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path: root/drivers/crypto/marvell/cipher.c
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Diffstat (limited to 'drivers/crypto/marvell/cipher.c')
-rw-r--r--drivers/crypto/marvell/cipher.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c
index fb279b3a1ca1..f4321f3c0777 100644
--- a/drivers/crypto/marvell/cipher.c
+++ b/drivers/crypto/marvell/cipher.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Cipher algorithms supported by the CESA: DES, 3DES and AES.
*
@@ -6,10 +7,6 @@
*
* This work is based on an initial version written by
* Sebastian Andrzej Siewior < sebastian at breakpoint dot cc >
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#include <crypto/aes.h>
@@ -299,13 +296,12 @@ static int mv_cesa_des_setkey(struct crypto_skcipher *cipher, const u8 *key,
static int mv_cesa_des3_ede_setkey(struct crypto_skcipher *cipher,
const u8 *key, unsigned int len)
{
- struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
- struct mv_cesa_des_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct mv_cesa_des_ctx *ctx = crypto_skcipher_ctx(cipher);
+ int err;
- if (len != DES3_EDE_KEY_SIZE) {
- crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -EINVAL;
- }
+ err = des3_verify_key(cipher, key);
+ if (unlikely(err))
+ return err;
memcpy(ctx->key, key, DES3_EDE_KEY_SIZE);