crypto: sun4i/des - switch to new verification routines

Cc: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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;

drivers/crypto/sunxi-ss/sun4i-ss.h

@@ -29,7 +29,7 @@
 #include <crypto/internal/hash.h>
 #include <crypto/internal/skcipher.h>
 #include <crypto/aes.h>
-#include <crypto/des.h>
+#include <crypto/internal/des.h>
 #include <crypto/internal/rng.h>
 #include <crypto/rng.h>