source: azure_iot_hub_mbedtls/trunk/mbedtls-2.16.1/library/sha512.c@ 398

Last change on this file since 398 was 398, checked in by coas-nagasima, 5 years ago

mbedTLS版Azure IoT Hub接続サンプルのソースコードを追加
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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
27#if !defined(MBEDTLS_CONFIG_FILE)
28#include "mbedtls/config.h"
29#else
30#include MBEDTLS_CONFIG_FILE
31#endif
32
33#if defined(MBEDTLS_SHA512_C)
34
35#include "mbedtls/sha512.h"
36#include "mbedtls/platform_util.h"
37
38#if defined(_MSC_VER) || defined(__WATCOMC__)
39 #define UL64(x) x##ui64
40#else
41 #define UL64(x) x##ULL
42#endif
43
44#include <string.h>
45
46#if defined(MBEDTLS_SELF_TEST)
47#if defined(MBEDTLS_PLATFORM_C)
48#include "mbedtls/platform.h"
49#else
50#include <stdio.h>
51#include <stdlib.h>
52#define mbedtls_printf printf
53#define mbedtls_calloc calloc
54#define mbedtls_free free
55#endif /* MBEDTLS_PLATFORM_C */
56#endif /* MBEDTLS_SELF_TEST */
57
58#define SHA512_VALIDATE_RET(cond) \
59 MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA512_BAD_INPUT_DATA )
60#define SHA512_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond )
61
62#if !defined(MBEDTLS_SHA512_ALT)
63
64/*
65 * 64-bit integer manipulation macros (big endian)
66 */
67#ifndef GET_UINT64_BE
68#define GET_UINT64_BE(n,b,i) \
69{ \
70 (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
71 | ( (uint64_t) (b)[(i) + 1] << 48 ) \
72 | ( (uint64_t) (b)[(i) + 2] << 40 ) \
73 | ( (uint64_t) (b)[(i) + 3] << 32 ) \
74 | ( (uint64_t) (b)[(i) + 4] << 24 ) \
75 | ( (uint64_t) (b)[(i) + 5] << 16 ) \
76 | ( (uint64_t) (b)[(i) + 6] << 8 ) \
77 | ( (uint64_t) (b)[(i) + 7] ); \
78}
79#endif /* GET_UINT64_BE */
80
81#ifndef PUT_UINT64_BE
82#define PUT_UINT64_BE(n,b,i) \
83{ \
84 (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
85 (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
86 (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
87 (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
88 (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
89 (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
90 (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
91 (b)[(i) + 7] = (unsigned char) ( (n) ); \
92}
93#endif /* PUT_UINT64_BE */
94
95void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
96{
97 SHA512_VALIDATE( ctx != NULL );
98
99 memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
100}
101
102void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
103{
104 if( ctx == NULL )
105 return;
106
107 mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
108}
109
110void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
111 const mbedtls_sha512_context *src )
112{
113 SHA512_VALIDATE( dst != NULL );
114 SHA512_VALIDATE( src != NULL );
115
116 *dst = *src;
117}
118
119/*
120 * SHA-512 context setup
121 */
122int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is384 )
123{
124 SHA512_VALIDATE_RET( ctx != NULL );
125 SHA512_VALIDATE_RET( is384 == 0 || is384 == 1 );
126
127 ctx->total[0] = 0;
128 ctx->total[1] = 0;
129
130 if( is384 == 0 )
131 {
132 /* SHA-512 */
133 ctx->state[0] = UL64(0x6A09E667F3BCC908);
134 ctx->state[1] = UL64(0xBB67AE8584CAA73B);
135 ctx->state[2] = UL64(0x3C6EF372FE94F82B);
136 ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
137 ctx->state[4] = UL64(0x510E527FADE682D1);
138 ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
139 ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
140 ctx->state[7] = UL64(0x5BE0CD19137E2179);
141 }
142 else
143 {
144 /* SHA-384 */
145 ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
146 ctx->state[1] = UL64(0x629A292A367CD507);
147 ctx->state[2] = UL64(0x9159015A3070DD17);
148 ctx->state[3] = UL64(0x152FECD8F70E5939);
149 ctx->state[4] = UL64(0x67332667FFC00B31);
150 ctx->state[5] = UL64(0x8EB44A8768581511);
151 ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
152 ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
153 }
154
155 ctx->is384 = is384;
156
157 return( 0 );
158}
159
160#if !defined(MBEDTLS_DEPRECATED_REMOVED)
161void mbedtls_sha512_starts( mbedtls_sha512_context *ctx,
162 int is384 )
163{
164 mbedtls_sha512_starts_ret( ctx, is384 );
165}
166#endif
167
168#if !defined(MBEDTLS_SHA512_PROCESS_ALT)
169
170/*
171 * Round constants
172 */
173static const uint64_t K[80] =
174{
175 UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
176 UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
