com.fr.privilege.filter.core

类 RSAUtils

java.lang.Object

com.fr.privilege.filter.core.RSAUtils

public class RSAUtils
extends java.lang.Object

构造器概要

构造器

构造器和说明
RSAUtils()

方法概要

方法

限定符和类型	方法和说明
static java.security.KeyPair	generateKeyPair(int keySize) * 生成密钥对 *
static java.security.interfaces.RSAPrivateKey	generateRSAPrivateKey(java.math.BigInteger modulus, java.math.BigInteger privateExponent) * 生成私钥 *
static java.security.interfaces.RSAPublicKey	generateRSAPublicKey(java.math.BigInteger modulus, java.math.BigInteger publicExponent) * 生成公钥 *
static byte[]	hexStringToBytes(java.lang.String hexString) Convert hex string to byte[]
static void	main(java.lang.String[] args) * *
static byte[]	sign(byte[] bytes, java.security.PrivateKey prikey) sign
static java.lang.String	toHexString(byte[] b) Convert byte[] to hex string
static boolean	verify(byte[] bytes, byte[] signbytes, java.security.PublicKey pubkey) varify

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

RSAUtils

public RSAUtils()

方法详细资料

generateKeyPair

public static java.security.KeyPair generateKeyPair(int keySize)
                                             throws java.lang.Exception

* 生成密钥对 *

抛出:

java.lang.Exception

generateRSAPublicKey

public static java.security.interfaces.RSAPublicKey generateRSAPublicKey(java.math.BigInteger modulus,
                                                         java.math.BigInteger publicExponent)
                                                                  throws java.lang.Exception

* 生成公钥 *

参数:

modulus - *

publicExponent - *

返回:

RSAPublicKey *

抛出:

java.lang.Exception

generateRSAPrivateKey

public static java.security.interfaces.RSAPrivateKey generateRSAPrivateKey(java.math.BigInteger modulus,
                                                           java.math.BigInteger privateExponent)
                                                                    throws java.lang.Exception

* 生成私钥 *

参数:

modulus - *

privateExponent - *

返回:

RSAPrivateKey *

抛出:

java.lang.Exception

sign

public static byte[] sign(byte[] bytes,
          java.security.PrivateKey prikey)
                   throws java.lang.Exception

sign

抛出:

java.lang.Exception

verify

public static boolean verify(byte[] bytes,
             byte[] signbytes,
             java.security.PublicKey pubkey)
                      throws java.lang.Exception

varify

抛出:

java.lang.Exception

toHexString

public static java.lang.String toHexString(byte[] b)

Convert byte[] to hex string

hexStringToBytes

public static byte[] hexStringToBytes(java.lang.String hexString)

Convert hex string to byte[]

参数:

hexString - the hex string

返回:

byte[]

main

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

* *

参数:

args - *

抛出:

java.lang.Exception