package com.google.bitcoin.bouncycastle.asn1.crmf;
import com.google.bitcoin.bouncycastle.asn1.ASN1Encodable;
import com.google.bitcoin.bouncycastle.asn1.ASN1EncodableVector;
import com.google.bitcoin.bouncycastle.asn1.ASN1Sequence;
import com.google.bitcoin.bouncycastle.asn1.ASN1TaggedObject;
import com.google.bitcoin.bouncycastle.asn1.DERObject;
import com.google.bitcoin.bouncycastle.asn1.DERSequence;
import java.util.Enumeration;
public class CertReqMsg
extends ASN1Encodable
{
private CertRequest certReq;
private ProofOfPossession pop;
private ASN1Sequence regInfo;
private CertReqMsg(ASN1Sequence seq)
{
Enumeration en = seq.getObjects();
certReq = CertRequest.getInstance(en.nextElement());
while (en.hasMoreElements())
{
Object o = en.nextElement();
if (o instanceof ASN1TaggedObject)
{
pop = ProofOfPossession.getInstance(o);
}
else
{
regInfo = ASN1Sequence.getInstance(o);
}
}
}
public static CertReqMsg getInstance(Object o)
{
if (o instanceof CertReqMsg)
{
return (CertReqMsg)o;
}
if (o instanceof ASN1Sequence)
{
return new CertReqMsg((ASN1Sequence)o);
}
throw new IllegalArgumentException("Invalid object: " + o.getClass().getName());
}
public CertRequest getCertReq()
{
return certReq;
}
public ProofOfPossession getPop()
{
return pop;
}
public AttributeTypeAndValue[] getRegInfo()
{
if (regInfo == null)
{
return null;
}
AttributeTypeAndValue[] results = new AttributeTypeAndValue[regInfo.size()];
for (int i = 0; i != results.length; i++)
{
results[i] = AttributeTypeAndValue.getInstance(regInfo.getObjectAt(i));
}
return results;
}
/**
* <pre>
* CertReqMsg ::= SEQUENCE {
* certReq CertRequest,
* pop ProofOfPossession OPTIONAL,
* -- content depends upon key type
* regInfo SEQUENCE SIZE(1..MAX) OF AttributeTypeAndValue OPTIONAL }
* </pre>
* @return a basic ASN.1 object representation.
*/
public DERObject toASN1Object()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(certReq);
addOptional(v, pop);
addOptional(v, regInfo);
return new DERSequence(v);
}
private void addOptional(ASN1EncodableVector v, ASN1Encodable obj)
{
if (obj != null)
{
v.add(obj);
}
}
}