RipeMD160Digest
using Org.BouncyCastle.Crypto.Utilities;
using Org.BouncyCastle.Utilities;
using System;
namespace Org.BouncyCastle.Crypto.Digests
{
public class RipeMD160Digest : GeneralDigest
{
private const int DigestLength = 20;
private int H0;
private int H1;
private int H2;
private int H3;
private int H4;
private int[] X = new int[16];
private int xOff;
public override string AlgorithmName => "RIPEMD160";
public RipeMD160Digest()
{
Reset();
}
public RipeMD160Digest(RipeMD160Digest t)
: base(t)
{
CopyIn(t);
}
private void CopyIn(RipeMD160Digest t)
{
CopyIn((GeneralDigest)t);
H0 = t.H0;
H1 = t.H1;
H2 = t.H2;
H3 = t.H3;
H4 = t.H4;
Array.Copy(t.X, 0, X, 0, t.X.Length);
xOff = t.xOff;
}
public override int GetDigestSize()
{
return 20;
}
internal override void ProcessWord(byte[] input, int inOff)
{
X[xOff++] = (int)Pack.LE_To_UInt32(input, inOff);
if (xOff == 16)
ProcessBlock();
}
internal override void ProcessLength(long bitLength)
{
if (xOff > 14)
ProcessBlock();
X[14] = (int)(bitLength & uint.MaxValue);
X[15] = (int)((ulong)bitLength >> 32);
}
public override int DoFinal(byte[] output, int outOff)
{
Finish();
Pack.UInt32_To_LE((uint)H0, output, outOff);
Pack.UInt32_To_LE((uint)H1, output, outOff + 4);
Pack.UInt32_To_LE((uint)H2, output, outOff + 8);
Pack.UInt32_To_LE((uint)H3, output, outOff + 12);
Pack.UInt32_To_LE((uint)H4, output, outOff + 16);
Reset();
return 20;
}
public override void Reset()
{
base.Reset();
H0 = 1732584193;
H1 = -271733879;
H2 = -1732584194;
H3 = 271733878;
H4 = -1009589776;
xOff = 0;
for (int i = 0; i != X.Length; i++) {
X[i] = 0;
}
}
private int RL(int x, int n)
{
return (x << n) | (int)((uint)x >> 32 - n);
}
private int F1(int x, int y, int z)
{
return x ^ y ^ z;
}
private int F2(int x, int y, int z)
{
return (x & y) | (~x & z);
}
private int F3(int x, int y, int z)
{
return (x | ~y) ^ z;
}
private int F4(int x, int y, int z)
{
return (x & z) | (y & ~z);
}
private int F5(int x, int y, int z)
{
return x ^ (y | ~z);
}
internal override void ProcessBlock()
{
int h;
int num = h = H0;
int h2;
int num2 = h2 = H1;
int h3;
int num3 = h3 = H2;
int h4;
int num4 = h4 = H3;
int h5;
int num5 = h5 = H4;
num = RL(num + F1(num2, num3, num4) + X[0], 11) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F1(num, num2, num3) + X[1], 14) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F1(num5, num, num2) + X[2], 15) + num3;
num = RL(num, 10);
num3 = RL(num3 + F1(num4, num5, num) + X[3], 12) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F1(num3, num4, num5) + X[4], 5) + num;
num4 = RL(num4, 10);
num = RL(num + F1(num2, num3, num4) + X[5], 8) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F1(num, num2, num3) + X[6], 7) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F1(num5, num, num2) + X[7], 9) + num3;
num = RL(num, 10);
num3 = RL(num3 + F1(num4, num5, num) + X[8], 11) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F1(num3, num4, num5) + X[9], 13) + num;
num4 = RL(num4, 10);
num = RL(num + F1(num2, num3, num4) + X[10], 14) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F1(num, num2, num3) + X[11], 15) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F1(num5, num, num2) + X[12], 6) + num3;
num = RL(num, 10);
num3 = RL(num3 + F1(num4, num5, num) + X[13], 7) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F1(num3, num4, num5) + X[14], 9) + num;
num4 = RL(num4, 10);
num = RL(num + F1(num2, num3, num4) + X[15], 8) + num5;
num3 = RL(num3, 10);
h = RL(h + F5(h2, h3, h4) + X[5] + 1352829926, 8) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F5(h, h2, h3) + X[14] + 1352829926, 9) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F5(h5, h, h2) + X[7] + 1352829926, 9) + h3;
h = RL(h, 10);
h3 = RL(h3 + F5(h4, h5, h) + X[0] + 1352829926, 11) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F5(h3, h4, h5) + X[9] + 1352829926, 13) + h;
h4 = RL(h4, 10);
h = RL(h + F5(h2, h3, h4) + X[2] + 1352829926, 15) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F5(h, h2, h3) + X[11] + 1352829926, 15) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F5(h5, h, h2) + X[4] + 1352829926, 5) + h3;
