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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.

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package org.bouncycastle.asn1.cms;

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;

/**
 * RFC 5990 GenericHybridParameters class.
 * 
 * GenericHybridParameters ::= SEQUENCE {
 *    kem  KeyEncapsulationMechanism,
 *    dem  DataEncapsulationMechanism
 * }
 *
 * KeyEncapsulationMechanism ::= AlgorithmIdentifier {{KEMAlgorithms}}
 * DataEncapsulationMechanism ::= AlgorithmIdentifier {{DEMAlgorithms}}
 * 
*/ public class GenericHybridParameters extends ASN1Object { private final AlgorithmIdentifier kem; private final AlgorithmIdentifier dem; private GenericHybridParameters(ASN1Sequence sequence) { if (sequence.size() != 2) { throw new IllegalArgumentException("ASN.1 SEQUENCE should be of length 2"); } this.kem = AlgorithmIdentifier.getInstance(sequence.getObjectAt(0)); this.dem = AlgorithmIdentifier.getInstance(sequence.getObjectAt(1)); } public static GenericHybridParameters getInstance( Object o) { if (o instanceof GenericHybridParameters) { return (GenericHybridParameters)o; } else if (o != null) { return new GenericHybridParameters(ASN1Sequence.getInstance(o)); } return null; } public GenericHybridParameters(AlgorithmIdentifier kem, AlgorithmIdentifier dem) { this.kem = kem; this.dem = dem; } public AlgorithmIdentifier getDem() { return dem; } public AlgorithmIdentifier getKem() { return kem; } public ASN1Primitive toASN1Primitive() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(kem); v.add(dem); return new DERSequence(v); } }




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