TLS/SSL and crypto library
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Updated
Jun 26, 2025 - C
Cryptography, or cryptology is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages.
TLS/SSL and crypto library
A modern, portable, easy to use crypto library.
An encrypted IPv6 network using public-key cryptography for address allocation and a distributed hash table for routing.
An implementation of the TLS/SSL protocols
A self-contained cryptographic library for Python
The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3!
The future of online communications.
A dead simple tool to sign files and verify digital signatures.
C library for prototyping and experimenting with quantum-resistant cryptography
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.
🔒 Trezor Firmware Monorepo
铜锁/Tongsuo is a Modern Cryptographic Primitives and Protocols Library
Python binding to the Networking and Cryptography (NaCl) library
A proof-of-concept cracker for cryptocurrency brainwallets and other low entropy key algorithms.
BitCracker is the first open source password cracking tool for memory units encrypted with BitLocker
Clean, portable, tested implementations of post-quantum cryptography