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[RFC,20/30] crypto: rk3288/des - switch to new verification routines

Message ID 20190622003112.31033-21-ard.biesheuvel@linaro.org
State Superseded
Headers show
Series crypto: DES/3DES cleanup | expand

Commit Message

Ard Biesheuvel June 22, 2019, 12:31 a.m. UTC 
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

---
 drivers/crypto/rockchip/rk3288_crypto.h            |  2 +-
 drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c | 20 +++++++-------------
 2 files changed, 8 insertions(+), 14 deletions(-)

-- 
2.20.1
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Patch

diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h
index 54ee5b3ed9db..18e2b3f29336 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.h
+++ b/drivers/crypto/rockchip/rk3288_crypto.h
@@ -3,7 +3,7 @@ 
 #define __RK3288_CRYPTO_H__
 
 #include <crypto/aes.h>
-#include <crypto/des.h>
+#include <crypto/internal/des.h>
 #include <crypto/algapi.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
index 313759521a0f..1c24602bac83 100644
--- a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
+++ b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
@@ -50,14 +50,11 @@  static int rk_des_setkey(struct crypto_ablkcipher *cipher,
 			 const u8 *key, unsigned int keylen)
 {
 	struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
-	struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
-	u32 tmp[DES_EXPKEY_WORDS];
+	int err;
 
-	if (!des_ekey(tmp, key) &&
-	    (tfm->crt_flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {
-		tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
-		return -EINVAL;
-	}
+	err = crypto_des_verify_key(crypto_ablkcipher_tfm(cipher), key, keylen);
+	if (unlikely(err))
+		return err;
 
 	ctx->keylen = keylen;
 	memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen);
@@ -68,15 +65,12 @@  static int rk_tdes_setkey(struct crypto_ablkcipher *cipher,
 			  const u8 *key, unsigned int keylen)
 {
 	struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(cipher);
-	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 = crypto_des3_ede_verify_key(crypto_ablkcipher_tfm(cipher), key,
+					 keylen);
+	if (unlikely(err))
 		return err;
-	}
 
 	ctx->keylen = keylen;
 	memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen);