Package org.bouncycastle.jce.spec

Class IESParameterSpec

java.lang.Object
org.bouncycastle.jce.spec.IESParameterSpec
All Implemented Interfaces:
AlgorithmParameterSpec
public class IESParameterSpec extends Object implements 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

    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 Details

    • 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 Details

    • 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