cn.cliveyuan.tools.common

Class RSATools

java.lang.Object

cn.cliveyuan.tools.common.RSATools

public class RSATools
extends Object

RSA 工具

1. 密钥生成
2. 加密/解密
3. 签名/验签

Constructor Summary

Constructors

Constructor and Description
RSATools()

Method Summary

Modifier and Type	Method and Description
static RsaResponse	cipher(RsaRequest request, int mode) 计算加解密
static RsaResponse	decrypt(RsaRequest request) 私钥解密
static String	decrypt(String data, String base64Key) 私钥解密
static String	decryptBase64(String data, String base64Key)
static RsaSignResponse	doSign(RsaSignRequest request) 签名/验签
static RsaResponse	encrypt(RsaRequest request) 公钥加密
static String	encrypt(String data, String base64Key) 公钥加密
static String	encryptBase64(String data, String base64Key)
static RSAKeyPair	generateKeyPair() 生成RSA公钥私钥 (RSA,2048)
static RSAKeyPair	generateKeyPair(GenerateKeyPairReq generateKeyPairReq) 生成RSA公钥私钥
static String	sign(String data, String privateKeyString) 用私钥对信息生成数字签名
static boolean	verifySign(String data, String sign, String publicKeyString) 验签

Methods inherited from class java.lang.Object

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

Constructor Detail

RSATools

public RSATools()

Method Detail

generateKeyPair

public static RSAKeyPair generateKeyPair()

生成RSA公钥私钥 (RSA,2048)

generateKeyPair

public static RSAKeyPair generateKeyPair(GenerateKeyPairReq generateKeyPairReq)

生成RSA公钥私钥

Parameters:

generateKeyPairReq - generateKeyPairReq

Returns:

verifySign

public static boolean verifySign(String data,
                                 String sign,
                                 String publicKeyString)

验签

Parameters:

data - 需要验证签名的数据字符串

sign - 签名字符串(长度：1024-->128 2048-->256)

publicKeyString - RSA公钥

Returns:

boolean true : 验证签名成功 false: 验证签名失败

sign

public static String sign(String data,
                          String privateKeyString)

用私钥对信息生成数字签名

Parameters:

data - 数据

privateKeyString - 私钥

Returns:

doSign

public static RsaSignResponse doSign(RsaSignRequest request)

签名/验签

Parameters:

request - 参数

Returns:

encrypt

public static RsaResponse encrypt(RsaRequest request)

公钥加密

Parameters:

request - 参数

Returns:

decrypt

public static RsaResponse decrypt(RsaRequest request)

私钥解密

Parameters:

request - 参数

Returns:

cipher

public static RsaResponse cipher(RsaRequest request,
                                 int mode)

计算加解密

Parameters:

request - 参数

mode - 模式

Returns:

encrypt

public static String encrypt(String data,
                             String base64Key)

公钥加密

Parameters:

data - 数据

base64Key - 公钥

Returns:

decrypt

public static String decrypt(String data,
                             String base64Key)

私钥解密

Parameters:

data - 数据

base64Key - 私钥

Returns:

encryptBase64

public static String encryptBase64(String data,
                                   String base64Key)

decryptBase64

public static String decryptBase64(String data,
                                   String base64Key)