Command-line tool

paperkey

brew/paperkey

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Extract just secret information out of OpenPGP secret keys

Website

At a glance

Type

Command-line tool

Install on

macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

macOS

brew install paperkey

Linux

brew install paperkey

Take a specific secret key and generate a text file with the secret data

paperkey --secret-key path/to/secret_key.gpg --output path/to/secret_data.txt

Take the secret key data in `secret_data.txt` and combine it with the public key to reconstruct the secret key

paperkey --pubring path/to/public_key.gpg --secrets path/to/secret_data.txt --output secret_key.gpg

Export a specific secret key and generate a text file with the secret data

gpg --export-secret-key key | paperkey --output path/to/secret_data.txt

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