82 Open source projects that are alternatives of or similar to crypto-in-action

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

Experimental zero-knowledge proof compiler in Rust macros

Schnorr Protocol for Non-interactive Zero-Knowledge Proofs

A performant NumPy extension for Galois fields and their applications

An elliptic curve library written in Swift 4

An implementation of the Wickr Secure Messaging Protocol in C

Google Cloud Platform IOT Core Examples

Elliptic curve library secp256k1 wrapper for Ocaml

Abe-Ohkubo-Suzuki Linkable Ring Signatures

Pure Python from-scratch zero-dependency implementation of Bitcoin for educational purposes

Port of TweetNaCl cryptographic library to JavaScript

Fastest JS implementation of ed25519, x25519 & ristretto255. Independently audited, high-security, 0-dependency EDDSA signatures and ECDH key agreement

Bulletproofs are short non-interactive zero-knowledge proofs that require no trusted setup

Rust language general purpose elliptic curve cryptography.

NaCl-based Cryptographic Relay

2D orthogonal elliptic mesh generator which solves the Winslow partial differential equations

Optimised bilinear pairings over elliptic curves

Nayuki's implementation of cryptographic primitives used in Bitcoin.

DiffieHellman, Elgamal, ECDSA & STS with elliptic curve in python

goff (go finite field) is a unix-like tool that generates fast field arithmetic in Go.

Archived. Curve25519 support has been integrated into mirage-crypto-ec (via fiat-crypto). Hacl bindings are available from the hacl-star opam package. OCaml bindings for HACL* elliptic curves

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

A polymorphic interface for elliptic curve operations

BLS signature implementation

Python code and tests for the post 'Programming with Finite Fields'

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

btclib: a python3 library for 'bitcoin cryptography'

A pure-Rust implementation of group operations on Ristretto and Curve25519

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

Advanced crypto library for the Go language

FFLAS-FFPACK - Finite Field Linear Algebra Subroutines / Package

Generator and supporting evidence for security of the Tweedledum/Tweedledee pair of elliptic curves suitable for Halo

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

A Virtual Machine for Zero-Knowledge Executions

Compact JWT implementation in Rust

Cross-platform Python bindings for libsecp256k1

A golang implementation of Ed448-Goldilocks. This is a mirror of https://bugs.otr.im/otrv4/ed448

Finite fields for Julia

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

Bulletproofs and Bulletproofs+ Rust implementation for Aggregated Range Proofs over multiple elliptic curves

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

Hash to curves - Rust reference implementation

Set of JavaScript based tools and Ethereum Solidity contracts for BulletProof based range proofs and confidential transactions

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

Nim implementation of BLS signature scheme (Boneh-Lynn-Shacham) over Barreto-Lynn-Scott (BLS) curve BLS12-381

Geometric Algebra Library

Hazmat ECC arithmetic for Cryptography.io

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 library for ed25519 and curve25519

An implementation of Mike Hamburg's Ed448 (Goldilocks) curve - derived from libdecaf. This is a mirror of https://bugs.otr.im/otrv4/libgoldilocks

Standard curve database.

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

Supporting evidence for security of the Jubjub curve to be used in Zcash

The Illustrated TLS Connection: Every byte explained

opmsg message encryption

Implementations of popular elliptic curves

btclib: a Python3 library for 'bitcoin cryptography'

🕸️ Graphs, finite fields and discrete dynamical systems in Kotlin

Python library for fast elliptic curve crypto

Sign, verify, encrypt and decrypt using the Secure Enclave