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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
460408ef SG |
2 | /* |
3 | * Copyright (c) 2012 The Chromium OS Authors. | |
4 | * | |
5 | * (C) Copyright 2011 | |
6 | * Joe Hershberger, National Instruments, [email protected] | |
7 | * | |
8 | * (C) Copyright 2000 | |
9 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
460408ef SG |
10 | */ |
11 | ||
2dd90027 | 12 | #ifndef USE_HOSTCC |
460408ef SG |
13 | #include <common.h> |
14 | #include <command.h> | |
9fb625ce | 15 | #include <env.h> |
f7ae49fc | 16 | #include <log.h> |
bf007ebb | 17 | #include <malloc.h> |
0eb25b61 | 18 | #include <mapmem.h> |
1f9c9280 | 19 | #include <hw_sha.h> |
90526e9f | 20 | #include <asm/cache.h> |
2dd90027 | 21 | #include <asm/io.h> |
1221ce45 | 22 | #include <linux/errno.h> |
3db71108 | 23 | #include <u-boot/crc.h> |
2dd90027 RG |
24 | #else |
25 | #include "mkimage.h" | |
26 | #include <time.h> | |
2dd90027 RG |
27 | #endif /* !USE_HOSTCC*/ |
28 | ||
460408ef | 29 | #include <hash.h> |
4d72caa5 | 30 | #include <image.h> |
2dd90027 | 31 | #include <u-boot/crc.h> |
2b9912e6 JH |
32 | #include <u-boot/sha1.h> |
33 | #include <u-boot/sha256.h> | |
d16b38f4 | 34 | #include <u-boot/sha512.h> |
2dd90027 | 35 | #include <u-boot/md5.h> |
460408ef | 36 | |
10088fb0 KR |
37 | #if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC) |
38 | DECLARE_GLOBAL_DATA_PTR; | |
39 | #endif | |
40 | ||
41 | static void reloc_update(void); | |
42 | ||
78eda89e | 43 | #if defined(CONFIG_SHA1) && !defined(CONFIG_SHA_PROG_HW_ACCEL) |
bf007ebb HT |
44 | static int hash_init_sha1(struct hash_algo *algo, void **ctxp) |
45 | { | |
46 | sha1_context *ctx = malloc(sizeof(sha1_context)); | |
47 | sha1_starts(ctx); | |
48 | *ctxp = ctx; | |
49 | return 0; | |
50 | } | |
51 | ||
52 | static int hash_update_sha1(struct hash_algo *algo, void *ctx, const void *buf, | |
53 | unsigned int size, int is_last) | |
54 | { | |
55 | sha1_update((sha1_context *)ctx, buf, size); | |
56 | return 0; | |
57 | } | |
58 | ||
59 | static int hash_finish_sha1(struct hash_algo *algo, void *ctx, void *dest_buf, | |
60 | int size) | |
61 | { | |
62 | if (size < algo->digest_size) | |
63 | return -1; | |
64 | ||
65 | sha1_finish((sha1_context *)ctx, dest_buf); | |
66 | free(ctx); | |
67 | return 0; | |
68 | } | |
69 | #endif | |
70 | ||
78eda89e | 71 | #if defined(CONFIG_SHA256) && !defined(CONFIG_SHA_PROG_HW_ACCEL) |
bf007ebb HT |
72 | static int hash_init_sha256(struct hash_algo *algo, void **ctxp) |
73 | { | |
74 | sha256_context *ctx = malloc(sizeof(sha256_context)); | |
75 | sha256_starts(ctx); | |
76 | *ctxp = ctx; | |
77 | return 0; | |
78 | } | |
79 | ||
80 | static int hash_update_sha256(struct hash_algo *algo, void *ctx, | |
81 | const void *buf, unsigned int size, int is_last) | |
82 | { | |
83 | sha256_update((sha256_context *)ctx, buf, size); | |
84 | return 0; | |
85 | } | |
86 | ||
87 | static int hash_finish_sha256(struct hash_algo *algo, void *ctx, void | |
88 | *dest_buf, int size) | |
