using System;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.CryptoPro;
using Org.BouncyCastle.Math;
namespace Org.BouncyCastle.Crypto.Parameters{
public abstract class Gost3410KeyParameters
: AsymmetricKeyParameter
{
private readonly Gost3410Parameters parameters;
private readonly DerObjectIdentifier publicKeyParamSet;
protected Gost3410KeyParameters(
bool isPrivate,
Gost3410Parameters parameters)
: base(isPrivate)
{
this.parameters = parameters;
}
protected Gost3410KeyParameters(
bool isPrivate,
DerObjectIdentifier publicKeyParamSet)
: base(isPrivate)
{
this.parameters = LookupParameters(publicKeyParamSet);
this.publicKeyParamSet = publicKeyParamSet;
}
public Gost3410Parameters Parameters
{
get { return parameters; }
}
public DerObjectIdentifier PublicKeyParamSet
{
get { return publicKeyParamSet; }
}
// TODO Implement Equals/GetHashCode
private static Gost3410Parameters LookupParameters(
DerObjectIdentifier publicKeyParamSet)
{
if (publicKeyParamSet == null)
throw new ArgumentNullException("publicKeyParamSet");
Gost3410ParamSetParameters p = Gost3410NamedParameters.GetByOid(publicKeyParamSet);
if (p == null)
throw new ArgumentException("OID is not a valid CryptoPro public key parameter set", "publicKeyParamSet");
return new Gost3410Parameters(p.P, p.Q, p.A);
}
}
}
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