Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
---
drivers/crypto/stm32/stm32-cryp.c | 30 ++++----------------
1 file changed, 5 insertions(+), 25 deletions(-)
diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c
index 98ae02826e8f..a704b1d38436 100644
--- a/drivers/crypto/stm32/stm32-cryp.c
+++ b/drivers/crypto/stm32/stm32-cryp.c
@@ -15,7 +15,7 @@
#include <linux/reset.h>
#include <crypto/aes.h>
-#include <crypto/des.h>
+#include <crypto/internal/des.h>
#include <crypto/engine.h>
#include <crypto/scatterwalk.h>
#include <crypto/internal/aead.h>
@@ -767,35 +767,15 @@ static int stm32_cryp_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
static int stm32_cryp_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
unsigned int keylen)
{
- u32 tmp[DES_EXPKEY_WORDS];
-
- if (keylen != DES_KEY_SIZE)
- return -EINVAL;
-
- if ((crypto_ablkcipher_get_flags(tfm) &
- CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) &&
- unlikely(!des_ekey(tmp, key))) {
- crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_WEAK_KEY);
- return -EINVAL;
- }
-
- return stm32_cryp_setkey(tfm, key, keylen);
+ return crypto_des_verify_key(crypto_ablkcipher_tfm(tfm), key) ?:
+ stm32_cryp_setkey(tfm, key, keylen);
}
static int stm32_cryp_tdes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
unsigned int keylen)
{
- u32 flags;
- int err;
-
- flags = crypto_ablkcipher_get_flags(tfm);
- err = __des3_verify_key(&flags, key);
- if (unlikely(err)) {
- crypto_ablkcipher_set_flags(tfm, flags);
- return err;
- }
-
- return stm32_cryp_setkey(tfm, key, keylen);
+ return crypto_des3_ede_verify_key(crypto_ablkcipher_tfm(tfm), key) ?:
+ stm32_cryp_setkey(tfm, key, keylen);
}
static int stm32_cryp_aes_aead_setkey(struct crypto_aead *tfm, const u8 *key,
--
2.17.1
