net.ymate.platform.commons.util

Class CodecUtils.RSACodecHelper

java.lang.Object

net.ymate.platform.commons.util.CodecUtils.CodecHelper

net.ymate.platform.commons.util.CodecUtils.RSACodecHelper

Enclosing class:

CodecUtils

public static class CodecUtils.RSACodecHelper
extends CodecUtils.CodecHelper

Field Summary

Fields inherited from class net.ymate.platform.commons.util.CodecUtils.CodecHelper

CIPHER_ALGORITHM, KEY_ALGORITHM, KEY_SIZE

Constructor Summary

Constructors

Constructor and Description
RSACodecHelper(int keySize)
RSACodecHelper(int keySize, String cipherAlgorithm)
RSACodecHelper(int keySize, String signatureAlgorithm, Provider signatureAlgorithmProvider)
RSACodecHelper(int keySize, String cipherAlgorithm, Provider cipherAlgorithmProvider, String signatureAlgorithm, Provider signatureAlgorithmProvider)
RSACodecHelper(int keySize, String cipherAlgorithm, String signatureAlgorithm, Provider signatureAlgorithmProvider)

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(byte[] data, byte[] key) 解密数据
String	decrypt(String data, String key)
byte[]	decryptPublicKey(byte[] data, byte[] key)
String	decryptPublicKey(String data, String key)
byte[]	encrypt(byte[] data, byte[] key) 加密数据
String	encrypt(String data, String key)
byte[]	encryptPublicKey(byte[] data, byte[] key)
String	encryptPublicKey(String data, String key)
int	getMaxDecryptBlockSize()
int	getMaxEncryptBlockSize()
String	getRSAKey(Key rsaKey)
byte[]	initKey() 生成密钥
String	initKeyToString()
PairObject<RSAPublicKey,RSAPrivateKey>	initRSAKey()
CodecUtils.RSACodecHelper	maxDecryptBlockSize(int maxDecryptBlockSize)
CodecUtils.RSACodecHelper	maxEncryptBlockSize(int maxEncryptBlockSize)
byte[]	sign(byte[] data, String privateKey)
String	sign(String data, String privateKey)
boolean	verify(byte[] data, String publicKey, String sign)

Methods inherited from class net.ymate.platform.commons.util.CodecUtils.CodecHelper

getCipherInstance, toKey

Methods inherited from class java.lang.Object

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

Constructor Detail

RSACodecHelper

public RSACodecHelper(int keySize)

RSACodecHelper

public RSACodecHelper(int keySize,
                      String signatureAlgorithm,
                      Provider signatureAlgorithmProvider)

RSACodecHelper

public RSACodecHelper(int keySize,
                      String cipherAlgorithm)

RSACodecHelper

public RSACodecHelper(int keySize,
                      String cipherAlgorithm,
                      String signatureAlgorithm,
                      Provider signatureAlgorithmProvider)

RSACodecHelper

public RSACodecHelper(int keySize,
                      String cipherAlgorithm,
                      Provider cipherAlgorithmProvider,
                      String signatureAlgorithm,
                      Provider signatureAlgorithmProvider)

Method Detail

getMaxEncryptBlockSize

public int getMaxEncryptBlockSize()

maxEncryptBlockSize

public CodecUtils.RSACodecHelper maxEncryptBlockSize(int maxEncryptBlockSize)

getMaxDecryptBlockSize

public int getMaxDecryptBlockSize()

maxDecryptBlockSize

public CodecUtils.RSACodecHelper maxDecryptBlockSize(int maxDecryptBlockSize)

initKey

public byte[] initKey()
               throws Exception

Description copied from class: CodecUtils.CodecHelper

生成密钥

Overrides:

initKey in class CodecUtils.CodecHelper

Returns:

byte[] 二进制密钥

Throws:

Exception - if an error occurs.

initKeyToString

public String initKeyToString()
                       throws Exception

Overrides:

initKeyToString in class CodecUtils.CodecHelper

Throws:

Exception

initRSAKey

public PairObject<RSAPublicKey,RSAPrivateKey> initRSAKey()
                                                  throws Exception

Throws:

Exception

getRSAKey

public String getRSAKey(Key rsaKey)

sign

public String sign(String data,
                   String privateKey)
            throws Exception

Throws:

Exception

sign

public byte[] sign(byte[] data,
                   String privateKey)
            throws Exception

Throws:

Exception

verify

public boolean verify(byte[] data,
                      String publicKey,
                      String sign)
               throws Exception

Throws:

Exception

encrypt

public byte[] encrypt(byte[] data,
                      byte[] key)
               throws Exception

Description copied from class: CodecUtils.CodecHelper

加密数据

Overrides:

encrypt in class CodecUtils.CodecHelper

Parameters:

data - 待加密数据

key - 密钥

Returns:

byte[] 加密后的数据

Throws:

Exception - if an error occurs.

encrypt

public String encrypt(String data,
                      String key)
               throws Exception

Overrides:

encrypt in class CodecUtils.CodecHelper

Throws:

Exception

decrypt

public byte[] decrypt(byte[] data,
                      byte[] key)
               throws Exception

Description copied from class: CodecUtils.CodecHelper

解密数据

Overrides:

decrypt in class CodecUtils.CodecHelper

Parameters:

data - 待解密数据

key - 密钥

Returns:

byte[] 解密后的数据

Throws:

Exception - if an error occurs.

decrypt

public String decrypt(String data,
                      String key)
               throws Exception

Overrides:

decrypt in class CodecUtils.CodecHelper

Throws:

Exception

encryptPublicKey

public byte[] encryptPublicKey(byte[] data,
                               byte[] key)
                        throws Exception

Throws:

Exception

encryptPublicKey

public String encryptPublicKey(String data,
                               String key)
                        throws Exception

Throws:

Exception

decryptPublicKey

public byte[] decryptPublicKey(byte[] data,
                               byte[] key)
                        throws Exception

Throws:

Exception

decryptPublicKey

public String decryptPublicKey(String data,
                               String key)
                        throws Exception

Throws:

Exception