org.dromara.mendmix.common.crypt

类 RSA

java.lang.Object

org.dromara.mendmix.common.crypt.RSA

public class RSA
extends Object

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	RSA.RSAKeyPair

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 RSA.RSAKeyPair	generateKeyPair(int keySize) 生成RSA密匙对
static String[]	generateKeyStrPair(int keySize) 生成RSA密匙对
static RSAPrivateKey	getPrivateKey(String privateKey) 生成私钥
static RSAPublicKey	getPublicKey(String publicKey)
static PrivateKey	loadPrivateKey(File file) 从文件中加载私钥
static PrivateKey	loadPrivateKey(InputStream in) 从文件中加载私钥
static PrivateKey	loadPrivateKey(String priKeyString)
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
static PublicKey	loadPublicKey(File file) 从文件加载公钥
static PublicKey	loadPublicKey(InputStream in) 从文件中输入流中加载公钥
static PublicKey	loadPublicKey(String pubKeyString)
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)
static String	privateDecrypt(String data, RSAPrivateKey privateKey) 私钥解密
static String	publicEncrypt(String data, RSAPublicKey publicKey)

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 RSA.RSAKeyPair generateKeyPair(int keySize)

生成RSA密匙对

参数:

keySize -

返回:

RSAKeyPair

generateKeyStrPair

public static String[] generateKeyStrPair(int keySize)

生成RSA密匙对

参数:

keySize -

返回:

[pubkey,prikey]

loadPublicKey

public static PublicKey loadPublicKey(File file)

从文件加载公钥

参数:

file - 公钥文件

loadPublicKey

public static PublicKey loadPublicKey(InputStream in)

从文件中输入流中加载公钥

参数:

in - 公钥输入流

loadPublicKey

public static PublicKey loadPublicKey(String pubKeyString)

loadPrivateKey

public static PrivateKey loadPrivateKey(File file)

从文件中加载私钥

参数:

file - 私钥文件

loadPrivateKey

public static 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

loadPrivateKey

public static PrivateKey loadPrivateKey(String priKeyString)

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:

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)

privateDecrypt

public static String privateDecrypt(String data,
                                    RSAPrivateKey privateKey)

私钥解密

参数:

data -

privateKey -

返回:

publicEncrypt

public static String publicEncrypt(String data,
                                   RSAPublicKey publicKey)

getPrivateKey

public static RSAPrivateKey getPrivateKey(String privateKey)
                                   throws NoSuchAlgorithmException,
                                          InvalidKeySpecException

生成私钥

参数:

privateKey -

返回:

抛出:

NoSuchAlgorithmException

InvalidKeySpecException

getPublicKey

public static RSAPublicKey getPublicKey(String publicKey)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeySpecException

抛出:

NoSuchAlgorithmException

InvalidKeySpecException