[PATCH v0 4/8] sk_cipher: checking for hw bound operation

From: Pankaj Gupta
Date: Thu Oct 06 2022 - 08:04:05 EST


Checking for hw bound key. If yes,
- skipping the key-length validation to fall in min-max range.

Signed-off-by: Pankaj Gupta <pankaj.gupta@xxxxxxx>
---
crypto/skcipher.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index 418211180cee..0f2d0228d73e 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -598,7 +598,8 @@ int crypto_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned long alignmask = crypto_skcipher_alignmask(tfm);
int err;

- if (keylen < cipher->min_keysize || keylen > cipher->max_keysize)
+ if ((!tfm->base.is_hbk)
+ && (keylen < cipher->min_keysize || keylen > cipher->max_keysize))
return -EINVAL;

if ((unsigned long)key & alignmask)
--
2.17.1