Package org.bouncycastle.asn1.x509

Class KeyUsage

  • All Implemented Interfaces:
    ASN1Encodable, Encodable
    public class KeyUsage
extends ASN1Object
    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) }

    • 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)

    • Method Detail

      • getInstance

        public static KeyUsage getInstance​(java.lang.Object obj)

      • hasUsages

        public boolean hasUsages​(int usages)
        Return true if a given usage bit is set, false otherwise.
        Parameters:
        usages - combination of usage flags.
        Returns:
        true if all bits are set, false otherwise.

      • getBytes

        public byte[] getBytes()

      • getPadBits

        public int getPadBits()

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object