Signature
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Utilities;
using System;
namespace Org.BouncyCastle.Asn1.Ocsp
{
public class Signature : Asn1Encodable
{
internal AlgorithmIdentifier signatureAlgorithm;
internal DerBitString signatureValue;
internal Asn1Sequence certs;
public AlgorithmIdentifier SignatureAlgorithm => signatureAlgorithm;
public DerBitString SignatureValue => signatureValue;
public Asn1Sequence Certs => certs;
public static Signature GetInstance(Asn1TaggedObject obj, bool explicitly)
{
return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
}
public static Signature GetInstance(object obj)
{
if (obj == null || obj is Signature)
return (Signature)obj;
if (obj is Asn1Sequence)
return new Signature((Asn1Sequence)obj);
throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
}
public Signature(AlgorithmIdentifier signatureAlgorithm, DerBitString signatureValue)
: this(signatureAlgorithm, signatureValue, null)
{
}
public Signature(AlgorithmIdentifier signatureAlgorithm, DerBitString signatureValue, Asn1Sequence certs)
{
if (signatureAlgorithm == null)
throw new ArgumentException("signatureAlgorithm");
if (signatureValue == null)
throw new ArgumentException("signatureValue");
this.signatureAlgorithm = signatureAlgorithm;
this.signatureValue = signatureValue;
this.certs = certs;
}
private Signature(Asn1Sequence seq)
{
signatureAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]);
signatureValue = (DerBitString)seq[1];
if (seq.Count == 3)
certs = Asn1Sequence.GetInstance((Asn1TaggedObject)seq[2], true);
}
public byte[] GetSignatureOctets()
{
return signatureValue.GetOctets();
}
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(signatureAlgorithm, signatureValue);
asn1EncodableVector.AddOptionalTagged(true, 0, certs);
return new DerSequence(asn1EncodableVector);
}
}
}