sha512.c 18 KB

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  1. /*
  2. * FIPS-180-2 compliant SHA-384/512 implementation
  3. *
  4. * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
  5. * SPDX-License-Identifier: Apache-2.0
  6. *
  7. * Licensed under the Apache License, Version 2.0 (the "License"); you may
  8. * not use this file except in compliance with the License.
  9. * You may obtain a copy of the License at
  10. *
  11. * http://www.apache.org/licenses/LICENSE-2.0
  12. *
  13. * Unless required by applicable law or agreed to in writing, software
  14. * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  15. * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16. * See the License for the specific language governing permissions and
  17. * limitations under the License.
  18. *
  19. * This file is part of mbed TLS (https://tls.mbed.org)
  20. */
  21. /*
  22. * The SHA-512 Secure Hash Standard was published by NIST in 2002.
  23. *
  24. * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
  25. */
  26. #if !defined(MBEDTLS_CONFIG_FILE)
  27. #include "mbedtls/config.h"
  28. #else
  29. #include MBEDTLS_CONFIG_FILE
  30. #endif
  31. #if defined(MBEDTLS_SHA512_C)
  32. #include "mbedtls/sha512.h"
  33. #if defined(_MSC_VER) || defined(__WATCOMC__)
  34. #define UL64(x) x##ui64
  35. #else
  36. #define UL64(x) x##ULL
  37. #endif
  38. #include <string.h>
  39. #if defined(MBEDTLS_SELF_TEST)
  40. #if defined(MBEDTLS_PLATFORM_C)
  41. #include "mbedtls/platform.h"
  42. #else
  43. #include <stdio.h>
  44. #include <stdlib.h>
  45. #define mbedtls_printf printf
  46. #define mbedtls_calloc calloc
  47. #define mbedtls_free free
  48. #endif /* MBEDTLS_PLATFORM_C */
  49. #endif /* MBEDTLS_SELF_TEST */
  50. #if !defined(MBEDTLS_SHA512_ALT)
  51. /* Implementation that should never be optimized out by the compiler */
  52. static void mbedtls_zeroize( void *v, size_t n ) {
  53. volatile unsigned char *p = v; while( n-- ) *p++ = 0;
  54. }
  55. /*
  56. * 64-bit integer manipulation macros (big endian)
  57. */
  58. #ifndef GET_UINT64_BE
  59. #define GET_UINT64_BE(n,b,i) \
  60. { \
  61. (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
  62. | ( (uint64_t) (b)[(i) + 1] << 48 ) \
  63. | ( (uint64_t) (b)[(i) + 2] << 40 ) \
  64. | ( (uint64_t) (b)[(i) + 3] << 32 ) \
  65. | ( (uint64_t) (b)[(i) + 4] << 24 ) \
  66. | ( (uint64_t) (b)[(i) + 5] << 16 ) \
  67. | ( (uint64_t) (b)[(i) + 6] << 8 ) \
  68. | ( (uint64_t) (b)[(i) + 7] ); \
  69. }
  70. #endif /* GET_UINT64_BE */
  71. #ifndef PUT_UINT64_BE
  72. #define PUT_UINT64_BE(n,b,i) \
  73. { \
  74. (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
  75. (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
  76. (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
  77. (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
  78. (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
  79. (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
  80. (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
  81. (b)[(i) + 7] = (unsigned char) ( (n) ); \
  82. }
  83. #endif /* PUT_UINT64_BE */
  84. void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
  85. {
  86. memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
  87. }
  88. void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
  89. {
  90. if( ctx == NULL )
  91. return;
  92. mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
  93. }
  94. void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
  95. const mbedtls_sha512_context *src )
  96. {
  97. *dst = *src;
  98. }
  99. /*
  100. * SHA-512 context setup
  101. */
  102. int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is384 )
  103. {
  104. ctx->total[0] = 0;
  105. ctx->total[1] = 0;
  106. if( is384 == 0 )
  107. {
  108. /* SHA-512 */
  109. ctx->state[0] = UL64(0x6A09E667F3BCC908);
  110. ctx->state[1] = UL64(0xBB67AE8584CAA73B);
  111. ctx->state[2] = UL64(0x3C6EF372FE94F82B);
  112. ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
  113. ctx->state[4] = UL64(0x510E527FADE682D1);
  114. ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
  115. ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
  116. ctx->state[7] = UL64(0x5BE0CD19137E2179);
  117. }
  118. else
  119. {
  120. /* SHA-384 */
  121. ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
  122. ctx->state[1] = UL64(0x629A292A367CD507);
  123. ctx->state[2] = UL64(0x9159015A3070DD17);
  124. ctx->state[3] = UL64(0x152FECD8F70E5939);
  125. ctx->state[4] = UL64(0x67332667FFC00B31);
  126. ctx->state[5] = UL64(0x8EB44A8768581511);
  127. ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
  128. ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
