Command-line tool
openssl@3
brew/openssl@3
Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev
Cryptography and SSL/TLS Toolkit security tls ssl cryptography post-quantum cybersecurity pqc openssl cryptograpy
At a glance
- Type
- Command-line tool
- Install on
- Windows, macOS, Linux
- Last checked
- 25 Oct 2026, 21:09 UTC
Install it
Windows
winget install --id FireDaemon.OpenSSL -e scoop install openssl-light scoop install openssl-lts-light
macOS
brew install openssl@3
Linux
brew install openssl@3
Generate a private key and encrypt the output file using AES-256
openssl genpkey -algorithm rsa -out path/to/private.key -aes256
Generate the corresponding public key from the private key `private.key` using `rsa`
openssl rsa -in path/to/private.key -pubout -out path/to/public.key
Generate a self-signed certificate valid for a specified number of days (365)
openssl req -new -x509 -key path/to/private.key -out path/to/certificate.crt -days 365
Related command-line tools
- openssl@4
Cryptography and SSL/TLS Toolkit - openssl@3.6
Cryptography and SSL/TLS Toolkit - libressl
Version of the SSL/TLS protocol forked from OpenSSL - staq
Full-stack quantum processing toolkit - libcoap
Lightweight application-protocol for resource-constrained devices - Caido
Web security auditing toolkit - solsec
Solana Smart Contract Security Toolkit - Find security bugs before deployment - osslsigncode
OpenSSL based Authenticode signing for PE/MSI/Java CAB files
Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents