aws-c-auth

Install command:
brew install aws-c-auth

C99 library implementation of AWS client-side authentication

https://github.com/awslabs/aws-c-auth

License: Apache-2.0

Development: Pull requests

Formula JSON API: /api/formula/aws-c-auth.json

Formula code: aws-c-auth.rb on GitHub

Bottle (binary package) installation support provided for:

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

Current versions:

stable ✅ 1.0.3

Revision: 1

Depends on:

aws-c-cal 1.0.0 AWS Crypto Abstraction Layer
aws-c-common 1.0.5 Core c99 package for AWS SDK for C
aws-c-http 1.2.0 C99 implementation of the HTTP/1.1 and HTTP/2 specifications
aws-c-io 1.1.2 Event driven framework for implementing application protocols
aws-c-sdkutils 1.0.1 C99 library implementing AWS SDK specific utilities

Depends on when building from source:

cmake 4.4.5 Cross-platform make

GitHub Packages downloads:

Last 30 days809,910
Downloads3,243,771
Analytics install events (30 days)48,732
Downloads / install events (30 days)16.6×

Source: GitHub Packages, fetched 2026-11-10T00:48:10Z. Analytics dates: 2026-10-11 to 2026-11-10. 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
Installs48,73092,843134,376
Installs (--HEAD)227
Installs on Request1801,1131,520
Build Errors4