Clean up Crypto
This commit is contained in:
HikikoMarmy
140
Crypto/RealmCrypt.cpp
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140
Crypto/RealmCrypt.cpp
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@@ -0,0 +1,140 @@
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#include "RealmCrypt.h"
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#include "../misc/Utility.h"
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RealmCrypt::RealmCrypt()
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{
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std::srand( static_cast< unsigned >( std::time( nullptr ) ) );
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}
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std::vector< uint8_t > RealmCrypt::generateSymmetricKey( void )
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{
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constexpr size_t KEY_LENGTH = 32;
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std::vector< uint8_t > keyData( KEY_LENGTH, 0 );
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// Generate 32 random bytes
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for( size_t i = 0; i < KEY_LENGTH; ++i )
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{
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keyData[ i ] = static_cast< uint8_t >( std::rand() % 255 );
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}
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return keyData;
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}
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std::vector<uint8_t> RealmCrypt::getSymmetricKey( void )
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{
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return default_sym_key;
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}
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std::string RealmCrypt::encryptString( std::string &input )
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{
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if( input.size() % 16 != 0 )
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{
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input.append( 16 - ( input.size() % 16 ), '\0' );
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}
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rijndael aes;
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auto result = aes.EncryptECB(
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reinterpret_cast< const uint8_t * >( input.c_str() ),
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static_cast< uint32_t >( input.size() ),
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default_sym_key.data()
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);
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return std::string( reinterpret_cast< const char * >( result ), input.size() );
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}
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std::string RealmCrypt::decryptString( std::string &input )
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{
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if( input.size() % 16 != 0 )
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{
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input.append( 16 - ( input.size() % 16 ), '\0' );
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}
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rijndael aes;
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auto result = aes.DecryptECB( reinterpret_cast< const uint8_t * >(
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input.c_str() ),
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static_cast< uint32_t >( input.size() ),
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default_sym_key.data()
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);
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return std::string( reinterpret_cast< const char * >( result ), input.size() );
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}
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std::wstring RealmCrypt::encryptString( std::wstring &input )
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{
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if( input.size() % 16 != 0 )
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{
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input.append( 16 - ( input.size() % 16 ), L'\0' );
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}
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rijndael aes;
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auto result = aes.EncryptECB( reinterpret_cast< const uint8_t * >(
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input.c_str() ),
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static_cast< uint32_t >( input.size() ),
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default_sym_key.data()
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);
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return std::wstring( reinterpret_cast< const wchar_t * >( result ), input.size() );
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}
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std::wstring RealmCrypt::decryptString( std::wstring &input )
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{
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if( input.size() % 16 != 0 )
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{
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input.append( 16 - ( input.size() % 16 ), L'\0' );
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}
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rijndael aes;
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auto result = aes.DecryptECB( reinterpret_cast< const uint8_t * >(
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input.c_str() ),
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static_cast< uint32_t >( input.size() ),
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default_sym_key.data()
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);
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return std::wstring( reinterpret_cast< const wchar_t * >( result ), input.size() );
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}
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std::vector< uint8_t > RealmCrypt::encryptSymmetric( std::span< const uint8_t > input )
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{
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if( input.size() % 16 != 0 )
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{
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std::vector< uint8_t > paddedInput( input.begin(), input.end() );
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paddedInput.resize( ( ( input.size() / 16 ) + 1 ) * 16, 0 );
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input = paddedInput;
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}
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rijndael aes;
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auto result = aes.EncryptECB( reinterpret_cast< const uint8_t * >(
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input.data() ),
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static_cast< uint32_t >( input.size() ),
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default_sym_key.data()
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);
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return std::vector< uint8_t >( result, result + input.size() );
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}
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std::vector< uint8_t > RealmCrypt::decryptSymmetric( std::span< const uint8_t > input )
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{
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if( input.size() % 16 != 0 )
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{
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std::vector< uint8_t > paddedInput( input.begin(), input.end() );
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paddedInput.resize( ( ( input.size() / 16 ) + 1 ) * 16, 0 );
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input = paddedInput;
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}
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rijndael aes;
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auto result = aes.DecryptECB( reinterpret_cast< const uint8_t * >(
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input.data() ),
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static_cast< uint32_t >( input.size() ),
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default_sym_key.data()
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);
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return std::vector< uint8_t >( result, result + input.size() );
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}
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43
Crypto/RealmCrypt.h
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43
Crypto/RealmCrypt.h
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@@ -0,0 +1,43 @@
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#pragma once
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#include <string>
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#include <vector>
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#include <span>
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#include "rijndael.h"
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// This class is based on the games Encryptor class,
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// and is a wrapper around the rijndael ECB implementation.
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//
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// Normally CoN would generate a random symmetric key for each user,
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// but for the sake of simplicity we will just use the games default key,
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// since we have nothing to hide.
