Package javax.crypto.spec

Class RC2ParameterSpec

java.lang.Object

javax.crypto.spec.RC2ParameterSpec

All Implemented Interfaces:

AlgorithmParameterSpec

public class RC2ParameterSpec
extends Object
implements AlgorithmParameterSpec

The algorithm parameter specification for the RC2 algorithm.

Constructor Summary

Constructors

Constructor	Description
RC2ParameterSpec(int effectiveKeyBits)	Creates a new RC2ParameterSpec instance with the specified effective key length (in bits),
RC2ParameterSpec(int effectiveKeyBits, byte[] iv)	Creates a new RC2ParameterSpec instance with the specified effective key length (in bits) and initialization vector.
RC2ParameterSpec(int effectiveKeyBits, byte[] iv, int offset)	Creates a new RC2ParameterSpec instance with the specified effective key length (in bits) and initialization vector.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)	Compares the specified object to this RC2ParameterSpec instance.
int	getEffectiveKeyBits()	Returns the effective key length (in bits).
byte[]	getIV()	Returns a copy of the initialization vector.
int	hashCode()	Returns the hash code of this RC2ParameterSpec instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

RC2ParameterSpec

public RC2ParameterSpec(int effectiveKeyBits)

Creates a new RC2ParameterSpec instance with the specified effective key length (in bits),

Parameters:

effectiveKeyBits - the effective key length (in bits).

RC2ParameterSpec

public RC2ParameterSpec(int effectiveKeyBits,
                        byte[] iv)

Creates a new RC2ParameterSpec instance with the specified effective key length (in bits) and initialization vector.

The size of the initialization vector must be at least 8 bytes which are copied to protect them against modification.

Parameters:

effectiveKeyBits - the effective key length (in bits).

iv - the initialization vector.

Throws:

IllegalArgumentException - if the initialization vector is null or shorter than 8 bytes.

RC2ParameterSpec

public RC2ParameterSpec(int effectiveKeyBits,
                        byte[] iv,
                        int offset)

Creates a new RC2ParameterSpec instance with the specified effective key length (in bits) and initialization vector.

The size of the initialization vector starting at offset must be at least 8 bytes which are copied to protect them against modification.

Parameters:

effectiveKeyBits - the effective key length (in bits).

iv - the initialization vector.

offset - the offset in the initialization vector to start at.

Throws:

IllegalArgumentException - if the initialization vector is null or starting at offset is shorter than 8 bytes.

Method Detail

getEffectiveKeyBits

public int getEffectiveKeyBits()

Returns the effective key length (in bits).

Returns:

the effective key length (in bits).

getIV

public byte[] getIV()

Returns a copy of the initialization vector.

Returns:

a copy of the initialization vector, or null if none specified.

equals

public boolean equals(Object obj)

Compares the specified object to this RC2ParameterSpec instance.

Overrides:

equals in class Object

Parameters:

obj - the object to compare.

Returns:

true if the effective key length and the initialization vector of both objects are equal, otherwise false.

See Also:

Object.hashCode()

hashCode

public int hashCode()

Returns the hash code of this RC2ParameterSpec instance.

Overrides:

hashCode in class Object

Returns:

the hash code.

See Also:

Object.equals(java.lang.Object)