org.gudy.bouncycastle.asn1.x509
Class KeyUsage

java.lang.Object
  extended by org.gudy.bouncycastle.asn1.ASN1Encodable
      extended by org.gudy.bouncycastle.asn1.DERObject
          extended by org.gudy.bouncycastle.asn1.ASN1Object
              extended by org.gudy.bouncycastle.asn1.DERBitString
                  extended by 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