Thread (31 messages) 31 messages, 9 authors, 2022-10-20

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

From: Jarkko Sakkinen <jarkko@kernel.org>
Date: 2022-10-12 09:00:06
Also in: keyrings, linux-crypto, linux-integrity, lkml

In the short summary, please try to use imperative form and
accurate names. "Checking" means nothing.

On Thu, Oct 06, 2022 at 06:38:33PM +0530, Pankaj Gupta wrote:
Checking for hw bound key. If yes,
 - skipping the key-length validation to fall in min-max range.
What does "-" mean here? I seriously cannot interpret what I'm
reading.
quoted hunk ↗ jump to hunk
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
---
 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
BR, Jarkko
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