part2
Class CRTRSAPrivateKey

java.lang.Object
  part2.CRTRSAPrivateKey

All Implemented Interfaces:

RSAPrivateKey

public class CRTRSAPrivateKey

extends java.lang.Object

implements RSAPrivateKey

A class that implements a CRT RSA private key.

Constructor Summary

CRTRSAPrivateKey(java.math.BigInteger p, java.math.BigInteger q, java.math.BigInteger d)
A constructor for a CRT RSA private key using primes p and q, and priavte exponent d.

Method Summary

java.lang.String	decrypt(java.util.AbstractList cipherText) A method to decrypt the ciphertext cipherText to a string value using this private key.
java.math.BigInteger	decrypt(java.math.BigInteger cipherText) A method to decrypt the ciphertext cipherText to a big integer value using the private key key.
java.math.BigInteger	modulus() A method to return the modulus of this private RSA key.
java.math.BigInteger	privateExponent() A method to return the private exponent of this private RSA key.
java.lang.String	toString() A method to produce a string representation of this private RSA key.

Methods inherited from class java.lang.Object

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

Constructor Detail

CRTRSAPrivateKey

public CRTRSAPrivateKey(java.math.BigInteger p,
                        java.math.BigInteger q,
                        java.math.BigInteger d)
                 throws java.lang.Exception

A constructor for a CRT RSA private key using primes p and q, and priavte exponent d.

Throws:

Exception.

java.lang.Exception

Method Detail

modulus

public java.math.BigInteger modulus()
                             throws java.lang.Exception

A method to return the modulus of this private RSA key.

Throws:

Exception.

java.lang.Exception

privateExponent

public java.math.BigInteger privateExponent()
                                     throws java.lang.Exception

A method to return the private exponent of this private RSA key.

Throws:

Exception.

java.lang.Exception

toString

public java.lang.String toString()

A method to produce a string representation of this private RSA key.

Throws:

Exception.

decrypt

public java.math.BigInteger decrypt(java.math.BigInteger cipherText)
                             throws java.lang.Exception

A method to decrypt the ciphertext cipherText to a big integer value using the private key key.

Specified by:

decrypt in interface RSAPrivateKey

Throws:

Exception.

java.lang.Exception

decrypt

public java.lang.String decrypt(java.util.AbstractList cipherText)
                         throws java.lang.Exception

A method to decrypt the ciphertext cipherText to a string value using this private key.

Specified by:

decrypt in interface RSAPrivateKey

Throws:

Exception.

java.lang.Exception