Privacy-focused encrypted email for everyone. All-in-one alternative to Gmail + Mailchimp + Sendgrid.

🛡 Make safest code in Android. (基于libsodium实现chacha20算法,key在native中,防止被二次打包){长期维护,请star,勿fork}

Real fucking shellcode encryptor & obfuscator tool

Ruby FFI binding to the Networking and Cryptography (NaCl) library (a.k.a. libsodium)

Encrypted personal archives

Audited & minimal JS implementation of Salsa20, ChaCha and AES

生成19位的Long ID、22位的短UUID、卡号、短卡号、带校验码卡号、激活码、付款码、数据加密、手机号加密、带失效时间的数字加密。生成器是分布式，支持多负载，无需数据库、redis或者zk作为ID分配的key。ID分配无需RPC调用，基于本地内存计算，结构简单，可靠性和性能比较高。

想曰 - 文本加密让你想曰就曰，曰你所想。 | Want to say - Text encryption allows you to express what you want to say and convey your thoughts.

The official implementation of the ChaCha20-BLAKE3 AEAD cipher with SIMD acceleration - https://kerkour.com/chacha20-blake3

Lean cryptographic library usable for bare-metal environments

ChaCha20 and XChaCha20 stream ciphers

Supernova 的中文版和扩展了一些加密方式（ROT, XOR, RC4, AES, CHACHA20, B64XOR, B64RC4, B64AES, B64CHACHA20）

Simple, fast CLI file encryption tool

Crystal wrapper for the libsodium crypto API

A Safety-Critical Utility Code

Implementation of hardware cores—including encryption, PRNGs, DSP modules, and accelerators—developed in pure Verilog for reference. Each design is validated against official specifications and supported with comprehensive testbenches.

A collection of high-level API's exposing PointyCastle to perform hashing and encrypting in popular/secure algorithms.

🔐 150+ Algorithms, Reactive GUI, and More: Text & File Encryption, Hashing, MAC, Key Generation, and Password Strength Evaluation. JCA, JCE with Bouncy Castle

智能抢课系统——适用于湾大正方教务管理系统的抢课系统。

rvault: secure and authenticated store for secrets and small documents

Deterministic/nonce-reuse resistant authenticated encryption scheme using XChaCha20, implemented on libsodium.

Pure python ChaCha20Poly1305 implementation

A simple, modern and secure file encryption tool, file format and Rust library

A fast crypto library for .NET

A C++ implementation of ChaCha20 & Poly1305 stream cipher described in RFC - 8439.

python prototype of PRE (Proxy Re-encryption) on Cloud storage and sharing

Fast, streaming file encryption for large media files and cloud uploads using modern cryptography.

Mobile Cipher library written in clean TypeScript

Managed .Net (.NET 8 and .NET 10) compatible ChaCha20 Cipher implementation (encryption and decryption) in C#

Standalone ChaCha20 Cipher implementation in C#