Class AsconXof

  • All Implemented Interfaces:
    Digest, ExtendedDigest, Xof

    public class AsconXof
    extends java.lang.Object
    implements Xof
    Deprecated.
    Now superseded - please use AsconXof128
    ASCON v1.2 XOF, https://ascon.iaik.tugraz.at/ .

    https://csrc.nist.gov/CSRC/media/Projects/lightweight-cryptography/documents/finalist-round/updated-spec-doc/ascon-spec-final.pdf

    ASCON v1.2 XOF with reference to C Reference Impl from: https://github.com/ascon/ascon-c .

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static class  AsconXof.AsconParameters
      Deprecated.
       
    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      int doFinal​(byte[] output, int outOff)
      close the digest, producing the final digest value.
      int doFinal​(byte[] output, int outOff, int outLen)
      Deprecated.
      Output the results of the final calculation for this digest to outLen number of bytes.
      int doOutput​(byte[] output, int outOff, int outLen)
      Deprecated.
      Start outputting the results of the final calculation for this digest.
      java.lang.String getAlgorithmName()
      Deprecated.
      return the algorithm name
      int getByteLength()
      Deprecated.
      Return the size in bytes of the internal buffer the digest applies it's compression function to.
      int getDigestSize()
      return the size, in bytes, of the digest produced by this message digest.
      protected int hash​(byte[] output, int outOff, int outLen)  
      protected long loadBytes​(byte[] bytes, int inOff)
      Deprecated.
       
      protected long loadBytes​(byte[] bytes, int inOff, int n)
      Deprecated.
       
      protected void p​(int nr)  
      protected long pad​(int i)
      Deprecated.
       
      protected void padAndAbsorb()
      Deprecated.
       
      void reset()
      Deprecated.
      reset the digest back to it's initial state.
      protected void setBytes​(long w, byte[] bytes, int inOff)
      Deprecated.
       
      protected void setBytes​(long w, byte[] bytes, int inOff, int n)
      Deprecated.
       
      protected void squeeze​(byte[] output, int outOff, int len)  
      void update​(byte in)
      Deprecated.
      update the message digest with a single byte.
      void update​(byte[] input, int inOff, int len)
      Deprecated.
      update the message digest with a block of bytes.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • x0

        protected long x0
      • x1

        protected long x1
      • x2

        protected long x2
      • x3

        protected long x3
      • x4

        protected long x4
      • ASCON_PB_ROUNDS

        protected int ASCON_PB_ROUNDS
      • m_buf

        protected final byte[] m_buf
      • m_bufPos

        protected int m_bufPos
    • Method Detail

      • update

        public void update​(byte in)
        Deprecated.
        Description copied from interface: Digest
        update the message digest with a single byte.
        Specified by:
        update in interface Digest
        Parameters:
        in - the input byte to be entered.
      • update

        public void update​(byte[] input,
                           int inOff,
                           int len)
        Deprecated.
        Description copied from interface: Digest
        update the message digest with a block of bytes.
        Specified by:
        update in interface Digest
        Parameters:
        input - the byte array containing the data.
        inOff - the offset into the byte array where the data starts.
        len - the length of the data.
      • padAndAbsorb

        protected void padAndAbsorb()
        Deprecated.
      • pad

        protected long pad​(int i)
        Deprecated.
      • loadBytes

        protected long loadBytes​(byte[] bytes,
                                 int inOff)
        Deprecated.
      • loadBytes

        protected long loadBytes​(byte[] bytes,
                                 int inOff,
                                 int n)
        Deprecated.
      • setBytes

        protected void setBytes​(long w,
                                byte[] bytes,
                                int inOff)
        Deprecated.
      • setBytes

        protected void setBytes​(long w,
                                byte[] bytes,
                                int inOff,
                                int n)
        Deprecated.
      • getAlgorithmName

        public java.lang.String getAlgorithmName()
        Deprecated.
        Description copied from interface: Digest
        return the algorithm name
        Specified by:
        getAlgorithmName in interface Digest
        Returns:
        the algorithm name
      • doOutput

        public int doOutput​(byte[] output,
                            int outOff,
                            int outLen)
        Deprecated.
        Description copied from interface: Xof
        Start outputting the results of the final calculation for this digest. Unlike doFinal, this method will continue producing output until the Xof is explicitly reset, or signals otherwise.
        Specified by:
        doOutput in interface Xof
        Parameters:
        output - output array to write the output bytes to.
        outOff - offset to start writing the bytes at.
        outLen - the number of output bytes requested.
        Returns:
        the number of bytes written
      • doFinal

        public int doFinal​(byte[] output,
                           int outOff,
                           int outLen)
        Deprecated.
        Description copied from interface: Xof
        Output the results of the final calculation for this digest to outLen number of bytes.
        Specified by:
        doFinal in interface Xof
        Parameters:
        output - output array to write the output bytes to.
        outOff - offset to start writing the bytes at.
        outLen - the number of output bytes requested.
        Returns:
        the number of bytes written
      • getByteLength

        public int getByteLength()
        Deprecated.
        Description copied from interface: ExtendedDigest
        Return the size in bytes of the internal buffer the digest applies it's compression function to.
        Specified by:
        getByteLength in interface ExtendedDigest
        Returns:
        byte length of the digests internal buffer.
      • reset

        public void reset()
        Deprecated.
        Description copied from interface: Digest
        reset the digest back to it's initial state.
        Specified by:
        reset in interface Digest
      • p

        protected void p​(int nr)
      • getDigestSize

        public int getDigestSize()
        Description copied from interface: Digest
        return the size, in bytes, of the digest produced by this message digest.
        Specified by:
        getDigestSize in interface Digest
        Returns:
        the size, in bytes, of the digest produced by this message digest.
      • doFinal

        public int doFinal​(byte[] output,
                           int outOff)
        Description copied from interface: Digest
        close the digest, producing the final digest value. The doFinal call leaves the digest reset.
        Specified by:
        doFinal in interface Digest
        Parameters:
        output - the array the digest is to be copied into.
        outOff - the offset into the out array the digest is to start at.
      • squeeze

        protected void squeeze​(byte[] output,
                               int outOff,
                               int len)
      • hash

        protected int hash​(byte[] output,
                           int outOff,
                           int outLen)