# GPG

> GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).

GnuPG allows you to encrypt and sign your data and communications; it features a versatile key management system, along with access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications. A wealth of frontend applications and libraries are available. GnuPG also provides support for S/MIME and Secure Shell (ssh).

[Official Documentation](https://gnupg.org/documentation)

## TIL(s)

* [Fix "Inappropriate ioctl for device" Error](/linux/gpg/fix-inappropriate-ioctl-for-device-error.md)
* [GPG Import Keys](/linux/gpg/gpg-import-keys.md)
* [GPG Test](/linux/gpg/gpg-test.md)
* [GPG Trust Key](/linux/gpg/gpg-trust-key.md)
* [GPG Verify Signature](/linux/gpg/gpg-verify-signature.md)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://til.devjugal.com/linux/gpg.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.