[PATCH] crypto:hisilicon/sec - fixup checking the 3DES weak key

[Kai Ye]

skcipher: Add a verifying to check whether the triple DES key
is weak.

Signed-off-by: Kai Ye <yeka...@huawei.com>
---
 drivers/crypto/hisilicon/sec2/sec_crypto.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c 
b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 2eaa516..ee18c88 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -7,6 +7,7 @@
 #include <crypto/des.h>
 #include <crypto/hash.h>
 #include <crypto/internal/aead.h>
+#include <crypto/internal/des.h>
 #include <crypto/sha1.h>
 #include <crypto/sha2.h>
 #include <crypto/skcipher.h>
@@ -573,10 +574,18 @@ static void sec_skcipher_uninit(struct crypto_skcipher 
*tfm)
        sec_ctx_base_uninit(ctx);
 }
 
-static int sec_skcipher_3des_setkey(struct sec_cipher_ctx *c_ctx,
+static int sec_skcipher_3des_setkey(struct crypto_skcipher *tfm, const u8 *key,
                                    const u32 keylen,
                                    const enum sec_cmode c_mode)
 {
+       struct sec_ctx *ctx = crypto_skcipher_ctx(tfm);
+       struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+       int ret;
+
+       ret = verify_skcipher_des3_key(tfm, key);
+       if (ret)
+               return ret;
+
        switch (keylen) {
        case SEC_DES3_2KEY_SIZE:
                c_ctx->c_key_len = SEC_CKEY_3DES_2KEY;
@@ -648,7 +657,7 @@ static int sec_skcipher_setkey(struct crypto_skcipher *tfm, 
const u8 *key,
 
        switch (c_alg) {
        case SEC_CALG_3DES:
-               ret = sec_skcipher_3des_setkey(c_ctx, keylen, c_mode);
+               ret = sec_skcipher_3des_setkey(tfm, key, keylen, c_mode);
                break;
        case SEC_CALG_AES:
        case SEC_CALG_SM4:
-- 
2.8.1