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class RealmCrypt {
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private:
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// Byte array of dlfk qs';r+t iqe4t9ueerjKDJ wdaj
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const static inline std::vector< uint8_t > default_sym_key =
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{
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0x64, 0x6c, 0x66, 0x6b, 0x20, 0x71, 0x73, 0x27,
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0x3b, 0x72, 0x2b, 0x74, 0x20, 0x69, 0x71, 0x65,
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0x34, 0x74, 0x39, 0x75, 0x65, 0x65, 0x72, 0x6a,
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0x4b, 0x44, 0x4a, 0x20, 0x77, 0x64, 0x61, 0x6a
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};
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public:
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RealmCrypt();
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// Generate a new symmetric key for the user.
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static std::vector< uint8_t > generateSymmetricKey( void );
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static std::vector< uint8_t > getSymmetricKey( void );
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// Encrypt and decrypt strings.
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static std::string encryptString( std::string &input );
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static std::string decryptString( std::string &input );
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static std::wstring encryptString( std::wstring &input );
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static std::wstring decryptString( std::wstring &input );
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// Encrypt and decrypt byte arrays.
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static std::vector< uint8_t > encryptSymmetric( std::span< const uint8_t > input );
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static std::vector< uint8_t > decryptSymmetric( std::span< const uint8_t > input );
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};
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371
Crypto/rijndael.cpp
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371
Crypto/rijndael.cpp
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@@ -0,0 +1,371 @@
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#include "rijndael.h"
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rijndael::rijndael()
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{
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this->Nk = 8;
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this->Nr = 14;
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}
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uint8_t *rijndael::EncryptECB( const uint8_t in[], uint32_t inLen,
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const uint8_t key[] )
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{
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CheckLength( inLen );
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uint8_t *out = new uint8_t[ inLen ];
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uint8_t *roundKeys = new uint8_t[ 4 * Nb * ( Nr + 1 ) ];
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KeyExpansion( key, roundKeys );
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for( uint32_t i = 0; i < inLen; i += blockBytesLen )
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{
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EncryptBlock( in + i, out + i, roundKeys );
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}
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delete[] roundKeys;
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return out;
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}
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uint8_t *rijndael::DecryptECB( const uint8_t in[], uint32_t inLen,
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const uint8_t key[] )
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{
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CheckLength( inLen );
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uint8_t *out = new uint8_t[ inLen ];
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uint8_t *roundKeys = new uint8_t[ 4 * Nb * ( Nr + 1 ) ];
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KeyExpansion( key, roundKeys );
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for( uint32_t i = 0; i < inLen; i += blockBytesLen )
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{
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DecryptBlock( in + i, out + i, roundKeys );
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}
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delete[] roundKeys;
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return out;
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}
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void rijndael::CheckLength( uint32_t len )
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{
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if( len % blockBytesLen != 0 )
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{
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throw std::length_error( "Plaintext length must be divisible by " +
