xtea-f-xor-pddt.hh

Go to the documentation of this file.

/*
 *    Copyright (c) 2012-2013 Luxembourg University,
 *    Laboratory of Algorithmics, Cryptology and Security (LACS).
 *
 *    This file is part of the YAARX toolkit. YAARX stands for
 *    Yet Another ARX toolkit for analysis of ARX cryptographic algorithms.
 *
 *    YAARX 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.
 *
 *    YAARX 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 YAARX.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef XTEA_F_XOR_PDDT_H
#define XTEA_F_XOR_PDDT_H

void xtea_f_xor_pddt_i(const uint32_t k, const uint32_t n, 
                                                          const uint32_t lsh_const,  const uint32_t rsh_const,
                                                          gsl_matrix* A[2][2][2], gsl_vector* C, 
                                                          uint32_t* da, uint32_t* db, uint32_t* dc,
                                                          double* p, const double p_thres, 
                                                          std::set<differential_t, struct_comp_diff_dx_dy>* diff_set_dx_dy);

void xtea_f_xor_pddt(uint32_t n, double p_thres, uint32_t lsh_const, uint32_t rsh_const,
                                                        std::set<differential_t, struct_comp_diff_dx_dy>* diff_set_dx_dy);

uint32_t xtea_f_da_db_xor_pddt(uint32_t n, double p_thres, 
                                                                                 uint32_t lsh_const, uint32_t rsh_const, const uint32_t da_prev, const uint32_t da_in, 
                                                                                 std::set<differential_t, struct_comp_diff_dx_dy>* hways_diff_set_dx_dy,
                                                                                 std::multiset<differential_t, struct_comp_diff_p>* hways_diff_mset_p,
                                                                                 std::set<differential_t, struct_comp_diff_dx_dy>* diff_set_dx_dy);

bool xtea_is_dx_in_set_dx_dy(uint32_t dy, uint32_t dx_prev, 
                                                                          std::set<differential_t, struct_comp_diff_dx_dy> diff_set_dx_dy);

void xtea_xor_pddt_adjust_to_key(uint32_t nrounds, uint32_t npairs, uint32_t lsh_const, uint32_t rsh_const,
                                                                                        uint32_t key, uint32_t delta, double p_thres,
                                                                                        std::set<differential_t, struct_comp_diff_dx_dy>* diff_set_dx_dy);

void xtea_xor_pddt_dxy_to_dp(std::multiset<differential_t, struct_comp_diff_p>* diff_mset_p,
                                                                          const std::set<differential_t, struct_comp_diff_dx_dy> diff_set_dx_dy);

#endif // #ifndef XTEA_F_XOR_PDDT_H