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CouchDB like salt and password generation with PBKDF2

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@sl-nx/couch-pwd

An up-to-date version of couch-pwd that is actually published.

Hash and compare passwords with the crypto's pbkdf2. Heavily inspired by node-pwd.

Uses the following values as defaults:

  • iterations = 10
  • keylen = 20
  • size = 16
  • encoding = 'hex'
  • digest = 'SHA1'

The resulting salt and password Strings are the same you'd get when you save a user to CouchDB and let CouchDB do all the hashing for you.

Module has two goals

  • verify user passwords without making requests to /_session API
  • use the same hashing algorithm for other databases

Installation

npm install couch-pwd

Example

On signup generate a salt / password hash, and save it somewhere:

var pwdModule = require('couch-pwd');
var pwd = new pwdModule();
pwd.hash('my password', function (err, salt, hash) {
  user.salt = salt;
  user.hash = hash;
});

To authenticate load and compare:

var pwdModule = require('couch-pwd');
var pwd = new pwdModule();
pwd.hash('submitted password', user.salt, function (err, hash) {
  if (user.hash == hash) {
    // yay
  }
});

License

MIT

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CouchDB like salt and password generation with PBKDF2

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