  129. }
  130. ctx->is384 = is384;
  131. return( 0 );
  132. }
  133. #if !defined(MBEDTLS_DEPRECATED_REMOVED)
  134. void mbedtls_sha512_starts( mbedtls_sha512_context *ctx,
  135. int is384 )
  136. {
  137. mbedtls_sha512_starts_ret( ctx, is384 );
  138. }
  139. #endif
  140. #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
  141. /*
  142. * Round constants
  143. */
  144. static const uint64_t K[80] =
  145. {
  146. UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
  147. UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
  148. UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
  149. UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
  150. UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
  151. UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
  152. UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
  153. UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
  154. UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
  155. UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
  156. UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
  157. UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
  158. UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
  159. UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
  160. UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
  161. UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
  162. UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
  163. UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
  164. UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
  165. UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
  166. UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
  167. UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
  168. UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
  169. UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
  170. UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
  171. UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
  172. UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
  173. UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
  174. UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
  175. UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
  176. UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
  177. UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
  178. UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
  179. UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
  180. UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
  181. UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
  182. UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
  183. UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
  184. UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
  185. UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
  186. };
  187. int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
  188. const unsigned char data[128] )
  189. {
  190. int i;
  191. uint64_t temp1, temp2, W[80];
  192. uint64_t A, B, C, D, E, F, G, H;
  193. #define SHR(x,n) (x >> n)
  194. #define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
  195. #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
  196. #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
  197. #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
  198. #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
  199. #define F0(x,y,z) ((x & y) | (z & (x | y)))
  200. #define F1(x,y,z) (z ^ (x & (y ^ z)))
  201. #define P(a,b,c,d,e,f,g,h,x,K) \
  202. { \
  203. temp1 = h + S3(e) + F1(e,f,g) + K + x; \
  204. temp2 = S2(a) + F0(a,b,c); \
  205. d += temp1; h = temp1 + temp2; \
  206. }
  207. for( i = 0; i < 16; i++ )
  208. {
  209. GET_UINT64_BE( W[i], data, i << 3 );
  210. }
  211. for( ; i < 80; i++ )
  212. {
  213. W[i] = S1(W[i - 2]) + W[i - 7] +
  214. S0(W[i - 15]) + W[i - 16];
  215. }
  216. A = ctx->state[0];
  217. B = ctx->state[1];
  218. C = ctx->state[2];
  219. D = ctx->state[3];
  220. E = ctx->state[4];
  221. F = ctx->state[5];
  222. G = ctx->state[6];
  223. H = ctx->state[7];
  224. i = 0;
  225. do
  226. {
  227. P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
  228. P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
  229. P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
  230. P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
  231. P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
  232. P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
  233. P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
  234. P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
  235. }
  236. while( i < 80 );
  237. ctx->state[0] += A;
