/**
* Copy constructor. This will copy the state of the provided
* message digest.
*/
public MD4Digest(MD4Digest t) : base(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;
}
/**
* Copy constructor. This will copy the state of the provided
* message digest.
*/
public MD4Digest(MD4Digest t) : base(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;
}
private void CopyIn(MD4Digest t)
{
base.CopyIn(t);
this.H1 = t.H1;
this.H2 = t.H2;
this.H3 = t.H3;
this.H4 = t.H4;
Array.Copy(t.X, 0, this.X, 0, t.X.Length);
this.xOff = t.xOff;
}
private void CopyIn(MD4Digest t)
{
CopyIn((GeneralDigest)t);
H1 = t.H1;
H2 = t.H2;
H3 = t.H3;
H4 = t.H4;
global::System.Array.Copy((global::System.Array)t.X, 0, (global::System.Array)X, 0, t.X.Length);
xOff = t.xOff;
}
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;
}
private void CopyIn(MD4Digest t)
{
base.CopyIn(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;
}
/**
* Copy constructor. This will copy the state of the provided
* message digest.
*/
public MD4Digest(MD4Digest t) : base(t)
{
CopyIn(t);
}
public override void Reset(IMemoable other)
{
MD4Digest d = (MD4Digest)other;
CopyIn(d);
}
public ITestResult Perform()
{
IDigest digest = new MD4Digest();
byte[] resBuf = new byte[digest.GetDigestSize()];
string resStr;
//
// test 1
//
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec1.Equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 1"
+ SimpleTest.NewLine
+ " expected: " + resVec1
+ SimpleTest.NewLine
+ " got : " + resStr);
}
//
// test 2
//
byte[] bytes = Hex.Decode(testVec2);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec2.Equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 2"
+ SimpleTest.NewLine
+ " expected: " + resVec2
+ SimpleTest.NewLine
+ " got : " + resStr);
}
//
// test 3
//
bytes = Hex.Decode(testVec3);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec3.Equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 3"
+ SimpleTest.NewLine
+ " expected: " + resVec3
+ SimpleTest.NewLine
+ " got : " + resStr);
}
//
// test 4
//
bytes = Hex.Decode(testVec4);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec4.Equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 4"
+ SimpleTest.NewLine
+ " expected: " + resVec4
+ SimpleTest.NewLine
+ " got : " + resStr);
}
//
// test 5
//
bytes = Hex.Decode(testVec4);
digest.BlockUpdate(bytes, 0, bytes.Length/2);
// clone the IDigest
IDigest d = new MD4Digest((MD4Digest)digest);
digest.BlockUpdate(bytes, bytes.Length/2, bytes.Length - bytes.Length/2);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec4.Equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 5"
+ SimpleTest.NewLine
+ " expected: " + resVec4
+ SimpleTest.NewLine
+ " got : " + resStr);
}
d.BlockUpdate(bytes, bytes.Length/2, bytes.Length - bytes.Length/2);
d.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec4.Equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 5"
+ SimpleTest.NewLine
+ " expected: " + resVec4
+ SimpleTest.NewLine
+ " got : " + resStr);
}
return new SimpleTestResult(true, Name + ": Okay");
}
/**
* Copy constructor. This will copy the state of the provided
* message digest.
*/
public MD4Digest(MD4Digest t) : base(t)
{
CopyIn(t);
}
public MD4Digest(MD4Digest t) : base(t)
{
this.CopyIn(t);
}
public override void Reset(IMemoable other)
{
MD4Digest t = (MD4Digest)other;
this.CopyIn(t);
}
public override string hash(string pw)
{
MD4Digest digest = new MD4Digest();
// We want Unicode here (UTF-16)
byte[] password = Encoding.Unicode.GetBytes(pw);
digest.BlockUpdate(password, 0, password.Length);
int digestSize = digest.GetDigestSize();
byte[] hashData = new byte[digestSize];
digest.DoFinal(hashData, 0);
// Convert to HEX and return
return string.Concat(hashData.Select(b => b.ToString("X2")));
}
public MD4Digest(MD4Digest t) : base(t)
{
this.X = new int[0x10];
this.CopyIn(t);
}
