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From: Pankaj Gupta <pankaj.gupta@nxp.com>
To: gaurav.jain@nxp.com, sahil.malhotra@nxp.com,
	kshitiz.varshney@nxp.com, horia.geanta@nxp.com,
	linux-kernel@vger.kernel.org, V.Sethi@nxp.com
Cc: Pankaj Gupta <pankaj.gupta@nxp.com>
Subject: [RFC PATCH HBK: 3/8] sk_cipher: checking for hw bound operation
Date: Mon,  5 Sep 2022 20:06:26 +0530	[thread overview]
Message-ID: <20220905143631.2832-4-pankaj.gupta@nxp.com> (raw)
In-Reply-To: <20220905143631.2832-1-pankaj.gupta@nxp.com>

Checking for hw bound key. If yes,
 - skipping the key-length validation, against the valid min-max range.

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


  parent reply	other threads:[~2022-09-05 13:35 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-05 14:36 [RFC PATCH HBK: 0/8] HW BOUND KEY as TRUSTED KEY Pankaj Gupta
2022-09-05 14:36 ` [RFC PATCH HBK: 1/8] keys-trusted: new cmd line option added Pankaj Gupta
2022-09-05 14:36 ` [RFC PATCH HBK: 2/8] hw-bound-key: flag-is_hbk added to the tfm Pankaj Gupta
2022-09-05 14:36 ` Pankaj Gupta [this message]
2022-09-05 14:36 ` [RFC PATCH HBK: 4/8] keys-trusted: re-factored caam based trusted key Pankaj Gupta
2022-09-05 14:36 ` [RFC PATCH HBK: 5/8] caam blob-gen: moving blob_priv to caam_drv_private Pankaj Gupta
2022-09-05 14:36 ` [RFC PATCH HBK: 6/8] KEYS: trusted: caam based black key Pankaj Gupta
2022-09-05 14:36 ` [RFC PATCH HBK: 7/8] caam alg: symmetric key ciphers are updated Pankaj Gupta
2022-09-05 14:36 ` [RFC PATCH HBK: 8/8] dm-crypt: consumer-app setting the flag-is_hbk Pankaj Gupta
2022-09-06  6:51 [RFC PATCH HBK: 0/8] HW BOUND KEY as TRUSTED KEY Pankaj Gupta
2022-09-06  6:51 ` [RFC PATCH HBK: 3/8] sk_cipher: checking for hw bound operation Pankaj Gupta

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