diff options
| author | Eric Biggers <ebiggers@google.com> | 2025-04-28 10:00:38 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-05 18:20:44 +0800 |
| commit | 7350fef56b7629a539897c332d7324629580671d (patch) | |
| tree | 2c5dbbdc0165378a0ca37ea7b922a4a1f61ede5e | |
| parent | 5aab01777fd38ff820bd7ae6cbc15d03b85de92f (diff) | |
crypto: lib/sha256 - improve function prototypes
Follow best practices by changing the length parameters to size_t and
explicitly specifying the length of the output digest arrays.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | include/crypto/sha2.h | 8 | ||||
| -rw-r--r-- | lib/crypto/sha256.c | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/include/crypto/sha2.h b/include/crypto/sha2.h index 9a56286d736d..9853cd2d1291 100644 --- a/include/crypto/sha2.h +++ b/include/crypto/sha2.h @@ -100,9 +100,9 @@ static inline void sha256_init(struct sha256_state *sctx) sctx->state[7] = SHA256_H7; sctx->count = 0; } -void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len); -void sha256_final(struct sha256_state *sctx, u8 *out); -void sha256(const u8 *data, unsigned int len, u8 *out); +void sha256_update(struct sha256_state *sctx, const u8 *data, size_t len); +void sha256_final(struct sha256_state *sctx, u8 out[SHA256_DIGEST_SIZE]); +void sha256(const u8 *data, size_t len, u8 out[SHA256_DIGEST_SIZE]); static inline void sha224_init(struct sha256_state *sctx) { @@ -117,6 +117,6 @@ static inline void sha224_init(struct sha256_state *sctx) sctx->count = 0; } /* Simply use sha256_update as it is equivalent to sha224_update. */ -void sha224_final(struct sha256_state *sctx, u8 *out); +void sha224_final(struct sha256_state *sctx, u8 out[SHA224_DIGEST_SIZE]); #endif /* _CRYPTO_SHA2_H */ diff --git a/lib/crypto/sha256.c b/lib/crypto/sha256.c index 4b19cf977ef1..563f09c9f381 100644 --- a/lib/crypto/sha256.c +++ b/lib/crypto/sha256.c @@ -70,7 +70,7 @@ static inline void __sha256_update(struct sha256_state *sctx, const u8 *data, memcpy(&sctx->buf[partial], data, len); } -void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len) +void sha256_update(struct sha256_state *sctx, const u8 *data, size_t len) { __sha256_update(sctx, data, len, false); } @@ -101,19 +101,19 @@ static inline void __sha256_final(struct sha256_state *sctx, u8 *out, memzero_explicit(sctx, sizeof(*sctx)); } -void sha256_final(struct sha256_state *sctx, u8 *out) +void sha256_final(struct sha256_state *sctx, u8 out[SHA256_DIGEST_SIZE]) { __sha256_final(sctx, out, SHA256_DIGEST_SIZE, false); } EXPORT_SYMBOL(sha256_final); -void sha224_final(struct sha256_state *sctx, u8 *out) +void sha224_final(struct sha256_state *sctx, u8 out[SHA224_DIGEST_SIZE]) { __sha256_final(sctx, out, SHA224_DIGEST_SIZE, false); } EXPORT_SYMBOL(sha224_final); -void sha256(const u8 *data, unsigned int len, u8 *out) +void sha256(const u8 *data, size_t len, u8 out[SHA256_DIGEST_SIZE]) { struct sha256_state sctx; |