From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tianjia Zhang Date: Thu, 09 Jul 2020 08:40:08 +0000 Subject: [PATCH v5 1/8] crypto: sm3 - export crypto_sm3_final function Message-Id: <20200709084015.21886-2-tianjia.zhang@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit List-Id: References: <20200709084015.21886-1-tianjia.zhang@linux.alibaba.com> In-Reply-To: <20200709084015.21886-1-tianjia.zhang@linux.alibaba.com> To: herbert@gondor.apana.org.au, davem@davemloft.net, dhowells@redhat.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, jmorris@namei.org, serge@hallyn.com, nramas@linux.microsoft.com, tusharsu@linux.microsoft.com, zohar@linux.ibm.com, vt@altlinux.org, gilad@benyossef.com, pvanleeuwen@rambus.com, zhang.jia@linux.alibaba.com Cc: tianjia.zhang@linux.alibaba.com, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-integrity@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org 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: Tianjia Zhang --- crypto/sm3_generic.c | 7 ++++--- include/crypto/sm3.h | 2 ++ 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/crypto/sm3_generic.c b/crypto/sm3_generic.c index 3468975215ca..193c4584bd00 100644 --- a/crypto/sm3_generic.c +++ b/crypto/sm3_generic.c @@ -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 = { diff --git a/include/crypto/sm3.h b/include/crypto/sm3.h index 1438942dc773..42ea21289ba9 100644 --- a/include/crypto/sm3.h +++ b/include/crypto/sm3.h @@ -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 -- 2.17.1