openssl@3.0

Cryptography and SSL/TLS toolkit for secure communications

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Cryptography and SSL/TLS Toolkit

Commands

openssl

Examples

Generate a self-signed certificate valid for 365 days$ openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 365 -nodes
Display certificate information from a PEM file$ openssl x509 -in cert.pem -text -noout
Create an encrypted password hash for use in applications$ openssl passwd -crypt