Package com.southernstorm.noise.crypto

Class Poly1305

java.lang.Object
com.southernstorm.noise.crypto.Poly1305
All Implemented Interfaces:
Destroyable, Cloneable
public final class Poly1305
extends Object
implements Destroyable, Cloneable
Simple implementation of the Poly1305 message authenticator.

  • Constructor Summary

    Constructors 
    Constructor Description
    Poly1305()
    Constructs a new Poly1305 message authenticator.

  • Method Summary

    Modifier and Type Method Description
    Poly1305 clone()
    I2P
    void destroy()
    Destroys all sensitive state in the current object.
    void finish​(byte[] token, int offset)
    Finishes the message authenticator and returns the 16-byte token.
    void pad()
    Pads the input with zeroes to a multiple of 16 bytes.
    void reset​(byte[] key, int offset)
    Resets the message authenticator with a new key.
    void update​(byte[] data, int offset, int length)
    Updates the message authenticator with more input data.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • Poly1305

      public Poly1305()
      Constructs a new Poly1305 message authenticator.

  • Method Details

    • reset

      public void reset​(byte[] key, int offset)
      Resets the message authenticator with a new key.
      Parameters:
      key - The buffer containing the 32 byte key.
      offset - The offset into the buffer of the first key byte.

    • update

      public void update​(byte[] data, int offset, int length)
      Updates the message authenticator with more input data.
      Parameters:
      data - The buffer containing the input data.
      offset - The offset of the first byte of input.
      length - The number of bytes of input.

    • pad

      public void pad()
      Pads the input with zeroes to a multiple of 16 bytes.

    • finish

      public void finish​(byte[] token, int offset)
      Finishes the message authenticator and returns the 16-byte token.
      Parameters:
      token - The buffer to receive the token.
      offset - The offset of the token in the buffer.

    • destroy

      public void destroy()
      Description copied from interface: Destroyable
      Destroys all sensitive state in the current object.
      Specified by:
      destroy in interface Destroyable

    • clone

      public Poly1305 clone() throws CloneNotSupportedException
      I2P
      Overrides:
      clone in class Object
      Throws:
      CloneNotSupportedException
      Since:
      0.9.44