Edit File: mcrypt.h
/* * Copyright (C) 1998,1999,2002 Nikos Mavroyanopoulos * * Encryption/decryption library. This library is free software; * you can redistribute it and/or modify it under the terms of the * GNU Library General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) any * later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #define MCRYPT_API_VERSION 20021217 #define LIBMCRYPT_VERSION "2.5.8" #ifdef __cplusplus extern "C" { #endif /* Definitions */ #define MCRYPT_FAILED 0x0 struct CRYPT_STREAM; typedef struct CRYPT_STREAM *MCRYPT; /* generic - high level functions. */ MCRYPT mcrypt_module_open(char *algorithm, char *a_directory, char *mode, char *m_directory); int mcrypt_module_close(MCRYPT td); /* returns 0 if the library has not been compiled with * dynamic module support. */ int mcrypt_module_support_dynamic(void); /* returns thread descriptor */ int mcrypt_generic_init(const MCRYPT td, void *key, int lenofkey, void *IV); int mcrypt_generic_deinit(const MCRYPT td); int mcrypt_generic_end(const MCRYPT td); int mdecrypt_generic(MCRYPT td, void *plaintext, int len); int mcrypt_generic(MCRYPT td, void *plaintext, int len); /* extra functions */ int mcrypt_enc_set_state(MCRYPT td, void *st, int size); int mcrypt_enc_get_state(MCRYPT td, void *st, int *size); /* only * for block algorithms and certain modes like cbc * ncfb etc. */ int (mcrypt_enc_self_test) (MCRYPT); int (mcrypt_enc_get_block_size) (MCRYPT); int (mcrypt_enc_get_iv_size) (MCRYPT); int (mcrypt_enc_get_key_size) (MCRYPT); /* If this is a block algorithm returns 1 */ int (mcrypt_enc_is_block_algorithm) (MCRYPT); /* If the mode operates in blocks returns 1 */ int (mcrypt_enc_is_block_mode) (MCRYPT); /* If the mode is for block algorithms it returns 1 */ int (mcrypt_enc_is_block_algorithm_mode) (MCRYPT td); int mcrypt_enc_mode_has_iv(MCRYPT td); /* Return a const string containing the name of the algorithm/mode */ char *(mcrypt_enc_get_algorithms_name) (MCRYPT td); char *(mcrypt_enc_get_modes_name) (MCRYPT td); int *mcrypt_enc_get_supported_key_sizes(MCRYPT td, int *len); char **mcrypt_list_algorithms(char *libdir, int *size); char **mcrypt_list_modes(char *libdir, int *size); /* Frees the memory allocated by the mcrypt_list_xxx() functions. */ void mcrypt_free_p(char **p, int size); void mcrypt_free(void *ptr); /* If mcrypt_xxx functions return an error code, and you supply this * to this function, it will print a human readable message */ void mcrypt_perror(int err); const char* mcrypt_strerror(int err); /* Self test for the specified algorithm */ int mcrypt_module_self_test(char *algorithm, char *a_directory); int mcrypt_module_is_block_algorithm(char *algorithm, char *a_directory); int mcrypt_module_is_block_algorithm_mode(char *mode, char *m_directory); int mcrypt_module_is_block_mode(char *mode, char *m_directory); int mcrypt_module_get_algo_key_size(char *algorithm, char *a_directory); int mcrypt_module_get_algo_block_size(char *algorithm, char *a_directory); int *mcrypt_module_get_algo_supported_key_sizes(char *algorithm, char *a_directory, int *len); /* Checks the version of the specified module */ int mcrypt_module_algorithm_version(char *algorithm, char *a_directory); int mcrypt_module_mode_version(char *mode, char *a_directory); /* for multithreaded applications: */ int mcrypt_mutex_register ( void (*mutex_lock)(void) , void (*mutex_unlock)(void), void (*set_error)(const char*), const char* (*get_error)(void)); const char * mcrypt_check_version( const char *); /* These definitions exist in order to ease the access to * mcrypt_module_init(). */ /* Algorithms */ #define MCRYPT_BLOWFISH "blowfish" #define MCRYPT_DES "des" #define MCRYPT_3DES "tripledes" #define MCRYPT_3WAY "threeway" #define MCRYPT_GOST "gost" #define MCRYPT_SAFER_SK64 "safer-sk64" #define MCRYPT_SAFER_SK128 "safer-sk128" #define MCRYPT_CAST_128 "cast-128" #define MCRYPT_XTEA "xtea" #define MCRYPT_RC2 "rc2" #define MCRYPT_TWOFISH "twofish" #define MCRYPT_CAST_256 "cast-256" #define MCRYPT_SAFERPLUS "saferplus" #define MCRYPT_LOKI97 "loki97" #define MCRYPT_SERPENT "serpent" #define MCRYPT_RIJNDAEL_128 "rijndael-128" #define MCRYPT_RIJNDAEL_192 "rijndael-192" #define MCRYPT_RIJNDAEL_256 "rijndael-256" #define MCRYPT_ENIGMA "enigma" #define MCRYPT_ARCFOUR "arcfour" #define MCRYPT_WAKE "wake" /* Modes */ #define MCRYPT_CBC "cbc" #define MCRYPT_ECB "ecb" #define MCRYPT_CFB "cfb" #define MCRYPT_OFB "ofb" #define MCRYPT_nOFB "nofb" #define MCRYPT_STREAM "stream" #ifdef __cplusplus } #endif