从原始的brainwallet分叉，添加了密码强度检查器_J.zip

Brainwallet =========== https://bypassfuture.github.io <b> Forked from original brainwallet , passphrase strength checker added </b> JavaScript Client-Side Bitcoin Address Generator Notable features ---------------- * Online converter, including Base58 decoder and encoder * OpenSSL point conversion and compressed keys support * Armory and Electrum deterministic wallets implementation * RFC 1751 JavaScript implementation * Bitcoin transactions editor * Signing and verifying messages with bitcoin address * Litecoin support