h = RL(h, 10);
h3 = RL(h3 + F5(h4, h5, h) + X[13] + 1352829926, 7) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F5(h3, h4, h5) + X[6] + 1352829926, 7) + h;
h4 = RL(h4, 10);
h = RL(h + F5(h2, h3, h4) + X[15] + 1352829926, 8) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F5(h, h2, h3) + X[8] + 1352829926, 11) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F5(h5, h, h2) + X[1] + 1352829926, 14) + h3;
h = RL(h, 10);
h3 = RL(h3 + F5(h4, h5, h) + X[10] + 1352829926, 14) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F5(h3, h4, h5) + X[3] + 1352829926, 12) + h;
h4 = RL(h4, 10);
h = RL(h + F5(h2, h3, h4) + X[12] + 1352829926, 6) + h5;
h3 = RL(h3, 10);
num5 = RL(num5 + F2(num, num2, num3) + X[7] + 1518500249, 7) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F2(num5, num, num2) + X[4] + 1518500249, 6) + num3;
num = RL(num, 10);
num3 = RL(num3 + F2(num4, num5, num) + X[13] + 1518500249, 8) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F2(num3, num4, num5) + X[1] + 1518500249, 13) + num;
num4 = RL(num4, 10);
num = RL(num + F2(num2, num3, num4) + X[10] + 1518500249, 11) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F2(num, num2, num3) + X[6] + 1518500249, 9) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F2(num5, num, num2) + X[15] + 1518500249, 7) + num3;
num = RL(num, 10);
num3 = RL(num3 + F2(num4, num5, num) + X[3] + 1518500249, 15) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F2(num3, num4, num5) + X[12] + 1518500249, 7) + num;
num4 = RL(num4, 10);
num = RL(num + F2(num2, num3, num4) + X[0] + 1518500249, 12) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F2(num, num2, num3) + X[9] + 1518500249, 15) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F2(num5, num, num2) + X[5] + 1518500249, 9) + num3;
num = RL(num, 10);
num3 = RL(num3 + F2(num4, num5, num) + X[2] + 1518500249, 11) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F2(num3, num4, num5) + X[14] + 1518500249, 7) + num;
num4 = RL(num4, 10);
num = RL(num + F2(num2, num3, num4) + X[11] + 1518500249, 13) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F2(num, num2, num3) + X[8] + 1518500249, 12) + num4;
num2 = RL(num2, 10);
h5 = RL(h5 + F4(h, h2, h3) + X[6] + 1548603684, 9) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F4(h5, h, h2) + X[11] + 1548603684, 13) + h3;
h = RL(h, 10);
h3 = RL(h3 + F4(h4, h5, h) + X[3] + 1548603684, 15) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F4(h3, h4, h5) + X[7] + 1548603684, 7) + h;
h4 = RL(h4, 10);
h = RL(h + F4(h2, h3, h4) + X[0] + 1548603684, 12) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F4(h, h2, h3) + X[13] + 1548603684, 8) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F4(h5, h, h2) + X[5] + 1548603684, 9) + h3;
h = RL(h, 10);
h3 = RL(h3 + F4(h4, h5, h) + X[10] + 1548603684, 11) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F4(h3, h4, h5) + X[14] + 1548603684, 7) + h;
h4 = RL(h4, 10);
h = RL(h + F4(h2, h3, h4) + X[15] + 1548603684, 7) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F4(h, h2, h3) + X[8] + 1548603684, 12) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F4(h5, h, h2) + X[12] + 1548603684, 7) + h3;
h = RL(h, 10);
h3 = RL(h3 + F4(h4, h5, h) + X[4] + 1548603684, 6) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F4(h3, h4, h5) + X[9] + 1548603684, 15) + h;
h4 = RL(h4, 10);
h = RL(h + F4(h2, h3, h4) + X[1] + 1548603684, 13) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F4(h, h2, h3) + X[2] + 1548603684, 11) + h4;
h2 = RL(h2, 10);
num4 = RL(num4 + F3(num5, num, num2) + X[3] + 1859775393, 11) + num3;
num = RL(num, 10);
num3 = RL(num3 + F3(num4, num5, num) + X[10] + 1859775393, 13) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F3(num3, num4, num5) + X[14] + 1859775393, 6) + num;
num4 = RL(num4, 10);
num = RL(num + F3(num2, num3, num4) + X[4] + 1859775393, 7) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F3(num, num2, num3) + X[9] + 1859775393, 14) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F3(num5, num, num2) + X[15] + 1859775393, 9) + num3;
