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path: root/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
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Diffstat (limited to 'drivers/crypto/sunxi-ss/sun4i-ss-cipher.c')
-rw-r--r--drivers/crypto/sunxi-ss/sun4i-ss-cipher.c26
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
index 6f7cbf6c2b55..6536fd4bee65 100644
--- a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
+++ b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
@@ -542,25 +542,11 @@ int sun4i_ss_des_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keylen)
{
struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
- struct sun4i_ss_ctx *ss = op->ss;
- u32 flags;
- u32 tmp[DES_EXPKEY_WORDS];
- int ret;
-
- if (unlikely(keylen != DES_KEY_SIZE)) {
- dev_err(ss->dev, "Invalid keylen %u\n", keylen);
- crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -EINVAL;
- }
-
- flags = crypto_skcipher_get_flags(tfm);
+ int err;
- ret = des_ekey(tmp, key);
- if (unlikely(!ret) && (flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {
- crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_WEAK_KEY);
- dev_dbg(ss->dev, "Weak key %u\n", keylen);
- return -EINVAL;
- }
+ err = verify_skcipher_des_key(tfm, key);
+ if (err)
+ return err;
op->keylen = keylen;
memcpy(op->key, key, keylen);
@@ -578,8 +564,8 @@ int sun4i_ss_des3_setkey(struct crypto_skcipher *tfm, const u8 *key,
struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
int err;
- err = des3_verify_key(tfm, key);
- if (unlikely(err))
+ err = verify_skcipher_des3_key(tfm, key);
+ if (err)
return err;
op->keylen = keylen;