Package org.bouncycastle.crypto.paddings

Class PKCS7Padding

  • All Implemented Interfaces:
    BlockCipherPadding
    public class PKCS7Padding
extends java.lang.Object
implements BlockCipherPadding
    A padder that adds PKCS7/PKCS5 padding to a block.

    • Constructor Summary

      Constructors 
      Constructor Description
      PKCS7Padding()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int addPadding​(byte[] in, int inOff)
      add the pad bytes to the passed in block, returning the number of bytes added.
      java.lang.String getPaddingName()
      Return the name of the algorithm the padder implements.
      void init​(java.security.SecureRandom random)
      Initialise the padder.
      int padCount​(byte[] in)
      return the number of pad bytes present in the block.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • PKCS7Padding

        public PKCS7Padding()

    • Method Detail

      • init

        public void init​(java.security.SecureRandom random)
          throws java.lang.IllegalArgumentException
        Initialise the padder.
        Specified by:
        init in interface BlockCipherPadding
        Parameters:
        random - - a SecureRandom if available.
        Throws:
        java.lang.IllegalArgumentException

      • getPaddingName

        public java.lang.String getPaddingName()
        Return the name of the algorithm the padder implements.
        Specified by:
        getPaddingName in interface BlockCipherPadding
        Returns:
        the name of the algorithm the padder implements.

      • addPadding

        public int addPadding​(byte[] in,
                      int inOff)
        add the pad bytes to the passed in block, returning the number of bytes added.
        Specified by:
        addPadding in interface BlockCipherPadding