num = RL(num, 10);
num3 = RL(num3 + F3(num4, num5, num) + X[8] + 1859775393, 13) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F3(num3, num4, num5) + X[1] + 1859775393, 15) + num;
num4 = RL(num4, 10);
num = RL(num + F3(num2, num3, num4) + X[2] + 1859775393, 14) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F3(num, num2, num3) + X[7] + 1859775393, 8) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F3(num5, num, num2) + X[0] + 1859775393, 13) + num3;
num = RL(num, 10);
num3 = RL(num3 + F3(num4, num5, num) + X[6] + 1859775393, 6) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F3(num3, num4, num5) + X[13] + 1859775393, 5) + num;
num4 = RL(num4, 10);
num = RL(num + F3(num2, num3, num4) + X[11] + 1859775393, 12) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F3(num, num2, num3) + X[5] + 1859775393, 7) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F3(num5, num, num2) + X[12] + 1859775393, 5) + num3;
num = RL(num, 10);
h4 = RL(h4 + F3(h5, h, h2) + X[15] + 1836072691, 9) + h3;
h = RL(h, 10);
h3 = RL(h3 + F3(h4, h5, h) + X[5] + 1836072691, 7) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F3(h3, h4, h5) + X[1] + 1836072691, 15) + h;
h4 = RL(h4, 10);
h = RL(h + F3(h2, h3, h4) + X[3] + 1836072691, 11) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F3(h, h2, h3) + X[7] + 1836072691, 8) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F3(h5, h, h2) + X[14] + 1836072691, 6) + h3;
h = RL(h, 10);
h3 = RL(h3 + F3(h4, h5, h) + X[6] + 1836072691, 6) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F3(h3, h4, h5) + X[9] + 1836072691, 14) + h;
h4 = RL(h4, 10);
h = RL(h + F3(h2, h3, h4) + X[11] + 1836072691, 12) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F3(h, h2, h3) + X[8] + 1836072691, 13) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F3(h5, h, h2) + X[12] + 1836072691, 5) + h3;
h = RL(h, 10);
h3 = RL(h3 + F3(h4, h5, h) + X[2] + 1836072691, 14) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F3(h3, h4, h5) + X[10] + 1836072691, 13) + h;
h4 = RL(h4, 10);
h = RL(h + F3(h2, h3, h4) + X[0] + 1836072691, 13) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F3(h, h2, h3) + X[4] + 1836072691, 7) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F3(h5, h, h2) + X[13] + 1836072691, 5) + h3;
h = RL(h, 10);
num3 = RL(num3 + F4(num4, num5, num) + X[1] + -1894007588, 11) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F4(num3, num4, num5) + X[9] + -1894007588, 12) + num;
num4 = RL(num4, 10);
num = RL(num + F4(num2, num3, num4) + X[11] + -1894007588, 14) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F4(num, num2, num3) + X[10] + -1894007588, 15) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F4(num5, num, num2) + X[0] + -1894007588, 14) + num3;
num = RL(num, 10);
num3 = RL(num3 + F4(num4, num5, num) + X[8] + -1894007588, 15) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F4(num3, num4, num5) + X[12] + -1894007588, 9) + num;
num4 = RL(num4, 10);
num = RL(num + F4(num2, num3, num4) + X[4] + -1894007588, 8) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F4(num, num2, num3) + X[13] + -1894007588, 9) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F4(num5, num, num2) + X[3] + -1894007588, 14) + num3;
num = RL(num, 10);
num3 = RL(num3 + F4(num4, num5, num) + X[7] + -1894007588, 5) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F4(num3, num4, num5) + X[15] + -1894007588, 6) + num;
num4 = RL(num4, 10);
num = RL(num + F4(num2, num3, num4) + X[14] + -1894007588, 8) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F4(num, num2, num3) + X[5] + -1894007588, 6) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F4(num5, num, num2) + X[6] + -1894007588, 5) + num3;
num = RL(num, 10);
num3 = RL(num3 + F4(num4, num5, num) + X[2] + -1894007588, 12) + num2;
num5 = RL(num5, 10);
h3 = RL(h3 + F2(h4, h5, h) + X[8] + 2053994217, 15) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F2(h3, h4, h5) + X[6] + 2053994217, 5) + h;
h4 = RL(h4, 10);
