Package org.h2.security

Class Fog

java.lang.Object
org.h2.security.Fog
All Implemented Interfaces:
BlockCipher
public class Fog extends Object implements BlockCipher
A pseudo-encryption algorithm that makes the data appear to be encrypted. This algorithm is cryptographically extremely weak, and should only be used to hide data from reading the plain text using a text editor.

  • Field Summary

    Fields inherited from interface org.h2.security.BlockCipher

    ALIGN

  • Constructor Summary

    Constructors
    Constructor
    Description
    Fog()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    decrypt(byte[] bytes, int off, int len)
    Decrypt a number of bytes.
    void
    encrypt(byte[] bytes, int off, int len)
    Encrypt a number of bytes.
    int
    getKeyLength()
    Get the length of the key in bytes.
    void
    setKey(byte[] key)
    Set the encryption key used for encrypting and decrypting.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • Fog

      public Fog()

  • Method Details

    • encrypt

      public void encrypt(byte[] bytes, int off, int len)
      Description copied from interface: BlockCipher
      Encrypt a number of bytes. This is done in-place, that means the bytes are overwritten.
      Specified by:
      encrypt in interface BlockCipher
      Parameters:
      bytes - the byte array
      off - the start index
      len - the number of bytes to encrypt

    • decrypt

      public void decrypt(byte[] bytes, int off, int len)
      Description copied from interface: BlockCipher
      Decrypt a number of bytes. This is done in-place, that means the bytes are overwritten.
      Specified by:
      decrypt in interface BlockCipher
      Parameters:
      bytes - the byte array
      off - the start index
      len - the number of bytes to decrypt

    • getKeyLength

      public int getKeyLength()
      Description copied from interface: BlockCipher
      Get the length of the key in bytes.
      Specified by:
      getKeyLength in interface BlockCipher
      Returns:
      the length of the key

    • setKey

      public void setKey(byte[] key)
      Description copied from interface: BlockCipher
      Set the encryption key used for encrypting and decrypting. The key needs to be 16 bytes long.
      Specified by:
      setKey in interface BlockCipher
      Parameters:
      key - the key