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package org.spongycastle.asn1.cmp;
import org.spongycastle.asn1.ASN1Encodable;
import org.spongycastle.asn1.ASN1EncodableVector;
import org.spongycastle.asn1.ASN1Object;
import org.spongycastle.asn1.ASN1Primitive;
import org.spongycastle.asn1.ASN1Sequence;
import org.spongycastle.asn1.ASN1TaggedObject;
import org.spongycastle.asn1.DERBitString;
import org.spongycastle.asn1.DERSequence;
import org.spongycastle.asn1.DERTaggedObject;
import org.spongycastle.asn1.crmf.CertId;
import org.spongycastle.asn1.x509.AlgorithmIdentifier;
public class OOBCertHash
extends ASN1Object
{
private AlgorithmIdentifier hashAlg;
private CertId certId;
private DERBitString hashVal;
private OOBCertHash(ASN1Sequence seq)
{
int index = seq.size() - 1;
hashVal = DERBitString.getInstance(seq.getObjectAt(index--));
for (int i = index; i >= 0; i--)
{
ASN1TaggedObject tObj = (ASN1TaggedObject)seq.getObjectAt(i);
if (tObj.getTagNo() == 0)
{
hashAlg = AlgorithmIdentifier.getInstance(tObj, true);
}
else
{
certId = CertId.getInstance(tObj, true);
}
}
}
public static OOBCertHash getInstance(Object o)
{
if (o instanceof OOBCertHash)
{
return (OOBCertHash)o;
}
if (o != null)
{
return new OOBCertHash(ASN1Sequence.getInstance(o));
}
return null;
}
public OOBCertHash(AlgorithmIdentifier hashAlg, CertId certId, byte[] hashVal)
{
this(hashAlg, certId, new DERBitString(hashVal));
}
public OOBCertHash(AlgorithmIdentifier hashAlg, CertId certId, DERBitString hashVal)
{
this.hashAlg = hashAlg;
this.certId = certId;
this.hashVal = hashVal;
}
public AlgorithmIdentifier getHashAlg()
{
return hashAlg;
}
public CertId getCertId()
{
return certId;
}
public DERBitString getHashVal()
{
return hashVal;
}
/**
* <pre>
* OOBCertHash ::= SEQUENCE {
* hashAlg [0] AlgorithmIdentifier OPTIONAL,
* certId [1] CertId OPTIONAL,
* hashVal BIT STRING
* -- hashVal is calculated over the DER encoding of the
* -- self-signed certificate with the identifier certID.
* }
* </pre>
* @return a basic ASN.1 object representation.
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
addOptional(v, 0, hashAlg);
addOptional(v, 1, certId);
v.add(hashVal);
return new DERSequence(v);
}
private void addOptional(ASN1EncodableVector v, int tagNo, ASN1Encodable obj)
{
if (obj != null)
{
v.add(new DERTaggedObject(true, tagNo, obj));
}
}
}
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