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Phactor is a high-performance PHP implementation of the elliptic curve math functions required to generate private/public EC keypairs and ECDSA signatures based on secp256k1 curve parameters. This library also includes a class to generate Service Identification Numbers (SINs) based on the published Identity Protocol v1 spec.

These PHP classes are designed to be used in conjunction with software used for Bitcoin-related cryptographic operations right now but the ultimate, long-range goal is to become a more general-purpose mathematics library that can also be used for scientific computing and other non-ecc cryptography projects - basically anywhere you need a convenient interface to arbitrary precision math functions implemented in PHP.

Welcome to the phactor wiki!