public void init(bool forSigning, CipherParameters param)
{
this.forSigning = forSigning;
AsymmetricKeyParameter k;
if (param is ParametersWithRandom)
{
k = (AsymmetricKeyParameter)((ParametersWithRandom)param).getParameters();
}
else
{
k = (AsymmetricKeyParameter)param;
}
if (forSigning && !k.isPrivate())
{
throw (new Exception("Signing Requires Private Key."));
}
if (!forSigning && k.isPrivate())
{
throw (new Exception("Verification Requires Public Key."));
}
reset();
dsaSigner.init(forSigning, param);
}
