Android数字签名-阿里云

安卓逆向 -- 算法基础(数字签名)

一、数字签名数字签名的基础是公钥和私钥的非对称加密，发送者使用私钥加密消息摘要（签名），接收者使用公钥解密消息摘要以验证签名是否是某个人的。常见的有MD5withRSA，SHA256withRSA 二、Java版 public stat...

Android和iOS应用程序加固方法详解：混淆、加壳、数据加密、动态加载和数字签名实现

APP 加固方式iOSAPP 加固是优化 iOS安全性的一种方法，常见的加固方式有混淆代码、加壳、数据加密、动态加载等。下面介绍一下 Android APP 加固的具体实现方式。混淆代码：使用 IPAguard工具可以对代码进行混淆，使得反编译出来的代码很难阅读和理解。使用方式：在 build.gr...

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安卓逆向 -- 算法基础(数字签名)

一、数字签名数字签名的基础是公钥和私钥的非对称加密，发送者使用私钥加密消息摘要（签名），接收者使用公钥解密消息摘要以验证签名是否是某个人的。常见的有MD5withRSA，SHA256withRSA二、Java版public static String pubkey="MIGfMA0GCSqGS...

Android--数字签名和数字证书

一、数字签名 1. 概述数字签名是非对称加密与数字摘要的组合应用 2. 应用场景校验用户身份（使用私钥签名，公钥校验，只要用公钥能校验通过，则该信息一定是私钥持有者发布的）校验数据的完整性（用解密后的消息摘要跟原文的消息摘要进行对比） 3. 签名过程 “发送报文时，发送方用一个哈希函数从报文文...

Android/Ophone应用程序数字签名

前两天搞了个应用到MM上去，结果与测试通不过，原因是“应用程序证书有效期不足1年”，结果才发现，上传的应用程序忘记签名了。为Android/Ophone应用程序签名步骤： 1.确保电脑上安装了JDK，因为我们将使用JDK自带的创建和管理数字证书的工具Keytool。在命令行下输入如下命令： key...

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更新时间 2024-03-02 09:06:57

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