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/ExtendedKeyUsage.java | |
parent | 5f714bd92fbd780d22406f4bc3681be005f6f04a (diff) |
initial reshuffle
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/x509/ExtendedKeyUsage.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/x509/ExtendedKeyUsage.java | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/x509/ExtendedKeyUsage.java b/core/src/main/java/org/bouncycastle/asn1/x509/ExtendedKeyUsage.java new file mode 100644 index 00000000..dcc1b1fa --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/x509/ExtendedKeyUsage.java @@ -0,0 +1,147 @@ +package org.bouncycastle.asn1.x509; + +import java.util.Enumeration; +import java.util.Hashtable; +import java.util.Vector; + +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.DERSequence; + +/** + * The extendedKeyUsage object. + * <pre> + * extendedKeyUsage ::= SEQUENCE SIZE (1..MAX) OF KeyPurposeId + * </pre> + */ +public class ExtendedKeyUsage + extends ASN1Object +{ + Hashtable usageTable = new Hashtable(); + ASN1Sequence seq; + + public static ExtendedKeyUsage getInstance( + ASN1TaggedObject obj, + boolean explicit) + { + return getInstance(ASN1Sequence.getInstance(obj, explicit)); + } + + public static ExtendedKeyUsage getInstance( + Object obj) + { + if (obj instanceof ExtendedKeyUsage) + { + return (ExtendedKeyUsage)obj; + } + else if (obj != null) + { + return new ExtendedKeyUsage(ASN1Sequence.getInstance(obj)); + } + + return null; + } + + public static ExtendedKeyUsage fromExtensions(Extensions extensions) + { + return ExtendedKeyUsage.getInstance(extensions.getExtensionParsedValue(Extension.extendedKeyUsage)); + } + + public ExtendedKeyUsage( + KeyPurposeId usage) + { + this.seq = new DERSequence(usage); + + this.usageTable.put(usage, usage); + } + + private ExtendedKeyUsage( + ASN1Sequence seq) + { + this.seq = seq; + + Enumeration e = seq.getObjects(); + + while (e.hasMoreElements()) + { + ASN1Encodable o = (ASN1Encodable)e.nextElement(); + if (!(o.toASN1Primitive() instanceof ASN1ObjectIdentifier)) + { + throw new IllegalArgumentException("Only ASN1ObjectIdentifiers allowed in ExtendedKeyUsage."); + } + this.usageTable.put(o, o); + } + } + + public ExtendedKeyUsage( + KeyPurposeId[] usages) + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + for (int i = 0; i != usages.length; i++) + { + v.add(usages[i]); + this.usageTable.put(usages[i], usages[i]); + } + + this.seq = new DERSequence(v); + } + + /** + * @deprecated use KeyPurposeId[] constructor. + */ + public ExtendedKeyUsage( + Vector usages) + { + ASN1EncodableVector v = new ASN1EncodableVector(); + Enumeration e = usages.elements(); + + while (e.hasMoreElements()) + { + ASN1Primitive o = (ASN1Primitive)e.nextElement(); + + v.add(o); + this.usageTable.put(o, o); + } + + this.seq = new DERSequence(v); + } + + public boolean hasKeyPurposeId( + KeyPurposeId keyPurposeId) + { + return (usageTable.get(keyPurposeId) != null); + } + + /** + * Returns all extended key usages. + * The returned vector contains DERObjectIdentifiers. + * @return An array with all key purposes. + */ + public KeyPurposeId[] getUsages() + { + KeyPurposeId[] temp = new KeyPurposeId[seq.size()]; + + int i = 0; + for (Enumeration it = seq.getObjects(); it.hasMoreElements();) + { + temp[i++] = KeyPurposeId.getInstance(it.nextElement()); + } + return temp; + } + + public int size() + { + return usageTable.size(); + } + + public ASN1Primitive toASN1Primitive() + { + return seq; + } +} |