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crypto: lib/sha256 - Remove redundant and unused sha224_update

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The function sha224_update is exactly the same as sha256_update.
Moreover it's not even used in the kernel so it can be removed.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2023-05-11 12:29:36 +08:00
parent ac52578d6e
commit 70d391a863
2 changed files with 1 additions and 7 deletions
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2
include/crypto/sha2.h
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@ -128,7 +128,7 @@ static inline void sha224_init(struct sha256_state *sctx)
sctx->state[7] = SHA224_H7;
sctx->count = 0;
}
void sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len);
/* Simply use sha256_update as it is equivalent to sha224_update. */
void sha224_final(struct sha256_state *sctx, u8 *out);
#endif /* _CRYPTO_SHA2_H */

6
lib/crypto/sha256.c
View File

@ -151,12 +151,6 @@ void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
}
EXPORT_SYMBOL(sha256_update);
void sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
{
sha256_update(sctx, data, len);
}
EXPORT_SYMBOL(sha224_update);
static void __sha256_final(struct sha256_state *sctx, u8 *out, int digest_words)
{
__be32 *dst = (__be32 *)out;