Package org.bouncycastle.crypto.engines

Class ARIAEngine

  • All Implemented Interfaces:
    BlockCipher
    public class ARIAEngine
extends java.lang.Object
implements BlockCipher
    RFC 5794. ARIA is a 128-bit block cipher with 128-, 192-, and 256-bit keys.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected static int BLOCK_SIZE  

    • Constructor Summary

      Constructors 
      Constructor Description
      ARIAEngine()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected static void A​(byte[] z)  
      protected static void FE​(byte[] D, byte[] RK)  
      protected static void FO​(byte[] D, byte[] RK)  
      java.lang.String getAlgorithmName()
      Return the name of the algorithm the cipher implements.
      int getBlockSize()
      Return the block size for this cipher (in bytes).
      void init​(boolean forEncryption, CipherParameters params)
      Initialise the cipher.
      protected static byte[][] keySchedule​(boolean forEncryption, byte[] K)  
      protected static void keyScheduleRound​(byte[] rk, byte[] w, byte[] wr, int n)  
      int processBlock​(byte[] in, int inOff, byte[] out, int outOff)
      Process one block of input from the array in and write it to the out array.
      void reset()
      Reset the cipher.
      protected static void reverseKeys​(byte[][] keys)  
      protected static byte SB1​(byte x)  
      protected static byte SB2​(byte x)  
      protected static byte SB3​(byte x)  
      protected static byte SB4​(byte x)  
      protected static void SL1​(byte[] z)  
      protected static void SL2​(byte[] z)  
      protected static void xor​(byte[] z, byte[] x)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • ARIAEngine

        public ARIAEngine()

    • Method Detail

      • init

        public void init​(boolean forEncryption,
                 CipherParameters params)
          throws java.lang.IllegalArgumentException
        Description copied from interface: BlockCipher
        Initialise the cipher.
        Specified by:
        init in interface BlockCipher
        Parameters:
        forEncryption - if true the cipher is initialised for encryption, if false for decryption.
        params - the key and other data required by the cipher.
        Throws:
        java.lang.IllegalArgumentException - if the params argument is inappropriate.

      • getAlgorithmName

        public java.lang.String getAlgorithmName()
        Description copied from interface: BlockCipher
        Return the name of the algorithm the cipher implements.
        Specified by:
        getAlgorithmName in interface BlockCipher
        Returns:
        the name of the algorithm the cipher implements.

      • getBlockSize

        public int getBlockSize()
        Description copied from interface: BlockCipher
        Return the block size for this cipher (in bytes).
        Specified by:
        getBlockSize in interface BlockCipher
        Returns:
        the block size for this cipher in bytes.

      • processBlock

        public int processBlock​(byte[] in,
                        int inOff,
                        byte[] out,
                        int outOff)
                 throws DataLengthException,
                        java.lang.IllegalStateException
        Description copied from interface: BlockCipher
        Process one block of input from the array in and write it to the out array.
        Specified by:
        processBlock in interface BlockCipher
        Parameters:
        in - the array containing the input data.
        inOff - offset into the in array the data starts at.
        out - the array the output data will be copied into.
        outOff - the offset into the out array the output will start at.
        Returns:
        the number of bytes processed and produced.
        Throws:
        DataLengthException - if there isn't enough data in in, or space in out.
        java.lang.IllegalStateException - if the cipher isn't initialised.

      • reset

        public void reset()
        Description copied from interface: BlockCipher
        Reset the cipher. After resetting the cipher is in the same state as it was after the last init (if there was one).
        Specified by:
        reset in interface BlockCipher

      • A

        protected static void A​(byte[] z)

      • FE

        protected static void FE​(byte[] D,
                         byte[] RK)

      • FO

        protected static void FO​(byte[] D,
                         byte[] RK)

      • keySchedule

        protected static byte[][] keySchedule​(boolean forEncryption,
                                      byte[] K)

      • keyScheduleRound

        protected static void keyScheduleRound​(byte[] rk,
                                       byte[] w,
                                       byte[] wr,
                                       int n)

      • reverseKeys

        protected static void reverseKeys​(byte[][] keys)

      • SB1

        protected static byte SB1​(byte x)

      • SB2

        protected static byte SB2​(byte x)

      • SB3

        protected static byte SB3​(byte x)

      • SB4

        protected static byte SB4​(byte x)

      • SL1

        protected static void SL1​(byte[] z)

      • SL2

        protected static void SL2​(byte[] z)

      • xor

        protected static void xor​(byte[] z,
                          byte[] x)