package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DEREnumerated;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERObjectIdentifier;
import org.bouncycastle.asn1.DERSequence;

ObjectDigestInfo ASN.1 structure used in v2 attribute certificates.
 
   ObjectDigestInfo ::= SEQUENCE {
        digestedObjectType  ENUMERATED {
                publicKey            (0),
                publicKeyCert        (1),
                otherObjectTypes     (2) },
                        -- otherObjectTypes MUST NOT
                        -- be used in this profile
        otherObjectTypeID   OBJECT IDENTIFIER OPTIONAL,
        digestAlgorithm     AlgorithmIdentifier,
        objectDigest        BIT STRING
   }
  
/** * ObjectDigestInfo ASN.1 structure used in v2 attribute certificates. * * <pre> * * ObjectDigestInfo ::= SEQUENCE { * digestedObjectType ENUMERATED { * publicKey (0), * publicKeyCert (1), * otherObjectTypes (2) }, * -- otherObjectTypes MUST NOT * -- be used in this profile * otherObjectTypeID OBJECT IDENTIFIER OPTIONAL, * digestAlgorithm AlgorithmIdentifier, * objectDigest BIT STRING * } * * </pre> * */
public class ObjectDigestInfo extends ASN1Encodable {
The public key is hashed.
/** * The public key is hashed. */
public final static int publicKey = 0;
The public key certificate is hashed.
/** * The public key certificate is hashed. */
public final static int publicKeyCert = 1;
An other object is hashed.
/** * An other object is hashed. */
public final static int otherObjectDigest = 2; DEREnumerated digestedObjectType; DERObjectIdentifier otherObjectTypeID; AlgorithmIdentifier digestAlgorithm; DERBitString objectDigest; public static ObjectDigestInfo getInstance( Object obj) { if (obj == null || obj instanceof ObjectDigestInfo) { return (ObjectDigestInfo)obj; } if (obj instanceof ASN1Sequence) { return new ObjectDigestInfo((ASN1Sequence)obj); } throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName()); } public static ObjectDigestInfo getInstance( ASN1TaggedObject obj, boolean explicit) { return getInstance(ASN1Sequence.getInstance(obj, explicit)); }
Constructor from given details.

If digestedObjectType is not publicKeyCert or publicKey otherObjectTypeID must be given, otherwise it is ignored.

Params:
  • digestedObjectType – The digest object type.
  • otherObjectTypeID – The object type ID for otherObjectDigest.
  • digestAlgorithm – The algorithm identifier for the hash.
  • objectDigest – The hash value.
/** * Constructor from given details. * <p> * If <code>digestedObjectType</code> is not {@link #publicKeyCert} or * {@link #publicKey} <code>otherObjectTypeID</code> must be given, * otherwise it is ignored. * * @param digestedObjectType The digest object type. * @param otherObjectTypeID The object type ID for * <code>otherObjectDigest</code>. * @param digestAlgorithm The algorithm identifier for the hash. * @param objectDigest The hash value. */
public ObjectDigestInfo( int digestedObjectType, String otherObjectTypeID, AlgorithmIdentifier digestAlgorithm, byte[] objectDigest) { this.digestedObjectType = new DEREnumerated(digestedObjectType); if (digestedObjectType == otherObjectDigest) { this.otherObjectTypeID = new DERObjectIdentifier(otherObjectTypeID); } this.digestAlgorithm = digestAlgorithm; this.objectDigest = new DERBitString(objectDigest); } private ObjectDigestInfo( ASN1Sequence seq) { if (seq.size() > 4 || seq.size() < 3) { throw new IllegalArgumentException("Bad sequence size: " + seq.size()); } digestedObjectType = DEREnumerated.getInstance(seq.getObjectAt(0)); int offset = 0; if (seq.size() == 4) { otherObjectTypeID = DERObjectIdentifier.getInstance(seq.getObjectAt(1)); offset++; } digestAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(1 + offset)); objectDigest = DERBitString.getInstance(seq.getObjectAt(2 + offset)); } public DEREnumerated getDigestedObjectType() { return digestedObjectType; } public DERObjectIdentifier getOtherObjectTypeID() { return otherObjectTypeID; } public AlgorithmIdentifier getDigestAlgorithm() { return digestAlgorithm; } public DERBitString getObjectDigest() { return objectDigest; }
Produce an object suitable for an ASN1OutputStream.
 
   ObjectDigestInfo ::= SEQUENCE {
        digestedObjectType  ENUMERATED {
                publicKey            (0),
                publicKeyCert        (1),
                otherObjectTypes     (2) },
                        -- otherObjectTypes MUST NOT
                        -- be used in this profile
        otherObjectTypeID   OBJECT IDENTIFIER OPTIONAL,
        digestAlgorithm     AlgorithmIdentifier,
        objectDigest        BIT STRING
   }
  
/** * Produce an object suitable for an ASN1OutputStream. * * <pre> * * ObjectDigestInfo ::= SEQUENCE { * digestedObjectType ENUMERATED { * publicKey (0), * publicKeyCert (1), * otherObjectTypes (2) }, * -- otherObjectTypes MUST NOT * -- be used in this profile * otherObjectTypeID OBJECT IDENTIFIER OPTIONAL, * digestAlgorithm AlgorithmIdentifier, * objectDigest BIT STRING * } * * </pre> */
public DERObject toASN1Object() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(digestedObjectType); if (otherObjectTypeID != null) { v.add(otherObjectTypeID); } v.add(digestAlgorithm); v.add(objectDigest); return new DERSequence(v); } }