install

Additional install commands

macOS

Homebrewverified · 100%

brew install oath-toolkit

local Homebrew formula metadata

MacPortsverified · 94%

sudo port install oath-toolkit

MacPorts ports tree · security/oath-toolkit/Portfile · source: api.github.com

Linux

Alpine Linux apkverified · 92%

sudo apk add oath-toolkit

Alpine Linux edge package indexes · oath-toolkit · source: dl-cdn.alpinelinux.org

Debian aptverified · 92%

sudo apt install liboath-dev

Debian stable package indexes · liboath-dev · source: deb.debian.org

Fedora dnfverified · 92%

sudo dnf install liboath

Fedora Rawhide package metadata · liboath · source: dl.fedoraproject.org

Nixverified · 92%

nix profile install nixpkgs#oath-toolkit

nixpkgs package indexes · pkgs/by-name/oa/oath-toolkit/package.nix · source: api.github.com

Arch Linux pacmanverified · 92%

sudo pacman -S oath-toolkit

Arch Linux sync databases · oath-toolkit · source: geo.mirror.pkgbuild.com

openSUSE zypperverified · 92%

sudo zypper install liboath-devel

openSUSE Tumbleweed package metadata · liboath-devel · source: download.opensuse.org

overview

Package summary

Tools for one-time password authentication systems

Project links

Commands and aliases

oathtool
pskctool

history

Project history and usage

OATH Toolkit is a long-running free software implementation of one-time password infrastructure. It provides shared C libraries, the oathtool and pskctool command-line tools, and a pam_oath module for integrating HOTP/TOTP authentication into Unix login stacks.

Project history

Simon Josefsson introduced the OATH Toolkit publicly in January 2011 as software for OATH one-time password authentication, including oathtool and pam_oath. A May 2011 release announcement for version 1.10.0 points to the Nongnu project page, man pages, PAM documentation, API reference, signed release tarballs, and the Savannah project home.

The toolkit tracks the standards ecosystem around one-time passwords: HOTP from RFC 4226, TOTP from RFC 6238, and PSKC from RFC 6030. Later releases added support for HMAC-SHA256 and HMAC-SHA512 TOTP generation and validation APIs in version 2.6.0, and the project moved version-controlled source hosting to GitLab in version 2.6.2 before moving public Git hosting to Codeberg in version 2.6.13.

Adoption history

OATH Toolkit spread through Unix package ecosystems because it solved a boring but durable operations problem: generating and validating standard OTP values and adding PAM-based OTP checks to existing systems. The input package record lists apk, Homebrew, Debian, Fedora, MacPorts, Nix, Arch, Ubuntu, and openSUSE package names, reflecting broad distribution rather than a single application community.

How it is used

Developers use liboath when embedding HOTP/TOTP validation in C applications, operators use oathtool for token generation and testing, pskctool handles Portable Symmetric Key Container data, and administrators use pam_oath to require OTP values during PAM authentication. A common deployment stores token records in a usersfile such as /etc/users.oath.

Why package nerds care

The package is a classic security-toolchain package: small command-line utilities, a C library ABI, a PAM module, man pages, signed source releases, and long-term distro packaging. It also shows how standards-based authentication plumbing ages: compatibility fixes, crypto algorithm additions, build-system maintenance, and security advisories matter as much as new features.

Timeline

2005: RFC 4226 defined the HOTP algorithm.
2010: RFC 6030 defined PSKC for symmetric key container data.
2011: RFC 6238 defined TOTP.
2011-01-20: Simon Josefsson published an introduction to OATH Toolkit.
2015-05-19: OATH Toolkit 2.6.0 added TOTP support with HMAC-SHA256 and HMAC-SHA512 APIs.
2016-08-27: OATH Toolkit 2.6.2 noted that version-controlled source moved to GitLab.
2024-10-03: OATH Toolkit 2.6.12 addressed CVE-2024-47191 in pam_oath/liboath.
2025-07-29: OATH Toolkit 2.6.13 moved Git hosting to Codeberg.

Related projects

OATH Toolkit is directly tied to the OATH HOTP/TOTP standards, Unix PAM, libxmlsec for PSKC-related functionality, and downstream distro packages such as Debian's oathtool/liboath-dev packages.

Sources

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 6 platform targets.
Installs with 3 runtime dependencies.
Build metadata lists 1 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.

