[PATCH] eCryptfs: Cipher code to new crypto API

Update cipher block encryption code to the new crypto API.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 840aa010e0d3..199fcda50e1b 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -205,7 +205,7 @@ struct ecryptfs_crypt_stat {
         size_t extent_shift;
         unsigned int extent_mask;
         struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
-        struct crypto_tfm *tfm;
+        struct crypto_blkcipher *tfm;
         struct crypto_hash *hash_tfm; /* Crypto context for generating
                                        * the initialization vectors */
         unsigned char cipher[ECRYPTFS_MAX_CIPHER_NAME_SIZE];
@@ -245,7 +245,7 @@ struct ecryptfs_mount_crypt_stat {
         struct ecryptfs_auth_tok *global_auth_tok;
         struct key *global_auth_tok_key;
         size_t global_default_cipher_key_size;
-        struct crypto_tfm *global_key_tfm;
+        struct crypto_blkcipher *global_key_tfm;
         struct mutex global_key_tfm_mutex;
         unsigned char global_default_cipher_name[ECRYPTFS_MAX_CIPHER_NAME_SIZE
                                                  + 1];
@@ -426,6 +426,9 @@ void ecryptfs_destruct_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat);
 void ecryptfs_destruct_mount_crypt_stat(
         struct ecryptfs_mount_crypt_stat *mount_crypt_stat);
 int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat);
+int ecryptfs_crypto_api_algify_cipher_name(char **algified_name,
+                                           char *cipher_name,
+                                           char *chaining_modifier);
 int ecryptfs_write_inode_size_to_header(struct file *lower_file,
                                         struct inode *lower_inode,
                                         struct inode *inode);
@@ -474,7 +477,7 @@ ecryptfs_parse_packet_set(struct ecryptfs_crypt_stat *crypt_stat,
                           unsigned char *src, struct dentry *ecryptfs_dentry);
 int ecryptfs_truncate(struct dentry *dentry, loff_t new_length);
 int
-ecryptfs_process_cipher(struct crypto_tfm **key_tfm, char *cipher_name,
+ecryptfs_process_cipher(struct crypto_blkcipher **key_tfm, char *cipher_name,
                         size_t *key_size);
 int ecryptfs_inode_test(struct inode *inode, void *candidate_lower_inode);
 int ecryptfs_inode_set(struct inode *inode, void *lower_inode);