xboxkrnl: Add a bunch of crypto functions
This commit is contained in:
Dr. Chat
22
third_party/crypto/des/LICENSE
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22
third_party/crypto/des/LICENSE
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The MIT License (MIT)
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Copyright (c) 2014 Faraz Fallahi
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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6
third_party/crypto/des/README.md
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6
third_party/crypto/des/README.md
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cppDES
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======
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Taken from [this repository](https://github.com/fffaraz/cppDES)
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Modified for use by Xenia.
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177
third_party/crypto/des/des.cpp
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177
third_party/crypto/des/des.cpp
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#include "des.h"
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#include "des_key.h"
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#include "des_data.h"
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#include "des_lookup.h"
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#include <memory>
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//#pragma GCC push_options
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#ifndef _MSC_VER
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#pragma GCC optimize ("unroll-loops")
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#endif
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DES::DES(ui64 key)
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{
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keygen(key);
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}
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DES::DES(ui64* sub_key)
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{
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set_sub_key(sub_key);
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}
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void DES::set_sub_key(ui64 *sub_key)
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{
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std::memcpy(this->sub_key, sub_key, 128);
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}
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ui64 DES::encrypt(ui64 block)
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{
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return des(block, false);
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}
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ui64 DES::decrypt(ui64 block)
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{
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return des(block, true);
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}
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ui64 DES::encrypt(ui64 block, ui64 key)
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{
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DES des(key);
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return des.des(block, false);
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}
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ui64 DES::decrypt(ui64 block, ui64 key)
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{
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DES des(key);
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return des.des(block, true);
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}
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void DES::keygen(ui64 key)
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{
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// initial key schedule calculation
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ui64 permuted_choice_1 = 0; // 56 bits
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for (ui8 i = 0; i < 56; i++)
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{
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permuted_choice_1 <<= 1;
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permuted_choice_1 |= (key >> (64-PC1[i])) & LB64_MASK;
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}
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// 28 bits
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ui32 C = (ui32) ((permuted_choice_1 >> 28) & 0x000000000fffffff);
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ui32 D = (ui32) (permuted_choice_1 & 0x000000000fffffff);
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// Calculation of the 16 keys
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for (ui8 i = 0; i < 16; i++)
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{
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// key schedule, shifting Ci and Di
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for (ui8 j = 0; j < ITERATION_SHIFT[i]; j++)
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{
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C = (0x0fffffff & (C << 1)) | (0x00000001 & (C >> 27));
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D = (0x0fffffff & (D << 1)) | (0x00000001 & (D >> 27));
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}
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ui64 permuted_choice_2 = (((ui64) C) << 28) | (ui64) D;
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sub_key[i] = 0; // 48 bits (2*24)
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for (ui8 j = 0; j < 48; j++)
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{
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sub_key[i] <<= 1;
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sub_key[i] |= (permuted_choice_2 >> (56-PC2[j])) & LB64_MASK;
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}
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}
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}
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ui64 DES::des(ui64 block, bool mode)
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{
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// applying initial permutation
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block = ip(block);
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// dividing T' into two 32-bit parts
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ui32 L = (ui32) (block >> 32) & L64_MASK;
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ui32 R = (ui32) (block & L64_MASK);
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// 16 rounds
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for (ui8 i = 0; i < 16; i++)
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{
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ui32 F = mode ? f(R, sub_key[15-i]) : f(R, sub_key[i]);
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feistel(L, R, F);
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}
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// swapping the two parts
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block = (((ui64) R) << 32) | (ui64) L;
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// applying final permutation
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return fp(block);
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}
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ui64 DES::ip(ui64 block)
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{
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// initial permutation
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ui64 result = 0;
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for (ui8 i = 0; i < 64; i++)
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{
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result <<= 1;
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result |= (block >> (64-IP[i])) & LB64_MASK;
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}
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return result;
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}
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ui64 DES::fp(ui64 block)
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{
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// inverse initial permutation
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ui64 result = 0;
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for (ui8 i = 0; i < 64; i++)
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{
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result <<= 1;
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result |= (block >> (64-FP[i])) & LB64_MASK;
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}
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return result;
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}
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void DES::feistel(ui32 &L, ui32 &R, ui32 F)
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{
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ui32 temp = R;
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R = L ^ F;
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L = temp;
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}
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ui32 DES::f(ui32 R, ui64 k) // f(R,k) function
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{
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// applying expansion permutation and returning 48-bit data
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ui64 s_input = 0;
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for (ui8 i = 0; i < 48; i++)
