Passphrase generator based on diceware made available by the EFF.

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Lorca

Details

Lorca is a gem for generating passphrases based on the algorithm originally described in EFF Dice-Generated Passphrases. It uses EFF's long word list. The generator can be used from the command line interface, or added as a library.

Passphrases, unlike passwords, are meant to be memorized. Check out these links for a few ideas on how to memorize them:

Passphrases are great password manager keys.

Quick Start

Command line interface

Generate, and copy to clipboard, an 8-word passphrase.

$ lorca -p

As Lorca is only capable of writing to the clipboard, it's up to the user to paste it, and store it, somewhere safe.

For more details on how to use the CLI

$ lorca

System Requirements

*nix OS.
xsel or xclip (linux)
Ruby 2.4+

Installation

CLI

To use Lorca as a command line interface:

$ gem fetch lorca -v <version>
$ ruby -rdigest/sha2 -e "puts Digest::SHA512.new.hexdigest(File.read('lorca-<version>.gem'))"

Compare it with the hash in checksum/lorca-<version>.gem.sha512 to verify the integrity of the fetched gem. If the checksum matches

$ gem install lorca -v <version>

Gem

To use Lorca as a gem add it to the project's Gemfile:

gem "lorca"

And then run

$ bundle install

For details on the API check out the online documentation.

Updates

Subscribe to the update notification feed. Whenever there's a new release available read the ChangeLog.md for details on what changed since the last release.

CLI

Fetch and verify gem, as above,

$ gem fetch lorca -v <version>
$ ruby -rdigest/sha2 -e "puts Digest::SHA512.new.hexdigest(File.read('lorca-<version>.gem'))"

then

$ gem update lorca
$ gem cleanup lorca

Gem

$ bundle update lorca

ReadMe.md