com.jeesuite.common.crypt

类 RSA

java.lang.Object

com.jeesuite.common.crypt.RSA

public class RSA
extends Object

构造器概要

构造器

构造器和说明
RSA()

方法概要

限定符和类型	方法和说明
static String	decrypt(PrivateKey key, byte[] encodedText) 解密
static String	decrypt(PrivateKey key, String encodedText)
static byte[]	encrypt(PublicKey key, byte[] plainBytes) 加密
static String	encrypt(PublicKey key, String plainText)
static void	generateKeyPair(String filePath) 随机生成密钥对
static PrivateKey	loadPrivateKey(byte[] keyBytes) 还原私钥，PKCS8EncodedKeySpec 用于构建私钥的规范
PrivateKey	loadPrivateKey(File file) 从文件中加载私钥
PrivateKey	loadPrivateKey(InputStream in) 从文件中加载私钥
static PrivateKey	loadPrivateKeyFromKeyStore(KeyStore keyStore, String alias, String keyPass) 从KeyStore获取私钥
static PrivateKey	loadPrivateKeyFromKeyStore(String location, String alias, String storeType, String storePass, String keyPass) 从KeyStore获取私钥
static PublicKey	loadPublicKey(byte[] keyBytes) 还原公钥，X509EncodedKeySpec 用于构建公钥的规范
PublicKey	loadPublicKey(File file) 从文件加载公钥
PublicKey	loadPublicKey(InputStream in) 从文件中输入流中加载公钥
static PublicKey	loadPublicKeyFromCert(String certPath) 从证书文件获取公钥
static PublicKey	loadPublicKeyFromKeyStore(KeyStore keyStore, String alias, String keyPass)
static PublicKey	loadPublicKeyFromKeyStore(String location, String alias, String storeType, String storePass, String keyPass) 从KeyStore获取公钥
static void	main(String[] args)

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

RSA

public RSA()

方法详细资料

main

public static void main(String[] args)
                 throws Exception

抛出:

Exception

generateKeyPair

public static void generateKeyPair(String filePath)

随机生成密钥对

loadPublicKey

public PublicKey loadPublicKey(File file)

从文件加载公钥

参数:

file - 公钥文件

loadPublicKey

public PublicKey loadPublicKey(InputStream in)

从文件中输入流中加载公钥

参数:

in - 公钥输入流

loadPrivateKey

public PrivateKey loadPrivateKey(File file)

从文件中加载私钥

参数:

file - 私钥文件

loadPrivateKey

public PrivateKey loadPrivateKey(InputStream in)

从文件中加载私钥

参数:

keyFileName - 私钥文件名

返回:

是否成功

loadPublicKey

public static PublicKey loadPublicKey(byte[] keyBytes)

还原公钥，X509EncodedKeySpec 用于构建公钥的规范

参数:

keyBytes -

返回:

loadPrivateKey

public static PrivateKey loadPrivateKey(byte[] keyBytes)

还原私钥，PKCS8EncodedKeySpec 用于构建私钥的规范

参数:

keyBytes -

返回:

loadPrivateKeyFromKeyStore

public static PrivateKey loadPrivateKeyFromKeyStore(String location,
                                                    String alias,
                                                    String storeType,
                                                    String storePass,
                                                    String keyPass)

从KeyStore获取私钥

参数:

location -

alias -

storeType -

storePass -

keyPass -

返回:

loadPrivateKeyFromKeyStore

public static PrivateKey loadPrivateKeyFromKeyStore(KeyStore keyStore,
                                                    String alias,
                                                    String keyPass)

从KeyStore获取私钥

参数:

location -

alias -

keyStore -

storePass -

keyPass -

返回:

loadPublicKeyFromKeyStore

public static PublicKey loadPublicKeyFromKeyStore(String location,
                                                  String alias,
                                                  String storeType,
                                                  String storePass,
                                                  String keyPass)

从KeyStore获取公钥

参数:

location -

alias -

storeType -

storePass -

keyPass -

返回:

loadPublicKeyFromKeyStore

public static PublicKey loadPublicKeyFromKeyStore(KeyStore keyStore,
                                                  String alias,
                                                  String keyPass)

参数:

keyStore -

alias -

keyPass -

返回:

loadPublicKeyFromCert

public static PublicKey loadPublicKeyFromCert(String certPath)
                                       throws CertificateException,
                                              FileNotFoundException

从证书文件获取公钥

参数:

certPath -

返回:

抛出:

CertificateException

FileNotFoundException

encrypt

public static byte[] encrypt(PublicKey key,
                             byte[] plainBytes)

加密

参数:

key -

plainBytes -

返回:

encrypt

public static String encrypt(PublicKey key,
                             String plainText)

decrypt

public static String decrypt(PrivateKey key,
                             byte[] encodedText)

解密

参数:

key -

encodedText -

返回:

decrypt

public static String decrypt(PrivateKey key,
                             String encodedText)