public static byte[] Decrypt(ModuloRing @private, byte[] C)
{
byte[] M = new byte[C.Length / 4];
fixed(byte *pc = C)
{
int *ptr = (int *)pc;
Parallel.For(0, M.Length, i => M[i] = Decrypt(@private, ptr[i]));
}
return(M);
}
public static byte[] Encrypt(ModuloRing @public, byte[] M)
{
byte[] C = new byte[M.Length * 4];
fixed(byte *pc = C)
{
int *ptr = (int *)pc;
Parallel.For(0, M.Length, i => ptr[i] = Encrypt(@public, M[i]));
}
return(C);
}
public override int NextInt() => (_x = _x.Power(2)).GetHashCode();
private static byte Decrypt(ModuloRing @private, int C) => (byte)(bint.ModPow(C, @private.Value, @private.Modulus) - 2);
private static int Encrypt(ModuloRing @public, byte M) => (int)bint.ModPow(M + 2, @public.Value, @public.Modulus);