| package org.bouncycastle.asn1.cryptopro; |
| |
| import org.bouncycastle.asn1.ASN1EncodableVector; |
| import org.bouncycastle.asn1.ASN1Object; |
| import org.bouncycastle.asn1.ASN1Primitive; |
| import org.bouncycastle.asn1.ASN1Sequence; |
| import org.bouncycastle.asn1.ASN1TaggedObject; |
| import org.bouncycastle.asn1.DERSequence; |
| import org.bouncycastle.asn1.DERTaggedObject; |
| |
| /** |
| * <pre> |
| * GostR3410-KeyTransport ::= SEQUENCE { |
| * sessionEncryptedKey Gost28147-89-EncryptedKey, |
| * transportParameters |
| * [0] IMPLICIT GostR3410-TransportParameters OPTIONAL |
| * } |
| * </pre> |
| */ |
| public class GostR3410KeyTransport |
| extends ASN1Object |
| { |
| private final Gost2814789EncryptedKey sessionEncryptedKey; |
| private final GostR3410TransportParameters transportParameters; |
| |
| private GostR3410KeyTransport(ASN1Sequence seq) |
| { |
| this.sessionEncryptedKey = Gost2814789EncryptedKey.getInstance(seq.getObjectAt(0)); |
| this.transportParameters = GostR3410TransportParameters.getInstance(ASN1TaggedObject.getInstance(seq.getObjectAt(1)), false); |
| } |
| |
| public GostR3410KeyTransport(Gost2814789EncryptedKey sessionEncryptedKey, GostR3410TransportParameters transportParameters) |
| { |
| this.sessionEncryptedKey = sessionEncryptedKey; |
| this.transportParameters = transportParameters; |
| } |
| |
| public static GostR3410KeyTransport getInstance( |
| Object obj) |
| { |
| if (obj instanceof GostR3410KeyTransport) |
| { |
| return (GostR3410KeyTransport)obj; |
| } |
| |
| if (obj != null) |
| { |
| return new GostR3410KeyTransport(ASN1Sequence.getInstance(obj)); |
| } |
| |
| return null; |
| } |
| |
| public Gost2814789EncryptedKey getSessionEncryptedKey() |
| { |
| return sessionEncryptedKey; |
| } |
| |
| public GostR3410TransportParameters getTransportParameters() |
| { |
| return transportParameters; |
| } |
| |
| public ASN1Primitive toASN1Primitive() |
| { |
| ASN1EncodableVector v = new ASN1EncodableVector(); |
| |
| v.add(sessionEncryptedKey); |
| if (transportParameters != null) |
| { |
| v.add(new DERTaggedObject(false, 0, transportParameters)); |
| } |
| |
| return new DERSequence(v); |
| } |
| } |