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| author | Tianjia Zhang <tianjia.zhang@linux.alibaba.com> | 2020-09-21 00:20:54 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-09-25 17:48:53 +1000 |
| commit | f49282870fb039e3c2e5c3341bd27875282609d7 (patch) | |
| tree | 0a5907437ebe5bf42e377157b0ea315715a6bfea | |
| parent | d8e887661711d668f5926a3d849c08c203fb0381 (diff) | |
| download | linux-stable-f49282870fb039e3c2e5c3341bd27875282609d7.tar.gz linux-stable-f49282870fb039e3c2e5c3341bd27875282609d7.tar.bz2 linux-stable-f49282870fb039e3c2e5c3341bd27875282609d7.zip | |
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: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Tested-by: Xufeng Zhang <yunbo.xufeng@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/sm3_generic.c | 7 | ||||
| -rw-r--r-- | 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 |