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/*
 * Copyright (C) 2022-2022 S.Violet
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Project GitHub: https://github.com/shepherdviolet/glacimon
 * Email: [email protected]
 */

package com.github.shepherdviolet.glacimon.java.crypto;

import com.github.shepherdviolet.glacimon.java.crypto.base.BaseCipher;

import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import java.io.File;
import java.io.IOException;
import java.security.*;
import java.security.cert.Certificate;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;

/**
 * 

RSA加密工具

* *

Cipher/Signature/MessageDigest线程不安全!!!

* *

PC端JDK默认加密填充方式为RSA/None/PKCS1Padding,Android默认为RSA/None/NoPadding

* *

* 性能测试: * 安卓单线程/RSA2048 * 密钥产生:766.3ms 签名:19.8ms 验签:0.7ms *

* * @author shepherdviolet */ public class RSACipher { /** * 签名算法:MD5withRSA */ public static final String SIGN_ALGORITHM_RSA_MD5 = "MD5withRSA"; /** * 签名算法:SHA1withRSA */ public static final String SIGN_ALGORITHM_RSA_SHA1 = "SHA1withRSA"; /** * 签名算法:SHA256withRSA */ public static final String SIGN_ALGORITHM_RSA_SHA256 = "SHA256withRSA"; /** * 加密算法:RSA + ECB/PKCS1Padding */ public static final String CRYPTO_ALGORITHM_RSA_ECB_PKCS1PADDING = "RSA/ECB/PKCS1Padding"; /** * 加密算法:RSA + ECB无填充 */ public static final String CRYPTO_ALGORITHM_RSA_ECB_NOPADDING = "RSA/ECB/NoPadding"; /** * 加密算法:RSA + 无填充 */ public static final String CRYPTO_ALGORITHM_RSA_NONE_NOPADDING = "RSA/None/NoPadding"; /** * 加密算法:RSA + 无填充 */ public static final String CRYPTO_ALGORITHM_RSA = "RSA"; /** * 创建签名的实例 * @param privateKey 私钥 * @param signAlgorithm 签名逻辑 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 */ public static Signature generateSignatureInstance(PrivateKey privateKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException { return BaseCipher.generateSignatureInstance(privateKey, signAlgorithm); } /** * 创建验签的实例 * @param publicKey 公钥 * @param signAlgorithm 签名逻辑 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 */ public static Signature generateSignatureInstance(PublicKey publicKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException { return BaseCipher.generateSignatureInstance(publicKey, signAlgorithm); } /** * 创建验签的实例 * @param certificate 证书 * @param signAlgorithm 签名逻辑 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 */ public static Signature generateSignatureInstance(Certificate certificate, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException { return BaseCipher.generateSignatureInstance(certificate, signAlgorithm); } /** * 用私钥对信息生成数字签名

* * @param data 需要签名的数据 * @param privateKey 私钥 * @param signAlgorithm 签名逻辑: RSACipher.SIGN_ALGORITHM_RSA_MD5 / RSACipher.SIGN_ALGORITHM_RSA_SHA1 * * @return 数字签名 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 * @throws SignatureException 签名异常 */ public static byte[] sign(byte[] data, PrivateKey privateKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException, SignatureException{ return BaseCipher.sign(data, privateKey, signAlgorithm); } /** *

用私钥对信息生成数字签名, 根据运行时环境选择使用NIO或IO方式

* * @param file 需要签名的文件 * @param privateKey 私钥 * @param signAlgorithm 签名逻辑: RSACipher.SIGN_ALGORITHM_RSA_MD5 / RSACipher.SIGN_ALGORITHM_RSA_SHA1 * * @return 数字签名 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 * @throws SignatureException 签名异常 */ public static byte[] sign(File file, PrivateKey privateKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException, SignatureException, IOException { return BaseCipher.sign(file, privateKey, signAlgorithm); } /** *

用私钥对信息生成数字签名(NIO)

