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Install gnupg-pkcs11-scd with Homebrew, apt, dnf, MacPorts, Nix

Enable the use of PKCS#11 tokens with GnuPG. Version 0.11.0 via Homebrew; verified 2026-09-11. Also installable with debian: sudo apt install gnupg-pkcs11-scd.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install gnupg-pkcs11-scd

local Homebrew formula metadata

MacPortsverified · 94%
sudo port install gnupg-pkcs11-scd

MacPorts ports tree · security/gnupg-pkcs11-scd/Portfile · source: api.github.com

Linux

Debian aptverified · 92%
sudo apt install gnupg-pkcs11-scd

Debian stable package indexes · gnupg-pkcs11-scd · source: deb.debian.org

Fedora dnfverified · 92%
sudo dnf install gnupg-pkcs11-scd

Fedora Rawhide package metadata · gnupg-pkcs11-scd · source: dl.fedoraproject.org

Nixverified · 92%
nix profile install nixpkgs#gnupg-pkcs11-scd

nixpkgs package indexes · pkgs/by-name/gn/gnupg-pkcs11-scd/package.nix · source: api.github.com

overview

Package summary

Enable the use of PKCS#11 tokens with GnuPG

Commands and aliases

  • gnupg-pkcs11-scd

history

Project history and usage

gnupg-pkcs11-scd is a small GnuPG smart-card daemon replacement that lets GnuPG talk to cryptographic tokens through PKCS#11.

Project history

The project page describes gnupg-pkcs11 as an implementation of a BSD-licensed smart-card daemon for using PKCS#11 tokens with GnuPG. Its motivation came from GnuPG mailing-list discussions in 2004 and 2006 about PKCS#11 support and an unmaintained patch.

The README credits Zeljko Vrba and Alon Bar-Lev, with copyright years beginning in 2006. The SourceForge project page shows release activity for the 0.7, 0.8 and 0.9 series during 2017.

Adoption history

Adoption is specialized: the tool serves users who already manage keys in PKCS#11-compatible hardware tokens or smart cards and want those keys available to GnuPG through the scdaemon interface.

How it is used

Practitioners use it as a drop-in or near-drop-in scdaemon replacement for GnuPG, typically in setups involving OpenSC, vendor PKCS#11 modules, smart cards, hardware tokens or enterprise certificate devices.

Why package nerds care

The package matters in packaging ecosystems because it fills a narrow interoperability gap: GnuPG's OpenPGP tooling on one side, PKCS#11 token middleware on the other. That makes it useful for people who need hardware-backed signing or decryption without migrating keys into GnuPG's native smart-card path.

Timeline

  • 2004: GnuPG mailing-list discussions raised PKCS#11 smart-card integration questions.
  • 2006: Project copyright history began for the daemon implementation.
  • 2017: The project page announced 0.7.6, 0.8.0 and 0.9.0 releases.

Related projects

  • gnupg-pkcs11-scd sits between GnuPG, scdaemon, PKCS#11 providers and token stacks such as OpenSC or vendor-supplied modules.

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

  • narrow executable package without higher-risk signals

Signals

  • metadata:no-higher-risk-signals

Install behavior

  • No Homebrew post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 8 platform targets.
  • Installs with 5 runtime dependencies.
  • Build metadata lists 4 build dependencies.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

local files

Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.

Configuration files

Config paths the tool may read or write during local use.

Unix
~/.gnupg/gnupg-pkcs11-scd.conf

executables

Installed executables

CommandKindExposureNote
gnupg-pkcs11-scdcliglobal executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-09-19
manager version0.11.0
manager updated2026-09-11
local dataok
upstreamnot checked
latest detectednot detected

https://github.com/alonbl/gnupg-pkcs11-scd

install metadata

Package metadata

Package keybrew:gnupg-pkcs11-scd
Version0.11.0
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/gnupg-pkcs11-scd
Homepagehttps://gnupg-pkcs11.sourceforge.net/
Repositoryhttps://github.com/alonbl/gnupg-pkcs11-scd
Upstream docshttps://gnupg-pkcs11.sourceforge.net/
LicenseBSD-3-Clause
Source archivehttps://github.com/alonbl/gnupg-pkcs11-scd/releases/download/gnupg-pkcs11-scd-0.11.0/gnupg-pkcs11-scd-0.11.0.tar.bz2
Last updated2026-09-11T07:48:30Z
Pulseupdated
Dependencieslibassuan, libgcrypt, libgpg-error, openssl@3, pkcs11-helper
Build dependenciesautoconf, automake, libtool, pkgconf
Bottleavailable (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux)
Homebrew post-installnot defined
Servicenone declared

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Namegnupg-pkcs11-scd
Version Scheme0
Revision0
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • stable

