public KalynaBlock Decrypt(KalynaBlock cipherText)
{
var plainText = new KalynaBlock(cipherText);
plainText.SubRoundKey(RoundsKeys[10]);
plainText.MixColumns(StaticTables.MdsRev);
plainText.ShiftRowsRev();
plainText.SubBytes(StaticTables.kalynaInverseSBoxes);
for (var i = 9; 1 <= i; --i)
{
plainText.Xor(RoundsKeys[i]);
plainText.MixColumns(StaticTables.MdsRev);
plainText.ShiftRowsRev();
plainText.SubBytes(StaticTables.kalynaInverseSBoxes);
}
plainText.SubRoundKey(RoundsKeys[0]);
return(plainText);
}
public KalynaBlock Encrypt(KalynaBlock plainText)
{
var cipherText = new KalynaBlock(plainText);
cipherText.AddRoundKey(RoundsKeys[0]);
for (var i = 1; i <= 9; i++)
{
cipherText.SubBytes(StaticTables.kalynaForwardSBoxes);
cipherText.ShiftRows();
cipherText.MixColumns(StaticTables.Mds);
cipherText.Xor(RoundsKeys[i]);
}
cipherText.SubBytes(StaticTables.kalynaForwardSBoxes);
cipherText.ShiftRows();
cipherText.MixColumns(StaticTables.Mds);
cipherText.AddRoundKey(RoundsKeys[10]);
return(cipherText);
}
private KalynaBlock GenerateKt()
{
var kt = new KalynaBlock(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5 });
kt.AddRoundKey(Key);
kt.SubBytes(StaticTables.kalynaForwardSBoxes);
kt.ShiftRows();
kt.MixColumns(StaticTables.Mds);
kt.Xor(Key);
kt.SubBytes(StaticTables.kalynaForwardSBoxes);
kt.ShiftRows();
kt.MixColumns(StaticTables.Mds);
kt.AddRoundKey(Key);
kt.SubBytes(StaticTables.kalynaForwardSBoxes);
kt.ShiftRows();
kt.MixColumns(StaticTables.Mds);
kt = new KalynaBlock
{
Data = new List <byte>
{
0x7D, 0xD8, 0xE2, 0x38, 0x2F, 0xBC, 0x5C, 0xD0,
0xA1, 0x5B, 0x77, 0x3B, 0x65, 0x1F, 0x2F, 0x86
}
};
return(kt);
}
