BaseCipherSpi (Bouncy Castle Library 1.52 API Specification)
Date: 2015-03-01

org.bouncycastle.jcajce.provider.asymmetric.util

## Class BaseCipherSpi

- java.lang.Object
- - javax.crypto.CipherSpi
  - - org.bouncycastle.jcajce.provider.asymmetric.util.BaseCipherSpi

- Direct Known Subclasses:
    CipherSpi, CipherSpi

      public abstract class BaseCipherSpi
      extends javax.crypto.CipherSpi

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected java.security.AlgorithmParameters` | `engineParams`
    `protected Wrapper` | `wrapEngine`

  - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `BaseCipherSpi()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected java.security.AlgorithmParameters` | `createParametersInstance(java.lang.String algorithm)`
    `protected int` | `engineGetBlockSize()`
    `protected byte[]` | `engineGetIV()`
    `protected int` | `engineGetKeySize(java.security.Key key)`
    `protected int` | `engineGetOutputSize(int inputLen)`
    `protected java.security.AlgorithmParameters` | `engineGetParameters()`
    `protected void` | `engineSetMode(java.lang.String mode)`
    `protected void` | `engineSetPadding(java.lang.String padding)`
    `protected java.security.Key` | `engineUnwrap(byte[] wrappedKey, java.lang.String wrappedKeyAlgorithm, int wrappedKeyType)`
    `protected byte[]` | `engineWrap(java.security.Key key)`

    - ### Methods inherited from class javax.crypto.CipherSpi

      `engineDoFinal, engineDoFinal, engineDoFinal, engineInit, engineInit, engineInit, engineUpdate, engineUpdate, engineUpdate, engineUpdateAAD, engineUpdateAAD`

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### engineParams

          protected java.security.AlgorithmParameters engineParams

    - #### wrapEngine

          protected Wrapper wrapEngine

  - ### Constructor Detail

    - #### BaseCipherSpi

          protected BaseCipherSpi()

  - ### Method Detail

    - #### engineGetBlockSize

          protected int engineGetBlockSize()

      Specified by:
        `engineGetBlockSize` in class `javax.crypto.CipherSpi`

    - #### engineGetIV

          protected byte[] engineGetIV()

      Specified by:
        `engineGetIV` in class `javax.crypto.CipherSpi`

    - #### engineGetKeySize

          protected int engineGetKeySize(java.security.Key key)

      Overrides:
        `engineGetKeySize` in class `javax.crypto.CipherSpi`

    - #### engineGetOutputSize

          protected int engineGetOutputSize(int inputLen)

      Specified by:
        `engineGetOutputSize` in class `javax.crypto.CipherSpi`

    - #### engineGetParameters

          protected java.security.AlgorithmParameters engineGetParameters()

      Specified by:
        `engineGetParameters` in class `javax.crypto.CipherSpi`

    - #### createParametersInstance

          protected final java.security.AlgorithmParameters createParametersInstance(java.lang.String algorithm)
                                                                              throws java.security.NoSuchAlgorithmException,
                                                                                     java.security.NoSuchProviderException

      Throws:
        `java.security.NoSuchAlgorithmException`
        `java.security.NoSuchProviderException`

    - #### engineSetMode

          protected void engineSetMode(java.lang.String mode)
                                throws java.security.NoSuchAlgorithmException

      Specified by:
        `engineSetMode` in class `javax.crypto.CipherSpi`
      Throws:
        `java.security.NoSuchAlgorithmException`

    - #### engineSetPadding

          protected void engineSetPadding(java.lang.String padding)
                                   throws javax.crypto.NoSuchPaddingException

      Specified by:
        `engineSetPadding` in class `javax.crypto.CipherSpi`
      Throws:
        `javax.crypto.NoSuchPaddingException`

    - #### engineWrap

          protected byte[] engineWrap(java.security.Key key)
                               throws javax.crypto.IllegalBlockSizeException,
                                      java.security.InvalidKeyException

      Overrides:
        `engineWrap` in class `javax.crypto.CipherSpi`
      Throws:
        `javax.crypto.IllegalBlockSizeException`
        `java.security.InvalidKeyException`

    - #### engineUnwrap

          protected java.security.Key engineUnwrap(byte[] wrappedKey,
                                       java.lang.String wrappedKeyAlgorithm,
                                       int wrappedKeyType)
                                            throws java.security.InvalidKeyException

      Overrides:
        `engineUnwrap` in class `javax.crypto.CipherSpi`
      Throws:
        `java.security.InvalidKeyException`