How to find public keys of your friends and import them / GPG Keychain FAQ / Knowledge Base (2024)

OpenPGP keys can be exchanged in various ways with the most common being:

Key Server

To search for public keys on the key server, open GPG Keychain, press ⌘F (or click the Spotlight icon to Lookup Key). Type the email address for which you are looking for a public key and click Search.

How to find public keys of your friends and import them / GPG Keychain FAQ / Knowledge Base (1)

When a verified key for this email address exists you are asked to Import the public key:

How to find public keys of your friends and import them / GPG Keychain FAQ / Knowledge Base (2)

Optionally we recommend to verify public keys. This KB-article explains how to verify and sign a key.

Import key from asc or txt file

If you receive a public key in from of an asc or txt file, to import the key, drag the file in question into GPG Keychain. Make sure to never use .rtf .odt .doc .docx files to transfer keys or OpenPGP messages as that will render the key or message invalid. Should you receive a public key in such format, ask the key owner to resend the key in asc or txt format.

Import key from text form

To import, select the entire key from

-----BEGIN PGP PUBLIC KEY BLOCK-----

to

-----END PGP PUBLIC KEY BLOCK-----

then copy (⌘C) and paste (⌘V) the information into GPG Keychain to import the key.

How to find public keys of your friends and import them / GPG Keychain FAQ / Knowledge Base (2024)

FAQs

How to find public keys of your friends and import them / GPG Keychain FAQ / Knowledge Base? ›

To search for public keys on the key server

key server
In computer security, a key server is a computer that receives and then serves existing cryptographic keys to users or other programs. The users' programs can be running on the same network as the key server or on another networked computer.
https://en.wikipedia.org › wiki › Key_server_(cryptographic)
, open GPG Keychain, press ⌘F (or click the Spotlight icon to Lookup Key ). Type the email address for which you are looking for a public key and click Search . Optionally we recommend to verify public keys. This KB-article explains how to verify and sign a key.

How do I find my public key in GPG Keychain? ›

Locate your public key

After creating your key GPG Keychain lists both your public and secret key. Your own key is listed in bold and Type column shows sec/pub. Your friends public keys are listed as pub.

How do I import someone's public key? ›

After downloading a key, use the command gpg --import key. asc to add it to your keyring. To check that the process was successful, use the gpg --list-keys command; you should see your newly imported key listed on your keyring.

How to get the GPG public key? ›

To install GPG command line tools, see GnuPG's Download page.
  1. Open TerminalTerminalGit Bash.
  2. Use the gpg --list-secret-keys --keyid-format=long command to list the long form of the GPG keys for which you have both a public and private key. ...
  3. Check the command output to see if you have a GPG key pair.

How do I import keys into GPG Keychain? ›

After you receive a public key from somebody, you can import into your keychain. Select Import from the menu in GPG Keychain Access and select the public key that was sent to you. After importing a public key, you should verify that the key actually belongs to the person that you believe it belongs to.

How do I find someone's public key? ›

To search for public keys on the key server, open GPG Keychain, press ⌘F (or click the Spotlight icon to Lookup Key ). Type the email address for which you are looking for a public key and click Search . Optionally we recommend to verify public keys. This KB-article explains how to verify and sign a key.

How do I see my public key? ›

Command Prompt (for Windows 10 only)
  1. Open Command Prompt or Windows PowerShell.
  2. Issue the command: ssh-keygen.
  3. To view public key, navigate to C:\Users\<username>/.ssh/id_rsa.pub (see image below) or execute this command in the command prompt: more C:\Users\<username>/.ssh/id_rsa.pub.
Sep 13, 2022

What are gpg keys used for? ›

GPG stands for GNU Privacy Guard, an implementation of public key cryptography, which can be used both for the more standard operations of encryption keys (encrypt/decrypt), and for message verification via signature.

Where are gpg keys stored? ›

gnupg Directory. Your keys are stored in a directory called ". gnupg" in your home directory. This directory will also store the public keys of anyone that has sent encrypted files to you.

How do I generate my public key? ›

To generate an SSH private/public key pair for your use, you can use the ssh-keygen command-line utility. You can run the ssh-keygen command from the command line to generate an SSH private/public key pair. If you are using Windows, by default you may not have access to the ssh-keygen command.

How do I share my public GPG key? ›

If you want people to send you encrypted communication, you must share your GnuPG key with them. To share your key with a selected few people, export it and mail the resulting keyfile to them. To allow anyone to retrieve and use your public key, publish it on a key server.

Is GPG key public or private? ›

GnuPG uses public-key cryptography so that users may communicate securely. In a public-key system, each user has a pair of keys consisting of a private key and a public key. A user's private key is kept secret; it need never be revealed.

Where do I get my GPG key? ›

Generating a GPG key
  • Download and install the GPG command line tools for your operating system. ...
  • Open Terminal .
  • Generate a GPG key pair. ...
  • At the prompt, specify the kind of key you want, or press Enter to accept the default.
  • At the prompt, specify the key size you want, or press Enter to accept the default.

What is GPG import? ›

gpg --import public.key. This adds the public key in the file "public. key" to your public key ring.

How do I import passwords into keychain? ›

Import and export keychain items using Keychain Access on Mac
  1. In the Keychain Access app on your Mac, choose File > Import Items.
  2. Navigate to the keychain items file you want to import and select it.
  3. In the Destination Keychain pop-up menu, choose the keychain you want to import to, then click Open.

Where is the public key in GPG? ›

All GPG keys are stored in the "keyring", which is at ~/. gnupg or %AppData%/gnupg . Running gpg --version will show the path being used. The usual way of sharing keys is to export them to a file...

How do I find the key ID of my GPG key? ›

To find your GPG key ID, look in the ID column next to the newly created key. In most cases, if you are asked for the key ID, you should prepend 0x to the last 8 characters of the key ID, as in 0x6789ABCD .

How do I find my public key on Mac? ›

View your public key
  1. In the same Terminal window, type cat . ssh/id_rsa. pub . ...
  2. Copy this complete key, starting with ssh and ending with a username such as [email protected].
  3. Paste this public key into the SSH Key field on the CCDB website. Click Add Key.
Feb 7, 2022

Where is public key stored? ›

The public key is used by both the user and the remote server to encrypt messages. On the remote server side, it is saved in a public key file. On the user's side, it is stored in SSH key management software or in a file on their computer.

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