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std::to_string( blockBytesLen ) );
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}
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}
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void rijndael::EncryptBlock( const uint8_t in[], uint8_t out[],
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uint8_t *roundKeys )
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{
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uint8_t state[ 4 ][ Nb ];
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uint32_t i, j, round;
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for( i = 0; i < 4; i++ )
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{
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for( j = 0; j < Nb; j++ )
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{
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state[ i ][ j ] = in[ i + 4 * j ];
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}
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}
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AddRoundKey( state, roundKeys );
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for( round = 1; round <= Nr - 1; round++ )
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{
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SubBytes( state );
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ShiftRows( state );
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MixColumns( state );
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AddRoundKey( state, roundKeys + round * 4 * Nb );
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}
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SubBytes( state );
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ShiftRows( state );
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AddRoundKey( state, roundKeys + Nr * 4 * Nb );
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for( i = 0; i < 4; i++ )
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{
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for( j = 0; j < Nb; j++ )
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{
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out[ i + 4 * j ] = state[ i ][ j ];
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}
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}
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}
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void rijndael::DecryptBlock( const uint8_t in[], uint8_t out[],
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uint8_t *roundKeys )
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{
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uint8_t state[ 4 ][ Nb ];
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uint32_t i, j, round;
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for( i = 0; i < 4; i++ )
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{
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for( j = 0; j < Nb; j++ )
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{
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state[ i ][ j ] = in[ i + 4 * j ];
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}
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}
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AddRoundKey( state, roundKeys + Nr * 4 * Nb );
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for( round = Nr - 1; round >= 1; round-- )
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{
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InvSubBytes( state );
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InvShiftRows( state );
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AddRoundKey( state, roundKeys + round * 4 * Nb );
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InvMixColumns( state );
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}
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InvSubBytes( state );
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InvShiftRows( state );
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AddRoundKey( state, roundKeys );
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for( i = 0; i < 4; i++ )
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{
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for( j = 0; j < Nb; j++ )
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{
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out[ i + 4 * j ] = state[ i ][ j ];
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}
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}
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}
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void rijndael::SubBytes( uint8_t state[ 4 ][ Nb ] )
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{
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uint32_t i, j;
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uint8_t t;
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for( i = 0; i < 4; i++ )
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{
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for( j = 0; j < Nb; j++ )
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{
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t = state[ i ][ j ];
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state[ i ][ j ] = sbox[ t / 16 ][ t % 16 ];
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}
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}
