trevor/SuperVPN
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

init commit

Browse Source
This commit is contained in:
Andrey K. Choi
2025-10-09 09:57:24 +09:00
commit 4d551bd74f
6636 changed files with 1218703 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

222
output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Digests/MD4Digest.cs Normal file
View File

@@ -0,0 +1,222 @@
using System;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Crypto.Digests;
public class MD4Digest : GeneralDigest
{
private const int DigestLength = 16;
private const int S11 = 3;
private const int S12 = 7;
private const int S13 = 11;
private const int S14 = 19;
private const int S21 = 3;
private const int S22 = 5;
private const int S23 = 9;
private const int S24 = 13;
private const int S31 = 3;
private const int S32 = 9;
private const int S33 = 11;
private const int S34 = 15;
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 => "MD4";
public MD4Digest()
{
Reset();
}
public MD4Digest(MD4Digest t)
: base(t)
{
CopyIn(t);
}
private void CopyIn(MD4Digest t)
{
CopyIn((GeneralDigest)t);
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 16;
}
internal override void ProcessWord(byte[] input, int inOff)
{
X[xOff++] = (input[inOff] & 0xFF) | ((input[inOff + 1] & 0xFF) << 8) | ((input[inOff + 2] & 0xFF) << 16) | ((input[inOff + 3] & 0xFF) << 24);
if (xOff == 16)
{
ProcessBlock();
}
}
internal override void ProcessLength(long bitLength)
{
if (xOff > 14)
{
ProcessBlock();
}
X[14] = (int)(bitLength & 0xFFFFFFFFu);
X[15] = (int)(bitLength >>> 32);
}
private void UnpackWord(int word, byte[] outBytes, int outOff)
{
outBytes[outOff] = (byte)word;
outBytes[outOff + 1] = (byte)((uint)word >> 8);
outBytes[outOff + 2] = (byte)((uint)word >> 16);
outBytes[outOff + 3] = (byte)((uint)word >> 24);
}
public override int DoFinal(byte[] output, int outOff)
{
Finish();
UnpackWord(H1, output, outOff);
UnpackWord(H2, output, outOff + 4);
UnpackWord(H3, output, outOff + 8);
UnpackWord(H4, output, outOff + 12);
Reset();
return 16;
}
public override void Reset()
{
base.Reset();
H1 = 1732584193;
H2 = -271733879;
H3 = -1732584194;
H4 = 271733878;
xOff = 0;
for (int i = 0; i != X.Length; i++)
{
X[i] = 0;
}
}
private int RotateLeft(int x, int n)
{
return (x << n) | (x >>> 32 - n);
}
private int F(int u, int v, int w)
{
return (u & v) | (~u & w);
}
private int G(int u, int v, int w)
{
return (u & v) | (u & w) | (v & w);
}
private int H(int u, int v, int w)
{
return u ^ v ^ w;
}
internal override void ProcessBlock()
{
int h = H1;
int h2 = H2;
int h3 = H3;
int h4 = H4;
h = RotateLeft(h + F(h2, h3, h4) + X[0], 3);
h4 = RotateLeft(h4 + F(h, h2, h3) + X[1], 7);
h3 = RotateLeft(h3 + F(h4, h, h2) + X[2], 11);
h2 = RotateLeft(h2 + F(h3, h4, h) + X[3], 19);