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{
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s_input <<= 1;
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s_input |= (ui64) ((R >> (32-EXPANSION[i])) & LB32_MASK);
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}
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// XORing expanded Ri with Ki, the round key
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s_input = s_input ^ k;
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// applying S-Boxes function and returning 32-bit data
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ui32 s_output = 0;
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for (ui8 i = 0; i < 8; i++)
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{
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// Outer bits
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char row = (char) ((s_input & (0x0000840000000000 >> 6*i)) >> (42-6*i));
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row = (row >> 4) | (row & 0x01);
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// Middle 4 bits of input
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char column = (char) ((s_input & (0x0000780000000000 >> 6*i)) >> (43-6*i));
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s_output <<= 4;
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s_output |= (ui32) (SBOX[i][16*row + column] & 0x0f);
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}
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// applying the round permutation
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ui32 f_result = 0;
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for (ui8 i = 0; i < 32; i++)
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{
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f_result <<= 1;
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f_result |= (s_output >> (32 - PBOX[i])) & LB32_MASK;
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}
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return f_result;
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}
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//#pragma GCC pop_options
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51
third_party/crypto/des/des.h
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51
third_party/crypto/des/des.h
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#ifndef DES_H
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#define DES_H
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#include <cstdint>
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typedef uint64_t ui64;
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typedef uint32_t ui32;
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typedef uint8_t ui8;
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class DES
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{
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public:
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DES(ui64 key);
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DES(ui64 *sub_key);
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ui64 des(ui64 block, bool mode);
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ui64 encrypt(ui64 block);
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ui64 decrypt(ui64 block);
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static ui64 encrypt(ui64 block, ui64 key);
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static ui64 decrypt(ui64 block, ui64 key);
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static void set_parity(ui8 *key, int length, ui8 *out) {
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for (int i = 0; i < length; i++) {
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ui8 parity = key[i];
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parity ^= parity >> 4;
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parity ^= parity >> 2;
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parity ^= parity >> 1;
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out[i] = (key[i] & 0xFE) | (~parity & 1);
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}
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}
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const ui64 *get_sub_key() const { return sub_key; }
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void set_sub_key(ui64 *key);
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protected:
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void keygen(ui64 key);
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ui64 ip(ui64 block);
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ui64 fp(ui64 block);
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void feistel(ui32 &L, ui32 &R, ui32 F);
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ui32 f(ui32 R, ui64 k);
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private:
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ui64 sub_key[16]; // 48 bits each
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};
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#endif // DES_H
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40
third_party/crypto/des/des3.h
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40
third_party/crypto/des/des3.h
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#ifndef DES3_H
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#define DES3_H
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#include "des.h"
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class DES3
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{
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public:
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DES3(ui64 k1, ui64 k2, ui64 k3) : des{ DES(k1), DES(k2), DES(k3) } {}
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DES3(ui64* sk1, ui64* sk2, ui64* sk3) : des{ DES(sk1), DES(sk2), DES(sk3) } {}
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inline ui64 encrypt(ui64 block)
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{
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return des[2].encrypt(des[1].decrypt(des[0].encrypt(block)));
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}
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inline ui64 decrypt(ui64 block)
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{
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return des[0].decrypt(des[1].encrypt(des[2].decrypt(block)));
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}
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inline ui64 crypt(ui64 block, bool bEncrypt)
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{
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if (bEncrypt)
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{
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return encrypt(block);
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}
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else
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{
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return decrypt(block);
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}
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}
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inline DES* getDES() { return des; }
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private:
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DES des[3];
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};
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#endif // DES3_H
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121
third_party/crypto/des/des_data.h
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121
third_party/crypto/des/des_data.h
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#ifndef DES_DATA_H
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#define DES_DATA_H
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#define LB32_MASK 0x00000001
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#define LB64_MASK 0x0000000000000001
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#define L64_MASK 0x00000000ffffffff
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// Initial Permutation Table [8*8]
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static const char IP[] =
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{
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58, 50, 42, 34, 26, 18, 10, 2,
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60, 52, 44, 36, 28, 20, 12, 4,
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62, 54, 46, 38, 30, 22, 14, 6,
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64, 56, 48, 40, 32, 24, 16, 8,
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57, 49, 41, 33, 25, 17, 9, 1,
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59, 51, 43, 35, 27, 19, 11, 3,
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61, 53, 45, 37, 29, 21, 13, 5,
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63, 55, 47, 39, 31, 23, 15, 7
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};
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// Inverse Initial Permutation Table [8*8]
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static const char FP[] =
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{
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40, 8, 48, 16, 56, 24, 64, 32,
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39, 7, 47, 15, 55, 23, 63, 31,
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38, 6, 46, 14, 54, 22, 62, 30,
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37, 5, 45, 13, 53, 21, 61, 29,
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36, 4, 44, 12, 52, 20, 60, 28,