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Debian apt95%

gnupg-pkcs11-scd 0.10.0-5+b1

GnuPG smart-card daemon with PKCS#11 support

http://gnupg-pkcs11.sourceforge.net/

sudo apt install gnupg-pkcs11-scd
  • Section: utils
  • Architecture: amd64
  • Source Package: gnupg-pkcs11-scd
  • 6 dependencies
  • 2 optional deps
  • normalized package name match
  • Matched by: Gnupg Pkcs11 Scd
Debian stable package indexes · deb.debian.org · Debian stable package indexes: gnupg-pkcs11-scd from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Debian apt95%

gnupg-pkcs11-scd-proxy 0.10.0-5+b1

GnuPG smart-card daemon with PKCS#11 support, proxy

http://gnupg-pkcs11.sourceforge.net/

sudo apt install gnupg-pkcs11-scd-proxy
  • Section: utils
  • Architecture: amd64
  • Source Package: gnupg-pkcs11-scd
  • 2 dependencies
  • 2 optional deps
  • normalized package name match
  • Matched by: Gnupg Pkcs11 Scd
Debian stable package indexes · deb.debian.org · Debian stable package indexes: gnupg-pkcs11-scd-proxy from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Nix95%

gnupg-pkcs11-scd

nix profile install nixpkgs#gnupg-pkcs11-scd
  • normalized package name match
  • Matched by: Gnupg Pkcs11 Scd
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/gn/gnupg-pkcs11-scd/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Ubuntu apt95%

gnupg-pkcs11-scd 0.10.0-3build2

GnuPG smart-card daemon with PKCS#11 support

http://gnupg-pkcs11.sourceforge.net/

sudo apt install gnupg-pkcs11-scd
  • Section: universe/utils
  • Architecture: amd64
  • 6 dependencies
  • 2 optional deps
  • normalized package name match
  • Matched by: Gnupg Pkcs11 Scd
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: gnupg-pkcs11-scd from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
Ubuntu apt95%

gnupg-pkcs11-scd-proxy 0.10.0-3build2

GnuPG smart-card daemon with PKCS#11 support, proxy

http://gnupg-pkcs11.sourceforge.net/

sudo apt install gnupg-pkcs11-scd-proxy
  • Section: universe/utils
  • Architecture: amd64
  • Source Package: gnupg-pkcs11-scd
  • 2 dependencies
  • 2 optional deps
  • normalized package name match
  • Matched by: Gnupg Pkcs11 Scd
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: gnupg-pkcs11-scd-proxy from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
dnf95%

gnupg-pkcs11-scd 0.11.0-7.fc45

GnuPG-compatible smart-card daemon with PKCS#11 support

http://gnupg-pkcs11.sourceforge.net

sudo dnf install gnupg-pkcs11-scd
  • License: BSD-3-Clause
  • Category: Unspecified
  • Architecture: x86_64
  • Source Package: gnupg-pkcs11-scd
  • 9 dependencies
  • 1 provides
  • normalized package name match
  • Matched by: Gnupg Pkcs11 Scd
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: gnupg-pkcs11-scd from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/652278618dec9c023176a80c435a32a2c8154869fb0eb662c267a54df28d77d9-primary.xml.zst
MacPorts95%

gnupg-pkcs11-scd

sudo port install gnupg-pkcs11-scd
  • normalized package name match
  • Matched by: Gnupg Pkcs11 Scd
MacPorts ports tree · api.github.com · MacPorts ports tree: security/gnupg-pkcs11-scd/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

Related tools

  • openssl@3Runtime dependency declared by Homebrew.
  • libgpg-errorRuntime dependency declared by Homebrew.
  • libgcryptRuntime dependency declared by Homebrew.
  • libassuanRuntime dependency declared by Homebrew.
  • pkgconfBuild dependency declared by Homebrew.
  • libtoolBuild dependency declared by Homebrew.
  • autoconfBuild dependency declared by Homebrew.
  • automakeBuild dependency declared by Homebrew.

Same workflow

  • openscShares pkgdb curated category or tags: cli, cryptography, pkcs11, security, smart-card.
  • p11-kitShares pkgdb curated category or tags: cli, cryptography, pkcs11, security.
  • libksbaShares pkgdb curated category or tags: cli, cryptography, gnupg, security.
  • gpgmeShares pkgdb curated category or tags: cli, cryptography, gnupg, security.
  • yubico-piv-toolShares pkgdb curated category or tags: cli, pkcs11, security, smart-card.
  • softhsmShares pkgdb curated category or tags: cli, cryptography, pkcs11, security.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Geiger risk classifier
  • cross-ecosystem install command graph
  • curated configuration and credential file locations
  • curated package history
  • external package-manager database matches
  • package relationship graph
  • package version freshness
  • package-page enrichment
  • pkg.so package database
  • pkgdb category and tag curation