Credential files

Credential-bearing paths to review before unattended agent runs.

Unix: /etc/users.oath

executables

Installed executables

Command	Kind	Exposure	Note
`oathtool`	cli	global executable
`pskctool`	cli	global 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 generated2026-07-08

manager version2.6.14

manager updated2026-06-27

local dataok

upstreamnot checked

latest detectednot detected

https://oath-toolkit.codeberg.page/

infoRelease/tag comparison is only available for GitHub repositories.https://oath-toolkit.codeberg.page/none confidence

install metadata

Package metadata

Package key	brew:oath-toolkit
Version	2.6.14
Package manager	Homebrew
Package manager page	https://formulae.brew.sh/formula/oath-toolkit
Homepage	https://oath-toolkit.codeberg.page/
Repository	https://codeberg.org/oath-toolkit/oath-toolkit
Upstream docs	https://oath-toolkit.codeberg.page/docs.html
License	GPL-3.0-or-later AND LGPL-2.1-or-later
Source archive	https://download.savannah.nongnu.org/releases/oath-toolkit/oath-toolkit-2.6.14.tar.gz
Last updated	2026-06-27T14:40:16-04:00
Pulse	updated
Dependencies	libxml2, libxmlsec1, openssl@3
Build dependencies	pkgconf
Bottle	available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-install	not defined
Service	none declared

registry facts

Source database details

Source Database	Homebrew formula API
Tap	homebrew/core
Full Name	oath-toolkit
Version Scheme	0
Revision	3
Head Version	HEAD
Bottle Stable Root URL	https://ghcr.io/v2/homebrew/core
Deprecated	no
Disabled	no
Keg Only	no
URL Keys	head 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%

liboath-dev 2.6.12-1

Development files for the OATH Toolkit Liboath library

https://www.nongnu.org/oath-toolkit/

sudo apt install liboath-dev

Section: libdevel
Architecture: amd64
Source Package: oath-toolkit
1 dependencies
normalized package name match
Matched by: Oath Toolkit

Debian stable package indexes · deb.debian.org · Debian stable package indexes: liboath-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

Debian apt95%

liboath0t64 2.6.12-1

OATH Toolkit Liboath library

https://www.nongnu.org/oath-toolkit/

sudo apt install liboath0t64

Section: libs
Architecture: amd64
Source Package: oath-toolkit
1 dependencies
1 provides
normalized package name match
Matched by: Oath Toolkit

Debian stable package indexes · deb.debian.org · Debian stable package indexes: liboath0t64 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

Debian apt95%

libpam-oath 2.6.12-1

OATH Toolkit libpam_oath PAM module

https://www.nongnu.org/oath-toolkit/

sudo apt install libpam-oath

Section: admin
Architecture: amd64
Source Package: oath-toolkit
4 dependencies
normalized package name match
Matched by: Oath Toolkit

Debian stable package indexes · deb.debian.org · Debian stable package indexes: libpam-oath from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

Debian apt95%

libpskc-dev 2.6.12-1

Development files for the OATH Toolkit Libpskc library

https://www.nongnu.org/oath-toolkit/

sudo apt install libpskc-dev

Section: libdevel
Architecture: amd64
Source Package: oath-toolkit
1 dependencies
normalized package name match
Matched by: Oath Toolkit

Debian stable package indexes · deb.debian.org · Debian stable package indexes: libpskc-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

Debian apt95%

libpskc0t64 2.6.12-1

OATH Toolkit Libpskc library

https://www.nongnu.org/oath-toolkit/

sudo apt install libpskc0t64

Section: libs
Architecture: amd64
Source Package: oath-toolkit
4 dependencies
1 provides
normalized package name match
Matched by: Oath Toolkit

Debian stable package indexes · deb.debian.org · Debian stable package indexes: libpskc0t64 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

Debian apt95%

oathtool 2.6.12-1

OATH Toolkit oathtool command line tool

https://www.nongnu.org/oath-toolkit/

sudo apt install oathtool

Section: devel
Architecture: amd64
Source Package: oath-toolkit
2 dependencies
normalized package name match
Matched by: Oath Toolkit

Debian stable package indexes · deb.debian.org · Debian stable package indexes: oathtool from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

Debian apt95%

pskctool 2.6.12-1

OATH Toolkit pskctool command line tool

https://www.nongnu.org/oath-toolkit/

sudo apt install pskctool

Section: devel
Architecture: amd64
Source Package: oath-toolkit
2 dependencies
normalized package name match
Matched by: Oath Toolkit

Debian stable package indexes · deb.debian.org · Debian stable package indexes: pskctool from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

Nix95%

oath-toolkit

nix profile install nixpkgs#oath-toolkit

normalized package name match
Matched by: Oath Toolkit

nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/oa/oath-toolkit/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

Ubuntu apt95%

liboath-dev 2.6.11-2.1build3

Development files for the OATH Toolkit Liboath library

https://www.nongnu.org/oath-toolkit/

sudo apt install liboath-dev

Section: libdevel
Architecture: amd64
Source Package: oath-toolkit
1 dependencies
normalized package name match
Matched by: Oath Toolkit

Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: liboath-dev from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz

Ubuntu apt95%

liboath0t64 2.6.11-2.1build3

OATH Toolkit Liboath library

https://www.nongnu.org/oath-toolkit/

sudo apt install liboath0t64

Section: libs
Architecture: amd64
Source Package: oath-toolkit
1 dependencies
1 provides
normalized package name match
Matched by: Oath Toolkit

Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: liboath0t64 from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz

Ubuntu apt95%

libpam-oath 2.6.11-2.1build3

OATH Toolkit libpam_oath PAM module

https://www.nongnu.org/oath-toolkit/

sudo apt install libpam-oath

Section: universe/admin
Architecture: amd64
Source Package: oath-toolkit
4 dependencies
normalized package name match
Matched by: Oath Toolkit

Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: libpam-oath from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz

Ubuntu apt95%

libpskc-dev 2.6.11-2.1build3

Development files for the OATH Toolkit Libpskc library

https://www.nongnu.org/oath-toolkit/

sudo apt install libpskc-dev

Section: libdevel
Architecture: amd64
Source Package: oath-toolkit
1 dependencies
normalized package name match
Matched by: Oath Toolkit

Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: libpskc-dev from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz

Ubuntu apt95%

libpskc0t64 2.6.11-2.1build3

OATH Toolkit Libpskc library

https://www.nongnu.org/oath-toolkit/

sudo apt install libpskc0t64

Section: libs
Architecture: amd64
Source Package: oath-toolkit
4 dependencies
1 provides
normalized package name match
Matched by: Oath Toolkit

Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: libpskc0t64 from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz

Ubuntu apt95%

oathtool 2.6.11-2.1build3

OATH Toolkit oathtool command line tool

https://www.nongnu.org/oath-toolkit/

sudo apt install oathtool

Section: universe/devel
Architecture: amd64
Source Package: oath-toolkit
2 dependencies
normalized package name match
Matched by: Oath Toolkit

Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: oathtool from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz

Ubuntu apt95%

pskctool 2.6.11-2.1build3

OATH Toolkit pskctool command line tool

https://www.nongnu.org/oath-toolkit/

sudo apt install pskctool

Section: universe/devel
Architecture: amd64
Source Package: oath-toolkit
2 dependencies
normalized package name match
Matched by: Oath Toolkit

Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: pskctool from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz

apk95%

oath-toolkit 2.6.14-r1

OATH Toolkit One-time password components

https://nongnu.org/oath-toolkit/

sudo apk add oath-toolkit

License: GPL-3.0-or-later
Architecture: x86_64
Source Package: oath-toolkit
1 dependencies
1 provides
normalized package name match
Matched by: Oath Toolkit

Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: oath-toolkit from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz

package graph

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

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.

Combined YAML source

View the package source record on GitHub.

combined/oath-toolkit.yml

Used sources

Geiger risk classifier
Nucleus package database
av.db category and tag curation
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

Install oath-toolkit with Homebrew, apk, apt, dnf, MacPorts, Nix, pacman, zypper

Additional install commands

macOS

Linux

Package summary

Project links

Commands and aliases

Project history and usage

Project history

Adoption history

How it is used

Why package nerds care

Timeline

Related projects

Sources

Risk level: green

Risk classifier

Why

Signals

Install behavior

Recommended review

Configuration and credential file locations

Credential files

Installed executables

Version and freshness

Package metadata

Source database details

Other package-manager records

Internal package links

Topical hubs

Related tools

Same workflow

Agent security guides

Generated from repository data

Combined YAML source

Used sources