oracle.security.crypto.core

Class RSA

java.lang.Object

oracle.security.crypto.core.RSA

public final class RSA
extends java.lang.Object

The raw RSA algorithm cryptographic operation.

For more information about RSA, see Schneier, "Applied Cryptography" or another general cryptograhy reference.

Constructor Summary

Constructors

Constructor and Description
RSA() Creates a new RSA instance.

Method Summary

Methods

Modifier and Type	Method and Description
java.math.BigInteger	performOp(java.math.BigInteger m) Performs the basic RSA encryption/decryption operation on a number using the current key.
void	setKey(RSAKey key) Sets the key to the given RSA key.

Methods inherited from class java.lang.Object

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

Constructor Detail

RSA

public RSA()

Creates a new RSA instance. The setKey method must be called before encrypting or decrypting.

Method Detail

setKey

public void setKey(RSAKey key)

Sets the key to the given RSA key. The key may be either a public or a private key.

Parameters:

key - the key

performOp

public java.math.BigInteger performOp(java.math.BigInteger m)

Performs the basic RSA encryption/decryption operation on a number using the current key.

Parameters:

m - The value to encrypt or decrypt.

Returns:

The encrypted or decrypted value.