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

Fields

Modifier and Type	Field	Description
static final int	cRLSign
static final int	dataEncipherment
static final int	decipherOnly
static final int	digitalSignature
static final int	encipherOnly
static final int	keyAgreement
static final int	keyCertSign
static final int	keyEncipherment
static final int	nonRepudiation

Fields inherited from class DERBitString

data, padBits

Fields inherited from class ASN1Encodable

BER, DER

Fields inherited from interface 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

Constructors

Constructor	Description
KeyUsage(int usage)	Basic constructor.
KeyUsage(DERBitString usage)

Method Summary

Modifier and Type	Method	Description
static DERBitString	getInstance(Object obj)
String	toString()

Methods inherited from class DERBitString

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

Methods inherited from class ASN1Object

equals, fromByteArray

Methods inherited from class DERObject

toASN1Object

Methods inherited from class ASN1Encodable

getDEREncoded, getDERObject, getEncoded, getEncoded

Methods inherited from class Object

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

Field Details

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 Details

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 Details

getInstance

public static DERBitString getInstance(Object obj)

toString

public String toString()

Overrides:

toString in class DERBitString