Password protected secret keeper
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commit a93295e50bbb8b76c652a24adf80aaf5c70bc15d
parent 4e2116da7d696a189eee862c570109a0fc4287f8
Author: z3bra <contactatz3bradotorg>
Date:   Wed, 27 Feb 2019 17:41:00 +0100

Add goals to the README

README | 42+++++++++++++++++++++++++++++++++++++++++-
1 file changed, 41 insertions(+), 1 deletion(-)

diff --git a/README b/README @@ -4,11 +4,17 @@ Store your secrets in an encrypted safe, protected by a password. ## usage - safe [-la] [secret..] + safe [-ad] [secret..] + + # list all your deepest secrets + safe # add a secret to your safe echo 'This is secret!' | safe -a secret + # start a safe agent + safe -d + # retrieve a secret from your safe safe secret @@ -19,5 +25,39 @@ Store your secrets in an encrypted safe, protected by a password. + Store any kind of file + Do not expose file hierarchy if locked +## design + +Your safe is stored on disk as a directory tree, with the following structure: + + .safe + .safe/.index + .safe/2a809d0bfb9e39c5abf2b8b5baee231043085d3172aaa0040317cffc02736d5e + .safe/ad2063741cce2d9f2862b07152b06528d175e9e658ade8f2daa416834c9c089a + +Where each hash represent a "secret". They're stored as hashes to hide +any kind of meta information about your secret. +These files are stored encrypted, using your master password. + +The .index file stores the actual names of your entries, so we can +calculate the hash in-memory. +This file is also stored encrypted. + +You can then retrieve secrets by requesting them, and typing your master +password to decrypt them. + +To make it more usable, the safe is accessible through an agent (let's +call it Edgard), which acts as a gatekeeper. +When you want to retrieve a secret, you ask Edgard for it, and he will +decrypt it for you on stdout. + +When you first call Edgard, he will ask you for your master password, +so he can decrypt the secrets for you. + +The password is stored hashed in memory, so nobody can "retrieve" your +master password. As this hash is kept in memory to decrypt the file, +giving your password to Edgard means that an intruder could extract +this hash, and thus decrypt your secrets. +If you're concerned about this, then don't call Edgard. + ## license This software is licensed under the ISC license, see the LICENSE file provided.