// SPDX-License-Identifier: GPL-2.0-or-later
-/**
+/*
* eCryptfs: Linux filesystem encryption layer
*
* Copyright (C) 1997-2004 Erez Zadok
struct extent_crypt_result ecr;
int rc = 0;
- if (!crypt_stat || !crypt_stat->tfm
- || !(crypt_stat->flags & ECRYPTFS_STRUCT_INITIALIZED))
- return -EINVAL;
-
if (unlikely(ecryptfs_verbosity > 0)) {
ecryptfs_printk(KERN_DEBUG, "Key size [%zd]; key:\n",
crypt_stat->key_size);
return rc;
}
-/**
+/*
* lower_offset_for_page
*
* Convert an eCryptfs page index into a lower byte offset
rc = crypt_extent(crypt_stat, page, page,
extent_offset, DECRYPT);
if (rc) {
- printk(KERN_ERR "%s: Error encrypting extent; "
+ printk(KERN_ERR "%s: Error decrypting extent; "
"rc = [%d]\n", __func__, rc);
goto out;
}
}
}
-/**
+/*
* ecryptfs_compute_root_iv
- * @crypt_stats
*
* On error, sets the root IV to all 0's.
*/
return rc;
}
-/**
+/*
* ecryptfs_read_metadata
*
* Common entry point for reading file metadata. From here, we could
return rc;
}
-/**
+/*
* ecryptfs_encrypt_filename - encrypt filename
*
* CBC-encrypts the filename. We do not want to encrypt the same
struct kmem_cache *ecryptfs_key_tfm_cache;
static struct list_head key_tfm_list;
-struct mutex key_tfm_list_mutex;
+DEFINE_MUTEX(key_tfm_list_mutex);
int __init ecryptfs_init_crypto(void)
{
- mutex_init(&key_tfm_list_mutex);
INIT_LIST_HEAD(&key_tfm_list);
return 0;
}
/**
* ecryptfs_encrypt_and_encode_filename - converts a plaintext file name to cipher text
- * @crypt_stat: The crypt_stat struct associated with the file anem to encode
+ * @encoded_name: The encrypted name
+ * @encoded_name_size: Length of the encrypted name
+ * @mount_crypt_stat: The crypt_stat struct associated with the file name to encode
* @name: The plaintext name
- * @length: The length of the plaintext
- * @encoded_name: The encypted name
+ * @name_size: The length of the plaintext name
*
* Encrypts and encodes a filename into something that constitutes a
* valid filename for a filesystem, with printable characters.
* ecryptfs_decode_and_decrypt_filename - converts the encoded cipher text name to decoded plaintext
* @plaintext_name: The plaintext name
* @plaintext_name_size: The plaintext name size
- * @ecryptfs_dir_dentry: eCryptfs directory dentry
+ * @sb: Ecryptfs's super_block
* @name: The filename in cipher text
* @name_size: The cipher text name size
*