89 | { | |
90 | if (size < algo->digest_size) | |
91 | return -1; | |
92 | ||
93 | sha256_finish((sha256_context *)ctx, dest_buf); | |
94 | free(ctx); | |
95 | return 0; | |
96 | } | |
97 | #endif | |
98 | ||
d16b38f4 RD |
99 | #if defined(CONFIG_SHA384) |
100 | static int hash_init_sha384(struct hash_algo *algo, void **ctxp) | |
101 | { | |
102 | sha512_context *ctx = malloc(sizeof(sha512_context)); | |
103 | sha384_starts(ctx); | |
104 | *ctxp = ctx; | |
105 | return 0; | |
106 | } | |
107 | ||
108 | static int hash_update_sha384(struct hash_algo *algo, void *ctx, | |
109 | const void *buf, unsigned int size, int is_last) | |
110 | { | |
111 | sha384_update((sha512_context *)ctx, buf, size); | |
112 | return 0; | |
113 | } | |
114 | ||
115 | static int hash_finish_sha384(struct hash_algo *algo, void *ctx, void | |
116 | *dest_buf, int size) | |
117 | { | |
118 | if (size < algo->digest_size) | |
119 | return -1; | |
120 | ||
121 | sha384_finish((sha512_context *)ctx, dest_buf); | |
122 | free(ctx); | |
123 | return 0; | |
124 | } | |
125 | #endif | |
126 | ||
127 | #if defined(CONFIG_SHA512) | |
128 | static int hash_init_sha512(struct hash_algo *algo, void **ctxp) | |
129 | { | |
130 | sha512_context *ctx = malloc(sizeof(sha512_context)); | |
131 | sha512_starts(ctx); | |
132 | *ctxp = ctx; | |
133 | return 0; | |
134 | } | |
135 | ||
136 | static int hash_update_sha512(struct hash_algo *algo, void *ctx, | |
137 | const void *buf, unsigned int size, int is_last) | |
138 | { | |
139 | sha512_update((sha512_context *)ctx, buf, size); | |
140 | return 0; | |
141 | } | |
142 | ||
143 | static int hash_finish_sha512(struct hash_algo *algo, void *ctx, void | |
144 | *dest_buf, int size) | |
145 | { | |
146 | if (size < algo->digest_size) | |
147 | return -1; | |
148 | ||
d16b38f4 RD |
149 | sha512_finish((sha512_context *)ctx, dest_buf); |
150 | free(ctx); | |
151 | return 0; | |
152 | } | |
153 | #endif | |
154 | ||
155 | ||
51c2345b PT |
156 | static int hash_init_crc16_ccitt(struct hash_algo *algo, void **ctxp) |
157 | { | |
158 | uint16_t *ctx = malloc(sizeof(uint16_t)); | |
159 | *ctx = 0; | |
160 | *ctxp = ctx; | |
161 | return 0; | |
162 | } | |
163 | ||
164 | static int hash_update_crc16_ccitt(struct hash_algo *algo, void *ctx, | |
165 | const void *buf, unsigned int size, | |
166 | int is_last) | |
167 | { | |
168 | *((uint16_t *)ctx) = crc16_ccitt(*((uint16_t *)ctx), buf, size); | |
169 | return 0; | |
170 | } | |
171 | ||
172 | static int hash_finish_crc16_ccitt(struct hash_algo *algo, void *ctx, | |
173 | void *dest_buf, int size) | |
174 | { | |
175 | if (size < algo->digest_size) | |
176 | return -1; | |
177 | ||
178 | *((uint16_t *)dest_buf) = *((uint16_t *)ctx); | |
179 | free(ctx); | |
180 | return 0; | |
181 | } | |
182 | ||
bf007ebb HT |
183 | static int hash_init_crc32(struct hash_algo *algo, void **ctxp) |
184 | { | |
185 | uint32_t *ctx = malloc(sizeof(uint32_t)); | |
186 | *ctx = 0; | |
187 | *ctxp = ctx; | |
188 | return 0; | |
189 | } | |
190 | ||
