diff options
Diffstat (limited to 'crypto/rmd128.c')
-rw-r--r-- | crypto/rmd128.c | 61 |
1 files changed, 32 insertions, 29 deletions
diff --git a/crypto/rmd128.c b/crypto/rmd128.c index 5de6fa2a76fb..1ceb6735aa53 100644 --- a/crypto/rmd128.c +++ b/crypto/rmd128.c | |||
@@ -13,11 +13,10 @@ | |||
13 | * any later version. | 13 | * any later version. |
14 | * | 14 | * |
15 | */ | 15 | */ |
16 | #include <crypto/internal/hash.h> | ||
16 | #include <linux/init.h> | 17 | #include <linux/init.h> |
17 | #include <linux/module.h> | 18 | #include <linux/module.h> |
18 | #include <linux/mm.h> | 19 | #include <linux/mm.h> |
19 | #include <linux/crypto.h> | ||
20 | #include <linux/cryptohash.h> | ||
21 | #include <linux/types.h> | 20 | #include <linux/types.h> |
22 | #include <asm/byteorder.h> | 21 | #include <asm/byteorder.h> |
23 | 22 | ||
@@ -218,9 +217,9 @@ static void rmd128_transform(u32 *state, const __le32 *in) | |||
218 | return; | 217 | return; |
219 | } | 218 | } |
220 | 219 | ||
221 | static void rmd128_init(struct crypto_tfm *tfm) | 220 | static int rmd128_init(struct shash_desc *desc) |
222 | { | 221 | { |
223 | struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm); | 222 | struct rmd128_ctx *rctx = shash_desc_ctx(desc); |
224 | 223 | ||
225 | rctx->byte_count = 0; | 224 | rctx->byte_count = 0; |
226 | 225 | ||
@@ -230,12 +229,14 @@ static void rmd128_init(struct crypto_tfm *tfm) | |||
230 | rctx->state[3] = RMD_H3; | 229 | rctx->state[3] = RMD_H3; |
231 | 230 | ||
232 | memset(rctx->buffer, 0, sizeof(rctx->buffer)); | 231 | memset(rctx->buffer, 0, sizeof(rctx->buffer)); |
232 | |||
233 | return 0; | ||
233 | } | 234 | } |
234 | 235 | ||
235 | static void rmd128_update(struct crypto_tfm *tfm, const u8 *data, | 236 | static int rmd128_update(struct shash_desc *desc, const u8 *data, |
236 | unsigned int len) | 237 | unsigned int len) |
237 | { | 238 | { |
238 | struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm); | 239 | struct rmd128_ctx *rctx = shash_desc_ctx(desc); |
239 | const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f); | 240 | const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f); |
240 | 241 | ||
241 | rctx->byte_count += len; | 242 | rctx->byte_count += len; |
@@ -244,7 +245,7 @@ static void rmd128_update(struct crypto_tfm *tfm, const u8 *data, | |||
244 | if (avail > len) { | 245 | if (avail > len) { |
245 | memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), | 246 | memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), |
246 | data, len); | 247 | data, len); |
247 | return; | 248 | goto out; |
248 | } | 249 | } |
249 | 250 | ||
250 | memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), | 251 | memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), |
@@ -262,12 +263,15 @@ static void rmd128_update(struct crypto_tfm *tfm, const u8 *data, | |||
262 | } | 263 | } |
263 | 264 | ||
264 | memcpy(rctx->buffer, data, len); | 265 | memcpy(rctx->buffer, data, len); |
266 | |||
267 | out: | ||
268 | return 0; | ||
265 | } | 269 | } |
266 | 270 | ||
267 | /* Add padding and return the message digest. */ | 271 | /* Add padding and return the message digest. */ |
268 | static void rmd128_final(struct crypto_tfm *tfm, u8 *out) | 272 | static int rmd128_final(struct shash_desc *desc, u8 *out) |
