Ed25519 high-performance public-key signature system as a RubyGem (MRI C extension and JRuby Java extension)

Implementation of mathematical operations with big numbers and elliptic curve points for smart cards with JavaCard platform.

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

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

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

Solutions to https://cryptopals.com problems

Pure Java implementation of group operations on ristretto255 and Curve25519

Java library for Elliptic Curve Cryptography

java library providing the implementation of ECDSA and useful algebraic structures such as finite fields

Library providing mathematical basics for (pairing-based) cryptography.

ECDSA written with java, secp192k1, secp192r1, secp224k1,secp224r1,secp256k1,etc.

This is a sample implementation for Elliptic Curve Cryptography ElGamal (ECCEG) algorithm.

An implementation of ECDHE protocol

A synthetic Kotlin implementation of Curve25519. A fast Elliptic-curve Diffie-Hellman with Edwards curve Digital Signature Algorithm VRF support backed by Java code ported from C.

Tester of Eliptic curves support on smartcards with JavaCard platform

Java-based implementation of Bitcoin internals

Artifacts for the "Fooling primality tests on smartcards" paper at ESORICS 2020

The Mifare Classic EV1 tags provide an originality signature to proof that the NFC tag is genuine. The app is showing how to obtain the signature from the tag and verify the signature.

a fast big integer compute library

The Cryptography and Algebra Structures Java Library of University of Lleida