linux/fs/ubifs/crypto.c

// SPDX-License-Identifier: GPL-2.0
#include "ubifs.h"

static int ubifs_crypt_get_context(struct inode *inode, void *ctx, size_t len)
{ … }

static int ubifs_crypt_set_context(struct inode *inode, const void *ctx,
				   size_t len, void *fs_data)
{ … }

static bool ubifs_crypt_empty_dir(struct inode *inode)
{ … }

/**
 * ubifs_encrypt - Encrypt data.
 * @inode: inode which refers to the data node
 * @dn: data node to encrypt
 * @in_len: length of data to be compressed
 * @out_len: allocated memory size for the data area of @dn
 * @block: logical block number of the block
 *
 * This function encrypt a possibly-compressed data in the data node.
 * The encrypted data length will store in @out_len.
 */
int ubifs_encrypt(const struct inode *inode, struct ubifs_data_node *dn,
		  unsigned int in_len, unsigned int *out_len, int block)
{ … }

int ubifs_decrypt(const struct inode *inode, struct ubifs_data_node *dn,
		  unsigned int *out_len, int block)
{ … }

const struct fscrypt_operations ubifs_crypt_operations = …;