public void Init(
bool forSigning,
ICipherParameters parameters)
{
if (forSigning)
{
if (parameters is ParametersWithRandom)
{
ParametersWithRandom rParam = (ParametersWithRandom)parameters;
this.random = rParam.Random;
parameters = rParam.Parameters;
}
else
{
this.random = new SecureRandom();
}
if (!(parameters is DsaPrivateKeyParameters))
throw new InvalidKeyException("DSA private key required for signing");
this.key = (DsaPrivateKeyParameters) parameters;
}
else
{
if (!(parameters is DsaPublicKeyParameters))
throw new InvalidKeyException("DSA public key required for verification");
this.key = (DsaPublicKeyParameters) parameters;
}
}
public override bool Equals(
object obj)
{
if (obj == this)
{
return(true);
}
DsaKeyParameters other = obj as DsaKeyParameters;
if (other == null)
{
return(false);
}
return(Equals(other));
}
protected bool Equals(
DsaKeyParameters other)
{
return(Platform.Equals(parameters, other.parameters) &&
base.Equals(other));
}
protected bool Equals(
DsaKeyParameters other)
{
return Platform.Equals(parameters, other.parameters)
&& base.Equals(other);
}