diff options
Diffstat (limited to 'crypto/sha512_generic.c')
| -rw-r--r-- | crypto/sha512_generic.c | 52 |
1 files changed, 21 insertions, 31 deletions
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c index ed81813bd420..7368173f545e 100644 --- a/crypto/sha512_generic.c +++ b/crypto/sha512_generic.c @@ -6,16 +6,10 @@ * Copyright (c) 2003 Kyle McMartin <kyle@debian.org> */ #include <crypto/internal/hash.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/crypto.h> -#include <linux/types.h> #include <crypto/sha2.h> #include <crypto/sha512_base.h> -#include <linux/percpu.h> -#include <asm/byteorder.h> +#include <linux/kernel.h> +#include <linux/module.h> #include <linux/unaligned.h> const u8 sha384_zero_message_hash[SHA384_DIGEST_SIZE] = { @@ -145,47 +139,42 @@ sha512_transform(u64 *state, const u8 *input) state[4] += e; state[5] += f; state[6] += g; state[7] += h; } -static void sha512_generic_block_fn(struct sha512_state *sst, u8 const *src, - int blocks) +void sha512_generic_block_fn(struct sha512_state *sst, u8 const *src, + int blocks) { - while (blocks--) { + do { sha512_transform(sst->state, src); src += SHA512_BLOCK_SIZE; - } + } while (--blocks); } +EXPORT_SYMBOL_GPL(sha512_generic_block_fn); -int crypto_sha512_update(struct shash_desc *desc, const u8 *data, - unsigned int len) +static int crypto_sha512_update(struct shash_desc *desc, const u8 *data, + unsigned int len) { - return sha512_base_do_update(desc, data, len, sha512_generic_block_fn); + return sha512_base_do_update_blocks(desc, data, len, + sha512_generic_block_fn); } -EXPORT_SYMBOL(crypto_sha512_update); -static int sha512_final(struct shash_desc *desc, u8 *hash) +static int crypto_sha512_finup(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *hash) { - sha512_base_do_finalize(desc, sha512_generic_block_fn); + sha512_base_do_finup(desc, data, len, sha512_generic_block_fn); return sha512_base_finish(desc, hash); } -int crypto_sha512_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *hash) -{ - sha512_base_do_update(desc, data, len, sha512_generic_block_fn); - return sha512_final(desc, hash); -} -EXPORT_SYMBOL(crypto_sha512_finup); - static struct shash_alg sha512_algs[2] = { { .digestsize = SHA512_DIGEST_SIZE, .init = sha512_base_init, .update = crypto_sha512_update, - .final = sha512_final, .finup = crypto_sha512_finup, - .descsize = sizeof(struct sha512_state), + .descsize = SHA512_STATE_SIZE, .base = { .cra_name = "sha512", .cra_driver_name = "sha512-generic", .cra_priority = 100, + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY | + CRYPTO_AHASH_ALG_FINUP_MAX, .cra_blocksize = SHA512_BLOCK_SIZE, .cra_module = THIS_MODULE, } @@ -193,13 +182,14 @@ static struct shash_alg sha512_algs[2] = { { .digestsize = SHA384_DIGEST_SIZE, .init = sha384_base_init, .update = crypto_sha512_update, - .final = sha512_final, .finup = crypto_sha512_finup, - .descsize = sizeof(struct sha512_state), + .descsize = SHA512_STATE_SIZE, .base = { .cra_name = "sha384", .cra_driver_name = "sha384-generic", .cra_priority = 100, + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY | + CRYPTO_AHASH_ALG_FINUP_MAX, .cra_blocksize = SHA384_BLOCK_SIZE, .cra_module = THIS_MODULE, } @@ -215,7 +205,7 @@ static void __exit sha512_generic_mod_fini(void) crypto_unregister_shashes(sha512_algs, ARRAY_SIZE(sha512_algs)); } -subsys_initcall(sha512_generic_mod_init); +module_init(sha512_generic_mod_init); module_exit(sha512_generic_mod_fini); MODULE_LICENSE("GPL"); |