gpg smart card ssh SSH authentication using a GPG smart card. To configure your system to use a GPG smart card for SSH authentication, visit the appropriate link below: Linux. macOS.
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0 · Using GPG with Smart Cards
1 · Smart card authentication with SSH
2 · SSH authentication using a GPG smart card on Windows
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SSH authentication using a GPG smart card on Windows. The YubiKey 4 and YubiKey NEO support the OpenPGP interface for smart cards which can be used with GPG4Win for .gpg --import . Retrieve the public key id: gpg --list .On GnuPG 2.0.x, when you run gpg-agent with enable-ssh-support so that it takes .SSH authentication using a GPG smart card on Windows. The YubiKey 4 and YubiKey NEO support the OpenPGP interface for smart cards which can be used with GPG4Win for encryption and signing, as well as for SSH authentication. These in turn can be used by several other useful tools, like Git, pass, etc. This guide will help you set up the required .
Unfortunately, despite existing for over a decade, it’s been difficult to find comprehensive information about setting up and using smart cards, for use with GPG and SSH, under Linux, Windows and OSX. This article is heavily based on “ Offline GnuPG Master Key and Subkeys on YubiKey NEO Smartcard ” by Simon Josefsson.
SSH authentication using a GPG smart card. To configure your system to use a GPG smart card for SSH authentication, visit the appropriate link below: Linux. macOS.gpg --import . Retrieve the public key id: gpg --list-public-keys. Export the SSH public key: gpg --export-ssh-key . Copy the public SSH key to a file - it corresponds to the secret key on YubiKey and can be copied to SSH destination hosts. SSH is configured to use the smart card socket for authentication, and authenticating with the GPG key with Authentication capabilities work fine. ssh-add -l 2048 SHA256:ey5VPl70RKvXSdaon6ugxiO1ZrzqxJwz7VWZM7zvN/c cardno:000607329647 (RSA)
You can create an "authentication" key pair in gpg and use that, actually - most useful when you have a "smart card" (usually USB these days) and can thus carry around your ssh keys. –
On GnuPG 2.0.x, when you run gpg-agent with enable-ssh-support so that it takes over for ssh-agent, your smartcard's Authenticate subkey should automatically be recognized as a valid SSH key and become available for the SSH client to use as an identity. But you might have trouble getting it to work, so here are some extra steps which can assist .How to use GPG smart cards https://git.nb.zone/nb/ssh-gpg-smartcard-config or https://da.gd/smartcards This repository has instructions for Linux, macOS, and Windows This document will get you step by step through the generation of a GPG smartcard key, with the correct subkeys for use on a smartcard like OpenPGP smartcard or the Yubikey. This will also allow you to use your GPG Authentication subkey for SSH support.To use Secure Shell, you need to install openssh-clients. To work with the smart cards, there are several tools available, that will be also useful, but they are not required for the smart card usage itself: p11tool and certtool. provided by gnutls-utils package. for .
SSH authentication using a GPG smart card on Windows. The YubiKey 4 and YubiKey NEO support the OpenPGP interface for smart cards which can be used with GPG4Win for encryption and signing, as well as for SSH authentication. These in turn can be used by several other useful tools, like Git, pass, etc. This guide will help you set up the required . Unfortunately, despite existing for over a decade, it’s been difficult to find comprehensive information about setting up and using smart cards, for use with GPG and SSH, under Linux, Windows and OSX. This article is heavily based on “ Offline GnuPG Master Key and Subkeys on YubiKey NEO Smartcard ” by Simon Josefsson.SSH authentication using a GPG smart card. To configure your system to use a GPG smart card for SSH authentication, visit the appropriate link below: Linux. macOS.gpg --import . Retrieve the public key id: gpg --list-public-keys. Export the SSH public key: gpg --export-ssh-key . Copy the public SSH key to a file - it corresponds to the secret key on YubiKey and can be copied to SSH destination hosts.
SSH is configured to use the smart card socket for authentication, and authenticating with the GPG key with Authentication capabilities work fine. ssh-add -l 2048 SHA256:ey5VPl70RKvXSdaon6ugxiO1ZrzqxJwz7VWZM7zvN/c cardno:000607329647 (RSA)
Using GPG with Smart Cards
Smart card authentication with SSH
You can create an "authentication" key pair in gpg and use that, actually - most useful when you have a "smart card" (usually USB these days) and can thus carry around your ssh keys. –
On GnuPG 2.0.x, when you run gpg-agent with enable-ssh-support so that it takes over for ssh-agent, your smartcard's Authenticate subkey should automatically be recognized as a valid SSH key and become available for the SSH client to use as an identity. But you might have trouble getting it to work, so here are some extra steps which can assist .
How to use GPG smart cards https://git.nb.zone/nb/ssh-gpg-smartcard-config or https://da.gd/smartcards This repository has instructions for Linux, macOS, and Windows
This document will get you step by step through the generation of a GPG smartcard key, with the correct subkeys for use on a smartcard like OpenPGP smartcard or the Yubikey. This will also allow you to use your GPG Authentication subkey for SSH support.
SSH authentication using a GPG smart card on Windows
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gpg smart card ssh|Smart card authentication with SSH