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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: linux-crypto@vger.kernel.org
Cc: herbert@gondor.apana.org.au, Ard Biesheuvel <ard.biesheuvel@linaro.org>
Subject: [PATCH v5 17/30] crypto: omap/des - switch to new verification routines
Date: Thu, 15 Aug 2019 12:00:59 +0300	[thread overview]
Message-ID: <20190815090112.9377-18-ard.biesheuvel@linaro.org> (raw)
In-Reply-To: <20190815090112.9377-1-ard.biesheuvel@linaro.org>

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 drivers/crypto/omap-des.c | 27 ++++++--------------
 1 file changed, 8 insertions(+), 19 deletions(-)

diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c
index 484a693122af..b19d7e5d55ec 100644
--- a/drivers/crypto/omap-des.c
+++ b/drivers/crypto/omap-des.c
@@ -33,7 +33,7 @@
 #include <linux/crypto.h>
 #include <linux/interrupt.h>
 #include <crypto/scatterwalk.h>
-#include <crypto/des.h>
+#include <crypto/internal/des.h>
 #include <crypto/algapi.h>
 #include <crypto/engine.h>
 
@@ -650,20 +650,13 @@ static int omap_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
 			   unsigned int keylen)
 {
 	struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(cipher);
-	struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+	int err;
 
 	pr_debug("enter, keylen: %d\n", keylen);
 
-	/* Do we need to test against weak key? */
-	if (tfm->crt_flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) {
-		u32 tmp[DES_EXPKEY_WORDS];
-		int ret = des_ekey(tmp, key);
-
-		if (!ret) {
-			tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
-			return -EINVAL;
-		}
-	}
+	err = verify_ablkcipher_des_key(cipher, key);
+	if (err)
+		return err;
 
 	memcpy(ctx->key, key, keylen);
 	ctx->keylen = keylen;
@@ -672,20 +665,16 @@ static int omap_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
 }
 
 static int omap_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
-			   unsigned int keylen)
+			    unsigned int keylen)
 {
 	struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(cipher);
-	u32 flags;
 	int err;
 
 	pr_debug("enter, keylen: %d\n", keylen);
 
-	flags = crypto_ablkcipher_get_flags(cipher);
-	err = __des3_verify_key(&flags, key);
-	if (unlikely(err)) {
-		crypto_ablkcipher_set_flags(cipher, flags);
+	err = verify_ablkcipher_des3_key(cipher, key);
+	if (err)
 		return err;
-	}
 
 	memcpy(ctx->key, key, keylen);
 	ctx->keylen = keylen;
-- 
2.17.1


  parent reply	other threads:[~2019-08-15  9:01 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-15  9:00 [PATCH v5 00/30] crypto: DES/3DES cleanup Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 01/30] crypto: des/3des_ede - add new helpers to verify keys Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 02/30] crypto: s390/des - switch to new verification routines Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 03/30] crypto: sparc/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 04/30] crypto: atmel/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 05/30] crypto: bcm/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 06/30] crypto: caam/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 07/30] crypto: cpt/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 08/30] crypto: nitrox/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 09/30] crypto: ccp/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 10/30] crypto: ccree/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 11/30] crypto: hifn/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 12/30] crypto: hisilicon/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 13/30] crypto: safexcel/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 14/30] crypto: ixp4xx/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 15/30] crypto: cesa/des " Ard Biesheuvel
2019-08-15  9:00 ` [PATCH v5 16/30] crypto: n2/des " Ard Biesheuvel
2019-08-15  9:00 ` Ard Biesheuvel [this message]
2019-08-15  9:01 ` [PATCH v5 18/30] crypto: picoxcell/des " Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 19/30] crypto: qce/des " Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 20/30] crypto: rk3288/des " Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 21/30] crypto: stm32/des " Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 22/30] crypto: sun4i/des " Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 23/30] crypto: talitos/des " Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 24/30] crypto: ux500/des " Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 25/30] crypto: 3des - move verification out of exported routine Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 26/30] crypto: des - remove unused function Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 27/30] crypto: des - split off DES library from generic DES cipher driver Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 28/30] crypto: x86/des - switch to library interface Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 29/30] crypto: des - remove now unused __des3_ede_setkey() Ard Biesheuvel
2019-08-15  9:01 ` [PATCH v5 30/30] fs: cifs: move from the crypto cipher API to the new DES library interface Ard Biesheuvel
2019-08-22  5:56 ` [PATCH v5 00/30] crypto: DES/3DES cleanup Herbert Xu

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