Package com.almis.awe.model.util.security

Class Crypto.RSA

java.lang.Object

com.almis.awe.model.util.security.Crypto.RSA

Enclosing class:

Crypto

public static class Crypto.RSA
extends Object

RSA

Constructor Summary

Constructors

Constructor	Description
RSA()	Constructor

Method Summary

Modifier and Type	Method	Description
String	decrypt(String ciphertext, String encoding)	Decrypt text
String	encrypt(String plaintext)	Encrypt text
BigInteger	getExponent()	Get exponent
BigInteger	getModulus()	Get modulus
Key	getPrivateKey()	Get private key
Key	getPublicKey()	Get public key

Methods inherited from class java.lang.Object

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

Constructor Details

RSA

public RSA()
    throws NoSuchAlgorithmException,
InvalidKeySpecException,
NoSuchPaddingException

Constructor

Throws:

NoSuchAlgorithmException - No such algorithm

InvalidKeySpecException - Invalid key

NoSuchPaddingException - No such padding

Method Details

getModulus

public BigInteger getModulus()

Get modulus

Returns:

Modulus

getExponent

public BigInteger getExponent()

Get exponent

Returns:

Exponent

getPublicKey

public Key getPublicKey()

Get public key

Returns:

Public key

getPrivateKey

public Key getPrivateKey()

Get private key

Returns:

Private key

encrypt

public String encrypt(String plaintext)
               throws IllegalBlockSizeException,
BadPaddingException,
InvalidKeyException

Encrypt text

Parameters:

plaintext - Text to encrypt

Returns:

encrypted text

Throws:

IllegalBlockSizeException - illegal block size exception

BadPaddingException - bad padding exception

InvalidKeyException - invalid key exception

decrypt

public String decrypt(String ciphertext,
 String encoding)
               throws IllegalBlockSizeException,
BadPaddingException,
InvalidKeyException

Decrypt text

Parameters:

ciphertext - Encrypted text

encoding - encoding

Returns:

Decrypted text

Throws:

IllegalBlockSizeException - illegal block size exception

BadPaddingException - bad padding exception

InvalidKeyException - invalid key exception