( ctx, ctx->is224 ); | |
428 | sha2_update( ctx, ctx->ipad, 64 ); | |
429 | } | |
430 | ||
80a47a2c TK |
431 | /* |
432 | * output = HMAC-SHA-256( hmac key, input buffer ) | |
433 | */ | |
62d3e98d TK |
434 | void sha2_hmac( const unsigned char *key, int keylen, |
435 | const unsigned char *input, int ilen, | |
80a47a2c TK |
436 | unsigned char output[32], int is224 ) |
437 | { | |
438 | sha2_context ctx; | |
439 | ||
440 | sha2_hmac_starts( &ctx, key, keylen, is224 ); | |
441 | sha2_hmac_update( &ctx, input, ilen ); | |
442 | sha2_hmac_finish( &ctx, output ); | |
443 | ||
444 | memset( &ctx, 0, sizeof( sha2_context ) ); | |
445 | } | |
ac3ad426 AM |
446 | |
447 | #if defined(POLARSSL_SELF_TEST) | |
448 | /* | |
449 | * FIPS-180-2 test vectors | |
450 | */ | |
451 | static unsigned char sha2_test_buf[3][57] = | |
452 | { | |
453 | { "abc" }, | |
454 | { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, | |
455 | { "" } | |
456 | }; | |
457 | ||
458 | static const int sha2_test_buflen[3] = | |
459 | { | |
460 | 3, 56, 1000 | |
461 | }; | |
462 | ||
463 | static const unsigned char sha2_test_sum[6][32] = | |
464 | { | |
465 | /* | |
466 | * SHA-224 test vectors | |
467 | */ | |
468 | { 0x23, 0x09, 0x7D, 0x22, 0x34, 0x05, 0xD8, 0x22, | |
469 | 0x86, 0x42, 0xA4, 0x77, 0xBD, 0xA2, 0x55, 0xB3, | |
470 | 0x2A, 0xAD, 0xBC, 0xE4, 0xBD, 0xA0, 0xB3, 0xF7, | |
471 | 0xE3, 0x6C, 0x9D, 0xA7 }, | |
472 | { 0x75, 0x38, 0x8B, 0x16, 0x51, 0x27, 0x76, 0xCC, | |
473 | 0x5D, 0xBA, 0x5D, 0xA1, 0xFD, 0x89, 0x01, 0x50, | |
474 | 0xB0, 0xC6, 0x45, 0x5C, 0xB4, 0xF5, 0x8B, 0x19, | |
475 | 0x52, 0x52, 0x25, 0x25 }, | |
476 | { 0x20, 0x79, 0x46, 0x55, 0x98, 0x0C, 0x91, 0xD8, | |
477 | 0xBB, 0xB4, 0xC1, 0xEA, 0x97, 0x61, 0x8A, 0x4B, | |
478 | 0xF0, 0x3F, 0x42, 0x58, 0x19, 0x48, 0xB2, 0xEE, | |
479 | 0x4E, 0xE7, 0xAD, 0x67 }, | |
480 | ||
481 | /* | |
482 | * SHA-256 test vectors | |
483 | */ | |
484 | { 0xBA, 0x78, 0x16, 0xBF, 0x8F, 0x01, 0xCF, 0xEA, | |
485 | 0x41, 0x41, 0x40, 0xDE, 0x5D, 0xAE, 0x22, 0x23, | |
486 | 0xB0, 0x03, 0x61, 0xA3, 0x96, 0x17, 0x7A, 0x9C, | |
487 | 0xB4, 0x10, 0xFF, 0x61, 0xF2, 0x00, 0x15, 0xAD }, | |
488 | { 0x24, 0x8D, 0x6A, 0x61, 0xD2, 0x06, 0x38, 0xB8, | |
489 | 0xE5, 0xC0, 0x26, 0x93, 0x0C, 0x3E, 0x60, 0x39, | |
490 | 0xA3, 0x3C, 0xE4, 0x59, 0x64, 0xFF, 0x21, 0x67, | |
491 | 0xF6, 0xEC, 0xED, 0xD4, 0x19, 0xDB, 0x06, 0xC1 }, | |
492 | { 0xCD, 0xC7, 0x6E, 0x5C, 0x99, 0x14, 0xFB, 0x92, | |
493 | 0x81, 0xA1, 0xC7, 0xE2, 0x84, 0xD7, 0x3E, 0x67, | |
494 | 0xF1, 0x80, 0x9A, 0x48, 0xA4, 0x97, 0x20, 0x0E, | |