191 | static int hash_update_crc32(struct hash_algo *algo, void *ctx, | |
192 | const void *buf, unsigned int size, int is_last) | |
193 | { | |
194 | *((uint32_t *)ctx) = crc32(*((uint32_t *)ctx), buf, size); | |
195 | return 0; | |
196 | } | |
197 | ||
198 | static int hash_finish_crc32(struct hash_algo *algo, void *ctx, void *dest_buf, | |
199 | int size) | |
200 | { | |
201 | if (size < algo->digest_size) | |
202 | return -1; | |
203 | ||
204 | *((uint32_t *)dest_buf) = *((uint32_t *)ctx); | |
205 | free(ctx); | |
206 | return 0; | |
207 | } | |
208 | ||
460408ef | 209 | /* |
78eda89e TR |
210 | * These are the hash algorithms we support. If we have hardware acceleration |
211 | * is enable we will use that, otherwise a software version of the algorithm. | |
212 | * Note that algorithm names must be in lower case. | |
460408ef SG |
213 | */ |
214 | static struct hash_algo hash_algo[] = { | |
78eda89e | 215 | #ifdef CONFIG_SHA1 |
1f9c9280 | 216 | { |
78eda89e TR |
217 | .name = "sha1", |
218 | .digest_size = SHA1_SUM_LEN, | |
219 | .chunk_size = CHUNKSZ_SHA1, | |
220 | #ifdef CONFIG_SHA_HW_ACCEL | |
221 | .hash_func_ws = hw_sha1, | |
222 | #else | |
223 | .hash_func_ws = sha1_csum_wd, | |
94e3c8c4 | 224 | #endif |
94e3c8c4 | 225 | #ifdef CONFIG_SHA_PROG_HW_ACCEL |
78eda89e TR |
226 | .hash_init = hw_sha_init, |
227 | .hash_update = hw_sha_update, | |
228 | .hash_finish = hw_sha_finish, | |
229 | #else | |
230 | .hash_init = hash_init_sha1, | |
231 | .hash_update = hash_update_sha1, | |
232 | .hash_finish = hash_finish_sha1, | |
1f9c9280 | 233 | #endif |
460408ef SG |
234 | }, |
235 | #endif | |
236 | #ifdef CONFIG_SHA256 | |
237 | { | |
78eda89e TR |
238 | .name = "sha256", |
239 | .digest_size = SHA256_SUM_LEN, | |
240 | .chunk_size = CHUNKSZ_SHA256, | |
241 | #ifdef CONFIG_SHA_HW_ACCEL | |
242 | .hash_func_ws = hw_sha256, | |
243 | #else | |
244 | .hash_func_ws = sha256_csum_wd, | |
245 | #endif | |
246 | #ifdef CONFIG_SHA_PROG_HW_ACCEL | |
247 | .hash_init = hw_sha_init, | |
248 | .hash_update = hw_sha_update, | |
249 | .hash_finish = hw_sha_finish, | |
250 | #else | |
251 | .hash_init = hash_init_sha256, | |
252 | .hash_update = hash_update_sha256, | |
253 | .hash_finish = hash_finish_sha256, | |
254 | #endif | |
460408ef | 255 | }, |
d16b38f4 RD |
256 | #endif |
257 | #ifdef CONFIG_SHA384 | |
258 | { | |
259 | .name = "sha384", | |
260 | .digest_size = SHA384_SUM_LEN, | |
261 | .chunk_size = CHUNKSZ_SHA384, | |
262 | .hash_func_ws = sha384_csum_wd, | |
263 | .hash_init = hash_init_sha384, | |
264 | .hash_update = hash_update_sha384, | |
265 | .hash_finish = hash_finish_sha384, | |
266 | }, | |
267 | #endif | |
268 | #ifdef CONFIG_SHA512 | |
269 | { | |
270 | .name = "sha512", | |
271 | .digest_size = SHA512_SUM_LEN, | |
272 | .chunk_size = CHUNKSZ_SHA512, | |
273 | .hash_func_ws = sha512_csum_wd, | |
274 | .hash_init = hash_init_sha512, | |
275 | .hash_update = hash_update_sha512, | |
276 | .hash_finish = hash_finish_sha512, | |
277 | }, | |
460408ef | 278 | #endif |
51c2345b PT |
