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lib/crypto: mldsa: Add __must_check to mldsa_verify()

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Signature verification status always must be checked.  Add __must_check,
for consistency with e.g. the AES-GCM and ChaCha20Poly1305 functions.

No effect on current callers, who always check the return value.

Fixes: 64edccea59 ("lib/crypto: Add ML-DSA verification support")
Cc: stable@vger.kernel.org
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://patch.msgid.link/20261029054534.68481-4-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
This commit is contained in:
Eric Biggers 2026-10-28 22:45:34 -07:00
parent efb621a57d
commit 01ad209f12
1 changed files with 3 additions and 2 deletions
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5
include/crypto/mldsa.h
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@ -52,8 +52,9 @@ enum mldsa_alg {
* * -EKEYREJECTED if the signature is invalid but otherwise well-formed
* * -ENOMEM if out of memory so the validity of the signature is unknown
*/
int mldsa_verify(enum mldsa_alg alg, const u8 *sig, size_t sig_len,
const u8 *msg, size_t msg_len, const u8 *pk, size_t pk_len);
int __must_check mldsa_verify(enum mldsa_alg alg, const u8 *sig, size_t sig_len,
const u8 *msg, size_t msg_len, const u8 *pk,
size_t pk_len);
#if IS_ENABLED(CONFIG_CRYPTO_LIB_MLDSA_KUNIT_TEST)
/* Internal function, exposed only for unit testing */