Bouncy Castle Cryptography Library 1.45

## org.bouncycastle.asn1.x509
Class ExtendedKeyUsage

    java.lang.Object
      org.bouncycastle.asn1.ASN1Encodable
          org.bouncycastle.asn1.x509.ExtendedKeyUsage

All Implemented Interfaces:
  DEREncodable

    public class ExtendedKeyUsage

extends ASN1Encodable

The extendedKeyUsage object.

          extendedKeyUsage ::= SEQUENCE SIZE (1..MAX) OF KeyPurposeId

Field Summary

Fields inherited from class org.bouncycastle.asn1.ASN1Encodable
`BER, DER`

Constructor Summary
`ExtendedKeyUsage(ASN1Sequence seq)`
`ExtendedKeyUsage(KeyPurposeId usage)`
`ExtendedKeyUsage(java.util.Vector usages)`

Method Summary
`static ExtendedKeyUsage` `getInstance(ASN1TaggedObject obj, boolean explicit)`
`static ExtendedKeyUsage` `getInstance(java.lang.Object obj)`
`java.util.Vector` `getUsages()` Returns all extended key usages.
`boolean` `hasKeyPurposeId(KeyPurposeId keyPurposeId)`
`int` `size()`
`DERObject` `toASN1Object()`

Methods inherited from class org.bouncycastle.asn1.ASN1Encodable
`equals, getDEREncoded, getDERObject, getEncoded, getEncoded, hashCode`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ExtendedKeyUsage

    public ExtendedKeyUsage(KeyPurposeId usage)

### ExtendedKeyUsage

    public ExtendedKeyUsage(ASN1Sequence seq)

### ExtendedKeyUsage

    public ExtendedKeyUsage(java.util.Vector usages)

Method Detail

### getInstance

    public static ExtendedKeyUsage getInstance(ASN1TaggedObject obj,
                                               boolean explicit)

### getInstance

    public static ExtendedKeyUsage getInstance(java.lang.Object obj)

### hasKeyPurposeId

    public boolean hasKeyPurposeId(KeyPurposeId keyPurposeId)

### getUsages

    public java.util.Vector getUsages()

  Returns all extended key usages. The returned vector contains DERObjectIdentifiers.

  Returns:
    A vector with all key purposes.

### size

    public int size()

### toASN1Object

    public DERObject toASN1Object()

  Specified by:
    `toASN1Object` in class `ASN1Encodable`

Bouncy Castle Cryptography Library 1.45