279 | { |
280 | .name = "crc16-ccitt", | |
281 | .digest_size = 2, | |
282 | .chunk_size = CHUNKSZ, | |
283 | .hash_func_ws = crc16_ccitt_wd_buf, | |
284 | .hash_init = hash_init_crc16_ccitt, | |
285 | .hash_update = hash_update_crc16_ccitt, | |
286 | .hash_finish = hash_finish_crc16_ccitt, | |
287 | }, | |
d20a40de | 288 | { |
78eda89e TR |
289 | .name = "crc32", |
290 | .digest_size = 4, | |
291 | .chunk_size = CHUNKSZ_CRC32, | |
292 | .hash_func_ws = crc32_wd_buf, | |
293 | .hash_init = hash_init_crc32, | |
294 | .hash_update = hash_update_crc32, | |
295 | .hash_finish = hash_finish_crc32, | |
d20a40de | 296 | }, |
460408ef SG |
297 | }; |
298 | ||
d20a40de | 299 | /* Try to minimize code size for boards that don't want much hashing */ |
221a949e | 300 | #if defined(CONFIG_SHA256) || defined(CONFIG_CMD_SHA1SUM) || \ |
d16b38f4 RD |
301 | defined(CONFIG_CRC32_VERIFY) || defined(CONFIG_CMD_HASH) || \ |
302 | defined(CONFIG_SHA384) || defined(CONFIG_SHA512) | |
d20a40de SG |
303 | #define multi_hash() 1 |
304 | #else | |
305 | #define multi_hash() 0 | |
306 | #endif | |
307 | ||
10088fb0 KR |
308 | static void reloc_update(void) |
309 | { | |
310 | #if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC) | |
311 | int i; | |
312 | static bool done; | |
313 | ||
314 | if (!done) { | |
315 | done = true; | |
316 | for (i = 0; i < ARRAY_SIZE(hash_algo); i++) { | |
317 | hash_algo[i].name += gd->reloc_off; | |
318 | hash_algo[i].hash_func_ws += gd->reloc_off; | |
319 | hash_algo[i].hash_init += gd->reloc_off; | |
320 | hash_algo[i].hash_update += gd->reloc_off; | |
321 | hash_algo[i].hash_finish += gd->reloc_off; | |
322 | } | |
323 | } | |
324 | #endif | |
325 | } | |
326 | ||
2dd90027 RG |
327 | int hash_lookup_algo(const char *algo_name, struct hash_algo **algop) |
328 | { | |
329 | int i; | |
330 | ||
10088fb0 KR |
331 | reloc_update(); |
332 | ||
2dd90027 RG |
333 | for (i = 0; i < ARRAY_SIZE(hash_algo); i++) { |
334 | if (!strcmp(algo_name, hash_algo[i].name)) { | |
335 | *algop = &hash_algo[i]; | |
336 | return 0; | |
337 | } | |
338 | } | |
339 | ||
340 | debug("Unknown hash algorithm '%s'\n", algo_name); | |
341 | return -EPROTONOSUPPORT; | |
342 | } | |
343 | ||
344 | int hash_progressive_lookup_algo(const char *algo_name, | |
345 | struct hash_algo **algop) | |
346 | { | |
347 | int i; | |
348 | ||
10088fb0 KR |
349 | reloc_update(); |
350 | ||
2dd90027 RG |
351 | for (i = 0; i < ARRAY_SIZE(hash_algo); i++) { |
352 | if (!strcmp(algo_name, hash_algo[i].name)) { | |
353 | if (hash_algo[i].hash_init) { | |
354 | *algop = &hash_algo[i]; | |
355 | return 0; | |
356 | } | |
357 | } | |
358 | } | |
359 | ||
360 | debug("Unknown hash algorithm '%s'\n", algo_name); | |
361 | return -EPROTONOSUPPORT; | |
362 | } | |
363 | ||
364 | #ifndef USE_HOSTCC | |
8f0b1e24 SR |
365 | int hash_parse_string(const char *algo_name, const char *str, uint8_t *result) |
366 | { | |
367 | struct hash_algo *algo; | |
368 | int ret; | |
369 | int i; | |
370 | ||
371 | ret = hash_lookup_algo(algo_name, &algo); | |
