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crypto: arm/sha256-asm - Use API partial block handling

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Use the Crypto API partial block handling.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2025-04-18 10:59:55 +08:00
parent 83498139b6
commit 5cd5d39e7b
2 changed files with 19 additions and 35 deletions
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46
arch/arm/crypto/sha256_glue.c
View File

@ -10,58 +10,47 @@
* Author: Tim Chen <tim.c.chen@linux.intel.com>
*/
#include <asm/neon.h>
#include <crypto/internal/hash.h>
#include <linux/crypto.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/types.h>
#include <linux/string.h>
#include <crypto/sha2.h>
#include <crypto/sha256_base.h>
#include <asm/simd.h>
#include <asm/neon.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include "sha256_glue.h"
asmlinkage void sha256_block_data_order(struct sha256_state *state,
asmlinkage void sha256_block_data_order(struct crypto_sha256_state *state,
const u8 *data, int num_blks);
int crypto_sha256_arm_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
static int crypto_sha256_arm_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
/* make sure casting to sha256_block_fn() is safe */
BUILD_BUG_ON(offsetof(struct sha256_state, state) != 0);
BUILD_BUG_ON(offsetof(struct crypto_sha256_state, state) != 0);
return sha256_base_do_update(desc, data, len, sha256_block_data_order);
return sha256_base_do_update_blocks(desc, data, len,
sha256_block_data_order);
}
EXPORT_SYMBOL(crypto_sha256_arm_update);
static int crypto_sha256_arm_final(struct shash_desc *desc, u8 *out)
static int crypto_sha256_arm_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
sha256_base_do_finalize(desc, sha256_block_data_order);
sha256_base_do_finup(desc, data, len, sha256_block_data_order);
return sha256_base_finish(desc, out);
}
int crypto_sha256_arm_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
sha256_base_do_update(desc, data, len, sha256_block_data_order);
return crypto_sha256_arm_final(desc, out);
}
EXPORT_SYMBOL(crypto_sha256_arm_finup);
static struct shash_alg algs[] = { {
.digestsize = SHA256_DIGEST_SIZE,
.init = sha256_base_init,
.update = crypto_sha256_arm_update,
.final = crypto_sha256_arm_final,
.finup = crypto_sha256_arm_finup,
.descsize = sizeof(struct sha256_state),
.descsize = sizeof(struct crypto_sha256_state),
.base = {
.cra_name = "sha256",
.cra_driver_name = "sha256-asm",
.cra_priority = 150,
.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY |
CRYPTO_AHASH_ALG_FINUP_MAX,
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@ -69,13 +58,14 @@ static struct shash_alg algs[] = { {
.digestsize = SHA224_DIGEST_SIZE,
.init = sha224_base_init,
.update = crypto_sha256_arm_update,
.final = crypto_sha256_arm_final,
.finup = crypto_sha256_arm_finup,
.descsize = sizeof(struct sha256_state),
.descsize = sizeof(struct crypto_sha256_state),
.base = {
.cra_name = "sha224",
.cra_driver_name = "sha224-asm",
.cra_priority = 150,
.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY |
CRYPTO_AHASH_ALG_FINUP_MAX,
.cra_blocksize = SHA224_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}

8
arch/arm/crypto/sha256_glue.h
View File

@ -2,14 +2,8 @@
#ifndef _CRYPTO_SHA256_GLUE_H
#define _CRYPTO_SHA256_GLUE_H
#include <linux/crypto.h>
#include <crypto/hash.h>
extern struct shash_alg sha256_neon_algs[2];
int crypto_sha256_arm_update(struct shash_desc *desc, const u8 *data,
unsigned int len);
int crypto_sha256_arm_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *hash);
#endif /* _CRYPTO_SHA256_GLUE_H */