private void Output(ulong outputSequence, byte[] outBytes, int outOff, int outputBytes)
{
byte[] currentBytes = new byte[8];
ThreefishEngine.WordToBytes(outputSequence, currentBytes, 0);
// Output is a sequence of UBI invocations all of which use and preserve the pre-output
// state
ulong[] outputWords = new ulong[chain.Length];
UbiInit(PARAM_TYPE_OUTPUT);
this.ubi.Update(currentBytes, 0, currentBytes.Length, outputWords);
ubi.DoFinal(outputWords);
int wordsRequired = ((outputBytes + 8 - 1) / 8);
for (int i = 0; i < wordsRequired; i++)
{
int toWrite = System.Math.Min(8, outputBytes - (i * 8));
if (toWrite == 8)
{
ThreefishEngine.WordToBytes(outputWords[i], outBytes, outOff + (i * 8));
}
else
{
ThreefishEngine.WordToBytes(outputWords[i], currentBytes, 0);
Array.Copy(currentBytes, 0, outBytes, outOff + (i * 8), toWrite);
}
}
}
public Configuration(long outputSizeBits)
{
bytes[0] = 83;
bytes[1] = 72;
bytes[2] = 65;
bytes[3] = 51;
bytes[4] = 1;
bytes[5] = 0;
ThreefishEngine.WordToBytes((ulong)outputSizeBits, bytes, 8);
}
public Configuration(long outputSizeBits)
{
// 0..3 = ASCII SHA3
bytes[0] = (byte)'S';
bytes[1] = (byte)'H';
bytes[2] = (byte)'A';
bytes[3] = (byte)'3';
// 4..5 = version number in LSB order
bytes[4] = 1;
bytes[5] = 0;
// 8..15 = output length
ThreefishEngine.WordToBytes((ulong)outputSizeBits, bytes, 8);
}
private void Output(ulong outputSequence, byte[] outBytes, int outOff, int outputBytes)
{
byte[] array = new byte[8];
ThreefishEngine.WordToBytes(outputSequence, array, 0);
ulong[] array2 = new ulong[chain.Length];
UbiInit(63);
ubi.Update(array, 0, array.Length, array2);
ubi.DoFinal(array2);
int num = (outputBytes + 8 - 1) / 8;
for (int i = 0; i < num; i++)
{
int num2 = Math.Min(8, outputBytes - i * 8);
if (num2 == 8)
{
ThreefishEngine.WordToBytes(array2[i], outBytes, outOff + i * 8);
continue;
}
ThreefishEngine.WordToBytes(array2[i], array, 0);
global::System.Array.Copy((global::System.Array)array, 0, (global::System.Array)outBytes, outOff + i * 8, num2);
}
}
private void Output(ulong outputSequence, byte[] outBytes, int outOff, int outputBytes)
{
byte[] array = new byte[8];
ThreefishEngine.WordToBytes(outputSequence, array, 0);
ulong[] array2 = new ulong[this.chain.Length];
this.UbiInit(63);
this.ubi.Update(array, 0, array.Length, array2);
this.ubi.DoFinal(array2);
int num = (outputBytes + 8 - 1) / 8;
for (int i = 0; i < num; i++)
{
int num2 = Math.Min(8, outputBytes - i * 8);
if (num2 == 8)
{
ThreefishEngine.WordToBytes(array2[i], outBytes, outOff + i * 8);
}
else
{
ThreefishEngine.WordToBytes(array2[i], array, 0);
Array.Copy(array, 0, outBytes, outOff + i * 8, num2);
}
}
}