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}
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void rijndael::ShiftRow( uint8_t state[ 4 ][ Nb ], uint32_t i,
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uint32_t n ) // shift row i on n write_positions
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{
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uint8_t tmp[ Nb ];
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for( uint32_t j = 0; j < Nb; j++ )
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{
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tmp[ j ] = state[ i ][ ( j + n ) % Nb ];
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}
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memcpy( state[ i ], tmp, Nb * sizeof( uint8_t ) );
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}
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void rijndael::ShiftRows( uint8_t state[ 4 ][ Nb ] )
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{
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ShiftRow( state, 1, 1 );
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ShiftRow( state, 2, 2 );
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ShiftRow( state, 3, 3 );
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}
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uint8_t rijndael::xtime( uint8_t b ) // multiply on x
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{
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return ( b << 1 ) ^ ( ( ( b >> 7 ) & 1 ) * 0x1b );
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}
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void rijndael::MixColumns( uint8_t state[ 4 ][ Nb ] )
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{
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uint8_t temp_state[ 4 ][ Nb ];
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for( size_t i = 0; i < 4; ++i )
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{
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memset( temp_state[ i ], 0, 4 );
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}
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for( size_t i = 0; i < 4; ++i )
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{
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for( size_t k = 0; k < 4; ++k )
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{
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for( size_t j = 0; j < 4; ++j )
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{
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if( CMDS[ i ][ k ] == 1 )
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temp_state[ i ][ j ] ^= state[ k ][ j ];
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else
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temp_state[ i ][ j ] ^= GF_MUL_TABLE[ CMDS[ i ][ k ] ][ state[ k ][ j ] ];
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}
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}
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}
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for( size_t i = 0; i < 4; ++i )
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{
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memcpy( state[ i ], temp_state[ i ], 4 );
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}
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}
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void rijndael::AddRoundKey( uint8_t state[ 4 ][ Nb ], uint8_t *key )
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{
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uint32_t i, j;
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for( i = 0; i < 4; i++ )
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{
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for( j = 0; j < Nb; j++ )
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{
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state[ i ][ j ] = state[ i ][ j ] ^ key[ i + 4 * j ];
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}
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}
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}
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void rijndael::SubWord( uint8_t *a )
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{
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int i;
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for( i = 0; i < 4; i++ )
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{
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a[ i ] = sbox[ a[ i ] / 16 ][ a[ i ] % 16 ];
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}
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}
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void rijndael::RotWord( uint8_t *a )
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{
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uint8_t c = a[ 0 ];
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a[ 0 ] = a[ 1 ];
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a[ 1 ] = a[ 2 ];
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a[ 2 ] = a[ 3 ];
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a[ 3 ] = c;
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}
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void rijndael::XorWords( uint8_t *a, uint8_t *b, uint8_t *c )
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{
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int i;
