Module ibm.crypto.ibmjcehybrid
Package com.ibm.crypto.ibmjcehybrid.provider

Class HmacSHA224Hybrid

java.lang.Object
javax.crypto.MacSpi
com.ibm.crypto.ibmjcehybrid.provider.HmacSHA224Hybrid
All Implemented Interfaces:
Cloneable
public class HmacSHA224Hybrid extends MacSpi
This class is a facade for the HmacSHA224Hybrid Message Authentication Code (MAC) algorithm.

  • Constructor Summary

    Constructors
    Constructor
    Description
    HmacSHA224Hybrid()
    Creates a new instance of the HmacSHA224Hybrid class.

  • Method Summary

    Modifier and Type
    Method
    Description
    Object
    clone()
     
    protected byte[]
    engineDoFinal()
    Completes the HMAC computation and resets the HMAC for further use, maintaining the secret key that the HMAC was initialized with.
    protected int
    engineGetMacLength()
    Returns the length of the HMAC in bytes.
    protected void
    engineInit(Key key, AlgorithmParameterSpec params)
    Initializes this mac with a key and a set of algorithm parameters.
    protected void
    engineReset()
    Resets the HMAC for further use, maintaining the secret key that the HMAC was initialized with.
    protected void
    engineUpdate(byte input)
    Processes the given byte.
    protected void
    engineUpdate(byte[] input, int offset, int len)
    Processes the first len bytes in input, starting at offset.

    Methods inherited from class javax.crypto.MacSpi

    engineUpdate

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • HmacSHA224Hybrid

      public HmacSHA224Hybrid()
      Creates a new instance of the HmacSHA224Hybrid class.

  • Method Details

    • engineGetMacLength

      protected int engineGetMacLength()
      Returns the length of the HMAC in bytes.
      Specified by:
      engineGetMacLength in class MacSpi
      Returns:
      the HMAC length in bytes.

    • engineInit

      protected void engineInit(Key key, AlgorithmParameterSpec params) throws InvalidKeyException, InvalidAlgorithmParameterException
      Initializes this mac with a key and a set of algorithm parameters.
      Specified by:
      engineInit in class MacSpi
      Parameters:
      key - the encryption key
      params - the algorithm parameters
      Throws:
      InvalidKeyException - if the given key is inappropriate for initializing this mac
      InvalidAlgorithmParameterException - if the given algorithm parameters are inappropriate for this mac

    • engineUpdate

      protected void engineUpdate(byte input)
      Processes the given byte.
      Specified by:
      engineUpdate in class MacSpi
      Parameters:
      input - the input byte to be processed.

    • engineUpdate

      protected void engineUpdate(byte[] input, int offset, int len)
      Processes the first len bytes in input, starting at offset.
      Specified by:
      engineUpdate in class MacSpi
      Parameters:
      input - the input buffer.
      offset - the offset in input where the input starts.
      len - the number of bytes to process.

    • engineDoFinal

      protected byte[] engineDoFinal()
      Completes the HMAC computation and resets the HMAC for further use, maintaining the secret key that the HMAC was initialized with.
      Specified by:
      engineDoFinal in class MacSpi
      Returns:
      the HMAC result.

    • engineReset

      protected void engineReset()
      Resets the HMAC for further use, maintaining the secret key that the HMAC was initialized with.
      Specified by:
      engineReset in class MacSpi

    • clone

      public Object clone()
      Overrides:
      clone in class MacSpi