Package org.bouncycastle.jce.spec

Class IESParameterSpec

  • All Implemented Interfaces:
    java.security.spec.AlgorithmParameterSpec
    public class IESParameterSpec
extends java.lang.Object
implements java.security.spec.AlgorithmParameterSpec
    Parameter spec for an integrated encryptor, as in IEEE P1363a

    • Constructor Summary

      Constructors 
      Constructor Description
      IESParameterSpec​(byte[] derivation, byte[] encoding, int macKeySize)
      Set the IES engine parameters.
      IESParameterSpec​(byte[] derivation, byte[] encoding, int macKeySize, int cipherKeySize, byte[] nonce)
      Set the IES engine parameters.
      IESParameterSpec​(byte[] derivation, byte[] encoding, int macKeySize, int cipherKeySize, byte[] nonce, boolean usePointCompression)
      Set the IES engine parameters.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int getCipherKeySize()
      return the key size in bits for the block cipher used with the message
      byte[] getDerivationV()
      return the derivation vector.
      byte[] getEncodingV()
      return the encoding vector.
      int getMacKeySize()
      return the key size in bits for the MAC used with the message
      byte[] getNonce()
      Return the nonce (IV) value to be associated with message.
      boolean getPointCompression()
      Return the 'point compression' flag.
      void setPointCompression​(boolean usePointCompression)
      Set the 'point compression' flag.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • IESParameterSpec

        public IESParameterSpec​(byte[] derivation,
                        byte[] encoding,
                        int macKeySize)
        Set the IES engine parameters.
        Parameters:
        derivation - the optional derivation vector for the KDF.
        encoding - the optional encoding vector for the KDF.
        macKeySize - the key size (in bits) for the MAC.

      • IESParameterSpec

        public IESParameterSpec​(byte[] derivation,
                        byte[] encoding,
                        int macKeySize,
                        int cipherKeySize,
                        byte[] nonce)
        Set the IES engine parameters.
        Parameters:
        derivation - the optional derivation vector for the KDF.
        encoding - the optional encoding vector for the KDF.
        macKeySize - the key size (in bits) for the MAC.
        cipherKeySize - the key size (in bits) for the block cipher.
        nonce - an IV to use initialising the block cipher.

      • IESParameterSpec

        public IESParameterSpec​(byte[] derivation,
                        byte[] encoding,
                        int macKeySize,
                        int cipherKeySize,
                        byte[] nonce,
                        boolean usePointCompression)
        Set the IES engine parameters.
        Parameters:
        derivation - the optional derivation vector for the KDF.
        encoding - the optional encoding vector for the KDF.
        macKeySize - the key size (in bits) for the MAC.
        cipherKeySize - the key size (in bits) for the block cipher.
        nonce - an IV to use initialising the block cipher.
        usePointCompression - whether to use EC point compression or not (false by default)

    • Method Detail

      • getDerivationV

        public byte[] getDerivationV()
        return the derivation vector.

      • getEncodingV

        public byte[] getEncodingV()
        return the encoding vector.

      • getMacKeySize

        public int getMacKeySize()
        return the key size in bits for the MAC used with the message

      • getCipherKeySize

        public int getCipherKeySize()
        return the key size in bits for the block cipher used with the message

      • getNonce

        public byte[] getNonce()
        Return the nonce (IV) value to be associated with message.
        Returns:
        block cipher IV for message.

      • setPointCompression

        public void setPointCompression​(boolean usePointCompression)
        Set the 'point compression' flag.

      • getPointCompression

        public boolean getPointCompression()
        Return the 'point compression' flag.
        Returns:
        the point compression flag