qcmdpc.h

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/*
This file is part of BitPunch
Copyright (C) 2015 Frantisek Uhrecky <frantisek.uhrecky[what here]gmail.com>
Copyright (C) 2015 Andrej Gulyas <andrej.guly[what here]gmail.com>

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/>.
*/

#ifndef BPU_QCMDPC_H
#define BPU_QCMDPC_H

#include <bitpunch/config.h>
#include <bitpunch/code/codectx.h>
#include <bitpunch/math/gf2.h>
#include <bitpunch/debugio.h>

/************************************************
DECODE PARAMS
************************************************/

// universal
#define BPU_QCMDPC_PARAM_MAX_ITER 10 

// decode1 alg
#define BPU_QCMDPC_PARAM_DELTA 5 

// decode2 alg
#define BPU_QCMDPC_PARAM_DELTA_B 0 
#define BPU_QCMDPC_MAX_B_VALUES 5 

#ifdef BPU_CONF_ENCRYPTION

int BPU_mecsQcmdpcEncode(BPU_T_GF2_Vector *out, const BPU_T_GF2_Vector *in, const struct _BPU_T_Code_Ctx *ctx);
#endif

#ifdef BPU_CONF_DECRYPTION

int BPU_mecsQcmdpcDecrypt(BPU_T_GF2_Vector *out, const BPU_T_GF2_Vector *in, const struct _BPU_T_Code_Ctx *ctx);

int BPU_mecsQcmdpcDecode1(BPU_T_GF2_Vector *error_vec, const BPU_T_GF2_Vector *cipher_text, int delta, const struct _BPU_T_Code_Ctx *ctx);

int BPU_mecsQcmdpcDecode2(BPU_T_GF2_Vector *error_vec, const BPU_T_GF2_Vector *cipher_text, const struct _BPU_T_Code_Ctx *ctx);

void BPU_mecsQcmdpcCalcSyndrom(BPU_T_GF2_Vector *syndrom, const BPU_T_GF2_Vector *cipher_text, const struct _BPU_T_Code_Ctx *ctx);
#endif

#ifdef BPU_CONF_KEY_GEN

int BPU_mecsQcmdpcTestGHmatrices(const BPU_T_GF2_QC_Matrix *G, const BPU_T_GF2_Sparse_Qc_Matrix *H);

int BPU_mecsQcmdpcGenKeys(BPU_T_Code_Ctx *ctx);
#endif

#endif // BPU_QCMDPC_H