Commit 35d2c9d0c3cfd90850dc647250610587743e1f29
Committed by
Herbert Xu
Herbert Xu
1 parent
873b9cafa8
Exists in
master
and in
20 other branches
crypto: sha256 - Expose SHA256 generic routine to be callable externally.
Other SHA256 routine may need to use the generic routine when FPU is not available. Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Showing 2 changed files with 8 additions and 5 deletions Side-by-side Diff
crypto/sha256_generic.c
| ... | ... | @@ -246,7 +246,7 @@ |
| 246 | 246 | return 0; |
| 247 | 247 | } |
| 248 | 248 | |
| 249 | -static int sha256_update(struct shash_desc *desc, const u8 *data, | |
| 249 | +int crypto_sha256_update(struct shash_desc *desc, const u8 *data, | |
| 250 | 250 | unsigned int len) |
| 251 | 251 | { |
| 252 | 252 | struct sha256_state *sctx = shash_desc_ctx(desc); |
| ... | ... | @@ -277,6 +277,7 @@ |
| 277 | 277 | |
| 278 | 278 | return 0; |
| 279 | 279 | } |
| 280 | +EXPORT_SYMBOL(crypto_sha256_update); | |
| 280 | 281 | |
| 281 | 282 | static int sha256_final(struct shash_desc *desc, u8 *out) |
| 282 | 283 | { |
| 283 | 284 | |
| ... | ... | @@ -293,10 +294,10 @@ |
| 293 | 294 | /* Pad out to 56 mod 64. */ |
| 294 | 295 | index = sctx->count & 0x3f; |
| 295 | 296 | pad_len = (index < 56) ? (56 - index) : ((64+56) - index); |
| 296 | - sha256_update(desc, padding, pad_len); | |
| 297 | + crypto_sha256_update(desc, padding, pad_len); | |
| 297 | 298 | |
| 298 | 299 | /* Append length (before padding) */ |
| 299 | - sha256_update(desc, (const u8 *)&bits, sizeof(bits)); | |
| 300 | + crypto_sha256_update(desc, (const u8 *)&bits, sizeof(bits)); | |
| 300 | 301 | |
| 301 | 302 | /* Store state in digest */ |
| 302 | 303 | for (i = 0; i < 8; i++) |
| ... | ... | @@ -339,7 +340,7 @@ |
| 339 | 340 | static struct shash_alg sha256_algs[2] = { { |
| 340 | 341 | .digestsize = SHA256_DIGEST_SIZE, |
| 341 | 342 | .init = sha256_init, |
| 342 | - .update = sha256_update, | |
| 343 | + .update = crypto_sha256_update, | |
| 343 | 344 | .final = sha256_final, |
| 344 | 345 | .export = sha256_export, |
| 345 | 346 | .import = sha256_import, |
| ... | ... | @@ -355,7 +356,7 @@ |
| 355 | 356 | }, { |
| 356 | 357 | .digestsize = SHA224_DIGEST_SIZE, |
| 357 | 358 | .init = sha224_init, |
| 358 | - .update = sha256_update, | |
| 359 | + .update = crypto_sha256_update, | |
| 359 | 360 | .final = sha224_final, |
| 360 | 361 | .descsize = sizeof(struct sha256_state), |
| 361 | 362 | .base = { |
include/crypto/sha.h