Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

lib/crypto: poly1305: 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 poly1305 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/20251122194206.31822-5-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

+1 -1
+1 -1
include/crypto/poly1305.h
··· 59 59 }; 60 60 61 61 void poly1305_init(struct poly1305_desc_ctx *desc, 62 - const u8 key[POLY1305_KEY_SIZE]); 62 + const u8 key[at_least POLY1305_KEY_SIZE]); 63 63 void poly1305_update(struct poly1305_desc_ctx *desc, 64 64 const u8 *src, unsigned int nbytes); 65 65 void poly1305_final(struct poly1305_desc_ctx *desc, u8 *digest);