Deterministic Bitcoin Address Generator

PHP usage:

• make sure you have PHP 5.3.2 or later installed
• make sure you have GMP 4.2.0 or later installed
• make sure you have GMP PHP extension installed
• require 'addrgen.php'; in your script
• use addr_from_mpk($mpk, $index) function
  • $mpk is your Master Public Key (64 bytes = 128 hex digits)
  • $index is numeric address index to use (0, 1, ...) (check test.php for usage example)

Python usage:

• install gmpy python package
• import addrgen in your script
• use addr_from_mpk(mpk, idx) function
  • mpk is your Master Public Key (64 bytes = 128 hex digits)
  • idx is numeric address index to use (0, 1, ...) (check test.py for usage example)

Ruby usage:

• make sure you have GMP 4.2.0 or later installed
• install bitcoin-addrgen via Rubygems (should install required ffi gem as well)
• require 'bitcoin-addrgen' in your script
• use BitcoinAddrgen.generate_public_address(mpk, idx) function
  • mpk is your Master Public Key (64 bytes = 128 hex digits)
  • idx is numeric address index to use (0, 1, ...)

Based on:

• Pure PHP Elliptic Curve Cryptography Library by Matej Danter https://github.com/mdanter/phpecc
• mpkgen by Chris Savery https://github.com/bkkcoins/misc/tree/master/mpkgen/php

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