495 | 0x04, 0x6D, 0x39, 0xCC, 0xC7, 0x11, 0x2C, 0xD0 } | |
496 | }; | |
497 | ||
498 | /* | |
499 | * RFC 4231 test vectors | |
500 | */ | |
501 | static unsigned char sha2_hmac_test_key[7][26] = | |
502 | { | |
503 | { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" | |
504 | "\x0B\x0B\x0B\x0B" }, | |
505 | { "Jefe" }, | |
506 | { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" | |
507 | "\xAA\xAA\xAA\xAA" }, | |
508 | { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10" | |
509 | "\x11\x12\x13\x14\x15\x16\x17\x18\x19" }, | |
510 | { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" | |
511 | "\x0C\x0C\x0C\x0C" }, | |
512 | { "" }, /* 0xAA 131 times */ | |
513 | { "" } | |
514 | }; | |
515 | ||
516 | static const int sha2_hmac_test_keylen[7] = | |
517 | { | |
518 | 20, 4, 20, 25, 20, 131, 131 | |
519 | }; | |
520 | ||
521 | static unsigned char sha2_hmac_test_buf[7][153] = | |
522 | { | |
523 | { "Hi There" }, | |
524 | { "what do ya want for nothing?" }, | |
525 | { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" | |
526 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" | |
527 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" | |
528 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" | |
529 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" }, | |
530 | { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" | |
531 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" | |
532 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" | |
533 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" | |
534 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" }, | |
535 | { "Test With Truncation" }, | |
536 | { "Test Using Larger Than Block-Size Key - Hash Key First" }, | |
537 | { "This is a test using a larger than block-size key " | |
538 | "and a larger than block-size data. The key needs to " | |
539 | "be hashed before being used by the HMAC algorithm." } | |
540 | }; | |
541 | ||
542 | static const int sha2_hmac_test_buflen[7] = | |
543 | { | |
544 | 8, 28, 50, 50, 20, 54, 152 | |
545 | }; | |
546 | ||
547 | static const unsigned char sha2_hmac_test_sum[14][32] = | |
548 | { | |
549 | /* | |
550 | * HMAC-SHA-224 test vectors | |
551 | */ | |
552 | { 0x89, 0x6F, 0xB1, 0x12, 0x8A, 0xBB, 0xDF, 0x19, | |
553 | 0x68, 0x32, 0x10, 0x7C, 0xD4, 0x9D, 0xF3, 0x3F, | |
554 | 0x47, 0xB4, 0xB1, 0x16, 0x99, 0x12, 0xBA, 0x4F, | |
555 | 0x53, 0x68, 0x4B, 0x22 }, | |
556 | { 0xA3, 0x0E, 0x01, 0x09, 0x8B, 0xC6, 0xDB, 0xBF, | |
