cypherMe - Cypher your passwords ... and get two-factor paper passwords

by arne

Although more as a side project, daten&bass is proud to introduce cypherMe - a proof of concept app for client-side created two-factor paper passwords.

Idea

The idea goes back to this blog post by John Graham-Cumming: http://blog.jgc.org/2016/05/two-factor-paper-passwords.html

About

Two-factor paper passwords are save to write down. They might be considered as a means for an off-line, non-digital password manager.

cypherMe helps (de)cyphering without storing.

Implementaion

Demo: https://cypherme.daten-und-bass.io/

Open source: Source code and license

Stack: Server-side NodeJS for serving HTML, statelesss client-side Javascript for cyphers, and Docker for deployment.

Available cyphers: Caesar, Reverse Word, Reverse Word and Case, Vigenère.

Password transformations: Completedly client-side (via Javascript in browser).

Example

Password to encrypt: !2MySitePw§9

Cypher: Reverse word and case

Repititions: 2

The (encrypted) password: 9§WpETIsYm2!9§WpETIsYm2!

Further examples and information can be found here.