* * 注意:非安卓平台使用该方法前, 请使用FileUtils.isMappedByteBufferCanClean()判断MappedByteBuffer是否能被手动回收, * 如果isMappedByteBufferCanClean返回false, 建议使用signIo, 否则操作后, 文件将在一段时间内无法被读写删除
* * 注意:安卓平台API11以上使用, API10以下会很慢
* * @param file 需要签名的文件 * @param privateKey 私钥 * @param signAlgorithm 签名逻辑: RSACipher.SIGN_ALGORITHM_RSA_MD5 / RSACipher.SIGN_ALGORITHM_RSA_SHA1 * * @return 数字签名 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 * @throws SignatureException 签名异常 */ public static byte[] signNio(File file, PrivateKey privateKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException, SignatureException, IOException { return BaseCipher.signNio(file, privateKey, signAlgorithm); } /** *

用私钥对信息生成数字签名(IO)

* * @param file 需要签名的文件 * @param privateKey 私钥 * @param signAlgorithm 签名逻辑: RSACipher.SIGN_ALGORITHM_RSA_MD5 / RSACipher.SIGN_ALGORITHM_RSA_SHA1 * * @return 数字签名 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 * @throws SignatureException 签名异常 */ public static byte[] signIo(File file, PrivateKey privateKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException, SignatureException, IOException { return BaseCipher.signIo(file, privateKey, signAlgorithm); } /** *

用公钥验证数字签名

* * @param data 被签名的数据 * @param sign 数字签名 * @param publicKey 公钥 * @param signAlgorithm 签名逻辑: RSACipher.SIGN_ALGORITHM_RSA_MD5 / RSACipher.SIGN_ALGORITHM_RSA_SHA1 * * @return true:数字签名有效 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 * @throws SignatureException 签名异常 * */ public static boolean verify(byte[] data, byte[] sign, PublicKey publicKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException, SignatureException{ return BaseCipher.verify(data, sign, publicKey, signAlgorithm); } /** *

用公钥验证数字签名, 根据运行时环境选择使用NIO或IO方式

* * @param file 被签名的文件 * @param sign 数字签名 * @param publicKey 公钥 * @param signAlgorithm 签名逻辑: RSACipher.SIGN_ALGORITHM_RSA_MD5 / RSACipher.SIGN_ALGORITHM_RSA_SHA1 * * @return true:数字签名有效 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 * @throws SignatureException 签名异常 */ public static boolean verify(File file, byte[] sign, PublicKey publicKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException, SignatureException, IOException { return BaseCipher.verify(file, sign, publicKey, signAlgorithm); } /** *

用公钥验证数字签名(NIO)

* * 注意:非安卓平台使用该方法前, 请使用FileUtils.isMappedByteBufferCanClean()判断MappedByteBuffer是否能被手动回收, * 如果isMappedByteBufferCanClean返回false, 建议使用verifyIo, 否则操作后, 文件将在一段时间内无法被读写删除
* * 注意:安卓平台API11以上使用, API10以下会很慢
* * @param file 被签名的文件 * @param sign 数字签名 * @param publicKey 公钥 * @param signAlgorithm 签名逻辑: RSACipher.SIGN_ALGORITHM_RSA_MD5 / RSACipher.SIGN_ALGORITHM_RSA_SHA1 * * @return true:数字签名有效 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 * @throws SignatureException 签名异常 * */ public static boolean verifyNio(File file, byte[] sign, PublicKey publicKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException, SignatureException, IOException { return BaseCipher.verifyNio(file, sign, publicKey, signAlgorithm); } /** *

用公钥验证数字签名(IO)

* * @param file 被签名的文件 * @param sign 数字签名 * @param publicKey 公钥 * @param signAlgorithm 签名逻辑: RSACipher.SIGN_ALGORITHM_RSA_MD5 / RSACipher.SIGN_ALGORITHM_RSA_SHA1 * * @return true:数字签名有效 * @throws NoSuchAlgorithmException 无效的signAlgorithm * @throws InvalidKeyException 无效的私钥 * @throws SignatureException 签名异常 * */ public static boolean verifyIo(File file, byte[] sign, PublicKey publicKey, String signAlgorithm) throws NoSuchAlgorithmException, InvalidKeyException, SignatureException, IOException { return BaseCipher.verifyIo(file, sign, publicKey, signAlgorithm); } /** *

