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| author | Eric Biggers <ebiggers@kernel.org> | 2025-11-22 22:42:05 +0300 |
|---|---|---|
| committer | Eric Biggers <ebiggers@kernel.org> | 2025-11-23 23:19:47 +0300 |
| commit | d5cc4e731de7edb1a2b7940d0f0badf9956dddb7 (patch) | |
| tree | 46f64ef5c6dac0f6729782c01cf8b4c60bb83c22 | |
| parent | c2099fa61664e8fe8844cccdb7d1d18a5f0f94d1 (diff) | |
| download | linux-d5cc4e731de7edb1a2b7940d0f0badf9956dddb7.tar.xz | |
lib/crypto: sha1: Add at_least decoration to fixed-size array params
Add the at_least (i.e. 'static') decoration to the fixed-size array
parameters of the sha1 library functions. This causes clang to warn
when a too-small array of known size is passed.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: "Jason A. Donenfeld" <Jason@zx2c4.com>
Link: https://lore.kernel.org/r/20251122194206.31822-6-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
| -rw-r--r-- | include/crypto/sha1.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/crypto/sha1.h b/include/crypto/sha1.h index 162a529ec841..27f08b972931 100644 --- a/include/crypto/sha1.h +++ b/include/crypto/sha1.h @@ -84,7 +84,7 @@ void sha1_update(struct sha1_ctx *ctx, const u8 *data, size_t len); * * Context: Any context. */ -void sha1_final(struct sha1_ctx *ctx, u8 out[SHA1_DIGEST_SIZE]); +void sha1_final(struct sha1_ctx *ctx, u8 out[at_least SHA1_DIGEST_SIZE]); /** * sha1() - Compute SHA-1 message digest in one shot @@ -94,7 +94,7 @@ void sha1_final(struct sha1_ctx *ctx, u8 out[SHA1_DIGEST_SIZE]); * * Context: Any context. */ -void sha1(const u8 *data, size_t len, u8 out[SHA1_DIGEST_SIZE]); +void sha1(const u8 *data, size_t len, u8 out[at_least SHA1_DIGEST_SIZE]); /** * struct hmac_sha1_key - Prepared key for HMAC-SHA1 @@ -181,7 +181,8 @@ static inline void hmac_sha1_update(struct hmac_sha1_ctx *ctx, * * Context: Any context. */ -void hmac_sha1_final(struct hmac_sha1_ctx *ctx, u8 out[SHA1_DIGEST_SIZE]); +void hmac_sha1_final(struct hmac_sha1_ctx *ctx, + u8 out[at_least SHA1_DIGEST_SIZE]); /** * hmac_sha1() - Compute HMAC-SHA1 in one shot, using a prepared key @@ -195,7 +196,8 @@ void hmac_sha1_final(struct hmac_sha1_ctx *ctx, u8 out[SHA1_DIGEST_SIZE]); * Context: Any context. */ void hmac_sha1(const struct hmac_sha1_key *key, - const u8 *data, size_t data_len, u8 out[SHA1_DIGEST_SIZE]); + const u8 *data, size_t data_len, + u8 out[at_least SHA1_DIGEST_SIZE]); /** * hmac_sha1_usingrawkey() - Compute HMAC-SHA1 in one shot, using a raw key @@ -212,6 +214,6 @@ void hmac_sha1(const struct hmac_sha1_key *key, */ void hmac_sha1_usingrawkey(const u8 *raw_key, size_t raw_key_len, const u8 *data, size_t data_len, - u8 out[SHA1_DIGEST_SIZE]); + u8 out[at_least SHA1_DIGEST_SIZE]); #endif /* _CRYPTO_SHA1_H */ |