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for( i = 0; i < 4; i++ )
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{
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c[ i ] = a[ i ] ^ b[ i ];
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}
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}
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void rijndael::Rcon( uint8_t *a, uint32_t n )
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{
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uint32_t i;
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uint8_t c = 1;
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for( i = 0; i < n - 1; i++ )
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{
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c = xtime( c );
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}
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a[ 0 ] = c;
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a[ 1 ] = a[ 2 ] = a[ 3 ] = 0;
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}
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void rijndael::KeyExpansion( const uint8_t key[], uint8_t w[] )
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{
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uint8_t temp[ 4 ];
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uint8_t rcon[ 4 ];
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uint32_t i = 0;
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while( i < 4 * Nk )
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{
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w[ i ] = key[ i ];
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i++;
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}
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i = 4 * Nk;
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while( i < 4 * Nb * ( Nr + 1 ) )
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{
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temp[ 0 ] = w[ i - 4 + 0 ];
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temp[ 1 ] = w[ i - 4 + 1 ];
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temp[ 2 ] = w[ i - 4 + 2 ];
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temp[ 3 ] = w[ i - 4 + 3 ];
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if( i / 4 % Nk == 0 )
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{
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RotWord( temp );
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SubWord( temp );
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Rcon( rcon, i / ( Nk * 4 ) );
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XorWords( temp, rcon, temp );
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}
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else if( Nk > 6 && i / 4 % Nk == 4 )
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{
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SubWord( temp );
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}
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w[ i + 0 ] = w[ i - 4 * Nk ] ^ temp[ 0 ];
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w[ i + 1 ] = w[ i + 1 - 4 * Nk ] ^ temp[ 1 ];
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w[ i + 2 ] = w[ i + 2 - 4 * Nk ] ^ temp[ 2 ];
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w[ i + 3 ] = w[ i + 3 - 4 * Nk ] ^ temp[ 3 ];
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i += 4;
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}
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}
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void rijndael::InvSubBytes( uint8_t state[ 4 ][ Nb ] )
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{
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uint32_t i, j;
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uint8_t t;
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for( i = 0; i < 4; i++ )
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{
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for( j = 0; j < Nb; j++ )
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{
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t = state[ i ][ j ];
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state[ i ][ j ] = inv_sbox[ t / 16 ][ t % 16 ];
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}
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}
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}
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void rijndael::InvMixColumns( uint8_t state[ 4 ][ Nb ] )
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{
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uint8_t temp_state[ 4 ][ Nb ];
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for( size_t i = 0; i < 4; ++i )
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{
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||||
memset( temp_state[ i ], 0, 4 );
|
||||
}
|
||||
|
||||
for( size_t i = 0; i < 4; ++i )
|
||||
{
|
||||
for( size_t k = 0; k < 4; ++k )
|
||||
{
|
||||
for( size_t j = 0; j < 4; ++j )
|
||||
{
|
||||
temp_state[ i ][ j ] ^= GF_MUL_TABLE[ INV_CMDS[ i ][ k ] ][ state[ k ][ j ] ];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for( size_t i = 0; i < 4; ++i )
|
||||
{
|
||||
memcpy( state[ i ], temp_state[ i ], 4 );
|
||||
}
|
||||
}
|
||||
|
||||
void rijndael::InvShiftRows( uint8_t state[ 4 ][ Nb ] )
|
||||
{
|
||||
