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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8 with debug enabled.
package org.bouncycastle.asn1.pkcs;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1Set;
import org.bouncycastle.asn1.DERSequence;
public class Attribute
extends ASN1Object
{
private ASN1ObjectIdentifier attrType;
private ASN1Set attrValues;
/**
* return an Attribute object from the given object.
*
* @param o the object we want converted.
* @exception IllegalArgumentException if the object cannot be converted.
*/
public static Attribute getInstance(
Object o)
{
if (o == null || o instanceof Attribute)
{
return (Attribute)o;
}
if (o instanceof ASN1Sequence)
{
return new Attribute((ASN1Sequence)o);
}
throw new IllegalArgumentException("unknown object in factory: " + o.getClass().getName());
}
public Attribute(
ASN1Sequence seq)
{
attrType = (ASN1ObjectIdentifier)seq.getObjectAt(0);
attrValues = (ASN1Set)seq.getObjectAt(1);
}
public Attribute(
ASN1ObjectIdentifier attrType,
ASN1Set attrValues)
{
this.attrType = attrType;
this.attrValues = attrValues;
}
public ASN1ObjectIdentifier getAttrType()
{
return attrType;
}
public ASN1Set getAttrValues()
{
return attrValues;
}
public ASN1Encodable[] getAttributeValues()
{
return attrValues.toArray();
}
/**
* Produce an object suitable for an ASN1OutputStream.
*
* Attribute ::= SEQUENCE {
* attrType OBJECT IDENTIFIER,
* attrValues SET OF AttributeValue
* }
*
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(attrType);
v.add(attrValues);
return new DERSequence(v);
}
}
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