93 Open source projects that are alternatives of or similar to btclib

Tests support and behavior of elliptic curve cryptography implementations on JavaCards (TYPE_EC_FP and TYPE_EC_F2M) and in selected software libraries.

Python code to implement various number theory, elliptic curve and finite field computations.

An elliptic curve library written in Swift 4

Python library for fast elliptic curve crypto

btclib: a python3 library for 'bitcoin cryptography'

No description or website provided.

Open-source implementation of a substantial portion of the API of Apple CryptoKit suitable for use on Linux platforms.

SillyProxy - Dynamic SNI based TLS proxy for terminating TLS (>=1.1) HTTP connections to multiple domains.

Crypt::LE - Let's Encrypt / Buypass / ACME client and library in Perl for obtaining free SSL certificates (inc. generating RSA/ECC keys and CSRs). HTTP/DNS verification is supported out of the box, easily extended with plugins, easily dockerized.

Javascript Object Signing and Encryption (JOSE) library - JWK, JWKS, JWS, JWE and JWT

Microchip AVR based smartcard/token with ECC and RSA cryptography

Mobile ID Sample Scripts

PHP Secure Communications Library

Pure Rust client for YubiHSM2 devices

Crypto for Modern Object Pascal

Compiler-free Python crypto library backed by the OS, supporting CPython and PyPy

TLS implementation in pure python, focused on interoperability testing

PHP library to generate BTC addresses and signatures from private keys.

The Illustrated TLS Connection: Every byte explained

Algorithms to re-compute a private key, to fake signatures and some other funny things with Bitcoin.

javascript ecdsa generator, specifically secp256k1 properties, using jordon form matrices

Rust language general purpose elliptic curve cryptography.

Google Cloud Platform IOT Core Examples

A simple Dart library for asymmetric encryption and digital signatures

Nayuki's implementation of cryptographic primitives used in Bitcoin.

Port of TweetNaCl cryptographic library to JavaScript

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures.

📡 An AX.25 packet radio chat protocol with support for digital signatures and binary compression. Like IRC over radio waves.

Elliptic Curve Cryptography playground/toolkit written in pure Python

Proves knowledge of an ECDSA-P256 signature under one of many public keys that are stored in a list.

Constant time pairing-based or elliptic curve based cryptography and digital signatures

Cryptographic signature algorithms: ECDSA, Ed25519

A simple, yet lightweight, fast elliptical curve cryptography library in kotlin.

Rust implementation of {t,n}-threshold ECDSA (elliptic curve digital signature algorithm).

Timing Attack on TLS' ECDSA signature

A simple library to recover the private key of ECDSA and DSA signatures sharing the same nonce k and therefore having identical signature parameter r

Public key cryptography library for Ruby providing the X25519 Diffie-Hellman function

Automatically create and renew website certificates for free using the Let's Encrypt certificate authority.

opmsg message encryption

OPTIGA™ Trust M Software Framework

Datagram Transport Layer Security (DTLS) client.

Practical Cryptography for Developers: Hashes, MAC, Key Derivation, DHKE, Symmetric and Asymmetric Ciphers, Public Key Cryptosystems, RSA, Elliptic Curves, ECC, secp256k1, ECDH, ECIES, Digital Signatures, ECDSA, EdDSA

The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES JSON Web Signature/Token in pure JavaScript.

A place for useful crypto-related resources plus some of my fav stuff

Interesting collected (leaked) encryption/decryption keys

Cross-platform Python bindings for libsecp256k1

Simple registration framework for OS X apps. DSA/ECDSA support. No OpenSSL required.

Software for "Quantum-Resistant Cryptosystems from Supersingular Elliptic Curve Isogenies"

Threshold Signature Scheme for ECDSA

gurvy implements Elliptic Curve Cryptography (+Pairing) for BLS12-381, BLS12-377, BW6-761, and BN256. Originally developed (and used) by gnark

Ed25519 signing, verification and encryption, decryption for arbitary files; like OpenBSD signifiy but with more functionality and written in Golang - only easier and simpler

Gotham city is a fully functional project to demonstrate real-life example of minimalist Bitcoin decentralized HD wallet using 2 party ECDSA

Javacard implementation of Curve25519 (prototype, work-in-progress)

Sign, verify, encrypt and decrypt using the Secure Enclave

a native library implementing secp256k1 purely for the crystal language.

JSON Web Token library

Windows Secure Shell Client With Support For Smart Cards & Certificates

Multi-provider digital signature library for Rust

Bindings to lib-secp256k1 for golang

sgxwallet is the first-ever opensource high-performance hardware secure crypto wallet that is based on Intel SGX technology. First opensource product on Intel SGX whitelist. Scales to 100,000+ transactions per second. Currently supports ETH and SKALE, and will support BTC in the future. Sgxwallet is under heavy development and use by SKALE network.