With the 0.5.0 version just released, crytto now allows file sharing (e.g., via email) by sharing public keys:
encrypt_send -o /tmp/my-secret.enc \ -p /home/marco/.ssh/my-key.pub \ ./my-secret.doc
This generates an encrypted file (in the location specified with the -o option) and an equally encrypted “passphrase” which can then be sent (ideally via a separate sharing mechanism; although, as it is securely encrypted, it could be sent alongside the encrypted file).
Upon receiving both, the owner of the my-key.pem secret file, using the crytto tools, can simply decrypt it with:
decrypt -s /tmp/pass-key-145207.enc \
-o ~/Documents/my-secret.doc \
~/Downloads/my-secret.enc
Sensible defaults are applied if any of the non-mandatory options (like the -o) are omitted.
To install, simply execute:
pip install -U crytto
and make sure that release 0.5.0 is applied.
The README has more information.
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