Commit f4928287 authored by Tianjia Zhang's avatar Tianjia Zhang Committed by Herbert Xu
Browse files

crypto: sm3 - export crypto_sm3_final function 



Both crypto_sm3_update and crypto_sm3_finup have been
exported, exporting crypto_sm3_final, to avoid having to
use crypto_sm3_finup(desc, NULL, 0, dgst) to calculate
the hash in some cases.

Signed-off-by: default avatarTianjia Zhang <tianjia.zhang@linux.alibaba.com>
Tested-by: default avatarXufeng Zhang <yunbo.xufeng@linux.alibaba.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent d8e88766

crypto/sm3_generic.c

+4 −3
Original line number Diff line number Diff line
@@ -149,17 +149,18 @@ int crypto_sm3_update(struct shash_desc *desc, const u8 *data, 
}

EXPORT_SYMBOL(crypto_sm3_update);



static int sm3_final(struct shash_desc *desc, u8 *out)

int crypto_sm3_final(struct shash_desc *desc, u8 *out)

{

	sm3_base_do_finalize(desc, sm3_generic_block_fn);

	return sm3_base_finish(desc, out);

}

EXPORT_SYMBOL(crypto_sm3_final);



int crypto_sm3_finup(struct shash_desc *desc, const u8 *data,

			unsigned int len, u8 *hash)

{

	sm3_base_do_update(desc, data, len, sm3_generic_block_fn);

	return sm3_final(desc, hash);

	return crypto_sm3_final(desc, hash);

}

EXPORT_SYMBOL(crypto_sm3_finup);
@@ -167,7 +168,7 @@ static struct shash_alg sm3_alg = { 
	.digestsize	=	SM3_DIGEST_SIZE,

	.init		=	sm3_base_init,

	.update		=	crypto_sm3_update,

	.final		=	sm3_final,

	.final		=	crypto_sm3_final,

	.finup		=	crypto_sm3_finup,

	.descsize	=	sizeof(struct sm3_state),

	.base		=	{

include/crypto/sm3.h

+2 −0
Original line number Diff line number Diff line
@@ -35,6 +35,8 @@ struct shash_desc; 
extern int crypto_sm3_update(struct shash_desc *desc, const u8 *data,

			      unsigned int len);



extern int crypto_sm3_final(struct shash_desc *desc, u8 *out);



extern int crypto_sm3_finup(struct shash_desc *desc, const u8 *data,

			     unsigned int len, u8 *hash);

#endif