com.gitee.cliveyuan.tools.codec

Class RSATools

java.lang.Object

com.gitee.cliveyuan.tools.codec.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 byte[]	decrypt(RSARequest rsaRequest) 用私钥解密
static String	decrypt(String data, String privateKeyStr) 解密
static byte[]	encrypt(RSARequest rsaRequest) 用公钥加密
static String	encrypt(String data, String publicKeyStr) 加密
static RSAKeyPair	generateKeyPair() 生成RSA公钥私钥
static RSAKeyPair	generateKeyPair(GenerateKeyPairReq generateKeyPairReq) 生成RSA公钥私钥
static String	sign(RSASignReq rsaSignReq) 用私钥对信息生成数字签名
static String	sign(String data, String privateKeyString) 用私钥对信息生成数字签名
static boolean	verifySign(RSAVerifySignReq rsaVerifySignReq) 验签
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

generateKeyPair

public static RSAKeyPair generateKeyPair(GenerateKeyPairReq generateKeyPairReq)
                                  throws NoSuchAlgorithmException

生成RSA公钥私钥

Parameters:

generateKeyPairReq - generateKeyPairReq

Returns:

Throws:

NoSuchAlgorithmException

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

verifySign

public static boolean verifySign(RSAVerifySignReq rsaVerifySignReq)

验签

Parameters:

rsaVerifySignReq - rsaVerifySignReq

Returns:

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:

sign

public static String sign(RSASignReq rsaSignReq)

用私钥对信息生成数字签名

Parameters:

rsaSignReq - rsaSignReq

Returns:

encrypt

public static byte[] encrypt(RSARequest rsaRequest)

用公钥加密

Returns:

encrypt

public static String encrypt(String data,
                             String publicKeyStr)

加密

Parameters:

data - 数据

publicKeyStr - 公钥

Returns:

decrypt

public static byte[] decrypt(RSARequest rsaRequest)

用私钥解密

Returns:

decrypt

public static String decrypt(String data,
                             String privateKeyStr)

解密

Parameters:

data - 数据

privateKeyStr - 私钥

Returns: