OpenSSL

gistfile1.md

SSL Cheat Sheet

Create self signed certificate:

openssl req -new -x509 -sha256 -newkey rsa:2048 -nodes -keyout server.key -days 365 -out server.crt

Create new key:

openssl genrsa -out server.key 2048

Create new key and a certificate sign request:

req -new -sha256 -newkey rsa:2048 -nodes -keyout server.key -out server.csr

Or use an existing key to create a certificate sign request:

openssl req -new -sha256 -key server.key -out server.csr

Verify the certificate:

• https://www.ssllabs.com/ssltest/
• https://www.sslshopper.com/ssl-checker.html
• https://www.digicert.com/help/
• https://ssltools.websecurity.symantec.com/checker/views/certCheck.jsp