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35, 3, 43, 11, 51, 19, 59, 27,
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34, 2, 42, 10, 50, 18, 58, 26,
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33, 1, 41, 9, 49, 17, 57, 25
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};
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// Expansion table [6*8]
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static const char EXPANSION[] =
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{
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32, 1, 2, 3, 4, 5,
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4, 5, 6, 7, 8, 9,
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8, 9, 10, 11, 12, 13,
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12, 13, 14, 15, 16, 17,
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16, 17, 18, 19, 20, 21,
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20, 21, 22, 23, 24, 25,
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24, 25, 26, 27, 28, 29,
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28, 29, 30, 31, 32, 1
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};
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// The S-Box tables [8*16*4]
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static const char SBOX[8][64] =
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{
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{
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// S1
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14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7,
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0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8,
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4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0,
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15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13
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},
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{
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// S2
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15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10,
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3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5,
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0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15,
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13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9
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},
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{
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// S3
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10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8,
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13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1,
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13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7,
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1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12
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},
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{
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// S4
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7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15,
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13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9,
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10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4,
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3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14
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},
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{
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// S5
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2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9,
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14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6,
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4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14,
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11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3
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},
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{
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// S6
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12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11,
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10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8,
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||||
9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6,
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||||
4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13
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},
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{
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// S7
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4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1,
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13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6,
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||||
1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2,
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||||
6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12
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},
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{
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// S8
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13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7,
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1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2,
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||||
7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8,
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||||
2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11
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}
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||||
};
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// Post S-Box permutation [4*8]
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static const char PBOX[] =
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{
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16, 7, 20, 21,
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||||
29, 12, 28, 17,
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||||
1, 15, 23, 26,
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||||
5, 18, 31, 10,
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||||
2, 8, 24, 14,
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32, 27, 3, 9,
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19, 13, 30, 6,
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22, 11, 4, 25
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};
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#endif // DES_DATA_H
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38
third_party/crypto/des/des_key.h
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38
third_party/crypto/des/des_key.h
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#ifndef DES_KEY_H
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#define DES_KEY_H
|
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// Permuted Choice 1 Table [7*8]
|
||||
static const char PC1[] =
|
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{
|
||||
57, 49, 41, 33, 25, 17, 9,
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||||
1, 58, 50, 42, 34, 26, 18,
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||||
10, 2, 59, 51, 43, 35, 27,
|
||||
19, 11, 3, 60, 52, 44, 36,
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||||
|
||||
63, 55, 47, 39, 31, 23, 15,
|
||||
7, 62, 54, 46, 38, 30, 22,
|
||||
14, 6, 61, 53, 45, 37, 29,
|
||||
21, 13, 5, 28, 20, 12, 4
|
||||
};
|
||||
|
||||
// Permuted Choice 2 Table [6*8]
|
||||
static const char PC2[] =
|
||||
{
|
||||
14, 17, 11, 24, 1, 5,
|
||||
3, 28, 15, 6, 21, 10,
|
||||
23, 19, 12, 4, 26, 8,
|
||||
16, 7, 27, 20, 13, 2,
|
||||
41, 52, 31, 37, 47, 55,
|
||||
30, 40, 51, 45, 33, 48,
|
||||
44, 49, 39, 56, 34, 53,
|
||||
46, 42, 50, 36, 29, 32
|
||||
};
|
||||
|
||||
// Iteration Shift Array
|
||||
static const char ITERATION_SHIFT[] =
|
||||
{
|
||||
// 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
|
||||
1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1
|
||||
};
|
||||
|
||||
#endif // DES_KEY_H
|
||||
4
third_party/crypto/des/des_lookup.h
vendored
Normal file
4
third_party/crypto/des/des_lookup.h
vendored
Normal file
@@ -0,0 +1,4 @@
|
||||
#ifndef DES_LOOKUP_H
|
||||
#define DES_LOOKUP_H
|
||||
|
||||
#endif // DES_LOOKUP_H
|
||||
34
third_party/crypto/des/descbc.h
vendored
Normal file
34
third_party/crypto/des/descbc.h
vendored
Normal file
@@ -0,0 +1,34 @@
|
||||
#ifndef DESCBC_H
|
||||
#define DESCBC_H
|
||||
|
||||
#include "des.h"
|
||||
|
||||
class DESCBC
|
||||
{
|
||||
public:
|
||||
DESCBC(ui64 key, ui64 iv) : des(key), iv(iv), last_block(iv) {}
|
||||
inline ui64 encrypt(ui64 block)
|
||||
{
|
||||
last_block = des.encrypt(block ^ last_block);
|
||||
return last_block;
|
||||
}
|
||||
|
||||
inline ui64 decrypt(ui64 block)
|
||||
{
|
||||
ui64 result = des.decrypt(block) ^ last_block;
|
||||
last_block = block;
|
||||
return result;
|
||||
}
|
||||
|
||||
inline void reset()
|
||||
{
|
||||
last_block = iv;
|
||||
}
|
||||
|
||||
private:
|
||||
DES des;
|
||||
ui64 iv;
|
||||
ui64 last_block;
|
||||
};
|
||||
|
||||
#endif // DESCBC_H
|
||||
Reference in New Issue
Block a user