diff options
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/cms/ecc/MQVuserKeyingMaterial.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/cms/ecc/MQVuserKeyingMaterial.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/cms/ecc/MQVuserKeyingMaterial.java b/core/src/main/java/org/bouncycastle/asn1/cms/ecc/MQVuserKeyingMaterial.java new file mode 100644 index 00000000..7beb6a4a --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/cms/ecc/MQVuserKeyingMaterial.java @@ -0,0 +1,112 @@ +package org.bouncycastle.asn1.cms.ecc; + +import org.bouncycastle.asn1.ASN1EncodableVector; +import org.bouncycastle.asn1.ASN1Object; +import org.bouncycastle.asn1.ASN1OctetString; +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; +import org.bouncycastle.asn1.cms.OriginatorPublicKey; + +public class MQVuserKeyingMaterial + extends ASN1Object +{ + private OriginatorPublicKey ephemeralPublicKey; + private ASN1OctetString addedukm; + + public MQVuserKeyingMaterial( + OriginatorPublicKey ephemeralPublicKey, + ASN1OctetString addedukm) + { + // TODO Check ephemeralPublicKey not null + + this.ephemeralPublicKey = ephemeralPublicKey; + this.addedukm = addedukm; + } + + private MQVuserKeyingMaterial( + ASN1Sequence seq) + { + // TODO Check seq has either 1 or 2 elements + + this.ephemeralPublicKey = OriginatorPublicKey.getInstance( + seq.getObjectAt(0)); + + if (seq.size() > 1) + { + this.addedukm = ASN1OctetString.getInstance( + (ASN1TaggedObject)seq.getObjectAt(1), true); + } + } + + /** + * return an MQVuserKeyingMaterial object from a tagged object. + * + * @param obj the tagged object holding the object we want. + * @param explicit true if the object is meant to be explicitly + * tagged false otherwise. + * @throws IllegalArgumentException if the object held by the + * tagged object cannot be converted. + */ + public static MQVuserKeyingMaterial getInstance( + ASN1TaggedObject obj, + boolean explicit) + { + return getInstance(ASN1Sequence.getInstance(obj, explicit)); + } + + /** + * return an MQVuserKeyingMaterial object from the given object. + * + * @param obj the object we want converted. + * @throws IllegalArgumentException if the object cannot be converted. + */ + public static MQVuserKeyingMaterial getInstance( + Object obj) + { + if (obj == null || obj instanceof MQVuserKeyingMaterial) + { + return (MQVuserKeyingMaterial)obj; + } + + if (obj instanceof ASN1Sequence) + { + return new MQVuserKeyingMaterial((ASN1Sequence)obj); + } + + throw new IllegalArgumentException("Invalid MQVuserKeyingMaterial: " + obj.getClass().getName()); + } + + public OriginatorPublicKey getEphemeralPublicKey() + { + return ephemeralPublicKey; + } + + public ASN1OctetString getAddedukm() + { + return addedukm; + } + + /** + * Produce an object suitable for an ASN1OutputStream. + * <pre> + * MQVuserKeyingMaterial ::= SEQUENCE { + * ephemeralPublicKey OriginatorPublicKey, + * addedukm [0] EXPLICIT UserKeyingMaterial OPTIONAL } + * </pre> + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + v.add(ephemeralPublicKey); + + if (addedukm != null) + { + v.add(new DERTaggedObject(true, 0, addedukm)); + } + + return new DERSequence(v); + } +} |