org.coodex.util

类 RSACommon

java.lang.Object

org.coodex.util.RSACommon

public class RSACommon
extends Object

Created by davidoff shen on 2017-04-24.

构造器概要

构造器

构造器和说明
RSACommon()

方法概要

限定符和类型	方法和说明
static byte[]	decrypt(byte[] privateKey, byte[] content)
static byte[]	encrypt(byte[] publicKey, byte[] content)
static boolean	isKeyPair(byte[] publicKey, byte[] privateKey)
static byte[]	sign(byte[] privateKey, byte[] content)
static byte[]	sign(byte[] privateKey, byte[] content, String algorithm)
static boolean	verify(byte[] publicKey, byte[] content, byte[] signature)
static boolean	verify(byte[] publicKey, byte[] content, byte[] signature, String algorithm)

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

RSACommon

public RSACommon()

方法详细资料

isKeyPair

public static boolean isKeyPair(byte[] publicKey,
                                byte[] privateKey)
                         throws InvalidKeySpecException,
                                NoSuchAlgorithmException,
                                SignatureException,
                                InvalidKeyException

参数:

publicKey - publicKey

privateKey - privateKey

返回:

公私钥对是否匹配

抛出:

InvalidKeySpecException - InvalidKeySpecException

NoSuchAlgorithmException - NoSuchAlgorithmException

SignatureException - SignatureException

InvalidKeyException - InvalidKeyException

sign

public static byte[] sign(byte[] privateKey,
                          byte[] content)
                   throws InvalidKeySpecException,
                          NoSuchAlgorithmException,
                          InvalidKeyException,
                          SignatureException

参数:

privateKey - privateKey

content - content

返回:

私钥签名

抛出:

InvalidKeySpecException - InvalidKeySpecException

NoSuchAlgorithmException - NoSuchAlgorithmException

InvalidKeyException - InvalidKeyException

SignatureException - SignatureException

sign

public static byte[] sign(byte[] privateKey,
                          byte[] content,
                          String algorithm)
                   throws InvalidKeySpecException,
                          NoSuchAlgorithmException,
                          InvalidKeyException,
                          SignatureException

参数:

privateKey - privateKey

content - content

algorithm - algorithm

返回:

使用指定算法签名，默认SHA256withRSA

抛出:

InvalidKeySpecException - InvalidKeySpecException

NoSuchAlgorithmException - NoSuchAlgorithmException

InvalidKeyException - InvalidKeyException

SignatureException - SignatureException

verify

public static boolean verify(byte[] publicKey,
                             byte[] content,
                             byte[] signature)
                      throws InvalidKeySpecException,
                             NoSuchAlgorithmException,
                             InvalidKeyException,
                             SignatureException

抛出:

InvalidKeySpecException

NoSuchAlgorithmException

InvalidKeyException

SignatureException

verify

public static boolean verify(byte[] publicKey,
                             byte[] content,
                             byte[] signature,
                             String algorithm)
                      throws InvalidKeySpecException,
                             NoSuchAlgorithmException,
                             InvalidKeyException,
                             SignatureException

参数:

publicKey - publicKey

content - content

signature - signature

返回:

公钥验签

抛出:

InvalidKeySpecException - InvalidKeySpecException

NoSuchAlgorithmException - NoSuchAlgorithmException

InvalidKeyException - InvalidKeyException

SignatureException - SignatureException

encrypt

public static byte[] encrypt(byte[] publicKey,
                             byte[] content)
                      throws NoSuchPaddingException,
                             NoSuchAlgorithmException,
                             InvalidKeySpecException,
                             InvalidKeyException,
                             BadPaddingException,
                             IllegalBlockSizeException,
                             IOException

参数:

publicKey - publicKey

content - content

返回:

使用RSA公钥加密

抛出:

NoSuchPaddingException - NoSuchPaddingException

NoSuchAlgorithmException - NoSuchAlgorithmException

InvalidKeySpecException - InvalidKeySpecException

InvalidKeyException - InvalidKeyException

BadPaddingException - BadPaddingException

IllegalBlockSizeException - IllegalBlockSizeException

IOException - IOException

decrypt

public static byte[] decrypt(byte[] privateKey,
                             byte[] content)
                      throws NoSuchPaddingException,
                             NoSuchAlgorithmException,
                             InvalidKeySpecException,
                             InvalidKeyException,
                             BadPaddingException,
                             IllegalBlockSizeException,
                             IOException

参数:

privateKey - rivateKey

content - ontent

返回:

使用RSA私钥解密

抛出:

NoSuchPaddingException - NoSuchPaddingException

NoSuchAlgorithmException - NoSuchAlgorithmException

InvalidKeySpecException - InvalidKeySpecException

InvalidKeyException - InvalidKeyException

BadPaddingException - BadPaddingException

IllegalBlockSizeException - IllegalBlockSizeException

IOException - IOException