LinkFuture.Init.Extensions

Class SecurityExtension

java.lang.Object

LinkFuture.Init.Extensions.SecurityExtension

public class SecurityExtension
extends Object

Created by Cyokin on 5/4/2014.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SecurityExtension.Ciphertext
static class	SecurityExtension.RSAKey

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALGORITHM

Constructor Summary

Constructors

Constructor and Description
SecurityExtension()

Method Summary

Modifier and Type	Method and Description
static String	DESDecrypt(String input, String encryptionKey)
static String	DESDecrypt(String encryptionSchema, String input, String encryptionKey, String encoding) DESDecrypt
static String	DESEncrypt(String input, String encryptionKey)
static String	DESEncrypt(String encryptionSchema, String input, String encryptionKey, String encoding) DESEncrypt
static PublicKey	getPublicKeyFromBase64(String base64PublicKeyFile)
static PublicKey	getPublicKeyFromHex(String hexPublicKey)
static String	RSADecrypt(BigInteger text, PrivateKey key)
static String	RSADecrypt(byte[] text, PrivateKey key)
static String	RSADecryptFromBase64(String base64Text, PrivateKey key)
static String	RSADecryptFromHex(String hexText, PrivateKey key)
static SecurityExtension.Ciphertext	RSAEncrypt(byte[] text, PublicKey key)
static SecurityExtension.Ciphertext	RSAEncrypt(String text, PublicKey key)
static SecurityExtension.RSAKey	RSAGenerateKey(int keySize) RSAGenerateKey
static void	RSAGenerateKey(int keySize, File privateKeyFile, File publicKeyFile)
static PrivateKey	RSAGetPrivateKey(byte[] privateKeyBinary)
static PrivateKey	RSAGetPrivateKey(File privateKeyFile)
static PrivateKey	RSAGetPrivateKeyFromBase64(String base64PrivateKey)
static PrivateKey	RSAGetPrivateKeyFromHex(String hexPrivateKey)
static PublicKey	RSAGetPublicKey(byte[] publicKeyBinary)
static PublicKey	RSAGetPublicKey(File publicKeyFile)

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM

public static final String ALGORITHM

See Also:

Constant Field Values

Constructor Detail

SecurityExtension

public SecurityExtension()

Method Detail

DESEncrypt

public static String DESEncrypt(String input,
                                String encryptionKey)

DESEncrypt

public static String DESEncrypt(String encryptionSchema,
                                String input,
                                String encryptionKey,
                                String encoding)

DESEncrypt

Parameters:

encryptionSchema - DES or DESede

input - input string

encryptionKey - key

encoding - utf-8

Returns:

encrypted string

DESDecrypt

public static String DESDecrypt(String input,
                                String encryptionKey)

DESDecrypt

public static String DESDecrypt(String encryptionSchema,
                                String input,
                                String encryptionKey,
                                String encoding)

DESDecrypt

Parameters:

encryptionSchema - DES or DESede

input - input string

encryptionKey - key

encoding - utf-8

Returns:

original string

RSAGenerateKey

public static void RSAGenerateKey(int keySize,
                                  File privateKeyFile,
                                  File publicKeyFile)
                           throws NoSuchAlgorithmException,
                                  IOException

Throws:

NoSuchAlgorithmException

IOException

RSAGenerateKey

public static SecurityExtension.RSAKey RSAGenerateKey(int keySize)
                                               throws NoSuchAlgorithmException

RSAGenerateKey

Parameters:

keySize - 512 or 1024, depends on your encrypt string length

Returns:

RSAKey

Throws:

NoSuchAlgorithmException

RSAGetPublicKey

public static PublicKey RSAGetPublicKey(byte[] publicKeyBinary)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeySpecException

RSAGetPublicKey

public static PublicKey RSAGetPublicKey(File publicKeyFile)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeySpecException,
                                        IOException,
                                        ClassNotFoundException

Throws:

NoSuchAlgorithmException

InvalidKeySpecException

IOException

ClassNotFoundException

getPublicKeyFromBase64

public static PublicKey getPublicKeyFromBase64(String base64PublicKeyFile)
                                        throws IOException,
                                               ClassNotFoundException,
                                               InvalidKeySpecException,
                                               NoSuchAlgorithmException

Throws:

