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Diffstat (limited to 'Source/lib/crypto/crypters/crypter.h')
| -rw-r--r-- | Source/lib/crypto/crypters/crypter.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/Source/lib/crypto/crypters/crypter.h b/Source/lib/crypto/crypters/crypter.h deleted file mode 100644 index 9c219f5cc..000000000 --- a/Source/lib/crypto/crypters/crypter.h +++ /dev/null @@ -1,153 +0,0 @@ -/** - * @file crypter.h - * - * @brief Interface crypter_t - * - */ - -/* - * Copyright (C) 2005 Jan Hutter, Martin Willi - * Hochschule fuer Technik Rapperswil - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. - * - * 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. - */ - -#ifndef CRYPTER_H_ -#define CRYPTER_H_ - -#include <types.h> - -typedef enum encryption_algorithm_t encryption_algorithm_t; - -/** - * @brief Encryption algorithm, as in IKEv2 RFC 3.3.2. - * - * Currently only the following algorithms are implemented and therefore supported: - * - ENCR_AES_CBC - * - * @todo Implement more enryption algorithms, such as 3DES - * - * @ingroup crypters - */ -enum encryption_algorithm_t { - ENCR_UNDEFINED = 1024, - ENCR_DES_IV64 = 1, - ENCR_DES = 2, - ENCR_3DES = 3, - ENCR_RC5 = 4, - ENCR_IDEA = 5, - ENCR_CAST = 6, - ENCR_BLOWFISH = 7, - ENCR_3IDEA = 8, - ENCR_DES_IV32 = 9, - ENCR_NULL = 11, - /** - * Implemented in class aes_cbc_crypter_t. - */ - ENCR_AES_CBC = 12, - ENCR_AES_CTR = 13 -}; - -/** - * String mappings for encryption_algorithm_t. - */ -extern mapping_t encryption_algorithm_m[]; - - -typedef struct crypter_t crypter_t; - -/** - * @brief Generic interface for symmetric encryption algorithms. - * - * @b Constructors: - * - crypter_create() - * - * @ingroup crypters - */ -struct crypter_t { - /** - * @brief Encrypt a chunk of data and allocate space for the encrypted value. - * - * @param this calling object - * @param data data to encrypt - * @param iv initializing vector - * @param[out] encrypted pointer where the encrypted bytes will be written - * @return - * - SUCCESS - * - INVALID_ARG if data size not a multiple of block size - */ - status_t (*encrypt) (crypter_t *this, chunk_t data, chunk_t iv, chunk_t *encrypted); - - /** - * @brief Decrypt a chunk of data and allocate space for the decrypted value. - * - * @param this calling object - * @param data data to decrypt - * @param iv initializing vector - * @param[out] encrypted pointer where the decrypted bytes will be written - * @return - * - SUCCESS - * - INVALID_ARG if data size not a multiple of block size - */ - status_t (*decrypt) (crypter_t *this, chunk_t data, chunk_t iv, chunk_t *decrypted); - - /** - * @brief Get the block size of this crypter_t object. - * - * @param this calling object - * @return block size in bytes - */ - size_t (*get_block_size) (crypter_t *this); - - /** - * @brief Get the key size of this crypter_t object. - * - * @param this calling object - * @return key size in bytes - */ - size_t (*get_key_size) (crypter_t *this); - - /** - * @brief Set the key for this crypter_t object. - * - * @param this calling object - * @param key key to set - * @return - * - SUCCESS - * - INVALID_ARG if key length invalid - */ - status_t (*set_key) (crypter_t *this, chunk_t key); - - /** - * @brief Destroys a crypter_t object. - * - * @param this calling object - */ - void (*destroy) (crypter_t *this); -}; - -/** - * @brief Generic constructor for crypter_t objects. - * - * Currently only the following algorithms are implemented and therefore supported: - * - ENCR_AES_CBC - * - * The key_size is ignored for algorithms with fixed key size. - * - * @param encryption_algorithm Algorithm to use for crypter - * @param key_size size of the key in bytes - * @return - * - crypter_t object - * - NULL if encryption algorithm/key_size is not supported - */ -crypter_t *crypter_create(encryption_algorithm_t encryption_algorithm, size_t key_size); - -#endif /*CRYPTER_H_*/ |