372 | if (ret) | |
373 | return ret; | |
374 | ||
375 | for (i = 0; i < algo->digest_size; i++) { | |
376 | char chr[3]; | |
377 | ||
378 | strncpy(chr, &str[i * 2], 2); | |
379 | result[i] = simple_strtoul(chr, NULL, 16); | |
380 | } | |
381 | ||
382 | return 0; | |
383 | } | |
384 | ||
48ad68de TR |
385 | int hash_block(const char *algo_name, const void *data, unsigned int len, |
386 | uint8_t *output, int *output_size) | |
387 | { | |
388 | struct hash_algo *algo; | |
389 | int ret; | |
390 | ||
391 | ret = hash_lookup_algo(algo_name, &algo); | |
392 | if (ret) | |
393 | return ret; | |
394 | ||
395 | if (output_size && *output_size < algo->digest_size) { | |
396 | debug("Output buffer size %d too small (need %d bytes)", | |
397 | *output_size, algo->digest_size); | |
398 | return -ENOSPC; | |
399 | } | |
400 | if (output_size) | |
401 | *output_size = algo->digest_size; | |
402 | algo->hash_func_ws(data, len, output, algo->chunk_size); | |
403 | ||
404 | return 0; | |
405 | } | |
406 | ||
407 | #if defined(CONFIG_CMD_HASH) || defined(CONFIG_CMD_SHA1SUM) || defined(CONFIG_CMD_CRC32) | |
460408ef SG |
408 | /** |
409 | * store_result: Store the resulting sum to an address or variable | |
410 | * | |
411 | * @algo: Hash algorithm being used | |
412 | * @sum: Hash digest (algo->digest_size bytes) | |
413 | * @dest: Destination, interpreted as a hex address if it starts | |
d5b76673 SG |
414 | * with * (or allow_env_vars is 0) or otherwise as an |
415 | * environment variable. | |
416 | * @allow_env_vars: non-zero to permit storing the result to an | |
417 | * variable environment | |
460408ef | 418 | */ |
04819a4f | 419 | static void store_result(struct hash_algo *algo, const uint8_t *sum, |
d5b76673 | 420 | const char *dest, int allow_env_vars) |
460408ef SG |
421 | { |
422 | unsigned int i; | |
d5b76673 | 423 | int env_var = 0; |
460408ef | 424 | |
d5b76673 SG |
425 | /* |
426 | * If environment variables are allowed, then we assume that 'dest' | |
427 | * is an environment variable, unless it starts with *, in which | |
428 | * case we assume it is an address. If not allowed, it is always an | |
429 | * address. This is to support the crc32 command. | |
430 | */ | |
431 | if (allow_env_vars) { | |
432 | if (*dest == '*') | |
433 | dest++; | |
434 | else | |
435 | env_var = 1; | |
436 | } | |
460408ef | 437 | |
d5b76673 | 438 | if (env_var) { |
460408ef SG |
439 | char str_output[HASH_MAX_DIGEST_SIZE * 2 + 1]; |
440 | char *str_ptr = str_output; | |
441 | ||
442 | for (i = 0; i < algo->digest_size; i++) { | |
443 | sprintf(str_ptr, "%02x", sum[i]); | |
444 | str_ptr += 2; | |
445 | } | |
8b9cc866 | 446 | *str_ptr = '\0'; |
382bee57 | 447 | env_set(dest, str_output); |
d5b76673 | 448 | } else { |
bd091b67 SG |
449 | ulong addr; |
450 | void *buf; | |
d5b76673 | 451 | |
bd091b67 SG |
452 | addr = simple_strtoul(dest, NULL, 16); |
453 | buf = map_sysmem(addr, algo->digest_size); | |
454 | memcpy(buf, sum, algo->digest_size); | |
455 | unmap_sysmem(buf); | |
460408ef SG |
