Digital signature GOST R 34.10-94

bridges any music player to Android OEM "Dynamic Island" clones

a simple command-line tool to pack and unpack pak files in chrome or chromium-based browser

A pure-JS module to read TLS client hello data and calculate TLS fingerprints from an incoming socket connection.

GOST cryptographic algorithms for Go — Streebog, Kuznyechik, Magma, GOST R 34.10-2012 signatures, MGM AEAD, VKO, KDF. Zero dependencies, constant-time, KAT-verified.

A tiny on-device waveform editor for Flipper Zero that trims RAW .sub captures down to just the part you care about.

Reference implementation of the Vershina digital signature (DSTU 9212:2023)

Reference implementation of the Skelya KEM (DSTU 8961:2019)

Pure PHP бібліотека цифрового підпису для ПРРО

Data for research of the Russian wanted list

twl - a large scientific work on whitelists

支持国密SM2/SM3/SM4/SM9/SSL的密码工具箱

Открытая реализация алгоритма ЭЦП Шиповник для ТК26

ProtogenOS for Arduino based Protogen heads

Auditable & minimal JS implementation of public-key post-quantum cryptography

A user-friendly Nostr client for exploring relay feeds

a very cool and dog-pilled fork (or rather, patchset) of Telegram Android

Authenticated Encryption with Associated Data Algorithms: high-level encryption ciphers

qUnleashed is a mobile-first Flutter manager for Flipper Zero, focused on extended Unleashed firmware support, firmware updates, BLE/USB connectivity, remote control, CLI access, and app management.

Keyfob Analysis Toolkit

Get Spotify tracks in true FLAC from Tidal, Qobuz & Amazon Music — no account required.

Warp is an agentic development environment, born out of the terminal.

Plasma 6 wallpaper plugin to play videos on your Desktop/Lock Screen.

Get the TOTP secrets exported by Google Authenticator

中华人民共和国密码行业标准(GM/T)文本

Browser-based national cipher demo — Camellia (Japan), ARIA (South Korea), SM4 (China), and Kuznyechik (Russia) side by side with AES. Encrypt/decrypt playgrounds, S-box analysis, and geopolitical …