kpGen.initialize(new ECGenParameterSpec("prime192v1"));
KeyPair pair = kpGen.generateKeyPair();
final PrivateKey privKey = pair.getPrivate();
final PublicKey pubKey = pair.getPublic();
Signature s = Signature.getInstance("ECDSA", "BC");
// raw interface tests
s.initSign(new PrivateKey()
{
public String getAlgorithm()
{
return privKey.getAlgorithm();
}
public String getFormat()
{
return privKey.getFormat();
}
public byte[] getEncoded()
{
return privKey.getEncoded();
}
});
s.initVerify(new PublicKey()
{
public String getAlgorithm()
{
return pubKey.getAlgorithm();
}
public String getFormat()
{
return pubKey.getFormat();
}
public byte[] getEncoded()
{
return pubKey.getEncoded();
}
});
s.initSign(new ECPrivateKey()
{
public String getAlgorithm()
{
return privKey.getAlgorithm();
}
public String getFormat()
{
return privKey.getFormat();
}
public byte[] getEncoded()
{
return privKey.getEncoded();
}
public BigInteger getS()
{
return ((ECPrivateKey)privKey).getS();
}
public ECParameterSpec getParams()
{
return ((ECPrivateKey)privKey).getParams();
}
});
s.initVerify(new ECPublicKey()
{
public String getAlgorithm()
{
return pubKey.getAlgorithm();
}
public String getFormat()
{
return pubKey.getFormat();
}
public byte[] getEncoded()
{
return pubKey.getEncoded();
}
public ECPoint getW()
{
return ((ECPublicKey)pubKey).getW();
}
public ECParameterSpec getParams()
{
return ((ECPublicKey)pubKey).getParams();
}
});
try
{
s.initSign(new PrivateKey()
{
public String getAlgorithm()
{
return privKey.getAlgorithm();
}
public String getFormat()
{
return privKey.getFormat();
}
public byte[] getEncoded()
{
return null;
}
});
fail("no exception thrown!!!");
}
catch (InvalidKeyException e)
{
// ignore
}
try
{
s.initVerify(new PublicKey()
{
public String getAlgorithm()
{
return pubKey.getAlgorithm();
}
public String getFormat()
{
return pubKey.getFormat();
}
public byte[] getEncoded()
{
return null;
}
});
fail("no exception thrown!!!");
}
catch (InvalidKeyException e)
{
// ignore
}
// try bogus encoding
try
{
s.initSign(new PrivateKey()
{
public String getAlgorithm()
{
return privKey.getAlgorithm();
}
public String getFormat()
{
return privKey.getFormat();
}
public byte[] getEncoded()
{
return new byte[20];
}
});
fail("no exception thrown!!!");
}
catch (InvalidKeyException e)
{
// ignore
}
try
{
s.initVerify(new PublicKey()
{
public String getAlgorithm()
{
return pubKey.getAlgorithm();
}
public String getFormat()
{
return pubKey.getFormat();
}
public byte[] getEncoded()
{
return new byte[20];
}
});
fail("no exception thrown!!!");
}
catch (InvalidKeyException e)
{
// ignore
}
// try encoding of wrong key
kpGen = KeyPairGenerator.getInstance("RSA", "BC");
kpGen.initialize(512);
pair = kpGen.generateKeyPair();
final PrivateKey privRsa = pair.getPrivate();
final PublicKey pubRsa = pair.getPublic();
try
{
s.initSign(new PrivateKey()
{
public String getAlgorithm()
{
return privRsa.getAlgorithm();
}
public String getFormat()
{
return privRsa.getFormat();
}
public byte[] getEncoded()
{
return privRsa.getEncoded();
}
});
fail("no exception thrown!!!");