summaryrefslogtreecommitdiff
path: root/fs/f2fs/crypto_fname.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/f2fs/crypto_fname.c')
-rw-r--r--fs/f2fs/crypto_fname.c32
1 files changed, 15 insertions, 17 deletions
diff --git a/fs/f2fs/crypto_fname.c b/fs/f2fs/crypto_fname.c
index ab377d496a39..16aec6653291 100644
--- a/fs/f2fs/crypto_fname.c
+++ b/fs/f2fs/crypto_fname.c
@@ -15,11 +15,9 @@
*
* This has not yet undergone a rigorous security audit.
*/
-#include <crypto/hash.h>
-#include <crypto/sha.h>
+#include <crypto/skcipher.h>
#include <keys/encrypted-type.h>
#include <keys/user-type.h>
-#include <linux/crypto.h>
#include <linux/gfp.h>
#include <linux/kernel.h>
#include <linux/key.h>
@@ -70,10 +68,10 @@ static int f2fs_fname_encrypt(struct inode *inode,
const struct qstr *iname, struct f2fs_str *oname)
{
u32 ciphertext_len;
- struct ablkcipher_request *req = NULL;
+ struct skcipher_request *req = NULL;
DECLARE_F2FS_COMPLETION_RESULT(ecr);
struct f2fs_crypt_info *ci = F2FS_I(inode)->i_crypt_info;
- struct crypto_ablkcipher *tfm = ci->ci_ctfm;
+ struct crypto_skcipher *tfm = ci->ci_ctfm;
int res = 0;
char iv[F2FS_CRYPTO_BLOCK_SIZE];
struct scatterlist src_sg, dst_sg;
@@ -99,14 +97,14 @@ static int f2fs_fname_encrypt(struct inode *inode,
}
/* Allocate request */
- req = ablkcipher_request_alloc(tfm, GFP_NOFS);
+ req = skcipher_request_alloc(tfm, GFP_NOFS);
if (!req) {
printk_ratelimited(KERN_ERR
"%s: crypto_request_alloc() failed\n", __func__);
kfree(alloc_buf);
return -ENOMEM;
}
- ablkcipher_request_set_callback(req,
+ skcipher_request_set_callback(req,
CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP,
f2fs_dir_crypt_complete, &ecr);
@@ -121,15 +119,15 @@ static int f2fs_fname_encrypt(struct inode *inode,
/* Create encryption request */
sg_init_one(&src_sg, workbuf, ciphertext_len);
sg_init_one(&dst_sg, oname->name, ciphertext_len);
- ablkcipher_request_set_crypt(req, &src_sg, &dst_sg, ciphertext_len, iv);
- res = crypto_ablkcipher_encrypt(req);
+ skcipher_request_set_crypt(req, &src_sg, &dst_sg, ciphertext_len, iv);
+ res = crypto_skcipher_encrypt(req);
if (res == -EINPROGRESS || res == -EBUSY) {
BUG_ON(req->base.data != &ecr);
wait_for_completion(&ecr.completion);
res = ecr.res;
}
kfree(alloc_buf);
- ablkcipher_request_free(req);
+ skcipher_request_free(req);
if (res < 0) {
printk_ratelimited(KERN_ERR
"%s: Error (error code %d)\n", __func__, res);
@@ -148,11 +146,11 @@ static int f2fs_fname_encrypt(struct inode *inode,
static int f2fs_fname_decrypt(struct inode *inode,
const struct f2fs_str *iname, struct f2fs_str *oname)
{
- struct ablkcipher_request *req = NULL;
+ struct skcipher_request *req = NULL;
DECLARE_F2FS_COMPLETION_RESULT(ecr);
struct scatterlist src_sg, dst_sg;
struct f2fs_crypt_info *ci = F2FS_I(inode)->i_crypt_info;
- struct crypto_ablkcipher *tfm = ci->ci_ctfm;
+ struct crypto_skcipher *tfm = ci->ci_ctfm;
int res = 0;
char iv[F2FS_CRYPTO_BLOCK_SIZE];
unsigned lim = max_name_len(inode);
@@ -161,13 +159,13 @@ static int f2fs_fname_decrypt(struct inode *inode,
return -EIO;
/* Allocate request */
- req = ablkcipher_request_alloc(tfm, GFP_NOFS);
+ req = skcipher_request_alloc(tfm, GFP_NOFS);
if (!req) {
printk_ratelimited(KERN_ERR
"%s: crypto_request_alloc() failed\n", __func__);
return -ENOMEM;
}
- ablkcipher_request_set_callback(req,
+ skcipher_request_set_callback(req,
CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP,
f2fs_dir_crypt_complete, &ecr);
@@ -177,14 +175,14 @@ static int f2fs_fname_decrypt(struct inode *inode,
/* Create decryption request */
sg_init_one(&src_sg, iname->name, iname->len);
sg_init_one(&dst_sg, oname->name, oname->len);
- ablkcipher_request_set_crypt(req, &src_sg, &dst_sg, iname->len, iv);
- res = crypto_ablkcipher_decrypt(req);
+ skcipher_request_set_crypt(req, &src_sg, &dst_sg, iname->len, iv);
+ res = crypto_skcipher_decrypt(req);
if (res == -EINPROGRESS || res == -EBUSY) {
BUG_ON(req->base.data != &ecr);
wait_for_completion(&ecr.completion);
res = ecr.res;
}
- ablkcipher_request_free(req);
+ skcipher_request_free(req);
if (res < 0) {
printk_ratelimited(KERN_ERR
"%s: Error in f2fs_fname_decrypt (error code %d)\n",