Commit 2d0d18d8 authored by Herbert Xu's avatar Herbert Xu
Browse files

crypto: arm/sha512 - Use API partial block handling 



Use the Crypto API partial block handling.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f294a6d9

arch/arm64/crypto/sha512-glue.c

+11 −17
Original line number Diff line number Diff line
@@ -6,10 +6,10 @@ 
 */



#include <crypto/internal/hash.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <crypto/sha2.h>

#include <crypto/sha512_base.h>

#include <linux/kernel.h>

#include <linux/module.h>



MODULE_DESCRIPTION("SHA-384/SHA-512 secure hash for arm64");

MODULE_AUTHOR("Andy Polyakov <appro@openssl.org>");
@@ -20,7 +20,6 @@ MODULE_ALIAS_CRYPTO("sha512"); 


asmlinkage void sha512_block_data_order(u64 *digest, const void *data,

					unsigned int num_blks);

EXPORT_SYMBOL(sha512_block_data_order);



static void sha512_arm64_transform(struct sha512_state *sst, u8 const *src,

				   int blocks)
@@ -31,46 +30,41 @@ static void sha512_arm64_transform(struct sha512_state *sst, u8 const *src, 
static int sha512_update(struct shash_desc *desc, const u8 *data,

			 unsigned int len)

{

	return sha512_base_do_update(desc, data, len, sha512_arm64_transform);

	return sha512_base_do_update_blocks(desc, data, len,

					    sha512_arm64_transform);

}



static int sha512_finup(struct shash_desc *desc, const u8 *data,

			unsigned int len, u8 *out)

{

	if (len)

		sha512_base_do_update(desc, data, len, sha512_arm64_transform);

	sha512_base_do_finalize(desc, sha512_arm64_transform);



	sha512_base_do_finup(desc, data, len, sha512_arm64_transform);

	return sha512_base_finish(desc, out);

}



static int sha512_final(struct shash_desc *desc, u8 *out)

{

	return sha512_finup(desc, NULL, 0, out);

}



static struct shash_alg algs[] = { {

	.digestsize		= SHA512_DIGEST_SIZE,

	.init			= sha512_base_init,

	.update			= sha512_update,

	.final			= sha512_final,

	.finup			= sha512_finup,

	.descsize		= sizeof(struct sha512_state),

	.descsize		= SHA512_STATE_SIZE,

	.base.cra_name		= "sha512",

	.base.cra_driver_name	= "sha512-arm64",

	.base.cra_priority	= 150,

	.base.cra_flags		= CRYPTO_AHASH_ALG_BLOCK_ONLY |

				  CRYPTO_AHASH_ALG_FINUP_MAX,

	.base.cra_blocksize	= SHA512_BLOCK_SIZE,

	.base.cra_module	= THIS_MODULE,

}, {

	.digestsize		= SHA384_DIGEST_SIZE,

	.init			= sha384_base_init,

	.update			= sha512_update,

	.final			= sha512_final,

	.finup			= sha512_finup,

	.descsize		= sizeof(struct sha512_state),

	.descsize		= SHA512_STATE_SIZE,

	.base.cra_name		= "sha384",

	.base.cra_driver_name	= "sha384-arm64",

	.base.cra_priority	= 150,

	.base.cra_flags		= CRYPTO_AHASH_ALG_BLOCK_ONLY |

				  CRYPTO_AHASH_ALG_FINUP_MAX,

	.base.cra_blocksize	= SHA384_BLOCK_SIZE,

	.base.cra_module	= THIS_MODULE,

} };