| Message ID | 5ace4b5c14b466dfe51b1b24cb6ed304dc2bf8e5.1746365585.git.herbert@gondor.apana.org.au |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,1/6] crypto: shash - Cap state size to HASH_MAX_STATESIZE | expand |
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h index e911f32f46dc..f2bbdb74e11a 100644 --- a/include/crypto/internal/hash.h +++ b/include/crypto/internal/hash.h @@ -301,5 +301,9 @@ static inline unsigned int crypto_shash_coresize(struct crypto_shash *tfm) return crypto_shash_statesize(tfm) - crypto_shash_blocksize(tfm) - 1; } +/* This can only be used if the request was never cloned. */ +#define HASH_REQUEST_ZERO(name) \ + memzero_explicit(__##name##_req, sizeof(__##name##_req)) + #endif /* _CRYPTO_INTERNAL_HASH_H */
Add a helper to zero hash stack requests that were never cloned off the stack. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- include/crypto/internal/hash.h | 4 ++++ 1 file changed, 4 insertions(+)