ShiftRow( state, 1, Nb - 1 );
|
||||
ShiftRow( state, 2, Nb - 2 );
|
||||
ShiftRow( state, 3, Nb - 3 );
|
||||
}
|
||||
|
||||
void rijndael::XorBlocks( const uint8_t *a, const uint8_t *b,
|
||||
uint8_t *c, uint32_t len )
|
||||
{
|
||||
for( uint32_t i = 0; i < len; i++ )
|
||||
{
|
||||
c[ i ] = a[ i ] ^ b[ i ];
|
||||
}
|
||||
}
|
||||
|
||||
std::vector<uint8_t> rijndael::ArrayToVector( uint8_t *a,
|
||||
uint32_t len )
|
||||
{
|
||||
std::vector<uint8_t> v( a, a + len * sizeof( uint8_t ) );
|
||||
return v;
|
||||
}
|
||||
|
||||
uint8_t *rijndael::VectorToArray( std::vector<uint8_t> &a )
|
||||
{
|
||||
return a.data();
|
||||
}
|
||||
|
||||
std::vector<uint8_t> rijndael::EncryptECB( std::vector<uint8_t> in,
|
||||
std::vector<uint8_t> key )
|
||||
{
|
||||
uint8_t *out = EncryptECB( VectorToArray( in ), ( uint32_t )in.size(),
|
||||
VectorToArray( key ) );
|
||||
std::vector<uint8_t> v = ArrayToVector( out, static_cast< uint32_t >( in.size() ) );
|
||||
delete[] out;
|
||||
return v;
|
||||
}
|
||||
|
||||
std::vector<uint8_t> rijndael::DecryptECB( std::vector<uint8_t> in,
|
||||
std::vector<uint8_t> key )
|
||||
{
|
||||
uint8_t *out = DecryptECB( VectorToArray( in ), ( uint32_t )in.size(),
|
||||
VectorToArray( key ) );
|
||||
std::vector<uint8_t> v = ArrayToVector( out, ( uint32_t )in.size() );
|
||||
delete[] out;
|
||||
return v;
|
||||
}
|
||||
282
Crypto/rijndael.h
Normal file
282
Crypto/rijndael.h
Normal file
@@ -0,0 +1,282 @@
|
||||
#pragma once
|
||||
|
||||
#include <cstdio>
|
||||
#include <cstring>
|
||||
#include <iostream>
|
||||
#include <stdexcept>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
class rijndael {
|
||||
private:
|
||||
static constexpr uint32_t Nb = 4;
|
||||
static constexpr uint32_t blockBytesLen = 4 * Nb * sizeof( uint8_t );
|
||||
|
||||
uint32_t Nk;
|
||||
uint32_t Nr;
|
||||
|
||||
void SubBytes( uint8_t state[ 4 ][ Nb ] );
|
||||
|
||||
void ShiftRow( uint8_t state[ 4 ][ Nb ], uint32_t i, uint32_t n );
|
||||
|
||||
void ShiftRows( uint8_t state[ 4 ][ Nb ] );
|
||||
|
||||
uint8_t xtime( uint8_t b );
|
||||
|
||||
void MixColumns( uint8_t state[ 4 ][ Nb ] );
|
||||
|
||||
void AddRoundKey( uint8_t state[ 4 ][ Nb ], uint8_t *key );
|
||||
|
||||
void SubWord( uint8_t *a );
|
||||
|
||||
void RotWord( uint8_t *a );
|
||||
|
||||
void XorWords( uint8_t *a, uint8_t *b, uint8_t *c );
|
||||
|
||||
void Rcon( uint8_t *a, uint32_t n );
|
||||
|
||||
void InvSubBytes( uint8_t state[ 4 ][ Nb ] );
|
||||
|
||||
void InvMixColumns( uint8_t state[ 4 ][ Nb ] );
|
||||
|
||||
void InvShiftRows( uint8_t state[ 4 ][ Nb ] );
|
||||
|
||||
void CheckLength( uint32_t len );
|
||||
|
||||
void KeyExpansion( const uint8_t key[], uint8_t w[] );
|
||||
|
||||
void EncryptBlock( const uint8_t in[], uint8_t out[],
|
||||
uint8_t *roundKeys );
|
||||
|
||||
void DecryptBlock( const uint8_t in[], uint8_t out[],
|
||||
uint8_t *roundKeys );
|
||||
|
||||
void XorBlocks( const uint8_t *a, const uint8_t *b,
|
||||
uint8_t *c, uint32_t len );
|
||||
|
||||
std::vector<uint8_t> ArrayToVector( uint8_t *a, uint32_t len );
|
||||
|
||||
uint8_t *VectorToArray( std::vector<uint8_t> &a );
|
||||
|
||||
public:
|
||||
explicit rijndael();
|
||||
|
||||
uint8_t *EncryptECB( const uint8_t in[], uint32_t inLen,
|
||||
const uint8_t key[] );
|
||||
|
||||
uint8_t *DecryptECB( const uint8_t in[], uint32_t inLen,
|
||||
const uint8_t key[] );
|
||||
|
||||
|
||||
std::vector<uint8_t> EncryptECB( std::vector<uint8_t> in,
|
||||
std::vector<uint8_t> key );
|
||||
|
||||
std::vector<uint8_t> DecryptECB( std::vector<uint8_t> in,
|
||||
std::vector<uint8_t> key );
|
||||
|
||||
};
|
||||
|
||||
const uint8_t sbox[ 16 ][ 16 ] = {
|
||||
{0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76},
|
||||
{0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0},
|
||||
{0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15},
|
||||
{0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75},
|
||||
{0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84},
|
||||
{0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf},
|
||||
{0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8},
|
||||
{0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2},
|
||||
{0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73},
|
||||
{0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb},
|
||||
{0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79},
|
||||
{0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08},
|
||||
{0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a},
|
||||
{0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e},
|
||||
{0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf},
|
||||
{0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16}
|
||||
};
|
||||
|
||||
const uint8_t inv_sbox[ 16 ][ 16 ] = {
|
||||
{0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb},
|
||||
{0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb},
|
||||
{0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e},
|
||||
{0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25},
|
||||
{0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92},
|
||||
{0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84},
|
||||
{0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06},
|
||||
{0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b},
|
||||
{0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73},
|
||||
{0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e},
|
||||
