Package org.bouncycastle.cert.crmf.bc

Class BcFixedLengthMGF1Padder

  • All Implemented Interfaces:
    EncryptedValuePadder
    public class BcFixedLengthMGF1Padder
extends java.lang.Object
implements EncryptedValuePadder
    An encrypted value padder that uses MGF1 as the basis of the padding.

    • Constructor Summary

      Constructors 
      Constructor Description
      BcFixedLengthMGF1Padder​(int length)
      Create a padder to so that padded output will always be at least length bytes long.
      BcFixedLengthMGF1Padder​(int length, java.security.SecureRandom random)
      Create a padder to so that padded output will always be at least length bytes long, using the passed in source of randomness to provide the random material for the padder.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      byte[] getPaddedData​(byte[] data)
      Return a byte array of padded data.
      byte[] getUnpaddedData​(byte[] paddedData)
      Return a byte array of with padding removed.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • BcFixedLengthMGF1Padder

        public BcFixedLengthMGF1Padder​(int length)
        Create a padder to so that padded output will always be at least length bytes long.
        Parameters:
        length - fixed length for padded output.

      • BcFixedLengthMGF1Padder

        public BcFixedLengthMGF1Padder​(int length,
                               java.security.SecureRandom random)
        Create a padder to so that padded output will always be at least length bytes long, using the passed in source of randomness to provide the random material for the padder.
        Parameters:
        length - fixed length for padded output.
        random - a source of randomness.

    • Method Detail

      • getPaddedData

        public byte[] getPaddedData​(byte[] data)
        Description copied from interface: EncryptedValuePadder
        Return a byte array of padded data.
        Specified by:
        getPaddedData in interface EncryptedValuePadder
        Parameters:
        data - the data to be padded.
        Returns:
        a padded byte array containing data.

      • getUnpaddedData

        public byte[] getUnpaddedData​(byte[] paddedData)
        Description copied from interface: EncryptedValuePadder
        Return a byte array of with padding removed.
        Specified by:
        getUnpaddedData in interface EncryptedValuePadder
        Parameters:
        paddedData - the data to be padded.
        Returns:
        an array containing the original unpadded data.