pbkdf2-sha512 is a PBDKF2 implementation using HMAC SHA512
npm install pbkdf2-sha512pbkdf2-sha512
=============
> Fork of pbkdf2-sha256 but
> for sha512.
pbkdf2-sha512 is a JavaScript implementation of PBKDF2 using the SHA512 HMAC. It's useful as the Scrypt algorithm uses this. It's fully compatible with Node.js and the browser (via Browserify).
http://cryptocoinjs.com/modules/crypto/pbkdf2-sha256/