99 Open source projects that are alternatives of or similar to ECTester

a native library implementing secp256k1 purely for the crystal language.

PHP Secure Communications Library

Microchip AVR based smartcard/token with ECC and RSA cryptography

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

No description or website provided.

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

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

Python library for fast elliptic curve crypto

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

btclib: a python3 library for 'bitcoin cryptography'

An elliptic curve library written in Swift 4

btclib: a Python3 library for 'bitcoin cryptography'

Threshold Signature Scheme for ECDSA

TLS implementation in pure python, focused on interoperability testing

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

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

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.

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

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.

Mobile ID Sample Scripts

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

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

Timing Attack on TLS' ECDSA signature

Implementations of popular elliptic curves

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

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

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

A simple Dart library for asymmetric encryption and digital signatures

Crypto for Modern Object Pascal

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

JSON Web Token library

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

algebra arithmetic, finite fields, elliptic curves, zero-knowledge

VESvault End-to-End Encryption API: Encrypt Everything Without Fear of Losing the Key

Elliptic Curve Cryptography playground/toolkit written in pure Python

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

Rust language general purpose elliptic curve cryptography.

Windows Secure Shell Client With Support For Smart Cards & Certificates

Pure Rust client for YubiHSM2 devices

Bindings to lib-secp256k1 for golang

Google Cloud Platform IOT Core Examples

Cross-platform Python bindings for libsecp256k1

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

Nayuki's implementation of cryptographic primitives used in Bitcoin.

The Illustrated TLS Connection: Every byte explained

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

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

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.

Hash to curves - Rust reference implementation

Port of TweetNaCl cryptographic library to JavaScript

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

Datagram Transport Layer Security (DTLS) client.

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

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

Multi-provider digital signature library for Rust

OPTIGA™ Trust M Software Framework

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

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

Cryptographic signature algorithms: ECDSA, Ed25519

Interesting collected (leaked) encryption/decryption keys