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/* blockcipher_descriptor.h */
/*
This file is part of the ARM-Crypto-Lib.
Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
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 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 General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file blockcipher_descriptor.h
* \author Daniel Otte
* \date 2009-02-04
*
* \license GPLv3 or later
*
*/
#ifndef BLOCKCIPHER_DESCRIPTOR_H_
#define BLOCKCIPHER_DESCRIPTOR_H_
#include <stdint.h>
#ifndef VOID_FPT
#define VOID_FPT
typedef void(*void_fpt)(void);
#endif
typedef void(*bc_init1_fpt)(void*, void*);
typedef void(*bc_init2_fpt)(void*, uint16_t,void*);
typedef void(*bc_enc1_fpt)(void*, void*);
typedef void(*bc_enc2_fpt)(void*, void*, void*);
typedef void(*bc_dec1_fpt)(void*, void*);
typedef void(*bc_dec2_fpt)(void*, void*, void*);
typedef void(*bc_free_fpt)(void*);
typedef union{
void_fpt initvoid;
bc_init1_fpt init1;
bc_init2_fpt init2;
} bc_init_fpt;
typedef union{
void_fpt encvoid;
bc_enc1_fpt enc1;
bc_enc2_fpt enc2;
} bc_enc_fpt;
typedef union{
void_fpt decvoid;
bc_dec1_fpt dec1;
bc_dec2_fpt dec2;
} bc_dec_fpt;
#define BC_INIT_TYPE 0x01
#define BC_INIT_TYPE_1 0x00
#define BC_INIT_TYPE_2 0x01
#define BC_ENC_TYPE 0x02
#define BC_ENC_TYPE_1 0x00
#define BC_ENC_TYPE_2 0x02
#
#define BC_DEC_TYPE 0x04
#define BC_DEC_TYPE_1 0x00
#define BC_DEC_TYPE_2 0x04
#define BCDESC_TYPE_BLOCKCIPHER 0x01
typedef struct {
uint8_t type; /* 1==blockcipher */
uint8_t flags;
const char* name;
uint16_t ctxsize_B;
uint16_t blocksize_b;
bc_init_fpt init;
bc_enc_fpt enc;
bc_dec_fpt dec;
bc_free_fpt free;
const void* valid_keysize_desc;
} bcdesc_t; /* blockcipher descriptor type */
typedef struct{
bcdesc_t* desc_ptr;
void* ctx;
uint16_t keysize;
} bcgen_ctx_t;
#endif /* BLOCKCIPHER_DESCRIPTOR_H_ */