h = RL(h + F2(h2, h3, h4) + X[4] + 2053994217, 8) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F2(h, h2, h3) + X[1] + 2053994217, 11) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F2(h5, h, h2) + X[3] + 2053994217, 14) + h3;
h = RL(h, 10);
h3 = RL(h3 + F2(h4, h5, h) + X[11] + 2053994217, 14) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F2(h3, h4, h5) + X[15] + 2053994217, 6) + h;
h4 = RL(h4, 10);
h = RL(h + F2(h2, h3, h4) + X[0] + 2053994217, 14) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F2(h, h2, h3) + X[5] + 2053994217, 6) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F2(h5, h, h2) + X[12] + 2053994217, 9) + h3;
h = RL(h, 10);
h3 = RL(h3 + F2(h4, h5, h) + X[2] + 2053994217, 12) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F2(h3, h4, h5) + X[13] + 2053994217, 9) + h;
h4 = RL(h4, 10);
h = RL(h + F2(h2, h3, h4) + X[9] + 2053994217, 12) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F2(h, h2, h3) + X[7] + 2053994217, 5) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F2(h5, h, h2) + X[10] + 2053994217, 15) + h3;
h = RL(h, 10);
h3 = RL(h3 + F2(h4, h5, h) + X[14] + 2053994217, 8) + h2;
h5 = RL(h5, 10);
num2 = RL(num2 + F5(num3, num4, num5) + X[4] + -1454113458, 9) + num;
num4 = RL(num4, 10);
num = RL(num + F5(num2, num3, num4) + X[0] + -1454113458, 15) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F5(num, num2, num3) + X[5] + -1454113458, 5) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F5(num5, num, num2) + X[9] + -1454113458, 11) + num3;
num = RL(num, 10);
num3 = RL(num3 + F5(num4, num5, num) + X[7] + -1454113458, 6) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F5(num3, num4, num5) + X[12] + -1454113458, 8) + num;
num4 = RL(num4, 10);
num = RL(num + F5(num2, num3, num4) + X[2] + -1454113458, 13) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F5(num, num2, num3) + X[10] + -1454113458, 12) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F5(num5, num, num2) + X[14] + -1454113458, 5) + num3;
num = RL(num, 10);
num3 = RL(num3 + F5(num4, num5, num) + X[1] + -1454113458, 12) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F5(num3, num4, num5) + X[3] + -1454113458, 13) + num;
num4 = RL(num4, 10);
num = RL(num + F5(num2, num3, num4) + X[8] + -1454113458, 14) + num5;
num3 = RL(num3, 10);
num5 = RL(num5 + F5(num, num2, num3) + X[11] + -1454113458, 11) + num4;
num2 = RL(num2, 10);
num4 = RL(num4 + F5(num5, num, num2) + X[6] + -1454113458, 8) + num3;
num = RL(num, 10);
num3 = RL(num3 + F5(num4, num5, num) + X[15] + -1454113458, 5) + num2;
num5 = RL(num5, 10);
num2 = RL(num2 + F5(num3, num4, num5) + X[13] + -1454113458, 6) + num;
num4 = RL(num4, 10);
h2 = RL(h2 + F1(h3, h4, h5) + X[12], 8) + h;
h4 = RL(h4, 10);
h = RL(h + F1(h2, h3, h4) + X[15], 5) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F1(h, h2, h3) + X[10], 12) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F1(h5, h, h2) + X[4], 9) + h3;
h = RL(h, 10);
h3 = RL(h3 + F1(h4, h5, h) + X[1], 12) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F1(h3, h4, h5) + X[5], 5) + h;
h4 = RL(h4, 10);
h = RL(h + F1(h2, h3, h4) + X[8], 14) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F1(h, h2, h3) + X[7], 6) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F1(h5, h, h2) + X[6], 8) + h3;
h = RL(h, 10);
h3 = RL(h3 + F1(h4, h5, h) + X[2], 13) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F1(h3, h4, h5) + X[13], 6) + h;
h4 = RL(h4, 10);
h = RL(h + F1(h2, h3, h4) + X[14], 5) + h5;
h3 = RL(h3, 10);
h5 = RL(h5 + F1(h, h2, h3) + X[0], 15) + h4;
h2 = RL(h2, 10);
h4 = RL(h4 + F1(h5, h, h2) + X[3], 13) + h3;
h = RL(h, 10);
h3 = RL(h3 + F1(h4, h5, h) + X[9], 11) + h2;
h5 = RL(h5, 10);
h2 = RL(h2 + F1(h3, h4, h5) + X[11], 11) + h;
h4 = RL(h4, 10);
h4 += num3 + H1;
H1 = H2 + num4 + h5;
H2 = H3 + num5 + h;
H3 = H4 + num + h2;
H4 = H0 + num2 + h3;
H0 = h4;
xOff = 0;
for (int i = 0; i != X.Length; i++) {
X[i] = 0;
}
}
public override IMemoable Copy()
{
return new RipeMD160Digest(this);
}
public override void Reset(IMemoable other)
{
RipeMD160Digest t = (RipeMD160Digest)other;
CopyIn(t);
}
}
}