557 | 0x45, 0x69, 0x0F, 0x3A, 0x7E, 0x9E, 0x6D, 0x0F, | |
558 | 0x8B, 0xBE, 0xA2, 0xA3, 0x9E, 0x61, 0x48, 0x00, | |
559 | 0x8F, 0xD0, 0x5E, 0x44 }, | |
560 | { 0x7F, 0xB3, 0xCB, 0x35, 0x88, 0xC6, 0xC1, 0xF6, | |
561 | 0xFF, 0xA9, 0x69, 0x4D, 0x7D, 0x6A, 0xD2, 0x64, | |
562 | 0x93, 0x65, 0xB0, 0xC1, 0xF6, 0x5D, 0x69, 0xD1, | |
563 | 0xEC, 0x83, 0x33, 0xEA }, | |
564 | { 0x6C, 0x11, 0x50, 0x68, 0x74, 0x01, 0x3C, 0xAC, | |
565 | 0x6A, 0x2A, 0xBC, 0x1B, 0xB3, 0x82, 0x62, 0x7C, | |
566 | 0xEC, 0x6A, 0x90, 0xD8, 0x6E, 0xFC, 0x01, 0x2D, | |
567 | 0xE7, 0xAF, 0xEC, 0x5A }, | |
568 | { 0x0E, 0x2A, 0xEA, 0x68, 0xA9, 0x0C, 0x8D, 0x37, | |
569 | 0xC9, 0x88, 0xBC, 0xDB, 0x9F, 0xCA, 0x6F, 0xA8 }, | |
570 | { 0x95, 0xE9, 0xA0, 0xDB, 0x96, 0x20, 0x95, 0xAD, | |
571 | 0xAE, 0xBE, 0x9B, 0x2D, 0x6F, 0x0D, 0xBC, 0xE2, | |
572 | 0xD4, 0x99, 0xF1, 0x12, 0xF2, 0xD2, 0xB7, 0x27, | |
573 | 0x3F, 0xA6, 0x87, 0x0E }, | |
574 | { 0x3A, 0x85, 0x41, 0x66, 0xAC, 0x5D, 0x9F, 0x02, | |
575 | 0x3F, 0x54, 0xD5, 0x17, 0xD0, 0xB3, 0x9D, 0xBD, | |
576 | 0x94, 0x67, 0x70, 0xDB, 0x9C, 0x2B, 0x95, 0xC9, | |
577 | 0xF6, 0xF5, 0x65, 0xD1 }, | |
578 | ||
579 | /* | |
580 | * HMAC-SHA-256 test vectors | |
581 | */ | |
582 | { 0xB0, 0x34, 0x4C, 0x61, 0xD8, 0xDB, 0x38, 0x53, | |
583 | 0x5C, 0xA8, 0xAF, 0xCE, 0xAF, 0x0B, 0xF1, 0x2B, | |
584 | 0x88, 0x1D, 0xC2, 0x00, 0xC9, 0x83, 0x3D, 0xA7, | |
585 | 0x26, 0xE9, 0x37, 0x6C, 0x2E, 0x32, 0xCF, 0xF7 }, | |
586 | { 0x5B, 0xDC, 0xC1, 0x46, 0xBF, 0x60, 0x75, 0x4E, | |
587 | 0x6A, 0x04, 0x24, 0x26, 0x08, 0x95, 0x75, 0xC7, | |
588 | 0x5A, 0x00, 0x3F, 0x08, 0x9D, 0x27, 0x39, 0x83, | |
589 | 0x9D, 0xEC, 0x58, 0xB9, 0x64, 0xEC, 0x38, 0x43 }, | |
590 | { 0x77, 0x3E, 0xA9, 0x1E, 0x36, 0x80, 0x0E, 0x46, | |
591 | 0x85, 0x4D, 0xB8, 0xEB, 0xD0, 0x91, 0x81, 0xA7, | |
592 | 0x29, 0x59, 0x09, 0x8B, 0x3E, 0xF8, 0xC1, 0x22, | |
593 | 0xD9, 0x63, 0x55, 0x14, 0xCE, 0xD5, 0x65, 0xFE }, | |
594 | { 0x82, 0x55, 0x8A, 0x38, 0x9A, 0x44, 0x3C, 0x0E, | |
595 | 0xA4, 0xCC, 0x81, 0x98, 0x99, 0xF2, 0x08, 0x3A, | |
596 | 0x85, 0xF0, 0xFA, 0xA3, 0xE5, 0x78, 0xF8, 0x07, | |
597 | 0x7A, 0x2E, 0x3F, 0xF4, 0x67, 0x29, 0x66, 0x5B }, | |
598 | { 0xA3, 0xB6, 0x16, 0x74, 0x73, 0x10, 0x0E, 0xE0, | |
599 | 0x6E, 0x0C, 0x79, 0x6C, 0x29, 0x55, 0x55, 0x2B }, | |
600 | { 0x60, 0xE4, 0x31, 0x59, 0x1E, 0xE0, 0xB6, 0x7F, | |
601 | 0x0D, 0x8A, 0x26, 0xAA, 0xCB, 0xF5, 0xB7, 0x7F, | |
602 | 0x8E, 0x0B, 0xC6, 0x21, 0x37, 0x28, 0xC5, 0x14, | |
603 | 0x05, 0x46, 0x04, 0x0F, 0x0E, 0xE3, 0x7F, 0x54 }, | |
