diff options
author | David Hook <dgh@cryptoworkshop.com> | 2013-05-31 11:07:45 +0400 |
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committer | David Hook <dgh@cryptoworkshop.com> | 2013-05-31 11:07:45 +0400 |
commit | 2b976f5364cfdbc37d3086019d93483c983eb80b (patch) | |
tree | cb846af3fd1d43f9c2562a1fb2d06b997ad8f229 /core/src/main/java/org/bouncycastle/asn1/x509/AlgorithmIdentifier.java | |
parent | 5f714bd92fbd780d22406f4bc3681be005f6f04a (diff) |
initial reshuffle
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/x509/AlgorithmIdentifier.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/x509/AlgorithmIdentifier.java | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/x509/AlgorithmIdentifier.java b/core/src/main/java/org/bouncycastle/asn1/x509/AlgorithmIdentifier.java new file mode 100644 index 00000000..d250bf1e --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/x509/AlgorithmIdentifier.java @@ -0,0 +1,173 @@ +package org.bouncycastle.asn1.x509; + +import org.bouncycastle.asn1.ASN1Encodable; +import org.bouncycastle.asn1.ASN1EncodableVector; +import org.bouncycastle.asn1.ASN1Object; +import org.bouncycastle.asn1.ASN1ObjectIdentifier; +import org.bouncycastle.asn1.ASN1Primitive; +import org.bouncycastle.asn1.ASN1Sequence; +import org.bouncycastle.asn1.ASN1TaggedObject; +import org.bouncycastle.asn1.DERNull; +import org.bouncycastle.asn1.DERObjectIdentifier; +import org.bouncycastle.asn1.DERSequence; + +public class AlgorithmIdentifier + extends ASN1Object +{ + private ASN1ObjectIdentifier objectId; + private ASN1Encodable parameters; + private boolean parametersDefined = false; + + public static AlgorithmIdentifier getInstance( + ASN1TaggedObject obj, + boolean explicit) + { + return getInstance(ASN1Sequence.getInstance(obj, explicit)); + } + + public static AlgorithmIdentifier getInstance( + Object obj) + { + if (obj== null || obj instanceof AlgorithmIdentifier) + { + return (AlgorithmIdentifier)obj; + } + + // TODO: delete + if (obj instanceof ASN1ObjectIdentifier) + { + return new AlgorithmIdentifier((ASN1ObjectIdentifier)obj); + } + + // TODO: delete + if (obj instanceof String) + { + return new AlgorithmIdentifier((String)obj); + } + + return new AlgorithmIdentifier(ASN1Sequence.getInstance(obj)); + } + + public AlgorithmIdentifier( + ASN1ObjectIdentifier objectId) + { + this.objectId = objectId; + } + + /** + * @deprecated use ASN1ObjectIdentifier + * @param objectId + */ + public AlgorithmIdentifier( + String objectId) + { + this.objectId = new ASN1ObjectIdentifier(objectId); + } + + /** + * @deprecated use ASN1ObjectIdentifier + * @param objectId + */ + public AlgorithmIdentifier( + DERObjectIdentifier objectId) + { + this.objectId = new ASN1ObjectIdentifier(objectId.getId()); + } + + /** + * @deprecated use ASN1ObjectIdentifier + * @param objectId + * @param parameters + */ + public AlgorithmIdentifier( + DERObjectIdentifier objectId, + ASN1Encodable parameters) + { + parametersDefined = true; + this.objectId = new ASN1ObjectIdentifier(objectId.getId()); + this.parameters = parameters; + } + + public AlgorithmIdentifier( + ASN1ObjectIdentifier objectId, + ASN1Encodable parameters) + { + parametersDefined = true; + this.objectId = objectId; + this.parameters = parameters; + } + + /** + * @deprecated use AlgorithmIdentifier.getInstance() + * @param seq + */ + public AlgorithmIdentifier( + ASN1Sequence seq) + { + if (seq.size() < 1 || seq.size() > 2) + { + throw new IllegalArgumentException("Bad sequence size: " + + seq.size()); + } + + objectId = ASN1ObjectIdentifier.getInstance(seq.getObjectAt(0)); + + if (seq.size() == 2) + { + parametersDefined = true; + parameters = seq.getObjectAt(1); + } + else + { + parameters = null; + } + } + + public ASN1ObjectIdentifier getAlgorithm() + { + return new ASN1ObjectIdentifier(objectId.getId()); + } + + /** + * @deprecated use getAlgorithm + * @return + */ + public ASN1ObjectIdentifier getObjectId() + { + return objectId; + } + + public ASN1Encodable getParameters() + { + return parameters; + } + + /** + * Produce an object suitable for an ASN1OutputStream. + * <pre> + * AlgorithmIdentifier ::= SEQUENCE { + * algorithm OBJECT IDENTIFIER, + * parameters ANY DEFINED BY algorithm OPTIONAL } + * </pre> + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + v.add(objectId); + + if (parametersDefined) + { + if (parameters != null) + { + v.add(parameters); + } + else + { + v.add(DERNull.INSTANCE); + } + } + + return new DERSequence(v); + } +} |