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## org.bouncycastle.crypto.paddings
Class ZeroBytePadding

    java.lang.Object
      |
      +--org.bouncycastle.crypto.paddings.ZeroBytePadding

All Implemented Interfaces:
  BlockCipherPadding

public class ZeroBytePadding
extends java.lang.Object
implements BlockCipherPadding

A padder that adds NULL byte padding to a block.

Constructor Summary
`ZeroBytePadding()`

Method Summary
`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

### ZeroBytePadding

    public ZeroBytePadding()

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.

### 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`

### padCount

    public int padCount(byte[] in)
                 throws InvalidCipherTextException

  return the number of pad bytes present in the block.
  Specified by:
    `padCount` in interface `BlockCipherPadding`
  Following copied from interface: `org.bouncycastle.crypto.paddings.BlockCipherPadding`
  Throws:
    `InvalidCipherTextException` - if the padding is badly formed or invalid.

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