177 UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
178 UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
179 UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
180 UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
181 UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
182 UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
183 UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
184 UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
185 UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
186 UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
187 UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
188 UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
189 UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
190 UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
191 UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
192 UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
193 UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
194 UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
195 UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
196 UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
197 UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
198 UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
199 UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
200 UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
201 UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
202 UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
203 UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
204 UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
205 UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
206 UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
207 UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
208 UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
209 UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
210 UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
211 UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
212 UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
213 UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
214 UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
215};
216
217int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
218 const unsigned char data[128] )
219{
220 int i;
221 uint64_t temp1, temp2, W[80];
222 uint64_t A, B, C, D, E, F, G, H;
223
224 SHA512_VALIDATE_RET( ctx != NULL );
225 SHA512_VALIDATE_RET( (const unsigned char *)data != NULL );
226
227#define SHR(x,n) (x >> n)
228#define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
229
230#define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
231#define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
232
233#define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
234#define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
235
236#define F0(x,y,z) ((x & y) | (z & (x | y)))
237#define F1(x,y,z) (z ^ (x & (y ^ z)))
238
239#define P(a,b,c,d,e,f,g,h,x,K) \
240{ \
241 temp1 = h + S3(e) + F1(e,f,g) + K + x; \
242 temp2 = S2(a) + F0(a,b,c); \
243 d += temp1; h = temp1 + temp2; \
244}
245
246 for( i = 0; i < 16; i++ )
247 {
248 GET_UINT64_BE( W[i], data, i << 3 );
249 }
250
251 for( ; i < 80; i++ )
252 {
253 W[i] = S1(W[i - 2]) + W[i - 7] +
254 S0(W[i - 15]) + W[i - 16];
255 }
256
257 A = ctx->state[0];
258 B = ctx->state[1];
259 C = ctx->state[2];
260 D = ctx->state[3];
261 E = ctx->state[4];
262 F = ctx->state[5];
263 G = ctx->state[6];
264 H = ctx->state[7];
265 i = 0;
266
267 do
268 {
269 P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
270 P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
271 P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
272 P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
273 P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
274 P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
275 P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
276 P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
277 }
278 while( i < 80 );
279
280 ctx->state[0] += A;
281 ctx->state[1] += B;
282 ctx->state[2] += C;
283 ctx->state[3] += D;
284 ctx->state[4] += E;
285 ctx->state[5] += F;
286 ctx->state[6] += G;
287 ctx->state[7] += H;
288
289 return( 0 );
290}
291
292#if !defined(MBEDTLS_DEPRECATED_REMOVED)
293void mbedtls_sha512_process( mbedtls_sha512_context *ctx,
294 const unsigned char data[128] )
295{
