org.gudy.bouncycastle.asn1.x509
Class KeyUsage

java.lang.Object
  org.gudy.bouncycastle.asn1.ASN1Encodable
      org.gudy.bouncycastle.asn1.DERObject
          org.gudy.bouncycastle.asn1.ASN1Object
              org.gudy.bouncycastle.asn1.DERBitString
                  org.gudy.bouncycastle.asn1.x509.KeyUsage

All Implemented Interfaces:

DEREncodable, DERString, DERTags

public class KeyUsage
extends DERBitString

The KeyUsage object.

    id-ce-keyUsage OBJECT IDENTIFIER ::=  { id-ce 15 }

    KeyUsage ::= BIT STRING {
         digitalSignature        (0),
         nonRepudiation          (1),
         keyEncipherment         (2),
         dataEncipherment        (3),
         keyAgreement            (4),
         keyCertSign             (5),
         cRLSign                 (6),
         encipherOnly            (7),
         decipherOnly            (8) }
 

Field Summary

static int	cRLSign
static int	dataEncipherment
static int	decipherOnly
static int	digitalSignature
static int	encipherOnly
static int	keyAgreement
static int	keyCertSign
static int	keyEncipherment
static int	nonRepudiation

Fields inherited from class org.gudy.bouncycastle.asn1.DERBitString

data, padBits

Fields inherited from class org.gudy.bouncycastle.asn1.ASN1Encodable

BER, DER

Fields inherited from interface org.gudy.bouncycastle.asn1.DERTags

APPLICATION, BIT_STRING, BMP_STRING, BOOLEAN, CONSTRUCTED, ENUMERATED, EXTERNAL, GENERAL_STRING, GENERALIZED_TIME, GRAPHIC_STRING, IA5_STRING, INTEGER, NULL, NUMERIC_STRING, OBJECT_IDENTIFIER, OCTET_STRING, PRINTABLE_STRING, SEQUENCE, SEQUENCE_OF, SET, SET_OF, T61_STRING, TAGGED, UNIVERSAL_STRING, UTC_TIME, UTF8_STRING, VIDEOTEX_STRING, VISIBLE_STRING

Constructor Summary

KeyUsage(DERBitString usage)

KeyUsage(int usage)
Basic constructor.

Method Summary

static DERBitString	getInstance(Object obj)
String	toString()

Methods inherited from class org.gudy.bouncycastle.asn1.DERBitString

asn1Equals, getBytes, getBytes, getInstance, getPadBits, getPadBits, getString, hashCode, intValue

Methods inherited from class org.gudy.bouncycastle.asn1.ASN1Object

equals, fromByteArray

Methods inherited from class org.gudy.bouncycastle.asn1.DERObject

toASN1Object

Methods inherited from class org.gudy.bouncycastle.asn1.ASN1Encodable

getDEREncoded, getDERObject, getEncoded, getEncoded

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

digitalSignature

public static final int digitalSignature

See Also:

Constant Field Values

nonRepudiation

public static final int nonRepudiation

See Also:

Constant Field Values

keyEncipherment

public static final int keyEncipherment

See Also:

Constant Field Values

dataEncipherment

public static final int dataEncipherment

See Also:

Constant Field Values

keyAgreement

public static final int keyAgreement

See Also:

Constant Field Values

keyCertSign

public static final int keyCertSign

See Also:

Constant Field Values

cRLSign

public static final int cRLSign

See Also:

Constant Field Values

encipherOnly

public static final int encipherOnly

See Also:

Constant Field Values

decipherOnly

public static final int decipherOnly

See Also:

Constant Field Values

Constructor Detail

KeyUsage

public KeyUsage(int usage)

Basic constructor.

Parameters:

usage - - the bitwise OR of the Key Usage flags giving the allowed uses for the key. e.g. (KeyUsage.keyEncipherment | KeyUsage.dataEncipherment)

KeyUsage

public KeyUsage(DERBitString usage)

Method Detail

getInstance

public static DERBitString getInstance(Object obj)

toString

public String toString()

Overrides:

toString in class DERBitString