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package org.spongycastle.asn1.cms;
import org.spongycastle.asn1.ASN1Encodable;
import org.spongycastle.asn1.ASN1EncodableVector;
import org.spongycastle.asn1.ASN1Object;
import org.spongycastle.asn1.ASN1ObjectIdentifier;
import org.spongycastle.asn1.ASN1Primitive;
import org.spongycastle.asn1.ASN1Sequence;
import org.spongycastle.asn1.DERSequence;
/**
* <a href="http://tools.ietf.org/html/rfc5652#section-10.2.7">RFC 5652</a>: OtherKeyAttribute object.
* <p>
* <pre>
* OtherKeyAttribute ::= SEQUENCE {
* keyAttrId OBJECT IDENTIFIER,
* keyAttr ANY DEFINED BY keyAttrId OPTIONAL
* }
* </pre>
*/
public class OtherKeyAttribute
extends ASN1Object
{
private ASN1ObjectIdentifier keyAttrId;
private ASN1Encodable keyAttr;
/**
* Return an OtherKeyAttribute object from the given object.
* <p>
* Accepted inputs:
* <ul>
* <li> null → null
* <li> {@link OtherKeyAttribute} object
* <li> {@link org.spongycastle.asn1.ASN1Sequence#getInstance(java.lang.Object) ASN1Sequence} input formats with OtherKeyAttribute structure inside
* </ul>
*
* @param o the object we want converted.
* @exception IllegalArgumentException if the object cannot be converted.
*/
public static OtherKeyAttribute getInstance(
Object o)
{
if (o instanceof OtherKeyAttribute)
{
return (OtherKeyAttribute)o;
}
if (o != null)
{
return new OtherKeyAttribute(ASN1Sequence.getInstance(o));
}
return null;
}
/**
* @deprecated use getInstance()
*/
public OtherKeyAttribute(
ASN1Sequence seq)
{
keyAttrId = (ASN1ObjectIdentifier)seq.getObjectAt(0);
keyAttr = seq.getObjectAt(1);
}
public OtherKeyAttribute(
ASN1ObjectIdentifier keyAttrId,
ASN1Encodable keyAttr)
{
this.keyAttrId = keyAttrId;
this.keyAttr = keyAttr;
}
public ASN1ObjectIdentifier getKeyAttrId()
{
return keyAttrId;
}
public ASN1Encodable getKeyAttr()
{
return keyAttr;
}
/**
* Produce an object suitable for an ASN1OutputStream.
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(keyAttrId);
v.add(keyAttr);
return new DERSequence(v);
}
}
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