  238. ctx->state[1] += B;
  239. ctx->state[2] += C;
  240. ctx->state[3] += D;
  241. ctx->state[4] += E;
  242. ctx->state[5] += F;
  243. ctx->state[6] += G;
  244. ctx->state[7] += H;
  245. return( 0 );
  246. }
  247. #if !defined(MBEDTLS_DEPRECATED_REMOVED)
  248. void mbedtls_sha512_process( mbedtls_sha512_context *ctx,
  249. const unsigned char data[128] )
  250. {
  251. mbedtls_internal_sha512_process( ctx, data );
  252. }
  253. #endif
  254. #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
  255. /*
  256. * SHA-512 process buffer
  257. */
  258. int mbedtls_sha512_update_ret( mbedtls_sha512_context *ctx,
  259. const unsigned char *input,
  260. size_t ilen )
  261. {
  262. int ret;
  263. size_t fill;
  264. unsigned int left;
  265. if( ilen == 0 )
  266. return( 0 );
  267. left = (unsigned int) (ctx->total[0] & 0x7F);
  268. fill = 128 - left;
  269. ctx->total[0] += (uint64_t) ilen;
  270. if( ctx->total[0] < (uint64_t) ilen )
  271. ctx->total[1]++;
  272. if( left && ilen >= fill )
  273. {
  274. memcpy( (void *) (ctx->buffer + left), input, fill );
  275. if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
  276. return( ret );
  277. input += fill;
  278. ilen -= fill;
  279. left = 0;
  280. }
  281. while( ilen >= 128 )
  282. {
  283. if( ( ret = mbedtls_internal_sha512_process( ctx, input ) ) != 0 )
  284. return( ret );
  285. input += 128;
  286. ilen -= 128;
  287. }
  288. if( ilen > 0 )
  289. memcpy( (void *) (ctx->buffer + left), input, ilen );
  290. return( 0 );
  291. }
  292. #if !defined(MBEDTLS_DEPRECATED_REMOVED)
  293. void mbedtls_sha512_update( mbedtls_sha512_context *ctx,
  294. const unsigned char *input,
  295. size_t ilen )
  296. {
  297. mbedtls_sha512_update_ret( ctx, input, ilen );
  298. }
  299. #endif
  300. /*
  301. * SHA-512 final digest
  302. */
  303. int mbedtls_sha512_finish_ret( mbedtls_sha512_context *ctx,
  304. unsigned char output[64] )
  305. {
  306. int ret;
  307. unsigned used;
  308. uint64_t high, low;
  309. /*
  310. * Add padding: 0x80 then 0x00 until 16 bytes remain for the length
  311. */
  312. used = ctx->total[0] & 0x7F;
  313. ctx->buffer[used++] = 0x80;
  314. if( used <= 112 )
  315. {
  316. /* Enough room for padding + length in current block */
  317. memset( ctx->buffer + used, 0, 112 - used );
  318. }
  319. else
  320. {
  321. /* We'll need an extra block */
  322. memset( ctx->buffer + used, 0, 128 - used );
  323. if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
  324. return( ret );
  325. memset( ctx->buffer, 0, 112 );
  326. }
  327. /*
  328. * Add message length
  329. */
  330. high = ( ctx->total[0] >> 61 )
  331. | ( ctx->total[1] << 3 );
  332. low = ( ctx->total[0] << 3 );
  333. PUT_UINT64_BE( high, ctx->buffer, 112 );
  334. PUT_UINT64_BE( low, ctx->buffer, 120 );
  335. if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
  336. return( ret );
  337. /*
  338. * Output final state
  339. */
  340. PUT_UINT64_BE( ctx->state[0], output, 0 );
  341. PUT_UINT64_BE( ctx->state[1], output, 8 );
  342. PUT_UINT64_BE( ctx->state[2], output, 16 );
  343. PUT_UINT64_BE( ctx->state[3], output, 24 );
  344. PUT_UINT64_BE( ctx->state[4], output, 32 );
  345. PUT_UINT64_BE( ctx->state[5], output, 40 );
  346. if( ctx->is384 == 0 )
  347. {
  348. PUT_UINT64_BE( ctx->state[6], output, 48 );
  349. PUT_UINT64_BE( ctx->state[7], output, 56 );
  350. }
  351. return( 0 );
  352. }
  353. #if !defined(MBEDTLS_DEPRECATED_REMOVED)
  354. void mbedtls_sha512_finish( mbedtls_sha512_context *ctx,
  355. unsigned char output[64] )
  356. {
  357. mbedtls_sha512_finish_ret( ctx, output );
  358. }
  359. #endif
  360. #endif /* !MBEDTLS_SHA512_ALT */
  361. /*
  362. * output = SHA-512( input buffer )
  363. */
  364. int mbedtls_sha512_ret( const unsigned char *input,
  365. size_t ilen,
  366. unsigned char output[64],
  367. int is384 )
  368. {
  369. int ret;
  370. mbedtls_sha512_context ctx;
  371. mbedtls_sha512_init( &ctx );
  372. if( ( ret = mbedtls_sha512_starts_ret( &ctx, is384 ) ) != 0 )
  373. goto exit;
  374. if( ( ret = mbedtls_sha512_update_ret( &ctx, input, ilen ) ) != 0 )
  375. goto exit;
  376. if( ( ret = mbedtls_sha512_finish_ret( &ctx, output ) ) != 0 )
  377. goto exit;
  378. exit:
  379. mbedtls_sha512_free( &ctx );
  380. return( ret );
  381. }
  382. #if !defined(MBEDTLS_DEPRECATED_REMOVED)
  383. void mbedtls_sha512( const unsigned char *input,
  384. size_t ilen,
  385. unsigned char output[64],
  386. int is384 )
  387. {
  388. mbedtls_sha512_ret( input, ilen, output, is384 );
  389. }
  390. #endif
  391. #if defined(MBEDTLS_SELF_TEST)
  392. /*
  393. * FIPS-180-2 test vectors
  394. */
  395. static const unsigned char sha512_test_buf[3][113] =
