com.lehuipay.leona.utils

类 RSAEncrypt

java.lang.Object

com.lehuipay.leona.utils.RSAEncrypt

public class RSAEncrypt
extends Object

构造器概要

构造器

构造器和说明
RSAEncrypt()

方法概要

限定符和类型	方法和说明
static RSAPrivateKey	getPrivateKey(String privateKeyStr) 从字符串中加载私钥
static RSAPublicKey	getPublicKey(String publicKeyStr) 从字符串中加载公钥
static byte[]	privateDecrypt(RSAPrivateKey privateKey, byte[] cipherData) 私钥解密过程
static byte[]	privateEncrypt(RSAPrivateKey privateKey, String plainTextData) 私钥加密过程
static byte[]	publicDecrypt(RSAPublicKey publicKey, byte[] cipherData) 公钥解密过程
static byte[]	publicEncrypt(RSAPublicKey publicKey, String plainTextData) 公钥加密
static byte[]	sign(byte[] data, RSAPrivateKey privateKey) rsa签名
static boolean	verify(byte[] content, byte[] sign, RSAPublicKey publicKey) rsa验签

从类继承的方法 java.lang.Object

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

构造器详细资料

RSAEncrypt

public RSAEncrypt()

方法详细资料

getPublicKey

public static RSAPublicKey getPublicKey(String publicKeyStr)

从字符串中加载公钥

参数:

publicKeyStr - 公钥字符串

抛出:

IllegalArgumentException - 公钥格式非法

getPrivateKey

public static RSAPrivateKey getPrivateKey(String privateKeyStr)

从字符串中加载私钥

参数:

privateKeyStr - 私钥数据字符串

返回:

抛出:

IllegalArgumentException - 私钥格式非法

publicEncrypt

public static byte[] publicEncrypt(RSAPublicKey publicKey,
                                   String plainTextData)
                            throws InvalidKeyException,
                                   IllegalBlockSizeException,
                                   BadPaddingException

公钥加密

参数:

publicKey - 公钥

plainTextData - 明文数据

返回:

抛出:

InvalidKeyException

IllegalBlockSizeException

BadPaddingException

privateEncrypt

public static byte[] privateEncrypt(RSAPrivateKey privateKey,
                                    String plainTextData)
                             throws InvalidKeyException,
                                    IllegalBlockSizeException,
                                    BadPaddingException

私钥加密过程

参数:

privateKey - 私钥

plainTextData - 明文数据

返回:

私钥加密内容

抛出:

InvalidKeyException

IllegalBlockSizeException

BadPaddingException

privateDecrypt

public static byte[] privateDecrypt(RSAPrivateKey privateKey,
                                    byte[] cipherData)
                             throws InvalidKeyException,
                                    IllegalBlockSizeException,
                                    BadPaddingException

私钥解密过程

参数:

privateKey - 私钥

cipherData - 密文数据

返回:

明文

抛出:

InvalidKeyException

IllegalBlockSizeException

BadPaddingException

publicDecrypt

public static byte[] publicDecrypt(RSAPublicKey publicKey,
                                   byte[] cipherData)
                            throws InvalidKeyException,
                                   IllegalBlockSizeException,
                                   BadPaddingException

公钥解密过程

参数:

publicKey - 公钥

cipherData - 密文数据

返回:

明文

抛出:

InvalidKeyException

IllegalBlockSizeException

BadPaddingException

sign

public static byte[] sign(byte[] data,
                          RSAPrivateKey privateKey)
                   throws InvalidKeyException,
                          SignatureException

rsa签名

参数:

data - 原始数据

privateKey - 私钥

返回:

数据的签名

抛出:

InvalidKeyException

SignatureException

verify

public static boolean verify(byte[] content,
                             byte[] sign,
                             RSAPublicKey publicKey)
                      throws InvalidKeyException,
                             SignatureException

rsa验签

参数:

content - 数据

sign - 数据签名

publicKey - 公钥

返回:

RSA验签结果

抛出:

InvalidKeyException

SignatureException