All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.bouncycastle.asn1.pkcs.PBMAC1Params Maven / Gradle / Ivy

Go to download

The Long Term Stable (LTS) Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains the JCA/JCE provider and low-level API for the BC LTS version 2.73.7 for Java 8 and later.

There is a newer version: 2.73.7
Show newest version
package org.bouncycastle.asn1.pkcs;

import java.util.Enumeration;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;


/**
 * From https://datatracker.ietf.org/doc/html/rfc8018
 *
 * 
 * PBMAC1-params ::= SEQUENCE {
 *     keyDerivationFunc AlgorithmIdentifier {{PBMAC1-KDFs}},
 *     messageAuthScheme AlgorithmIdentifier {{PBMAC1-MACs}} }
 * 
*/ public class PBMAC1Params extends ASN1Object implements PKCSObjectIdentifiers { private AlgorithmIdentifier func; private AlgorithmIdentifier scheme; public static PBMAC1Params getInstance( Object obj) { if (obj instanceof PBMAC1Params) { return (PBMAC1Params)obj; } if (obj != null) { return new PBMAC1Params(ASN1Sequence.getInstance(obj)); } return null; } public PBMAC1Params(AlgorithmIdentifier keyDevFunc, AlgorithmIdentifier encScheme) { this.func = keyDevFunc; this.scheme = encScheme; } private PBMAC1Params( ASN1Sequence obj) { Enumeration e = obj.getObjects(); ASN1Sequence funcSeq = ASN1Sequence.getInstance(((ASN1Encodable)e.nextElement()).toASN1Primitive()); if (funcSeq.getObjectAt(0).equals(id_PBKDF2)) { func = new AlgorithmIdentifier(id_PBKDF2, PBKDF2Params.getInstance(funcSeq.getObjectAt(1))); } else { func = AlgorithmIdentifier.getInstance(funcSeq); } scheme = AlgorithmIdentifier.getInstance(e.nextElement()); } public AlgorithmIdentifier getKeyDerivationFunc() { return func; } public AlgorithmIdentifier getMessageAuthScheme() { return scheme; } public ASN1Primitive toASN1Primitive() { ASN1EncodableVector v = new ASN1EncodableVector(2); v.add(func); v.add(scheme); return new DERSequence(v); } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy