56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
// ******************************************************************
|
|
// *
|
|
// * This file is part of the Cxbx project.
|
|
// *
|
|
// * Cxbx and Cxbe are free software; you can redistribute them
|
|
// * and/or modify them under the terms of the GNU General Public
|
|
// * License as published by the Free Software Foundation; either
|
|
// * version 2 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 recieved a copy of the GNU General Public License
|
|
// * along with this program; see the file COPYING.
|
|
// * If not, write to the Free Software Foundation, Inc.,
|
|
// * 59 Temple Place - Suite 330, Bostom, MA 02111-1307, USA.
|
|
// *
|
|
// * (c) 2018-2019 ergo720
|
|
// *
|
|
// * All rights reserved
|
|
// *
|
|
// ******************************************************************
|
|
|
|
#ifndef EMURSA_H
|
|
#define EMURSA_H
|
|
|
|
#include <cstdlib> // For size_t
|
|
|
|
#pragma pack(4)
|
|
|
|
typedef union _RSA_PUBLIC_KEY
|
|
{
|
|
unsigned char Default[284];
|
|
struct {
|
|
char Magic[4]; // "RSA1"
|
|
unsigned int Bloblen; // 264 (Modulus + Exponent + Modulussize)
|
|
unsigned char Bitlen[4]; // 2048
|
|
unsigned int ModulusSize; // 255 (bytes in the Modulus)
|
|
unsigned char Exponent[4]; // Public exponent
|
|
unsigned char Modulus[256]; // Bit endian style
|
|
unsigned char Unknown[8]; // ?
|
|
}KeyData;
|
|
} RSA_PUBLIC_KEY;
|
|
|
|
#pragma pack()
|
|
|
|
void init_tom_lib();
|
|
bool xbox_exp_mod(unsigned char* pA, const unsigned char* pB, const unsigned char* pC, const unsigned char* pD,
|
|
size_t a_size, size_t b_size, size_t c_size, size_t d_size);
|
|
bool xbox_rsa_public(const unsigned char* in_buf, unsigned char* out_buf, RSA_PUBLIC_KEY key);
|
|
bool verify_hash(const unsigned char* hash, const unsigned char* decryptBuffer, RSA_PUBLIC_KEY key);
|
|
|
|
#endif
|