269 | { | 273 | { |
270 | struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm); | 274 | struct rmd128_ctx *rctx = shash_desc_ctx(desc); |
271 | u32 i, index, padlen; | 275 | u32 i, index, padlen; |
272 | __le64 bits; | 276 | __le64 bits; |
273 | __le32 *dst = (__le32 *)out; | 277 | __le32 *dst = (__le32 *)out; |
@@ -278,10 +282,10 @@ static void rmd128_final(struct crypto_tfm *tfm, u8 *out) | |||
278 | /* Pad out to 56 mod 64 */ | 282 | /* Pad out to 56 mod 64 */ |
279 | index = rctx->byte_count & 0x3f; | 283 | index = rctx->byte_count & 0x3f; |
280 | padlen = (index < 56) ? (56 - index) : ((64+56) - index); | 284 | padlen = (index < 56) ? (56 - index) : ((64+56) - index); |
281 | rmd128_update(tfm, padding, padlen); | 285 | rmd128_update(desc, padding, padlen); |
282 | 286 | ||
283 | /* Append length */ | 287 | /* Append length */ |
284 | rmd128_update(tfm, (const u8 *)&bits, sizeof(bits)); | 288 | rmd128_update(desc, (const u8 *)&bits, sizeof(bits)); |
285 | 289 | ||
286 | /* Store state in digest */ | 290 | /* Store state in digest */ |
287 | for (i = 0; i < 4; i++) | 291 | for (i = 0; i < 4; i++) |
@@ -289,31 +293,32 @@ static void rmd128_final(struct crypto_tfm *tfm, u8 *out) | |||
289 | 293 | ||
290 | /* Wipe context */ | 294 | /* Wipe context */ |
291 | memset(rctx, 0, sizeof(*rctx)); | 295 | memset(rctx, 0, sizeof(*rctx)); |
296 | |||
297 | return 0; | ||
292 | } | 298 | } |
293 | 299 | ||
294 | static struct crypto_alg alg = { | 300 | static struct shash_alg alg = { |
295 | .cra_name = "rmd128", | 301 | .digestsize = RMD128_DIGEST_SIZE, |
296 | .cra_driver_name = "rmd128", | 302 | .init = rmd128_init, |
297 | .cra_flags = CRYPTO_ALG_TYPE_DIGEST, | 303 | .update = rmd128_update, |
298 | .cra_blocksize = RMD128_BLOCK_SIZE, | 304 | .final = rmd128_final, |
299 | .cra_ctxsize = sizeof(struct rmd128_ctx), | 305 | .descsize = sizeof(struct rmd128_ctx), |
300 | .cra_module = THIS_MODULE, | 306 | .base = { |
301 | .cra_list = LIST_HEAD_INIT(alg.cra_list), | 307 | .cra_name = "rmd128", |
302 | .cra_u = { .digest = { | 308 | .cra_flags = CRYPTO_ALG_TYPE_SHASH, |
303 | .dia_digestsize = RMD128_DIGEST_SIZE, | 309 | .cra_blocksize = RMD128_BLOCK_SIZE, |
304 | .dia_init = rmd128_init, | 310 | .cra_module = THIS_MODULE, |
305 | .dia_update = rmd128_update, | 311 | } |
306 | .dia_final = rmd128_final } } | ||
307 | }; | 312 | }; |
308 | 313 | ||
309 | static int __init rmd128_mod_init(void) | 314 | static int __init rmd128_mod_init(void) |
310 | { | 315 | { |
311 | return crypto_register_alg(&alg); | 316 | return crypto_register_shash(&alg); |
312 | } | 317 | } |
313 | 318 | ||
314 | static void __exit rmd128_mod_fini(void) | 319 | static void __exit rmd128_mod_fini(void) |
315 | { | 320 | { |
316 | crypto_unregister_alg(&alg); | 321 | crypto_unregister_shash(&alg); |
317 | } | 322 | } |
318 | 323 | ||
319 | module_init(rmd128_mod_init); | 324 | module_init(rmd128_mod_init); |
@@ -321,5 +326,3 @@ module_exit(rmd128_mod_fini); | |||
321 | 326 | ||
322 | MODULE_LICENSE("GPL"); | 327 | MODULE_LICENSE("GPL"); |
323 | MODULE_DESCRIPTION("RIPEMD-128 Message Digest"); | 328 | MODULE_DESCRIPTION("RIPEMD-128 Message Digest"); |
324 | |||
325 | MODULE_ALIAS("rmd128"); | ||