h = RotateLeft(h + F(h2, h3, h4) + X[4], 3);
h4 = RotateLeft(h4 + F(h, h2, h3) + X[5], 7);
h3 = RotateLeft(h3 + F(h4, h, h2) + X[6], 11);
h2 = RotateLeft(h2 + F(h3, h4, h) + X[7], 19);
h = RotateLeft(h + F(h2, h3, h4) + X[8], 3);
h4 = RotateLeft(h4 + F(h, h2, h3) + X[9], 7);
h3 = RotateLeft(h3 + F(h4, h, h2) + X[10], 11);
h2 = RotateLeft(h2 + F(h3, h4, h) + X[11], 19);
h = RotateLeft(h + F(h2, h3, h4) + X[12], 3);
h4 = RotateLeft(h4 + F(h, h2, h3) + X[13], 7);
h3 = RotateLeft(h3 + F(h4, h, h2) + X[14], 11);
h2 = RotateLeft(h2 + F(h3, h4, h) + X[15], 19);
h = RotateLeft(h + G(h2, h3, h4) + X[0] + 1518500249, 3);
h4 = RotateLeft(h4 + G(h, h2, h3) + X[4] + 1518500249, 5);
h3 = RotateLeft(h3 + G(h4, h, h2) + X[8] + 1518500249, 9);
h2 = RotateLeft(h2 + G(h3, h4, h) + X[12] + 1518500249, 13);
h = RotateLeft(h + G(h2, h3, h4) + X[1] + 1518500249, 3);
h4 = RotateLeft(h4 + G(h, h2, h3) + X[5] + 1518500249, 5);
h3 = RotateLeft(h3 + G(h4, h, h2) + X[9] + 1518500249, 9);
h2 = RotateLeft(h2 + G(h3, h4, h) + X[13] + 1518500249, 13);
h = RotateLeft(h + G(h2, h3, h4) + X[2] + 1518500249, 3);
h4 = RotateLeft(h4 + G(h, h2, h3) + X[6] + 1518500249, 5);
h3 = RotateLeft(h3 + G(h4, h, h2) + X[10] + 1518500249, 9);
h2 = RotateLeft(h2 + G(h3, h4, h) + X[14] + 1518500249, 13);
h = RotateLeft(h + G(h2, h3, h4) + X[3] + 1518500249, 3);
h4 = RotateLeft(h4 + G(h, h2, h3) + X[7] + 1518500249, 5);
h3 = RotateLeft(h3 + G(h4, h, h2) + X[11] + 1518500249, 9);
h2 = RotateLeft(h2 + G(h3, h4, h) + X[15] + 1518500249, 13);
h = RotateLeft(h + H(h2, h3, h4) + X[0] + 1859775393, 3);
h4 = RotateLeft(h4 + H(h, h2, h3) + X[8] + 1859775393, 9);
h3 = RotateLeft(h3 + H(h4, h, h2) + X[4] + 1859775393, 11);
h2 = RotateLeft(h2 + H(h3, h4, h) + X[12] + 1859775393, 15);
h = RotateLeft(h + H(h2, h3, h4) + X[2] + 1859775393, 3);
h4 = RotateLeft(h4 + H(h, h2, h3) + X[10] + 1859775393, 9);
h3 = RotateLeft(h3 + H(h4, h, h2) + X[6] + 1859775393, 11);
h2 = RotateLeft(h2 + H(h3, h4, h) + X[14] + 1859775393, 15);
h = RotateLeft(h + H(h2, h3, h4) + X[1] + 1859775393, 3);
h4 = RotateLeft(h4 + H(h, h2, h3) + X[9] + 1859775393, 9);
h3 = RotateLeft(h3 + H(h4, h, h2) + X[5] + 1859775393, 11);
h2 = RotateLeft(h2 + H(h3, h4, h) + X[13] + 1859775393, 15);
h = RotateLeft(h + H(h2, h3, h4) + X[3] + 1859775393, 3);
h4 = RotateLeft(h4 + H(h, h2, h3) + X[11] + 1859775393, 9);
h3 = RotateLeft(h3 + H(h4, h, h2) + X[7] + 1859775393, 11);
h2 = RotateLeft(h2 + H(h3, h4, h) + X[15] + 1859775393, 15);
H1 += h;
H2 += h2;
H3 += h3;
H4 += h4;
xOff = 0;
for (int i = 0; i != X.Length; i++)
{
X[i] = 0;
}
}
public override IMemoable Copy()
{
return new MD4Digest(this);
}
public override void Reset(IMemoable other)
{
MD4Digest t = (MD4Digest)other;
CopyIn(t);
}
}