IllegalBlockSizeException (Java SE 17 & JDK 17)
Description: declaration: module: java.base, package: javax.crypto, class: IllegalBlockSizeException
Keywords: javax.crypto.IllegalBlockSizeException class

Module java.base
Package javax.crypto

# Class IllegalBlockSizeException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.security.GeneralSecurityException
javax.crypto.IllegalBlockSizeException

All Implemented Interfaces:
  `Serializable`

public class IllegalBlockSizeException extends GeneralSecurityException
This exception is thrown when the length of data provided to a block cipher is incorrect, i.e., does not match the block size of the cipher.

Since:
  1.4
See Also:
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `IllegalBlockSizeException()`
  Constructs an IllegalBlockSizeException with no detail message.
  `IllegalBlockSizeException(String msg)`
  Constructs an IllegalBlockSizeException with the specified detail message.

- ## Method Summary

  ### Methods declared in class java.lang.Throwable

  `addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

  ### Methods declared in class java.lang.Object

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

- ## Constructor Details

  - ### IllegalBlockSizeException

    public IllegalBlockSizeException()
    Constructs an IllegalBlockSizeException with no detail message. A detail message is a String that describes this particular exception.

  - ### IllegalBlockSizeException

    public IllegalBlockSizeException(String msg)
    Constructs an IllegalBlockSizeException with the specified detail message.
    Parameters:
      `msg` - the detail message.