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A website to encrypt and decrypt files offline in the Browser
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README.md

Crypttool

A website to encrypt and decrypt files offline in the Browser

This Project is more of a proof of concept than an actually useful Application, but it essentially wants to solve the Issue of sending and recieving encrypted Files via E-Mail or other means. The Idea of this Project is to do all of the Encryption client-side using Javascript or WebAssembly, so the Website will work without any Server and can be packaged as a single html file and distributed this way.

Ideally, I would like for this to be able to en/decrypt any content. A nice to have Feature would be to make it work in a "self-extracting" way, so you could basically generate a html file that prompts you for a password and decrypts its content.

Technology

This website is essentially a frontend to the Browsers SubtleCrypto cryptography API.

TODO

  • Make sure the cryptography is sound
  • Configuration options (Password length, type)
  • Passhphrase option