456 | } |
457 | } | |
458 | ||
459 | /** | |
460 | * parse_verify_sum: Parse a hash verification parameter | |
461 | * | |
462 | * @algo: Hash algorithm being used | |
463 | * @verify_str: Argument to parse. If it starts with * then it is | |
464 | * interpreted as a hex address containing the hash. | |
465 | * If the length is exactly the right number of hex digits | |
466 | * for the digest size, then we assume it is a hex digest. | |
467 | * Otherwise we assume it is an environment variable, and | |
468 | * look up its value (it must contain a hex digest). | |
469 | * @vsum: Returns binary digest value (algo->digest_size bytes) | |
d5b76673 SG |
470 | * @allow_env_vars: non-zero to permit storing the result to an environment |
471 | * variable. If 0 then verify_str is assumed to be an | |
472 | * address, and the * prefix is not expected. | |
460408ef SG |
473 | * @return 0 if ok, non-zero on error |
474 | */ | |
04819a4f SG |
475 | static int parse_verify_sum(struct hash_algo *algo, char *verify_str, |
476 | uint8_t *vsum, int allow_env_vars) | |
460408ef | 477 | { |
d5b76673 SG |
478 | int env_var = 0; |
479 | ||
480 | /* See comment above in store_result() */ | |
481 | if (allow_env_vars) { | |
482 | if (*verify_str == '*') | |
483 | verify_str++; | |
484 | else | |
485 | env_var = 1; | |
486 | } | |
487 | ||
3ef46a99 | 488 | if (!env_var) { |
bd091b67 SG |
489 | ulong addr; |
490 | void *buf; | |
460408ef | 491 | |
bd091b67 SG |
492 | addr = simple_strtoul(verify_str, NULL, 16); |
493 | buf = map_sysmem(addr, algo->digest_size); | |
494 | memcpy(vsum, buf, algo->digest_size); | |
460408ef | 495 | } else { |
460408ef SG |
496 | char *vsum_str; |
497 | int digits = algo->digest_size * 2; | |
498 | ||
499 | /* | |
500 | * As with the original code from sha1sum.c, we assume that a | |
501 | * string which matches the digest size exactly is a hex | |
502 | * string and not an environment variable. | |
503 | */ | |
504 | if (strlen(verify_str) == digits) | |
505 | vsum_str = verify_str; | |
506 | else { | |
00caae6d | 507 | vsum_str = env_get(verify_str); |
460408ef SG |
508 | if (vsum_str == NULL || strlen(vsum_str) != digits) { |
509 | printf("Expected %d hex digits in env var\n", | |
510 | digits); | |
511 | return 1; | |
512 | } | |
513 | } | |
514 | ||
8f0b1e24 | 515 | hash_parse_string(algo->name, vsum_str, vsum); |
460408ef SG |
516 | } |
517 | return 0; | |
518 | } | |
519 | ||
48ad68de | 520 | static void hash_show(struct hash_algo *algo, ulong addr, ulong len, uint8_t *output) |
460408ef SG |
521 | { |
522 | int i; | |
523 | ||
524 | printf("%s for %08lx ... %08lx ==> ", algo->name, addr, addr + len - 1); | |
525 | for (i = 0; i < algo->digest_size; i++) | |
526 | printf("%02x", output[i]); | |
527 | } | |
528 | ||
09140113 SG |
529 | int hash_command(const char *algo_name, int flags, struct cmd_tbl *cmdtp, |
530 | int flag, int argc, char *const argv[]) | |
460408ef | 531 | { |
460408ef | 532 | ulong addr, len; |
460408ef | 533 | |