私钥解密

* * @param data 已加密数据 * @param privateKey 私钥 * @param cryptoAlgorithm 加密算法/填充方式: RSACipher.CRYPTO_ALGORITHM_RSA_ECB_PKCS1 / RSACipher.CRYPTO_ALGORITHM_RSA_ECB_NOPADDING * * @return 解密的数据 * @throws NoSuchPaddingException 填充方式无效(cryptoAlgorithm) * @throws NoSuchAlgorithmException 加密算法无效(cryptoAlgorithm) * @throws InvalidKeyException 无效的私钥 * @throws BadPaddingException 填充错误(密码错误) * @throws IllegalBlockSizeException 无效的块大小(密码错误?) * @throws IOException IO错误 */ public static byte[] decrypt(byte[] data, RSAPrivateKey privateKey, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException{ return BaseCipher.decryptByRSAPrivateKey(data, privateKey, cryptoAlgorithm); } /** *

公钥加密

* * @param data 源数据 * @param publicKey 公钥 * @param cryptoAlgorithm 加密算法/填充方式: RSACipher.CRYPTO_ALGORITHM_RSA_ECB_PKCS1 / RSACipher.CRYPTO_ALGORITHM_RSA_ECB_NOPADDING * * @return 加密后的数据 * @throws NoSuchPaddingException 填充方式无效(cryptoAlgorithm) * @throws NoSuchAlgorithmException 加密算法无效(cryptoAlgorithm) * @throws InvalidKeyException 无效的私钥 * @throws BadPaddingException 填充错误(密码错误?) * @throws IllegalBlockSizeException 无效的块大小(密码错误?) * @throws IOException IO错误 */ public static byte[] encrypt(byte[] data, RSAPublicKey publicKey, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException{ return BaseCipher.encryptByRSAPublicKey(data, publicKey, cryptoAlgorithm); } /** *

公钥解密

* * @param data 已加密数据 * @param publicKey 公钥 * @param cryptoAlgorithm 加密算法/填充方式: RSACipher.CRYPTO_ALGORITHM_RSA_ECB_PKCS1 / RSACipher.CRYPTO_ALGORITHM_RSA_ECB_NOPADDING * * @return 解密的数据 * @throws NoSuchPaddingException 填充方式无效(cryptoAlgorithm) * @throws NoSuchAlgorithmException 加密算法无效(cryptoAlgorithm) * @throws InvalidKeyException 无效的私钥 * @throws BadPaddingException 填充错误(密码错误) * @throws IllegalBlockSizeException 无效的块大小(密码错误?) * @throws IOException IO错误 */ public static byte[] decrypt(byte[] data, RSAPublicKey publicKey, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException{ return BaseCipher.decryptByRSAPublicKey(data, publicKey, cryptoAlgorithm); } /** *

私钥加密

* * @param data 源数据 * @param privateKey 私钥 * @param cryptoAlgorithm 加密算法/填充方式: RSACipher.CRYPTO_ALGORITHM_RSA_ECB_PKCS1 / RSACipher.CRYPTO_ALGORITHM_RSA_ECB_NOPADDING * * @return 加密后的数据 * @throws NoSuchPaddingException 填充方式无效(cryptoAlgorithm) * @throws NoSuchAlgorithmException 加密算法无效(cryptoAlgorithm) * @throws InvalidKeyException 无效的私钥 * @throws BadPaddingException 填充错误(密码错误) * @throws IllegalBlockSizeException 无效的块大小(密码错误?) * @throws IOException IO错误 */ public static byte[] encrypt(byte[] data, RSAPrivateKey privateKey, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException{ return BaseCipher.encryptByRSAPrivateKey(data, privateKey, cryptoAlgorithm); } }




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