296 mbedtls_internal_sha512_process( ctx, data );
297}
298#endif
299#endif /* !MBEDTLS_SHA512_PROCESS_ALT */
300
301/*
302 * SHA-512 process buffer
303 */
304int mbedtls_sha512_update_ret( mbedtls_sha512_context *ctx,
305 const unsigned char *input,
306 size_t ilen )
307{
308 int ret;
309 size_t fill;
310 unsigned int left;
311
312 SHA512_VALIDATE_RET( ctx != NULL );
313 SHA512_VALIDATE_RET( ilen == 0 || input != NULL );
314
315 if( ilen == 0 )
316 return( 0 );
317
318 left = (unsigned int) (ctx->total[0] & 0x7F);
319 fill = 128 - left;
320
321 ctx->total[0] += (uint64_t) ilen;
322
323 if( ctx->total[0] < (uint64_t) ilen )
324 ctx->total[1]++;
325
326 if( left && ilen >= fill )
327 {
328 memcpy( (void *) (ctx->buffer + left), input, fill );
329
330 if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
331 return( ret );
332
333 input += fill;
334 ilen -= fill;
335 left = 0;
336 }
337
338 while( ilen >= 128 )
339 {
340 if( ( ret = mbedtls_internal_sha512_process( ctx, input ) ) != 0 )
341 return( ret );
342
343 input += 128;
344 ilen -= 128;
345 }
346
347 if( ilen > 0 )
348 memcpy( (void *) (ctx->buffer + left), input, ilen );
349
350 return( 0 );
351}
352
353#if !defined(MBEDTLS_DEPRECATED_REMOVED)
354void mbedtls_sha512_update( mbedtls_sha512_context *ctx,
355 const unsigned char *input,
356 size_t ilen )
357{
358 mbedtls_sha512_update_ret( ctx, input, ilen );
359}
360#endif
361
362/*
363 * SHA-512 final digest
364 */
365int mbedtls_sha512_finish_ret( mbedtls_sha512_context *ctx,
366 unsigned char output[64] )
367{
368 int ret;
369 unsigned used;
370 uint64_t high, low;
371
372 SHA512_VALIDATE_RET( ctx != NULL );
373 SHA512_VALIDATE_RET( (unsigned char *)output != NULL );
374
375 /*
376 * Add padding: 0x80 then 0x00 until 16 bytes remain for the length
377 */
378 used = ctx->total[0] & 0x7F;
379
380 ctx->buffer[used++] = 0x80;
381
382 if( used <= 112 )
383 {
384 /* Enough room for padding + length in current block */
385 memset( ctx->buffer + used, 0, 112 - used );
386 }
387 else
388 {
389 /* We'll need an extra block */
390 memset( ctx->buffer + used, 0, 128 - used );
391
392 if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
393 return( ret );
394
395 memset( ctx->buffer, 0, 112 );
396 }
397
398 /*
399 * Add message length
400 */
401 high = ( ctx->total[0] >> 61 )
402 | ( ctx->total[1] << 3 );
403 low = ( ctx->total[0] << 3 );
404
405 PUT_UINT64_BE( high, ctx->buffer, 112 );
406 PUT_UINT64_BE( low, ctx->buffer, 120 );
407
408 if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
409 return( ret );
410
411 /*
412 * Output final state
413 */
414 PUT_UINT64_BE( ctx->state[0], output, 0 );
415 PUT_UINT64_BE( ctx->state[1], output, 8 );
416 PUT_UINT64_BE( ctx->state[2], output, 16 );
417 PUT_UINT64_BE( ctx->state[3], output, 24 );
418 PUT_UINT64_BE( ctx->state[4], output, 32 );
419 PUT_UINT64_BE( ctx->state[5], output, 40 );
420
421 if( ctx->is384 == 0 )
422 {
423 PUT_UINT64_BE( ctx->state[6], output, 48 );
424 PUT_UINT64_BE( ctx->state[7], output, 56 );
425 }
426
427 return( 0 );
428}
429
430#if !defined(MBEDTLS_DEPRECATED_REMOVED)
431void mbedtls_sha512_finish( mbedtls_sha512_context *ctx,
432 unsigned char output[64] )
433{
434 mbedtls_sha512_finish_ret( ctx, output );
435}
436#endif
437
438#endif /* !MBEDTLS_SHA512_ALT */
439
440/*
441 * output = SHA-512( input buffer )
442 */
443int mbedtls_sha512_ret( const unsigned char *input,
444 size_t ilen,
445 unsigned char output[64],
446 int is384 )
447{
448 int ret;
449 mbedtls_sha512_context ctx;
450
451 SHA512_VALIDATE_RET( is384 == 0 || is384 == 1 );
452 SHA512_VALIDATE_RET( ilen == 0 || input != NULL );
453 SHA512_VALIDATE_RET( (unsigned char *)output != NULL );
454
455 mbedtls_sha512_init( &ctx );
456
457 if( ( ret = mbedtls_sha512_starts_ret( &ctx, is384 ) ) != 0 )
458 goto exit;
459
460 if( ( ret = mbedtls_sha512_update_ret( &ctx, input, ilen ) ) != 0 )
461 goto exit;
462
463 if( ( ret = mbedtls_sha512_finish_ret( &ctx, output ) ) != 0 )
464 goto exit;
465
466exit:
467 mbedtls_sha512_free( &ctx );
468
469 return( ret );
470}
471
472#if !defined(MBEDTLS_DEPRECATED_REMOVED)
473void mbedtls_sha512( const unsigned char *input,
474 size_t ilen,
475 unsigned char output[64],
476 int is384 )
477{
478 mbedtls_sha512_ret( input, ilen, output, is384 );
479}
480#endif
481
482#if defined(MBEDTLS_SELF_TEST)
483
484/*
485 * FIPS-180-2 test vectors
486 */
487static const unsigned char sha512_test_buf[3][113] =
488{
489 { "abc" },
