Crypto for Modern Object Pascal

Sockets with pure VB6 impl of TLS encryption

2key-ratchet is an implementation of a Double Ratchet protocol and X3DH in TypeScript utilizing WebCrypto.

Cryptographic Primitives for Blockchain Systems (solidity, cairo, C and rust)

A pure solidity implementation of elliptic curve math, parameterised for curve secp256r1 / prime256v1 / p256.

An elliptic curve library written in Swift 4

✍️ authn-sign - A simplified browser interface for WebAuthn focused on secp256r1 (P-256).

P256 (a.k.a. secp256r1 elliptic curve) signature verification 🐍Vyper contract.

contains some tests to recover and signatures of different ECs using solidity

libcrypton: a cryptography library on C++ for Neo blockchain ecosystem

Neo3 SDK in JS

an (unfinished) TLSv1.3 client in pure python, hand-rolled from first principles.

Elliptic Curve Cryptography for public key encryption and ECDSA. Elliptic Cryptography Diffie Hellman Key Exchange with AES algorithms are implmented as well as Sha512

Study material about elliptic curve cryptography and a toy implementation of the elliptic curve secp256r1.

Besu scripts for generating keys, genesis config with tls, r1 support. Generating docker-compose and kubernetes related network setups

🚧 redis rate limiter using wallexerr crypt contract wallets

WebAuthn library in Solidity

High-Performance Implementation for ECC

High perfomance, SIMD-accelerated BIP-32 HD key derivation library for .NET 8

RSA (Asymmetric) Crypto Wallet Implementations using ECC Curves