🔥 Android developers should collect the following utils(updating).

Key management is hard

一款自动对字节码中的字符串进行加密Android插件工具

RSA public/private key generation, RSA, AES encryption/decryption, RSA sign/verify in Swift with CommonCrypto in iOS and OS X

Main repository with the code for the libraries and daemons

🔥 ( 持续更新，目前含 160+ 工具类 ) DevUtils 是一个 Android 工具库，主要根据不同功能模块，封装快捷使用的工具类及 API 方法调用。该项目尽可能的便于开发人员，快捷、高效开发安全可靠的项目。

高性能、跨平台的 PHP7 代码加密扩展 (A high performance and cross-platform encrypt extension for PHP source code)

"JSON Web Almost Everything" - JWA, JWS, JWE, JWK, JWT, JWKS for Node.js with minimal dependencies

Yet, just another hexo plugin for security.

coyim - a safe and secure chat client

👻Stowaway -- Multi-hop Proxy Tool for pentesters

NETCore encrypt and decrpty tool，Include aes，des，rsa，md5，sha1，sha256，sha384，sha512

A package for automatically encrypting and decrypting Eloquent attributes in Laravel 5.5+, based on configuration settings.

Dumps decrypted mach-o files from encrypted applications、framework or app extensions.

SpringBoot控制器统一的响应体加密与请求体解密的注解处理方式，支持MD5/SHA/AES/DES/RSA

CryptSync is a small utility that synchronizes two folders while encrypting the contents in one folder. That means one of the two folders has all files unencrypted (the files you work with) and the other folder has all the files encrypted.

Android app - (Deprecated) - New version: https://github.com/standardnotes/mobile

Android library to reveal or obfuscate strings and assets at runtime

Underlock makes it dead simple to encrypt and decrypt your data and files. It comes with little to no dependencies and has a very small API surface.

Transform your internal id's to obfuscated integers based on Knuth's integer hash. Laravel wrapper for the Optimus Library by Jens Segers with multiple connections support.

Laravel and Lumen Source Code Encrypter

en-crypt, de-crypt, si-gn, ve-rify - smime, pdf, xades and plain files in pure python

PASETO (Platform-Agnostic SEcurity TOkens) for Node.js with minimal dependencies

MyBatis Type Handlers for Encrypt

RSA+AES hybrid encryption implementation for JavaScript. Works with Node.js, React Native and modern browsers.

Simple backup script for GNU/Linux servers

Android 使用 so 文件存储私密数据，并增加签名防盗机制

Django model field encrypt/decrypt your data, keep secret in database.

加密猫：一个免费、开源的文件加密软件

提供一些加密算法java代码封装 包括 RSA/AES/DES/3DES/MD5/SHA/HmacSHA256