How to use

RIPEMD128Digest

in

org.spongycastle.crypto.digests

  public ExtendedDigest get(AlgorithmIdentifier digestAlgorithmIdentifier)
  {
    return new RIPEMD128Digest();
  }
});

a = F1(a, b, c, d, X[ 0], 11);
d = F1(d, a, b, c, X[ 1], 14);
c = F1(c, d, a, b, X[ 2], 15);
b = F1(b, c, d, a, X[ 3], 12);
a = F1(a, b, c, d, X[ 4],  5);
d = F1(d, a, b, c, X[ 5],  8);
c = F1(c, d, a, b, X[ 6],  7);
b = F1(b, c, d, a, X[ 7],  9);
a = F1(a, b, c, d, X[ 8], 11);
d = F1(d, a, b, c, X[ 9], 13);
c = F1(c, d, a, b, X[10], 14);
b = F1(b, c, d, a, X[11], 15);
a = F1(a, b, c, d, X[12],  6);
d = F1(d, a, b, c, X[13],  7);
c = F1(c, d, a, b, X[14],  9);
b = F1(b, c, d, a, X[15],  8);
a = F2(a, b, c, d, X[ 7],  7);
d = F2(d, a, b, c, X[ 4],  6);
c = F2(c, d, a, b, X[13],  8);
b = F2(b, c, d, a, X[ 1], 13);
a = F2(a, b, c, d, X[10], 11);
d = F2(d, a, b, c, X[ 6],  9);
c = F2(c, d, a, b, X[15],  7);
b = F2(b, c, d, a, X[ 3], 15);
a = F2(a, b, c, d, X[12],  7);
d = F2(d, a, b, c, X[ 0], 12);
c = F2(c, d, a, b, X[ 9], 15);
b = F2(b, c, d, a, X[ 5],  9);

a = F1(a, b, c, d, X[ 0], 11);
d = F1(d, a, b, c, X[ 1], 14);
c = F1(c, d, a, b, X[ 2], 15);
b = F1(b, c, d, a, X[ 3], 12);
a = F1(a, b, c, d, X[ 4],  5);
d = F1(d, a, b, c, X[ 5],  8);
c = F1(c, d, a, b, X[ 6],  7);
b = F1(b, c, d, a, X[ 7],  9);
a = F1(a, b, c, d, X[ 8], 11);
d = F1(d, a, b, c, X[ 9], 13);
c = F1(c, d, a, b, X[10], 14);
b = F1(b, c, d, a, X[11], 15);
a = F1(a, b, c, d, X[12],  6);
d = F1(d, a, b, c, X[13],  7);
c = F1(c, d, a, b, X[14],  9);
b = F1(b, c, d, a, X[15],  8);
a = F2(a, b, c, d, X[ 7],  7);
d = F2(d, a, b, c, X[ 4],  6);
c = F2(c, d, a, b, X[13],  8);
b = F2(b, c, d, a, X[ 1], 13);
a = F2(a, b, c, d, X[10], 11);
d = F2(d, a, b, c, X[ 6],  9);
c = F2(c, d, a, b, X[15],  7);
b = F2(b, c, d, a, X[ 3], 15);
a = F2(a, b, c, d, X[12],  7);
d = F2(d, a, b, c, X[ 0], 12);
c = F2(c, d, a, b, X[ 9], 15);
b = F2(b, c, d, a, X[ 5],  9);

public Digest()
{
  super(new RIPEMD128Digest());
}

  public ExtendedDigest get(AlgorithmIdentifier digestAlgorithmIdentifier)
  {
    return new RIPEMD128Digest();
  }
});

public Memoable copy()
{
  return new RIPEMD128Digest(this);
}

public Digest()
{
  super(new RIPEMD128Digest());
}

  public HashMac()
  {
    super(new HMac(new RIPEMD128Digest()));
  }
}

  public HashMac()
  {
    super(new HMac(new RIPEMD128Digest()));
  }
}

  public RIPEMD128()
  {
    super(new HMac(new RIPEMD128Digest()));
  }
}

  public RIPEMD128()
  {
    super(new HMac(new RIPEMD128Digest()));
  }
}

  public RIPEMD128WithRSAEncryption()
  {
    super(new RIPEMD128Digest(), new RSABlindedEngine());
  }
}

  public Object clone()
    throws CloneNotSupportedException
  {
    Digest d = (Digest)super.clone();
    d.digest = new RIPEMD128Digest((RIPEMD128Digest)digest);
    return d;
  }
}

  public Object clone()
    throws CloneNotSupportedException
  {
    Digest d = (Digest)super.clone();
    d.digest = new RIPEMD128Digest((RIPEMD128Digest)digest);
    return d;
  }
}

  public RIPEMD128()
  {
    super(TeleTrusTObjectIdentifiers.ripemd128, new RIPEMD128Digest(), new PKCS1Encoding(new RSABlindedEngine()));
  }
}

  public RIPEMD128()
  {
    super(TeleTrusTObjectIdentifiers.ripemd128, new RIPEMD128Digest(), new PKCS1Encoding(new RSABlindedEngine()));
  }
}

 RSAKeyParameters pubParameters = new RSAKeyParameters(false, mod3, pub3);
RSAKeyParameters privParameters = new RSAKeyParameters(true, mod3, pri3);
RSAEngine rsa = new RSAEngine();
byte[] data;
ISO9796d2Signer eng = new ISO9796d2Signer(rsa, new RIPEMD128Digest());
eng.init(true, privParameters);
eng.update(msg4[0]);
eng.update(msg4, 1, msg4.length - 1);
data = eng.generateSignature();
eng.init(false, pubParameters);
eng.update(msg4[0]);
eng.update(msg4, 1, msg4.length - 1);
if (eng.hasFullMessage()) {
  eng = new ISO9796d2Signer(rsa, new RIPEMD128Digest());
  eng.init(false, pubParameters);
  if (!eng.verifySignature(sig4)) {
    // signature tampered with
  }
  byte[] message = eng.getRecoveredMessage(), 0, msg4);
}