part6
Class RSAPublicKeyWithRecovery

java.lang.Object
  part2.SimpleRSAPublicKey
      part6.RSAPublicKeyWithRecovery

All Implemented Interfaces:

RSAPublicKey

public class RSAPublicKeyWithRecovery

extends SimpleRSAPublicKey

A class that implements an RSA public key that can be used for signature verification using a digital signature scheme with message recovery.

Constructor Summary

RSAPublicKeyWithRecovery(java.math.BigInteger n, java.math.BigInteger e)

RSAPublicKeyWithRecovery(SimpleRSAPublicKey key)

Method Summary

java.math.BigInteger	recover(java.math.BigInteger s, Redundancy redundancy) A method to recover a value from a signature s using the redundancy object redundancy.
boolean	verify(java.math.BigInteger s, Redundancy redundancy) A method to validate a signature s using the redundancy object redundancy.

Methods inherited from class part2.SimpleRSAPublicKey

encrypt, encrypt, modulus, publicExponent, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

RSAPublicKeyWithRecovery

public RSAPublicKeyWithRecovery(java.math.BigInteger n,
                                java.math.BigInteger e)
                         throws java.lang.Exception

RSAPublicKeyWithRecovery

public RSAPublicKeyWithRecovery(SimpleRSAPublicKey key)
                         throws java.lang.Exception

Method Detail

verify

public boolean verify(java.math.BigInteger s,
                      Redundancy redundancy)
               throws java.lang.Exception

A method to validate a signature s using the redundancy object redundancy.

Throws:

Exception.

java.lang.Exception

recover

public java.math.BigInteger recover(java.math.BigInteger s,
                                    Redundancy redundancy)
                             throws java.lang.Exception

A method to recover a value from a signature s using the redundancy object redundancy.

Throws:

Exception.

java.lang.Exception