3rdPartyLibraries/iTechSharp/srcbc/asn1/cms/OriginatorIdentifierOrKey.cs
2023-06-21 12:46:23 -04:00

116 lines
3.0 KiB
C#

using System;
using Org.BouncyCastle.Asn1;
namespace Org.BouncyCastle.Asn1.Cms
{
public class OriginatorIdentifierOrKey
: Asn1Encodable
{
private Asn1Encodable id;
public OriginatorIdentifierOrKey(
IssuerAndSerialNumber id)
{
this.id = id;
}
public OriginatorIdentifierOrKey(
Asn1OctetString id)
{
this.id = new DerTaggedObject(false, 0, id);
}
public OriginatorIdentifierOrKey(
OriginatorPublicKey id)
{
this.id = new DerTaggedObject(false, 1, id);
}
public OriginatorIdentifierOrKey(
Asn1Object id)
{
this.id = id;
}
/**
* return an OriginatorIdentifierOrKey object from a tagged object.
*
* @param o the tagged object holding the object we want.
* @param explicitly true if the object is meant to be explicitly
* tagged false otherwise.
* @exception ArgumentException if the object held by the
* tagged object cannot be converted.
*/
public static OriginatorIdentifierOrKey GetInstance(
Asn1TaggedObject o,
bool explicitly)
{
if (!explicitly)
{
throw new ArgumentException(
"Can't implicitly tag OriginatorIdentifierOrKey");
}
return GetInstance(o.GetObject());
}
/**
* return an OriginatorIdentifierOrKey object from the given object.
*
* @param o the object we want converted.
* @exception ArgumentException if the object cannot be converted.
*/
public static OriginatorIdentifierOrKey GetInstance(
object o)
{
if (o == null || o is OriginatorIdentifierOrKey)
{
return (OriginatorIdentifierOrKey)o;
}
if (o is Asn1Object)
{
return new OriginatorIdentifierOrKey((Asn1Object)o);
}
throw new ArgumentException("Invalid OriginatorIdentifierOrKey: " + o.GetType().Name);
}
public Asn1Encodable ID
{
get { return id; }
}
public OriginatorPublicKey OriginatorKey
{
get
{
if (id is Asn1TaggedObject && ((Asn1TaggedObject)id).TagNo == 1)
{
return OriginatorPublicKey.GetInstance((Asn1TaggedObject)id, false);
}
return null;
}
}
/**
* Produce an object suitable for an Asn1OutputStream.
* <pre>
* OriginatorIdentifierOrKey ::= CHOICE {
* issuerAndSerialNumber IssuerAndSerialNumber,
* subjectKeyIdentifier [0] SubjectKeyIdentifier,
* originatorKey [1] OriginatorPublicKey
* }
*
* SubjectKeyIdentifier ::= OCTET STRING
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
return id.ToAsn1Object();
}
}
}