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using System;
using Org.BouncyCastle.Asn1;
namespace Org.BouncyCastle.Asn1.CryptoPro
{
public class Gost3410PublicKeyAlgParameters
: Asn1Encodable
{
private DerObjectIdentifier publicKeyParamSet;
private DerObjectIdentifier digestParamSet;
private DerObjectIdentifier encryptionParamSet;
public static Gost3410PublicKeyAlgParameters GetInstance(
Asn1TaggedObject obj,
bool explicitly)
{
return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
}
public static Gost3410PublicKeyAlgParameters GetInstance(
object obj)
{
if (obj == null || obj is Gost3410PublicKeyAlgParameters)
{
return (Gost3410PublicKeyAlgParameters) obj;
}
if (obj is Asn1Sequence)
{
return new Gost3410PublicKeyAlgParameters((Asn1Sequence) obj);
}
throw new ArgumentException("Invalid GOST3410Parameter: " + obj.GetType().Name);
}
public Gost3410PublicKeyAlgParameters(
DerObjectIdentifier publicKeyParamSet,
DerObjectIdentifier digestParamSet)
: this (publicKeyParamSet, digestParamSet, null)
{
}
public Gost3410PublicKeyAlgParameters(
DerObjectIdentifier publicKeyParamSet,
DerObjectIdentifier digestParamSet,
DerObjectIdentifier encryptionParamSet)
{
if (publicKeyParamSet == null)
throw new ArgumentNullException("publicKeyParamSet");
if (digestParamSet == null)
throw new ArgumentNullException("digestParamSet");
this.publicKeyParamSet = publicKeyParamSet;
this.digestParamSet = digestParamSet;
this.encryptionParamSet = encryptionParamSet;
}
public Gost3410PublicKeyAlgParameters(
Asn1Sequence seq)
{
this.publicKeyParamSet = (DerObjectIdentifier) seq[0];
this.digestParamSet = (DerObjectIdentifier) seq[1];
if (seq.Count > 2)
{
this.encryptionParamSet = (DerObjectIdentifier) seq[2];
}
}
public DerObjectIdentifier PublicKeyParamSet
{
get { return publicKeyParamSet; }
}
public DerObjectIdentifier DigestParamSet
{
get { return digestParamSet; }
}
public DerObjectIdentifier EncryptionParamSet
{
get { return encryptionParamSet; }
}
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(
publicKeyParamSet, digestParamSet);
if (encryptionParamSet != null)
{
v.Add(encryptionParamSet);
}
return new DerSequence(v);
}
}
}
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