{0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b},
|
||||
{0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4},
|
||||
{0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f},
|
||||
{0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef},
|
||||
{0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61},
|
||||
{0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d}
|
||||
};
|
||||
|
||||
// Galois Multiplication lookup tables
|
||||
static const uint8_t GF_MUL_TABLE[ 15 ][ 256 ] = {
|
||||
{},
|
||||
{},
|
||||
|
||||
// mul 2
|
||||
{0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16,
|
||||
0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
|
||||
0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e, 0x40, 0x42, 0x44, 0x46,
|
||||
0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
|
||||
0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76,
|
||||
0x78, 0x7a, 0x7c, 0x7e, 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e,
|
||||
0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e, 0xa0, 0xa2, 0xa4, 0xa6,
|
||||
0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
|
||||
0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6,
|
||||
0xd8, 0xda, 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee,
|
||||
0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe, 0x1b, 0x19, 0x1f, 0x1d,
|
||||
0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
|
||||
0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d,
|
||||
0x23, 0x21, 0x27, 0x25, 0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55,
|
||||
0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45, 0x7b, 0x79, 0x7f, 0x7d,
|
||||
0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
|
||||
0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d,
|
||||
0x83, 0x81, 0x87, 0x85, 0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5,
|
||||
0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5, 0xdb, 0xd9, 0xdf, 0xdd,
|
||||
0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
|
||||
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed,
|
||||
0xe3, 0xe1, 0xe7, 0xe5},
|
||||
|
||||
// mul 3
|
||||
{0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d,
|
||||
0x14, 0x17, 0x12, 0x11, 0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39,
|
||||
0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21, 0x60, 0x63, 0x66, 0x65,
|
||||
0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
|
||||
0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d,
|
||||
0x44, 0x47, 0x42, 0x41, 0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9,
|
||||
0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1, 0xf0, 0xf3, 0xf6, 0xf5,
|
||||
0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
|
||||
0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd,
|
||||
0xb4, 0xb7, 0xb2, 0xb1, 0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99,
|
||||
0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81, 0x9b, 0x98, 0x9d, 0x9e,
|
||||
0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
|
||||
0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6,
|
||||
0xbf, 0xbc, 0xb9, 0xba, 0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2,
|
||||
0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea, 0xcb, 0xc8, 0xcd, 0xce,
|
||||
0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
|
||||
0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46,
|
||||
0x4f, 0x4c, 0x49, 0x4a, 0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62,
|
||||
0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a, 0x3b, 0x38, 0x3d, 0x3e,
|
||||
0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
|
||||
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16,
|
||||
0x1f, 0x1c, 0x19, 0x1a},
|
||||
|
||||
{},
|
||||
{},
|
||||
{},
|
||||
{},
|
||||
{},
|
||||
|
||||
// mul 9
|
||||
{0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, 0x48, 0x41, 0x5a, 0x53,
|
||||
0x6c, 0x65, 0x7e, 0x77, 0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf,
|
||||
0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7, 0x3b, 0x32, 0x29, 0x20,
|
||||
0x1f, 0x16, 0x0d, 0x04, 0x73, 0x7a, 0x61, 0x68, 0x57, 0x5e, 0x45, 0x4c,
|
||||
0xab, 0xa2, 0xb9, 0xb0, 0x8f, 0x86, 0x9d, 0x94, 0xe3, 0xea, 0xf1, 0xf8,
|
||||
0xc7, 0xce, 0xd5, 0xdc, 0x76, 0x7f, 0x64, 0x6d, 0x52, 0x5b, 0x40, 0x49,
|
||||
0x3e, 0x37, 0x2c, 0x25, 0x1a, 0x13, 0x08, 0x01, 0xe6, 0xef, 0xf4, 0xfd,
|
||||
0xc2, 0xcb, 0xd0, 0xd9, 0xae, 0xa7, 0xbc, 0xb5, 0x8a, 0x83, 0x98, 0x91,
|
||||
0x4d, 0x44, 0x5f, 0x56, 0x69, 0x60, 0x7b, 0x72, 0x05, 0x0c, 0x17, 0x1e,
|
||||
0x21, 0x28, 0x33, 0x3a, 0xdd, 0xd4, 0xcf, 0xc6, 0xf9, 0xf0, 0xeb, 0xe2,
|
||||
0x95, 0x9c, 0x87, 0x8e, 0xb1, 0xb8, 0xa3, 0xaa, 0xec, 0xe5, 0xfe, 0xf7,
|
||||
0xc8, 0xc1, 0xda, 0xd3, 0xa4, 0xad, 0xb6, 0xbf, 0x80, 0x89, 0x92, 0x9b,
|
||||
0x7c, 0x75, 0x6e, 0x67, 0x58, 0x51, 0x4a, 0x43, 0x34, 0x3d, 0x26, 0x2f,
|
||||
0x10, 0x19, 0x02, 0x0b, 0xd7, 0xde, 0xc5, 0xcc, 0xf3, 0xfa, 0xe1, 0xe8,
|
||||
0x9f, 0x96, 0x8d, 0x84, 0xbb, 0xb2, 0xa9, 0xa0, 0x47, 0x4e, 0x55, 0x5c,
|
||||
0x63, 0x6a, 0x71, 0x78, 0x0f, 0x06, 0x1d, 0x14, 0x2b, 0x22, 0x39, 0x30,
|
||||
0x9a, 0x93, 0x88, 0x81, 0xbe, 0xb7, 0xac, 0xa5, 0xd2, 0xdb, 0xc0, 0xc9,
|
||||
0xf6, 0xff, 0xe4, 0xed, 0x0a, 0x03, 0x18, 0x11, 0x2e, 0x27, 0x3c, 0x35,
|
||||
0x42, 0x4b, 0x50, 0x59, 0x66, 0x6f, 0x74, 0x7d, 0xa1, 0xa8, 0xb3, 0xba,
|
||||
0x85, 0x8c, 0x97, 0x9e, 0xe9, 0xe0, 0xfb, 0xf2, 0xcd, 0xc4, 0xdf, 0xd6,
|
||||
0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62,
|
||||
0x5d, 0x54, 0x4f, 0x46},
