IESWithCipherParameters (Bouncy Castle Library 1.85 API Specification)
Date: 2026-07-12

org.bouncycastle.crypto.params

## Class IESWithCipherParameters

- java.lang.Object
- - org.bouncycastle.crypto.params.IESParameters
  - - org.bouncycastle.crypto.params.IESWithCipherParameters

- All Implemented Interfaces:
    CipherParameters

      public class IESWithCipherParameters
      extends IESParameters

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `IESWithCipherParameters(byte[] derivation, byte[] encoding, int macKeySize, int cipherKeySize)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `getCipherKeySize()`

    - ### Methods inherited from class org.bouncycastle.crypto.params.IESParameters

      `getDerivationV, getEncodingV, getMacKeySize`

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

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

- - ### Constructor Detail

    - #### IESWithCipherParameters

          public IESWithCipherParameters(byte[] derivation,
                                         byte[] encoding,
                                         int macKeySize,
                                         int cipherKeySize)

      Parameters:
        `derivation` - the derivation parameter for the KDF function.
        `encoding` - the encoding parameter for the KDF function.
        `macKeySize` - the size of the MAC key (in bits).
        `cipherKeySize` - the size of the associated Cipher key (in bits).

  - ### Method Detail

    - #### getCipherKeySize

          public int getCipherKeySize()