IOException

ClassNotFoundException

InvalidKeySpecException

NoSuchAlgorithmException

getPublicKeyFromHex

public static PublicKey getPublicKeyFromHex(String hexPublicKey)
                                     throws IOException,
                                            ClassNotFoundException,
                                            InvalidKeySpecException,
                                            NoSuchAlgorithmException

Throws:

IOException

ClassNotFoundException

InvalidKeySpecException

NoSuchAlgorithmException

RSAEncrypt

public static SecurityExtension.Ciphertext RSAEncrypt(String text,
                                                      PublicKey key)
                                               throws NoSuchPaddingException,
                                                      NoSuchAlgorithmException,
                                                      InvalidKeyException,
                                                      UnsupportedEncodingException,
                                                      BadPaddingException,
                                                      IllegalBlockSizeException

Throws:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

UnsupportedEncodingException

BadPaddingException

IllegalBlockSizeException

RSAEncrypt

public static SecurityExtension.Ciphertext RSAEncrypt(byte[] text,
                                                      PublicKey key)
                                               throws NoSuchPaddingException,
                                                      NoSuchAlgorithmException,
                                                      InvalidKeyException,
                                                      UnsupportedEncodingException,
                                                      BadPaddingException,
                                                      IllegalBlockSizeException

Throws:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

UnsupportedEncodingException

BadPaddingException

IllegalBlockSizeException

RSAGetPrivateKey

public static PrivateKey RSAGetPrivateKey(File privateKeyFile)
                                   throws IOException,
                                          ClassNotFoundException

Throws:

IOException

ClassNotFoundException

RSAGetPrivateKey

public static PrivateKey RSAGetPrivateKey(byte[] privateKeyBinary)
                                   throws IOException,
                                          ClassNotFoundException,
                                          InvalidKeySpecException,
                                          NoSuchAlgorithmException

Throws:

IOException

ClassNotFoundException

InvalidKeySpecException

NoSuchAlgorithmException

RSAGetPrivateKeyFromBase64

public static PrivateKey RSAGetPrivateKeyFromBase64(String base64PrivateKey)
                                             throws IOException,
                                                    ClassNotFoundException,
                                                    InvalidKeySpecException,
                                                    NoSuchAlgorithmException

Throws:

IOException

ClassNotFoundException

InvalidKeySpecException

NoSuchAlgorithmException

RSAGetPrivateKeyFromHex

public static PrivateKey RSAGetPrivateKeyFromHex(String hexPrivateKey)
                                          throws IOException,
                                                 ClassNotFoundException,
                                                 InvalidKeySpecException,
                                                 NoSuchAlgorithmException

Throws:

IOException

ClassNotFoundException

InvalidKeySpecException

NoSuchAlgorithmException

RSADecryptFromBase64

public static String RSADecryptFromBase64(String base64Text,
                                          PrivateKey key)
                                   throws UnsupportedEncodingException,
                                          BadPaddingException,
                                          IllegalBlockSizeException,
                                          NoSuchPaddingException,
                                          NoSuchAlgorithmException,
                                          InvalidKeyException

Throws:

UnsupportedEncodingException

BadPaddingException

IllegalBlockSizeException

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

RSADecryptFromHex

public static String RSADecryptFromHex(String hexText,
                                       PrivateKey key)
                                throws UnsupportedEncodingException,
                                       BadPaddingException,
                                       IllegalBlockSizeException,
                                       NoSuchPaddingException,
                                       NoSuchAlgorithmException,
                                       InvalidKeyException

Throws:

UnsupportedEncodingException

BadPaddingException

IllegalBlockSizeException

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

RSADecrypt

public static String RSADecrypt(byte[] text,
                                PrivateKey key)
                         throws UnsupportedEncodingException,
                                BadPaddingException,
                                IllegalBlockSizeException,
                                NoSuchPaddingException,
                                NoSuchAlgorithmException,
                                InvalidKeyException

Throws:

UnsupportedEncodingException

BadPaddingException

IllegalBlockSizeException

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

RSADecrypt

public static String RSADecrypt(BigInteger text,
                                PrivateKey key)
                         throws UnsupportedEncodingException,
                                BadPaddingException,
                                IllegalBlockSizeException,
                                NoSuchPaddingException,
                                NoSuchAlgorithmException,
                                InvalidKeyException

Throws:

UnsupportedEncodingException

BadPaddingException

IllegalBlockSizeException

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException