oath-toolkit を Homebrew でインストール

プロジェクトリンク

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コマンドとエイリアス

• oathtool
• pskctool

プロジェクトの歴史

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.

採用の歴史

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.

使われ方

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.

パッケージ好きにとっての重要性

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.

タイムライン

• 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.

ソース

• https://blog.josefsson.org/2011/01/20/introducing-the-oath-toolkit/
• https://codeberg.org/api/v1/repos/oath-toolkit/oath-toolkit
• https://codeberg.org/oath-toolkit/oath-toolkit
• https://datatracker.ietf.org/doc/html/rfc4226
• https://datatracker.ietf.org/doc/html/rfc6030
• https://datatracker.ietf.org/doc/html/rfc6238
• https://formulae.brew.sh/formula/oath-toolkit
• https://lists.gnu.org/archive/html/oath-toolkit-help/2011-05/msg00053.html
• https://oath-toolkit.codeberg.page/
• https://oath-toolkit.codeberg.page/CVE-2024-47191.html
• https://oath-toolkit.codeberg.page/NEWS.html
• https://oath-toolkit.codeberg.page/man-oathtool.html