libksba

Install command:
brew install libksba

X.509 and CMS library

https://www.gnupg.org/related_software/libksba/

License: LGPL-3.0-or-later OR GPL-2.0-or-later

Development: Pull requests

Formula JSON API: /api/formula/libksba.json

Formula code: libksba.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon
golden gate ✅
tahoe ✅
sequoia ✅
sonoma ✅
macOS on
Intel
sonoma ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 1.8.1

Depends on:

libgpg-error 1.61 Common error values for all GnuPG components

Binaries: ksba-config

GitHub Packages downloads:

Last 30 days405,919
Downloads18,478,271
Analytics install events (30 days)31,914
Downloads / install events (30 days)12.7×

Source: GitHub Packages, fetched 2026-11-11T00:50:29Z. Analytics dates: 2026-10-12 to 2026-11-11. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.

Analytics:

30 days90 days365 days
Installs31,90890,664477,292
Installs (--HEAD)61248
Installs on Request1,3854,82529,957
Installs on Request (--HEAD)51042
Build Errors0