| static private Multiply ( byte block, byte val ) : void | ||
| block | byte | |
| val | byte | |
| 리턴 | void | |
public void ExponentiateX(long pow, byte[] output)
{
// Initial value is little-endian 1
byte[] y = GcmUtilities.OneAsBytes();
if (pow > 0)
{
byte[] powX = Arrays.Clone(x);
do
{
if ((pow & 1L) != 0)
{
GcmUtilities.Multiply(y, powX);
}
GcmUtilities.Multiply(powX, powX);
pow >>= 1;
}while (pow > 0);
}
Array.Copy(y, 0, output, 0, 16);
}
public void ExponentiateX(long pow, byte[] output)
{
// Initial value is little-endian 1
ulong[] y = GcmUtilities.OneAsUlongs();
if (pow > 0)
{
ulong[] powX = Arrays.Clone(x);
do
{
if ((pow & 1L) != 0)
{
GcmUtilities.Multiply(y, powX);
}
GcmUtilities.Square(powX, powX);
pow >>= 1;
}while (pow > 0);
}
GcmUtilities.AsBytes(y, output);
}
public void MultiplyH(byte[] x)
{
GcmUtilities.Multiply(x, H);
}
public void MultiplyH(byte[] x)
{
uint[] x2 = GcmUtilities.AsUints(x);
GcmUtilities.Multiply(x2, this.H);
GcmUtilities.AsBytes(x2, x);
}
public void MultiplyH(byte[] x)
{
uint[] t = GcmUtilities.AsUints(x);
GcmUtilities.Multiply(t, H);
GcmUtilities.AsBytes(t, x);
}
public void MultiplyH(byte[] x)
{
ulong[] t = GcmUtilities.AsUlongs(x);
GcmUtilities.Multiply(t, H);
GcmUtilities.AsBytes(t, x);
}
