From e7e19cd9d8cc0f54ca463c4aebf7c4ef5e4f84f8 Mon Sep 17 00:00:00 2001 From: Zhihao Cheng Date: Mon, 11 Nov 2024 16:36:32 +0800 Subject: ubifs-utils: Split common source files from mkfs.ubifs Split common source files into common dir from mkfs.ubifs, this is a preparation for importing libubifs(from linux kernel) to replace current UBIFS libs. Signed-off-by: Zhihao Cheng Signed-off-by: David Oberhollenzer --- ubifs-utils/common/crypto.h | 58 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 ubifs-utils/common/crypto.h (limited to 'ubifs-utils/common/crypto.h') diff --git a/ubifs-utils/common/crypto.h b/ubifs-utils/common/crypto.h new file mode 100644 index 0000000..b6ffad1 --- /dev/null +++ b/ubifs-utils/common/crypto.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2017 sigma star gmbh + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 51 + * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Authors: David Oberhollenzer + */ + +#ifndef UBIFS_CRYPTO_H +#define UBIFS_CRYPTO_H + +#include +#include +#include +#include + + +struct cipher { + const char *name; + unsigned int key_length; + + ssize_t (*encrypt_block)(const void *plaintext, size_t size, + const void *key, uint64_t block_index, + void *ciphertext); + + ssize_t (*encrypt_fname)(const void *plaintext, size_t size, + const void *key, void *ciphertext); + + unsigned int fscrypt_block_mode; + unsigned int fscrypt_fname_mode; +}; + +#ifdef WITH_CRYPTO +int crypto_init(void); +void crypto_cleanup(void); +ssize_t derive_key_aes(const void *deriving_key, const void *source_key, + size_t source_key_len, void *derived_key); +int derive_key_descriptor(const void *source_key, void *descriptor); +struct cipher *get_cipher(const char *name); +void list_ciphers(FILE *fp); +#else +static inline int crypto_init(void) { return 0;} +static inline void crypto_cleanup(void) {} +#endif /* WITH_CRYPTO */ + +#endif /* UBIFS_CRYPTO_H */ + -- cgit v1.2.3