3ef46a99 | 534 | if ((argc < 2) || ((flags & HASH_FLAG_VERIFY) && (argc < 3))) |
460408ef SG |
535 | return CMD_RET_USAGE; |
536 | ||
d5b76673 SG |
537 | addr = simple_strtoul(*argv++, NULL, 16); |
538 | len = simple_strtoul(*argv++, NULL, 16); | |
539 | ||
d20a40de SG |
540 | if (multi_hash()) { |
541 | struct hash_algo *algo; | |
d7af2baa | 542 | u8 *output; |
04819a4f | 543 | uint8_t vsum[HASH_MAX_DIGEST_SIZE]; |
bd091b67 | 544 | void *buf; |
460408ef | 545 | |
bf007ebb | 546 | if (hash_lookup_algo(algo_name, &algo)) { |
d20a40de SG |
547 | printf("Unknown hash algorithm '%s'\n", algo_name); |
548 | return CMD_RET_USAGE; | |
549 | } | |
550 | argc -= 2; | |
551 | ||
552 | if (algo->digest_size > HASH_MAX_DIGEST_SIZE) { | |
553 | puts("HASH_MAX_DIGEST_SIZE exceeded\n"); | |
554 | return 1; | |
555 | } | |
460408ef | 556 | |
d7af2baa BL |
557 | output = memalign(ARCH_DMA_MINALIGN, |
558 | sizeof(uint32_t) * HASH_MAX_DIGEST_SIZE); | |
559 | ||
bd091b67 SG |
560 | buf = map_sysmem(addr, len); |
561 | algo->hash_func_ws(buf, len, output, algo->chunk_size); | |
562 | unmap_sysmem(buf); | |
460408ef | 563 | |
d20a40de | 564 | /* Try to avoid code bloat when verify is not needed */ |
221a949e DT |
565 | #if defined(CONFIG_CRC32_VERIFY) || defined(CONFIG_SHA1SUM_VERIFY) || \ |
566 | defined(CONFIG_HASH_VERIFY) | |
d20a40de | 567 | if (flags & HASH_FLAG_VERIFY) { |
460408ef | 568 | #else |
d20a40de | 569 | if (0) { |
460408ef | 570 | #endif |
d20a40de | 571 | if (parse_verify_sum(algo, *argv, vsum, |
d5b76673 | 572 | flags & HASH_FLAG_ENV)) { |
d20a40de SG |
573 | printf("ERROR: %s does not contain a valid " |
574 | "%s sum\n", *argv, algo->name); | |
575 | return 1; | |
576 | } | |
577 | if (memcmp(output, vsum, algo->digest_size) != 0) { | |
578 | int i; | |
460408ef | 579 | |
31890ae2 | 580 | hash_show(algo, addr, len, output); |
d20a40de SG |
581 | printf(" != "); |
582 | for (i = 0; i < algo->digest_size; i++) | |
583 | printf("%02x", vsum[i]); | |
584 | puts(" ** ERROR **\n"); | |
585 | return 1; | |
586 | } | |
587 | } else { | |
31890ae2 | 588 | hash_show(algo, addr, len, output); |
d20a40de SG |
589 | printf("\n"); |
590 | ||
591 | if (argc) { | |
592 | store_result(algo, output, *argv, | |
593 | flags & HASH_FLAG_ENV); | |
594 | } | |
d7af2baa BL |
595 | unmap_sysmem(output); |
596 | ||
460408ef | 597 | } |
d20a40de SG |
598 | |
599 | /* Horrible code size hack for boards that just want crc32 */ | |
460408ef | 600 | } else { |
d20a40de SG |
601 | ulong crc; |
602 | ulong *ptr; | |
603 | ||
604 | crc = crc32_wd(0, (const uchar *)addr, len, CHUNKSZ_CRC32); | |
605 | ||
606 | printf("CRC32 for %08lx ... %08lx ==> %08lx\n", | |
607 | addr, addr + len - 1, crc); | |
460408ef | 608 | |
4b756b01 TR |
609 | if (argc >= 3) { |
610 | ptr = (ulong *)simple_strtoul(argv[0], NULL, 16); | |
d20a40de | 611 | *ptr = crc; |
d5b76673 | 612 | } |
460408ef SG |
613 | } |
614 | ||
615 | return 0; | |
616 | } | |
d70f919e SG |
617 | #endif /* CONFIG_CMD_HASH || CONFIG_CMD_SHA1SUM || CONFIG_CMD_CRC32) */ |
618 | #endif /* !USE_HOSTCC */ |