openssl@4

Install command:
brew install openssl@4

Also known as: openssl

Cryptography and SSL/TLS Toolkit

https://openssl-library.org

License: Apache-2.0

Development: Pull requests

Formula JSON API: /api/formula/openssl@4.json

Formula code: openssl@4.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 ✅ 4.0.3

Other versions:

openssl@3.6 3.6.5 Cryptography and SSL/TLS Toolkit
openssl@3 3.5.9 Cryptography and SSL/TLS Toolkit
openssl@3.0 3.0.22 Cryptography and SSL/TLS Toolkit

Depends on:

ca-certificates 2026-10-20 Mozilla CA certificate store

Uses from macOS: perl (build)

Binaries: openssl

To add additional certificates, place .pem, .crt, .cer, or .crl files in
    $HOMEBREW_PREFIX/etc/openssl@4/certs

and run
    $HOMEBREW_CELLAR/openssl@4/4.0.3/bin/openssl rehash $HOMEBREW_PREFIX/etc/openssl@4/certs

Analytics:

30 days90 days365 days
Installs290,903329,628396,287
Installs (--HEAD)162130
Installs on Request13,41621,44033,253
Installs on Request (--HEAD)121723
Build Errors2,297