604 | { 0x9B, 0x09, 0xFF, 0xA7, 0x1B, 0x94, 0x2F, 0xCB, | |
605 | 0x27, 0x63, 0x5F, 0xBC, 0xD5, 0xB0, 0xE9, 0x44, | |
606 | 0xBF, 0xDC, 0x63, 0x64, 0x4F, 0x07, 0x13, 0x93, | |
607 | 0x8A, 0x7F, 0x51, 0x53, 0x5C, 0x3A, 0x35, 0xE2 } | |
608 | }; | |
609 | ||
610 | /* | |
611 | * Checkup routine | |
612 | */ | |
613 | int sha2_self_test( int verbose ) | |
614 | { | |
615 | int i, j, k, buflen; | |
616 | unsigned char buf[1024]; | |
617 | unsigned char sha2sum[32]; | |
618 | sha2_context ctx; | |
619 | ||
620 | for( i = 0; i < 6; i++ ) | |
621 | { | |
622 | j = i % 3; | |
623 | k = i < 3; | |
624 | ||
625 | if( verbose != 0 ) | |
626 | printf( " SHA-%d test #%d: ", 256 - k * 32, j + 1 ); | |
627 | ||
628 | sha2_starts( &ctx, k ); | |
629 | ||
630 | if( j == 2 ) | |
631 | { | |
632 | memset( buf, 'a', buflen = 1000 ); | |
633 | ||
634 | for( j = 0; j < 1000; j++ ) | |
635 | sha2_update( &ctx, buf, buflen ); | |
636 | } | |
637 | else | |
638 | sha2_update( &ctx, sha2_test_buf[j], | |
639 | sha2_test_buflen[j] ); | |
640 | ||
641 | sha2_finish( &ctx, sha2sum ); | |
642 | ||
643 | if( memcmp( sha2sum, sha2_test_sum[i], 32 - k * 4 ) != 0 ) | |
644 | { | |
645 | if( verbose != 0 ) | |
646 | printf( "failed\n" ); | |
647 | ||
648 | return( 1 ); | |
649 | } | |
650 | ||
651 | if( verbose != 0 ) | |
652 | printf( "passed\n" ); | |
653 | } | |
654 | ||
655 | if( verbose != 0 ) | |
656 | printf( "\n" ); | |
657 | ||
658 | for( i = 0; i < 14; i++ ) | |
659 | { | |
660 | j = i % 7; | |
661 | k = i < 7; | |
662 | ||
663 | if( verbose != 0 ) | |
664 | printf( " HMAC-SHA-%d test #%d: ", 256 - k * 32, j + 1 ); | |
665 | ||
666 | if( j == 5 || j == 6 ) | |
667 | { | |
668 | memset( buf, '\xAA', buflen = 131 ); | |
669 | sha2_hmac_starts( &ctx, buf, buflen, k ); | |
670 | } | |
671 | else | |
672 | sha2_hmac_starts( &ctx, sha2_hmac_test_key[j], | |
673 | sha2_hmac_test_keylen[j], k ); | |
674 | ||
675 | sha2_hmac_update( &ctx, sha2_hmac_test_buf[j], | |
676 | sha2_hmac_test_buflen[j] ); | |
677 | ||
678 | sha2_hmac_finish( &ctx, sha2sum ); | |
679 | ||
680 | buflen = ( j == 4 ) ? 16 : 32 - k * 4; | |
681 | ||
682 | if( memcmp( sha2sum, sha2_hmac_test_sum[i], buflen ) != 0 ) | |
683 | { | |
684 | if( verbose != 0 ) | |
685 | printf( "failed\n" ); | |
686 | ||
687 | return( 1 ); | |
688 | } | |
689 | ||
690 | if( verbose != 0 ) | |
691 | printf( "passed\n" ); | |
692 | } | |
693 | ||
694 | if( verbose != 0 ) | |
695 | printf( "\n" ); | |
696 | ||
697 | return( 0 ); | |
698 | } | |
699 | ||
700 | #endif | |
701 | ||
702 | #endif |