Using GPG to encrypt and decrypt a file

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Published 2018-12-12

in this quick video you can see how to use GPG commands to encrypt and decypt a file.
- demo using GnuPG/GPG CLI
- GPG to encrypt and decrypt a (data) file
- Key lifecycle - Export and import keys (public and private keys)
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Install:
--------
apt-get install gnupg

List keys:
----------
gpg --list-secret-keys
gpg --list-keys

Generate keys:
-------------
gpg --full-generate-key
OR
gpg --gen-key

Export/Import keys:
-------------------
gpg --export -a Melvin > melvin_public.key
gpg --import melvin_public.key
gpg --export-secret-keys Melvin > melvin-private-key.key
gpg --import melvin-private-key.key

Encrypt & Decrypt
-----------------
gpg -e -r "Melvin" users.csv
gpg --always-trust -e -r "Melvin" users.csv

gpg -d users.csv.gpg
gpg --batch --passphrase demo users.csv.gpg

All Comments (21)

@machinarum 1 month ago

Great video! It goes straight to my library. I will share the link if someone asks me about the subject.
@philchapman7980 4 years ago

Thanks for the tutorial of GPG. By far it’s the best I have been able to find on the internet.
@ehabbustami7691 4 years ago

Thanks for clear and organized explanation for the GnuPG CLI.
@googlewalle8904 2 years ago

I work with Encryption Appliance solutions but never had the need to understand Exporting/Importing keys (due to separation of duties these days) and it really just helped me understand another important component where you can separate out the Private and Public keys and Encrypt files at another source. Excellent video Melvin and great job explaining it.
@fs8820 3 years ago

Liked, subscribed, bookmarked. That was the BEST, clearest demo. Thank you!
@egorshumanskii8026 5 years ago

Finally I get it. Thanks so much! Good job!
@FranciscoLegonDev 1 year ago

Thank you for such a clear step-by-step explanation. This is great content
@motivationadda163 4 years ago

OMG man you nailed it, i wasted days but this 18 min video saves me
@saarang4637 2 years ago

Fantastic video, to the point information. Thank you for helping me understand how to use gpg :)
@chrischiu2335 4 years ago

Thanks Melvin. It is a great tutorial for the gpg tutorial.
@michaelbenett410 1 month ago

Certified GOAT. thx a lot <3
@SelectFrom 3 years ago

Thank you a lot for the clear explanation!
@nagarocky 4 years ago

Great explanation. Simply superb. Thanks.
@douniazedbehloul5766 2 years ago

pretty cool ! and well explained thank you
@majorblazer9055 3 years ago

thanks so much and thanks for providing the examples, copy pasted to my cheat sheet :)
@borjonx 4 years ago

Thank you from 1.5 years later! Exactly what I needed. Clear, concise & to the point. Thank you also for having your commands pre-typed; that saves time & we can pause as necessary.
@gnuPirate 2 years ago

Great demo, thanks!
@cjbaezilla 4 years ago

Thank you very much Melvin
@8080VB 3 years ago

Thankyou so much Melvin 🎈⚡
@BernoTheSage 2 years ago

Thanks for this video, it's very helpful.