|
||||
|
||||
{},
|
||||
|
||||
// mul 11
|
||||
{0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45,
|
||||
0x74, 0x7f, 0x62, 0x69, 0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81,
|
||||
0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9, 0x7b, 0x70, 0x6d, 0x66,
|
||||
0x57, 0x5c, 0x41, 0x4a, 0x23, 0x28, 0x35, 0x3e, 0x0f, 0x04, 0x19, 0x12,
|
||||
0xcb, 0xc0, 0xdd, 0xd6, 0xe7, 0xec, 0xf1, 0xfa, 0x93, 0x98, 0x85, 0x8e,
|
||||
0xbf, 0xb4, 0xa9, 0xa2, 0xf6, 0xfd, 0xe0, 0xeb, 0xda, 0xd1, 0xcc, 0xc7,
|
||||
0xae, 0xa5, 0xb8, 0xb3, 0x82, 0x89, 0x94, 0x9f, 0x46, 0x4d, 0x50, 0x5b,
|
||||
0x6a, 0x61, 0x7c, 0x77, 0x1e, 0x15, 0x08, 0x03, 0x32, 0x39, 0x24, 0x2f,
|
||||
0x8d, 0x86, 0x9b, 0x90, 0xa1, 0xaa, 0xb7, 0xbc, 0xd5, 0xde, 0xc3, 0xc8,
|
||||
0xf9, 0xf2, 0xef, 0xe4, 0x3d, 0x36, 0x2b, 0x20, 0x11, 0x1a, 0x07, 0x0c,
|
||||
0x65, 0x6e, 0x73, 0x78, 0x49, 0x42, 0x5f, 0x54, 0xf7, 0xfc, 0xe1, 0xea,
|
||||
0xdb, 0xd0, 0xcd, 0xc6, 0xaf, 0xa4, 0xb9, 0xb2, 0x83, 0x88, 0x95, 0x9e,
|
||||
0x47, 0x4c, 0x51, 0x5a, 0x6b, 0x60, 0x7d, 0x76, 0x1f, 0x14, 0x09, 0x02,
|
||||
0x33, 0x38, 0x25, 0x2e, 0x8c, 0x87, 0x9a, 0x91, 0xa0, 0xab, 0xb6, 0xbd,
|
||||
0xd4, 0xdf, 0xc2, 0xc9, 0xf8, 0xf3, 0xee, 0xe5, 0x3c, 0x37, 0x2a, 0x21,
|
||||
0x10, 0x1b, 0x06, 0x0d, 0x64, 0x6f, 0x72, 0x79, 0x48, 0x43, 0x5e, 0x55,
|
||||
0x01, 0x0a, 0x17, 0x1c, 0x2d, 0x26, 0x3b, 0x30, 0x59, 0x52, 0x4f, 0x44,
|
||||
0x75, 0x7e, 0x63, 0x68, 0xb1, 0xba, 0xa7, 0xac, 0x9d, 0x96, 0x8b, 0x80,
|
||||
0xe9, 0xe2, 0xff, 0xf4, 0xc5, 0xce, 0xd3, 0xd8, 0x7a, 0x71, 0x6c, 0x67,
|
||||
0x56, 0x5d, 0x40, 0x4b, 0x22, 0x29, 0x34, 0x3f, 0x0e, 0x05, 0x18, 0x13,
|
||||
0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f,
|
||||
0xbe, 0xb5, 0xa8, 0xa3},
|
||||
|
||||
{},
|
||||
|
||||
// mul 13
|
||||
{0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f,
|
||||
0x5c, 0x51, 0x46, 0x4b, 0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3,
|
||||
0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b, 0xbb, 0xb6, 0xa1, 0xac,
|
||||
0x8f, 0x82, 0x95, 0x98, 0xd3, 0xde, 0xc9, 0xc4, 0xe7, 0xea, 0xfd, 0xf0,
|
||||
0x6b, 0x66, 0x71, 0x7c, 0x5f, 0x52, 0x45, 0x48, 0x03, 0x0e, 0x19, 0x14,
|
||||
0x37, 0x3a, 0x2d, 0x20, 0x6d, 0x60, 0x77, 0x7a, 0x59, 0x54, 0x43, 0x4e,
|
||||
0x05, 0x08, 0x1f, 0x12, 0x31, 0x3c, 0x2b, 0x26, 0xbd, 0xb0, 0xa7, 0xaa,
|
||||
0x89, 0x84, 0x93, 0x9e, 0xd5, 0xd8, 0xcf, 0xc2, 0xe1, 0xec, 0xfb, 0xf6,
|
||||
0xd6, 0xdb, 0xcc, 0xc1, 0xe2, 0xef, 0xf8, 0xf5, 0xbe, 0xb3, 0xa4, 0xa9,
|
||||
0x8a, 0x87, 0x90, 0x9d, 0x06, 0x0b, 0x1c, 0x11, 0x32, 0x3f, 0x28, 0x25,
|
||||
0x6e, 0x63, 0x74, 0x79, 0x5a, 0x57, 0x40, 0x4d, 0xda, 0xd7, 0xc0, 0xcd,
|
||||
0xee, 0xe3, 0xf4, 0xf9, 0xb2, 0xbf, 0xa8, 0xa5, 0x86, 0x8b, 0x9c, 0x91,
|
||||
0x0a, 0x07, 0x10, 0x1d, 0x3e, 0x33, 0x24, 0x29, 0x62, 0x6f, 0x78, 0x75,
|
||||
0x56, 0x5b, 0x4c, 0x41, 0x61, 0x6c, 0x7b, 0x76, 0x55, 0x58, 0x4f, 0x42,
|
||||
0x09, 0x04, 0x13, 0x1e, 0x3d, 0x30, 0x27, 0x2a, 0xb1, 0xbc, 0xab, 0xa6,
|
||||
0x85, 0x88, 0x9f, 0x92, 0xd9, 0xd4, 0xc3, 0xce, 0xed, 0xe0, 0xf7, 0xfa,
|
||||
0xb7, 0xba, 0xad, 0xa0, 0x83, 0x8e, 0x99, 0x94, 0xdf, 0xd2, 0xc5, 0xc8,
|
||||
0xeb, 0xe6, 0xf1, 0xfc, 0x67, 0x6a, 0x7d, 0x70, 0x53, 0x5e, 0x49, 0x44,
|
||||
0x0f, 0x02, 0x15, 0x18, 0x3b, 0x36, 0x21, 0x2c, 0x0c, 0x01, 0x16, 0x1b,
|
||||
0x38, 0x35, 0x22, 0x2f, 0x64, 0x69, 0x7e, 0x73, 0x50, 0x5d, 0x4a, 0x47,
|
||||
0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3,
|
||||
0x80, 0x8d, 0x9a, 0x97},
|
||||
|
||||
// mul 14
|
||||
{0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62,
|
||||
0x48, 0x46, 0x54, 0x5a, 0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca,
|
||||
0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba, 0xdb, 0xd5, 0xc7, 0xc9,
|
||||
0xe3, 0xed, 0xff, 0xf1, 0xab, 0xa5, 0xb7, 0xb9, 0x93, 0x9d, 0x8f, 0x81,
|
||||
0x3b, 0x35, 0x27, 0x29, 0x03, 0x0d, 0x1f, 0x11, 0x4b, 0x45, 0x57, 0x59,
|
||||
0x73, 0x7d, 0x6f, 0x61, 0xad, 0xa3, 0xb1, 0xbf, 0x95, 0x9b, 0x89, 0x87,
|
||||
0xdd, 0xd3, 0xc1, 0xcf, 0xe5, 0xeb, 0xf9, 0xf7, 0x4d, 0x43, 0x51, 0x5f,
|
||||
0x75, 0x7b, 0x69, 0x67, 0x3d, 0x33, 0x21, 0x2f, 0x05, 0x0b, 0x19, 0x17,
|
||||
0x76, 0x78, 0x6a, 0x64, 0x4e, 0x40, 0x52, 0x5c, 0x06, 0x08, 0x1a, 0x14,
|
||||
0x3e, 0x30, 0x22, 0x2c, 0x96, 0x98, 0x8a, 0x84, 0xae, 0xa0, 0xb2, 0xbc,
|
||||
0xe6, 0xe8, 0xfa, 0xf4, 0xde, 0xd0, 0xc2, 0xcc, 0x41, 0x4f, 0x5d, 0x53,
|
||||
0x79, 0x77, 0x65, 0x6b, 0x31, 0x3f, 0x2d, 0x23, 0x09, 0x07, 0x15, 0x1b,
|
||||
0xa1, 0xaf, 0xbd, 0xb3, 0x99, 0x97, 0x85, 0x8b, 0xd1, 0xdf, 0xcd, 0xc3,
|
||||
0xe9, 0xe7, 0xf5, 0xfb, 0x9a, 0x94, 0x86, 0x88, 0xa2, 0xac, 0xbe, 0xb0,
|
||||
0xea, 0xe4, 0xf6, 0xf8, 0xd2, 0xdc, 0xce, 0xc0, 0x7a, 0x74, 0x66, 0x68,
|
||||
0x42, 0x4c, 0x5e, 0x50, 0x0a, 0x04, 0x16, 0x18, 0x32, 0x3c, 0x2e, 0x20,
|
||||
0xec, 0xe2, 0xf0, 0xfe, 0xd4, 0xda, 0xc8, 0xc6, 0x9c, 0x92, 0x80, 0x8e,
|
||||
0xa4, 0xaa, 0xb8, 0xb6, 0x0c, 0x02, 0x10, 0x1e, 0x34, 0x3a, 0x28, 0x26,
|
||||
0x7c, 0x72, 0x60, 0x6e, 0x44, 0x4a, 0x58, 0x56, 0x37, 0x39, 0x2b, 0x25,
|
||||
0x0f, 0x01, 0x13, 0x1d, 0x47, 0x49, 0x5b, 0x55, 0x7f, 0x71, 0x63, 0x6d,
|
||||
0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5,
|
||||
0x9f, 0x91, 0x83, 0x8d} };
|
||||
|
||||
// circulant MDS matrix
|
||||
static const uint8_t CMDS[ 4 ][ 4 ] = {
|
||||
{2, 3, 1, 1}, {1, 2, 3, 1}, {1, 1, 2, 3}, {3, 1, 1, 2} };
|
||||
|
||||
// Inverse circulant MDS matrix
|
||||
static const uint8_t INV_CMDS[ 4 ][ 4 ] = {
|
||||
{14, 11, 13, 9}, {9, 14, 11, 13}, {13, 9, 14, 11}, {11, 13, 9, 14} };
|
||||
Reference in New Issue
Block a user