framework.utils

类 RSAUtil

java.lang.Object

framework.utils.RSAUtil

public class RSAUtil
extends Object

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	RSAUtil.RSAItem

字段概要

字段

限定符和类型	字段和说明
static int	KEY_SIZE KEY SIZE 必要时在使用前修改

构造器概要

构造器

构造器和说明
RSAUtil()

方法概要

限定符和类型	方法和说明
static KeyPair	generateKey(String password) 生存rsa
void	generateKey(String publicKeyFilename, String privateKeyFilename, String password) 生存rsa公钥和密钥
void	generateKeyBase64(String publicKeyFilename, String privateKeyFilename, String password) 生存rsa公钥和密钥
static RSAUtil.RSAItem	generateNew(int length)
static byte[]	generatePublicKey(String password) 生存rsa公钥
PrivateKey	getPrivateKey(byte[] privateKey) 获取密钥
PrivateKey	getPrivateKey(String filename) 获取密钥
PrivateKey	getPrivateKeyFromBase64(String filename) 获取密钥
PublicKey	getPublicKey(byte[] publicKey) 获取公钥
PublicKey	getPublicKey(String filename) 获取公钥
PublicKey	getPublicKeyFromBase64(String filename) 获取公钥
static String	toBase64(byte[] b)
static byte[]	toBytes(String s)

从类继承的方法 java.lang.Object

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

字段详细资料

KEY_SIZE

public static int KEY_SIZE

KEY SIZE 必要时在使用前修改

构造器详细资料

RSAUtil

public RSAUtil()

方法详细资料

getPublicKey

public PublicKey getPublicKey(String filename)
                       throws Exception

获取公钥

参数:

filename -

返回:

抛出:

Exception

getPrivateKey

public PrivateKey getPrivateKey(String filename)
                         throws Exception

获取密钥

参数:

filename -

返回:

抛出:

Exception

getPublicKeyFromBase64

public PublicKey getPublicKeyFromBase64(String filename)
                                 throws Exception

获取公钥

参数:

filename -

返回:

抛出:

Exception

getPrivateKeyFromBase64

public PrivateKey getPrivateKeyFromBase64(String filename)
                                   throws Exception

获取密钥

参数:

filename -

返回:

抛出:

Exception

getPublicKey

public PublicKey getPublicKey(byte[] publicKey)
                       throws Exception

获取公钥

参数:

publicKey -

返回:

抛出:

Exception

getPrivateKey

public PrivateKey getPrivateKey(byte[] privateKey)
                         throws Exception

获取密钥

参数:

privateKey -

返回:

抛出:

Exception

generateKey

public void generateKey(String publicKeyFilename,
                        String privateKeyFilename,
                        String password)
                 throws IOException,
                        NoSuchAlgorithmException

生存rsa公钥和密钥

参数:

publicKeyFilename -

privateKeyFilename -

password -

抛出:

IOException

NoSuchAlgorithmException

generateKeyBase64

public void generateKeyBase64(String publicKeyFilename,
                              String privateKeyFilename,
                              String password)
                       throws IOException,
                              NoSuchAlgorithmException

生存rsa公钥和密钥

参数:

publicKeyFilename -

privateKeyFilename -

password -

抛出:

IOException

NoSuchAlgorithmException

generatePublicKey

public static byte[] generatePublicKey(String password)
                                throws NoSuchAlgorithmException

生存rsa公钥

参数:

password -

抛出:

IOException

NoSuchAlgorithmException

generateKey

public static KeyPair generateKey(String password)
                           throws NoSuchAlgorithmException

生存rsa

参数:

password -

抛出:

IOException

NoSuchAlgorithmException

toBase64

public static String toBase64(byte[] b)

toBytes

public static final byte[] toBytes(String s)

generateNew

public static final RSAUtil.RSAItem generateNew(int length)