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| author | Eric Biggers <ebiggers@kernel.org> | 2025-11-22 11:42:03 -0800 |
|---|---|---|
| committer | Eric Biggers <ebiggers@kernel.org> | 2025-11-23 12:19:47 -0800 |
| commit | 580f1d31dff62b0f0034304bd75f169b8fec6f36 (patch) | |
| tree | 0c0bfc7465bfab6206ee0c4d79bf0429832ff242 /include/crypto | |
| parent | 2143d622cdf3bf93e61f2e0a728487bc871785e5 (diff) | |
| download | lwn-580f1d31dff62b0f0034304bd75f169b8fec6f36.tar.gz lwn-580f1d31dff62b0f0034304bd75f169b8fec6f36.zip | |
lib/crypto: md5: 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 md5 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/20251122194206.31822-4-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/md5.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/crypto/md5.h b/include/crypto/md5.h index c9aa5c3abc53..c47aedfe67ec 100644 --- a/include/crypto/md5.h +++ b/include/crypto/md5.h @@ -76,7 +76,7 @@ void md5_update(struct md5_ctx *ctx, const u8 *data, size_t len); * * Context: Any context. */ -void md5_final(struct md5_ctx *ctx, u8 out[MD5_DIGEST_SIZE]); +void md5_final(struct md5_ctx *ctx, u8 out[at_least MD5_DIGEST_SIZE]); /** * md5() - Compute MD5 message digest in one shot @@ -86,7 +86,7 @@ void md5_final(struct md5_ctx *ctx, u8 out[MD5_DIGEST_SIZE]); * * Context: Any context. */ -void md5(const u8 *data, size_t len, u8 out[MD5_DIGEST_SIZE]); +void md5(const u8 *data, size_t len, u8 out[at_least MD5_DIGEST_SIZE]); /** * struct hmac_md5_key - Prepared key for HMAC-MD5 @@ -173,7 +173,7 @@ static inline void hmac_md5_update(struct hmac_md5_ctx *ctx, * * Context: Any context. */ -void hmac_md5_final(struct hmac_md5_ctx *ctx, u8 out[MD5_DIGEST_SIZE]); +void hmac_md5_final(struct hmac_md5_ctx *ctx, u8 out[at_least MD5_DIGEST_SIZE]); /** * hmac_md5() - Compute HMAC-MD5 in one shot, using a prepared key @@ -187,7 +187,8 @@ void hmac_md5_final(struct hmac_md5_ctx *ctx, u8 out[MD5_DIGEST_SIZE]); * Context: Any context. */ void hmac_md5(const struct hmac_md5_key *key, - const u8 *data, size_t data_len, u8 out[MD5_DIGEST_SIZE]); + const u8 *data, size_t data_len, + u8 out[at_least MD5_DIGEST_SIZE]); /** * hmac_md5_usingrawkey() - Compute HMAC-MD5 in one shot, using a raw key @@ -204,6 +205,6 @@ void hmac_md5(const struct hmac_md5_key *key, */ void hmac_md5_usingrawkey(const u8 *raw_key, size_t raw_key_len, const u8 *data, size_t data_len, - u8 out[MD5_DIGEST_SIZE]); + u8 out[at_least MD5_DIGEST_SIZE]); #endif /* _CRYPTO_MD5_H */ |