# 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 from local package data. ## Install ```sh sudo av install brew:gnupg-pkcs11-scd ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install gnupg-pkcs11-scd ``` Evidence: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install gnupg-pkcs11-scd ``` Evidence: MacPorts ports tree: security/gnupg-pkcs11-scd/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - Debian apt (92%): ```sh sudo apt install gnupg-pkcs11-scd ``` Evidence: Debian stable package indexes: gnupg-pkcs11-scd from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - dnf (92%): ```sh sudo dnf install gnupg-pkcs11-scd ``` Evidence: Fedora Rawhide package metadata: gnupg-pkcs11-scd from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst - Nix (92%): ```sh nix profile install nixpkgs#gnupg-pkcs11-scd ``` Evidence: 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 ## Package facts - **Package key:** brew:gnupg-pkcs11-scd - **Package manager:** Homebrew - **Package manager page:** - **Version:** 0.11.0 - **Source summary:** Enable the use of PKCS#11 tokens with GnuPG - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** BSD-3-Clause - **Source archive:** - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - gnupg-pkcs11-scd (cli) - gnupg-pkcs11-scd (alias) ## Dependencies - libassuan - libgcrypt - libgpg-error - openssl@3 - pkcs11-helper ## Build dependencies - autoconf - automake - libtool - pkgconf ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 0.11.0 - Local data: ok - Upstream repository: https://github.com/alonbl/gnupg-pkcs11-scd - info: No package-manager update timestamp was available. - info: No cached GitHub release or tag data was available. ## 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. ### Sources - - - ## Security Notes narrow executable package without higher-risk signals. - **Geiger risk:** green / low - narrow executable package without higher-risk signals ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** gnupg-pkcs11-scd - **Version Scheme:** 0 - **Revision:** 0 - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** stable ## Other Package-Manager Records - Debian apt - gnupg-pkcs11-scd - 0.10.0-5+b1: normalized package name match | Debian stable package indexes: gnupg-pkcs11-scd from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | GnuPG smart-card daemon with PKCS#11 support | http://gnupg-pkcs11.sourceforge.net/ - Debian apt - gnupg-pkcs11-scd-proxy - 0.10.0-5+b1: normalized package name match | Debian stable package indexes: gnupg-pkcs11-scd-proxy from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | GnuPG smart-card daemon with PKCS#11 support, proxy | http://gnupg-pkcs11.sourceforge.net/ - Nix - gnupg-pkcs11-scd: normalized package name match | 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 apt - gnupg-pkcs11-scd - 0.10.0-3build2: normalized package name match | Ubuntu 24.04 LTS package indexes: gnupg-pkcs11-scd from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | GnuPG smart-card daemon with PKCS#11 support | http://gnupg-pkcs11.sourceforge.net/ - Ubuntu apt - gnupg-pkcs11-scd-proxy - 0.10.0-3build2: normalized package name match | Ubuntu 24.04 LTS package indexes: gnupg-pkcs11-scd-proxy from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | GnuPG smart-card daemon with PKCS#11 support, proxy | http://gnupg-pkcs11.sourceforge.net/ - dnf - gnupg-pkcs11-scd - 0.11.0-5.fc44: normalized package name match | Fedora Rawhide package metadata: gnupg-pkcs11-scd from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | GnuPG-compatible smart-card daemon with PKCS#11 support | http://gnupg-pkcs11.sourceforge.net - MacPorts - gnupg-pkcs11-scd: normalized package name match | MacPorts ports tree: security/gnupg-pkcs11-scd/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ## Related links - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [Security and crypto packages](https://www.automicvault.com/pkg/security-crypto-tools/) - Matched security, identity, cryptography, password, signing, or certificate metadata. - [Homebrew utility packages](https://www.automicvault.com/pkg/brew-utility-packages/) - Matched Homebrew package provider. - [libassuan](https://www.automicvault.com/pkg/brew/libassuan/) - Runtime dependency declared by Homebrew. - [libgcrypt](https://www.automicvault.com/pkg/brew/libgcrypt/) - Runtime dependency declared by Homebrew. - [libgpg-error](https://www.automicvault.com/pkg/brew/libgpg-error/) - Runtime dependency declared by Homebrew. - [openssl@3](https://www.automicvault.com/pkg/brew/openssl-3/) - Runtime dependency declared by Homebrew. - [autoconf](https://www.automicvault.com/pkg/brew/autoconf/) - Build dependency declared by Homebrew. - [automake](https://www.automicvault.com/pkg/brew/automake/) - Build dependency declared by Homebrew. - [libtool](https://www.automicvault.com/pkg/brew/libtool/) - Build dependency declared by Homebrew. - [pkgconf](https://www.automicvault.com/pkg/brew/pkgconf/) - Build dependency declared by Homebrew. - [opensc](https://www.automicvault.com/pkg/brew/opensc/) - Shares av.db curated category or tags: cli, cryptography, pkcs11, security, smart-card. - [gpgme](https://www.automicvault.com/pkg/brew/gpgme/) - Shares av.db curated category or tags: cli, cryptography, gnupg, security. - [sequoia-chameleon-gnupg](https://www.automicvault.com/pkg/brew/sequoia-chameleon-gnupg/) - Shares av.db curated category or tags: cli, cryptography, gnupg, security. - [softhsm](https://www.automicvault.com/pkg/brew/softhsm/) - Shares av.db curated category or tags: cli, cryptography, pkcs11, security. - [botan](https://www.automicvault.com/pkg/brew/botan/) - Shares av.db curated category or tags: cli, cryptography, security. - [ccrypt](https://www.automicvault.com/pkg/brew/ccrypt/) - Shares av.db curated category or tags: cli, cryptography, security. - [cfssl](https://www.automicvault.com/pkg/brew/cfssl/) - Shares av.db curated category or tags: cli, cryptography, security. - [gmssl](https://www.automicvault.com/pkg/brew/gmssl/) - Shares av.db curated category or tags: cli, cryptography, security. - [pkcs11-tools](https://www.automicvault.com/pkg/brew/pkcs11-tools/) - Security-sensitive metadata or terminology overlaps. Shared terms: cli, cryptography, openssl, openssl-3, pkcs. - [monkeysphere](https://www.automicvault.com/pkg/brew/monkeysphere/) - Security-sensitive metadata or terminology overlaps. Shared terms: cli, error, gnupg, libassuan, libgcrypt. ## Combined YAML source View the package source record on GitHub. [combined/gnupg-pkcs11-scd.yml](https://github.com/automic-vault/db/blob/main/combined/gnupg-pkcs11-scd.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated package history - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph