xdp-tea-f-fk.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 XDP_TEA_F_FK_H
#define XDP_TEA_F_FK_H

double xdp_f_fk_exper(const uint32_t da, const uint32_t db, 
                                                         const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                         uint32_t lsh_const, uint32_t rsh_const);

double max_xdp_f_fk_dx_exper(uint32_t* max_dx, const uint32_t dy, 
                                                                          const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                                          uint32_t lsh_const, uint32_t rsh_const);

double max_xdp_f_fk_dy_exper(const uint32_t dx, uint32_t* max_dy, 
                                                                          const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                                          uint32_t lsh_const, uint32_t rsh_const);

bool xdp_f_is_sat(const uint32_t mask_i, const uint32_t lsh_const, const uint32_t rsh_const,
                                                const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                const uint32_t dx, const uint32_t dy, int32_t x);


bool xdp_f_check_x(const uint32_t lsh_const, const uint32_t rsh_const,
                                                 const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                 const uint32_t dx, const uint32_t dy, const uint32_t x);

uint32_t xdp_f_assign_bit_x(const uint32_t n, const uint32_t i, const uint32_t mask_i, const uint32_t x, 
                                                                         const uint32_t lsh_const, const uint32_t rsh_const,
                                                                         const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                                         const uint32_t dx, const uint32_t dy, uint32_t* x_cnt, double* prob);

double xdp_f_fk(const uint32_t n, const uint32_t dx, const uint32_t dy, 
                                         const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                         const uint32_t lsh_const, const uint32_t rsh_const);

uint32_t xdp_f_assign_bit_x_dx(const uint32_t n, const uint32_t i, const uint32_t mask_i, const uint32_t x, 
                                                                                 const uint32_t lsh_const, const uint32_t rsh_const,
                                                                                 const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                                                 const uint32_t dx, const uint32_t dy, uint64_t* x_cnt, 
                                                                                 double* ret_prob, uint32_t* ret_dx);

double max_dx_xdp_f_fk(const uint32_t n, uint32_t* ret_dx, const uint32_t dy, 
                                                          const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                          const uint32_t lsh_const, const uint32_t rsh_const);

uint32_t xdp_f_assign_bit_x_dy(const uint32_t n, const uint32_t i, const uint32_t mask_i, const uint32_t x, 
                                                                                 const uint32_t lsh_const, const uint32_t rsh_const,
                                                                                 const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                                                 const uint32_t dx, const uint32_t dy, uint64_t* x_cnt, 
                                                                                 double* ret_prob, uint32_t* ret_dy);

double max_dy_xdp_f_fk(const uint32_t n, const uint32_t dx, uint32_t* ret_dy,
                                                          const uint32_t k0, const uint32_t k1, const uint32_t delta,
                                                          const uint32_t lsh_const, const uint32_t rsh_const);

#endif  // #ifndef XDP_TEA_F_FK_H