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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2019-08-15 11:00:58 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2019-08-22 06:57:31 +0200
commitd4b90dbc8578c567827901e625018ead7561f741 (patch)
tree90cec0c47248ee6c754886224be55e929be443b9 /drivers/crypto/n2_core.c
parentcrypto: cesa/des - switch to new verification routines (diff)
downloadlinux-d4b90dbc8578c567827901e625018ead7561f741.tar.xz
linux-d4b90dbc8578c567827901e625018ead7561f741.zip
crypto: n2/des - switch to new verification routines
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/n2_core.c')
-rw-r--r--drivers/crypto/n2_core.c32
1 files changed, 9 insertions, 23 deletions
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 760e72a5893b..4765163df6be 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -17,7 +17,7 @@
#include <crypto/md5.h>
#include <crypto/sha.h>
#include <crypto/aes.h>
-#include <crypto/des.h>
+#include <crypto/internal/des.h>
#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/sched.h>
@@ -757,24 +757,15 @@ static int n2_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
static int n2_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
unsigned int keylen)
{
- struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
- struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm);
+ struct n2_cipher_context *ctx = crypto_ablkcipher_ctx(cipher);
struct n2_cipher_alg *n2alg = n2_cipher_alg(tfm);
- u32 tmp[DES_EXPKEY_WORDS];
int err;
- ctx->enc_type = n2alg->enc_type;
-
- if (keylen != DES_KEY_SIZE) {
- crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -EINVAL;
- }
+ err = verify_ablkcipher_des_key(cipher, key);
+ if (err)
+ return err;
- err = des_ekey(tmp, key);
- if (err == 0 && (tfm->crt_flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {
- tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
- return -EINVAL;
- }
+ ctx->enc_type = n2alg->enc_type;
ctx->key_len = keylen;
memcpy(ctx->key.des, key, keylen);
@@ -784,18 +775,13 @@ static int n2_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
static int n2_3des_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
unsigned int keylen)
{
- struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
- struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm);
+ struct n2_cipher_context *ctx = crypto_ablkcipher_ctx(cipher);
struct n2_cipher_alg *n2alg = n2_cipher_alg(tfm);
- u32 flags;
int err;
- 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;
- }
ctx->enc_type = n2alg->enc_type;