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

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

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

Pure Java implementation of group operations on ristretto255 and Curve25519

Java library for Elliptic Curve Cryptography

Java-based implementation of Bitcoin internals

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

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.

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

An experimental Pairing-based cryptography in Java

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

A simple java implementation of elliptic curves for educational purposes

Solutions to https://cryptopals.com problems

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

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

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.

An implementation of ECDHE protocol

A SunEC reimplementation

Math library, written in Java.