490 { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
491 "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
492 { "" }
493};
494
495static const size_t sha512_test_buflen[3] =
496{
497 3, 112, 1000
498};
499
500static const unsigned char sha512_test_sum[6][64] =
501{
502 /*
503 * SHA-384 test vectors
504 */
505 { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
506 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
507 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
508 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
509 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
510 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
511 { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
512 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
513 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
514 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
515 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
516 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
517 { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
518 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
519 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
520 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
521 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
522 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
523
524 /*
525 * SHA-512 test vectors
526 */
527 { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
528 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
529 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
530 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
531 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
532 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
533 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
534 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
535 { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
536 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
537 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
538 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
539 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
540 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
541 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
542 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
543 { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
544 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
545 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
546 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
547 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
548 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
549 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
550 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
551};
552
553/*
554 * Checkup routine
555 */
556int mbedtls_sha512_self_test( int verbose )
557{
558 int i, j, k, buflen, ret = 0;
559 unsigned char *buf;
560 unsigned char sha512sum[64];
561 mbedtls_sha512_context ctx;
562
563 buf = mbedtls_calloc( 1024, sizeof(unsigned char) );
564 if( NULL == buf )
565 {
566 if( verbose != 0 )
567 mbedtls_printf( "Buffer allocation failed\n" );
568
569 return( 1 );
570 }
571
572 mbedtls_sha512_init( &ctx );
573
574 for( i = 0; i < 6; i++ )
575 {
576 j = i % 3;
577 k = i < 3;
578
579 if( verbose != 0 )
580 mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
581
582 if( ( ret = mbedtls_sha512_starts_ret( &ctx, k ) ) != 0 )
583 goto fail;
584
585 if( j == 2 )
586 {
587 memset( buf, 'a', buflen = 1000 );
588
589 for( j = 0; j < 1000; j++ )
590 {
591 ret = mbedtls_sha512_update_ret( &ctx, buf, buflen );
592 if( ret != 0 )
593 goto fail;
594 }
595 }
596 else
597 {
598 ret = mbedtls_sha512_update_ret( &ctx, sha512_test_buf[j],
599 sha512_test_buflen[j] );
600 if( ret != 0 )
601 goto fail;
602 }
603
604 if( ( ret = mbedtls_sha512_finish_ret( &ctx, sha512sum ) ) != 0 )
605 goto fail;
606
607 if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
608 {
609 ret = 1;
610 goto fail;
611 }
612
613 if( verbose != 0 )
614 mbedtls_printf( "passed\n" );
615 }
616
617 if( verbose != 0 )
618 mbedtls_printf( "\n" );
619
620 goto exit;
621
622fail:
623 if( verbose != 0 )
624 mbedtls_printf( "failed\n" );
625
626exit:
627 mbedtls_sha512_free( &ctx );
628 mbedtls_free( buf );
629
630 return( ret );
631}
632
633#endif /* MBEDTLS_SELF_TEST */
634
635#endif /* MBEDTLS_SHA512_C */
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