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/*
* Library to support the GUID/UUID format
*
* Copyright (C) 2017-2024, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#if !defined( _LIBFCRYPTO_H )
#define _LIBFCRYPTO_H
#include <libfcrypto/definitions.h>
#include <libfcrypto/error.h>
#include <libfcrypto/extern.h>
#include <libfcrypto/features.h>
#include <libfcrypto/types.h>
#include <stdio.h>
#if defined( __cplusplus )
extern "C" {
#endif
/* -------------------------------------------------------------------------
* Support functions
* ------------------------------------------------------------------------- */
/* Returns the library version
*/
LIBFCRYPTO_EXTERN \
const char *libfcrypto_get_version(
void );
/* -------------------------------------------------------------------------
* Error functions
* ------------------------------------------------------------------------- */
/* Frees an error
*/
LIBFCRYPTO_EXTERN \
void libfcrypto_error_free(
libfcrypto_error_t **error );
/* Prints a descriptive string of the error to the stream
* Returns the amount of printed characters if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_error_fprint(
libfcrypto_error_t *error,
FILE *stream );
/* Prints a descriptive string of the error to the string
* The end-of-string character is not included in the return value
* Returns the amount of printed characters if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_error_sprint(
libfcrypto_error_t *error,
char *string,
size_t size );
/* Prints a backtrace of the error to the stream
* Returns the amount of printed characters if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_error_backtrace_fprint(
libfcrypto_error_t *error,
FILE *stream );
/* Prints a backtrace of the error to the string
* The end-of-string character is not included in the return value
* Returns the amount of printed characters if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_error_backtrace_sprint(
libfcrypto_error_t *error,
char *string,
size_t size );
/* -------------------------------------------------------------------------
* Blowfish context functions
* ------------------------------------------------------------------------- */
/* Creates a Blowfish context
* Make sure the value context is referencing, is set to NULL
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_blowfish_context_initialize(
libfcrypto_blowfish_context_t **context,
libfcrypto_error_t **error );
/* Frees a Blowfish context
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_blowfish_context_free(
libfcrypto_blowfish_context_t **context,
libfcrypto_error_t **error );
/* Sets the key
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_blowfish_context_set_key(
libfcrypto_blowfish_context_t *context,
const uint8_t *key,
size_t key_bit_size,
libfcrypto_error_t **error );
/* De- or encrypts a block of data using Blowfish-CBC (Cipher Block Chaining)
* The size must be a multitude of the Blowfish block size (8 byte)
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_blowfish_crypt_cbc(
libfcrypto_blowfish_context_t *context,
int mode,
const uint8_t *initialization_vector,
size_t initialization_vector_size,
const uint8_t *input_data,
size_t input_data_size,
uint8_t *output_data,
size_t output_data_size,
libfcrypto_error_t **error );
/* De- or encrypts a block of data using Blowfish-ECB (Electronic CodeBook)
* The size must be a multitude of the Blowfish block size (8 byte)
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_blowfish_crypt_ecb(
libfcrypto_blowfish_context_t *context,
int mode,
const uint8_t *input_data,
size_t input_data_size,
uint8_t *output_data,
size_t output_data_size,
libfcrypto_error_t **error );
/* -------------------------------------------------------------------------
* DES3 context functions
* ------------------------------------------------------------------------- */
/* Creates a DES3 context
* Make sure the value context is referencing, is set to NULL
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_des3_context_initialize(
libfcrypto_des3_context_t **context,
libfcrypto_error_t **error );
/* Frees a DES3 context
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_des3_context_free(
libfcrypto_des3_context_t **context,
libfcrypto_error_t **error );
/* Sets the key
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_des3_context_set_key(
libfcrypto_des3_context_t *context,
const uint8_t *key,
size_t key_bit_size,
libfcrypto_error_t **error );
/* De- or encrypts a block of data using DES3-CBC (Cipher Block Chaining)
* The size must be a multitude of the DES3 block size (8 byte)
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_des3_crypt_cbc(
libfcrypto_des3_context_t *context,
int mode,
const uint8_t *initialization_vector,
size_t initialization_vector_size,
const uint8_t *input_data,
size_t input_data_size,
uint8_t *output_data,
size_t output_data_size,
libfcrypto_error_t **error );
/* De- or encrypts a block of data using DES3-ECB (Electronic CodeBook)
* The size must be a multitude of the DES3 block size (8 byte)
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_des3_crypt_ecb(
libfcrypto_des3_context_t *context,
int mode,
const uint8_t *input_data,
size_t input_data_size,
uint8_t *output_data,
size_t output_data_size,
libfcrypto_error_t **error );
/* De- or encrypts a buffer of data using DES3
*
* This function is deprecated use libfcrypto_des3_crypt_ecb instead
*
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_DEPRECATED \
LIBFCRYPTO_EXTERN \
int libfcrypto_des3_crypt(
libfcrypto_des3_context_t *context,
int mode,
const uint8_t *input_data,
size_t input_data_size,
uint8_t *output_data,
size_t output_data_size,
libfcrypto_error_t **error );
/* -------------------------------------------------------------------------
* RC4 context functions
* ------------------------------------------------------------------------- */
/* Creates a RC4 context
* Make sure the value context is referencing, is set to NULL
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_rc4_context_initialize(
libfcrypto_rc4_context_t **context,
libfcrypto_error_t **error );
/* Frees a RC4 context
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_rc4_context_free(
libfcrypto_rc4_context_t **context,
libfcrypto_error_t **error );
/* Sets the key
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_rc4_context_set_key(
libfcrypto_rc4_context_t *context,
const uint8_t *key,
size_t key_bit_size,
libfcrypto_error_t **error );
/* De- or encrypts a buffer of data using RC4
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_rc4_crypt(
libfcrypto_rc4_context_t *context,
const uint8_t *input_data,
size_t input_data_size,
uint8_t *output_data,
size_t output_data_size,
libfcrypto_error_t **error );
/* -------------------------------------------------------------------------
* Serpent context functions
* ------------------------------------------------------------------------- */
/* Creates a Serpent context
* Make sure the value context is referencing, is set to NULL
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_serpent_context_initialize(
libfcrypto_serpent_context_t **context,
libfcrypto_error_t **error );
/* Frees a Serpent context
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_serpent_context_free(
libfcrypto_serpent_context_t **context,
libfcrypto_error_t **error );
/* Sets the key
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_serpent_context_set_key(
libfcrypto_serpent_context_t *context,
const uint8_t *key,
size_t key_bit_size,
libfcrypto_error_t **error );
/* De- or encrypts a block of data using Serpent-CBC (Cipher Block Chaining)
* The size must be a multitude of the Serpent block size (16 byte)
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_serpent_crypt_cbc(
libfcrypto_serpent_context_t *context,
int mode,
const uint8_t *initialization_vector,
size_t initialization_vector_size,
const uint8_t *input_data,
size_t input_data_size,
uint8_t *output_data,
size_t output_data_size,
libfcrypto_error_t **error );
/* De- or encrypts a block of data using Serpent-ECB (Electronic CodeBook)
* The size must be a multitude of the Serpent block size (16 byte)
* Returns 1 if successful or -1 on error
*/
LIBFCRYPTO_EXTERN \
int libfcrypto_serpent_crypt_ecb(
libfcrypto_serpent_context_t *context,
int mode,
const uint8_t *input_data,
size_t input_data_size,
uint8_t *output_data,
size_t output_data_size,
libfcrypto_error_t **error );
#if defined( __cplusplus )
}
#endif
#endif /* !defined( _LIBFCRYPTO_H ) */
|
