
nsd
High-performance authoritative DNS server with DNSSEC support, delivering RFC-compliant name resolution for secure and reliable production…

High-performance authoritative DNS server with DNSSEC support, delivering RFC-compliant name resolution for secure and reliable production…

Implementation of Kerberos, PKI, and ASN.1/DER providing authentication, authorization, and cryptographic services for secure networks.

Cyrus SASL API implementation providing client- and server-side authentication and authorization services via pluggable SASL mechanisms per RFC 4422.

C library implementing the SSH protocol for secure remote access, authentication, and encrypted communication. Includes fuzzing support via OSS-Fuzz…

A fast, modern alternative to OpenSSL's CLI - inspect, grade, and manage certificates from the terminal

Secure terminal chat. E2E encrypted, zero-metadata blind-forwarder server. PyNaCl XSalsa20-Poly1305 + Ed25519 + forward secrecy. Cross-platform…

TCP/UDP symmetric encryption tunnel wrapper

SSLScan tests SSL/TLS enabled services to discover supported cipher suites

End-to-end encrypted server-client chat application with adaptive encryption modes, multimedia support, and group chat, built on Python socket…

A better SSL cipher checker using gnutls

Zero-Trust SSH CA

A version of tinyDTLS that is refactored to be more easy to use "standalone" (e.g. without bindings to a specific IP-stack).

Secure (with AEAD) version of USTP, called USTP-Secure (ustps://)


druid_decode

Client-side browser extension providing AES-256-GCM encryption, X25519 key exchange, Ed25519 signatures, and zero-knowledge key management for secure…

Theory and implemantation of the TBP protocol to secure networked AI in small to open web networks

A secure, decentralized P2P ephemeral network in C++. Features a custom DHT, encrypted transport, and autonomous NAT traversal using high-performance…