  396. {
  397. { "abc" },
  398. { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
  399. "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
  400. { "" }
  401. };
  402. static const size_t sha512_test_buflen[3] =
  403. {
  404. 3, 112, 1000
  405. };
  406. static const unsigned char sha512_test_sum[6][64] =
  407. {
  408. /*
  409. * SHA-384 test vectors
  410. */
  411. { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
  412. 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
  413. 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
  414. 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
  415. 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
  416. 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
  417. { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
  418. 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
  419. 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
  420. 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
  421. 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
  422. 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
  423. { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
  424. 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
  425. 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
  426. 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
  427. 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
  428. 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
  429. /*
  430. * SHA-512 test vectors
  431. */
  432. { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
  433. 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
  434. 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
  435. 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
  436. 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
  437. 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
  438. 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
  439. 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
  440. { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
  441. 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
  442. 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
  443. 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
  444. 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
  445. 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
  446. 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
  447. 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
  448. { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
  449. 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
  450. 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
  451. 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
  452. 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
  453. 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
  454. 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
  455. 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
  456. };
  457. /*
  458. * Checkup routine
  459. */
  460. int mbedtls_sha512_self_test( int verbose )
  461. {
  462. int i, j, k, buflen, ret = 0;
  463. unsigned char *buf;
  464. unsigned char sha512sum[64];
  465. mbedtls_sha512_context ctx;
  466. buf = mbedtls_calloc( 1024, sizeof(unsigned char) );
  467. if( NULL == buf )
  468. {
  469. if( verbose != 0 )
  470. mbedtls_printf( "Buffer allocation failed\n" );
  471. return( 1 );
  472. }
  473. mbedtls_sha512_init( &ctx );
  474. for( i = 0; i < 6; i++ )
  475. {
  476. j = i % 3;
  477. k = i < 3;
  478. if( verbose != 0 )
  479. mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
  480. if( ( ret = mbedtls_sha512_starts_ret( &ctx, k ) ) != 0 )
  481. goto fail;
  482. if( j == 2 )
  483. {
  484. memset( buf, 'a', buflen = 1000 );
  485. for( j = 0; j < 1000; j++ )
  486. {
  487. ret = mbedtls_sha512_update_ret( &ctx, buf, buflen );
  488. if( ret != 0 )
  489. goto fail;
  490. }
  491. }
  492. else
  493. {
  494. ret = mbedtls_sha512_update_ret( &ctx, sha512_test_buf[j],
  495. sha512_test_buflen[j] );
  496. if( ret != 0 )
  497. goto fail;
  498. }
  499. if( ( ret = mbedtls_sha512_finish_ret( &ctx, sha512sum ) ) != 0 )
  500. goto fail;
  501. if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
  502. {
  503. ret = 1;
  504. goto fail;
  505. }
  506. if( verbose != 0 )
  507. mbedtls_printf( "passed\n" );
  508. }
  509. if( verbose != 0 )
  510. mbedtls_printf( "\n" );
  511. goto exit;
  512. fail:
  513. if( verbose != 0 )
  514. mbedtls_printf( "failed\n" );
  515. exit:
  516. mbedtls_sha512_free( &ctx );
  517. mbedtls_free( buf );
  518. return( ret );
  519. }
  520. #endif /* MBEDTLS_SELF_TEST */
  521. #endif /* MBEDTLS_SHA512_C */