openssl@3

Install command:
brew install openssl@3

Also known as: openssl, openssl@3.6

Cryptography and SSL/TLS Toolkit

https://openssl-library.org

License: Apache-2.0

Development: Pull requests

Formula JSON API: /api/formula/openssl@3.json

Formula code: openssl@3.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon
tahoe
sequoia
sonoma
macOS on
Intel
tahoe
sequoia
sonoma
Linux ARM64
x86_64

Current versions:

stable 3.6.3

Other versions:

openssl@4 4.0.2 Cryptography and SSL/TLS Toolkit
openssl@3.5 3.5.8 Cryptography and SSL/TLS Toolkit
openssl@3.0 3.0.22 Cryptography and SSL/TLS Toolkit

Depends on:

ca-certificates 2026-08-13 Mozilla CA certificate store
To add additional certificates, place .pem files in
    $HOMEBREW_PREFIX/etc/openssl@3/certs

and run
    $HOMEBREW_PREFIX/opt/openssl@3/bin/c_rehash

OpenSSL 3.6 is only supported until 2026-11-01 so the `openssl@3`
formula will be downgraded to OpenSSL 3.5 (LTS) in a future update.

Analytics:

30 days90 days365 days
Installs506,0671,477,6075,657,951
Installs (--HEAD)662321,210
Installs on Request57,039185,563776,843
Installs on Request (--HEAD)612151,155
Build Errors7,562