OpenSSL

19 Practical Examples of Openssl Command in Linux and Unix Jun 25, 2018 Output a SSL certificate start or end date Using date date --date=\"$(openssl x509 -in xxxxxx.crt -noout -startdate | cut -d= -f 2)\" --iso-8601 - (Output a SSL certificate start or end date A quick and simple way of outputting the start and end date of a certificate, you can simply use 'openssl x509 -in xxxxxx.crt -noout -enddate' to output the end date (ex. notAfter=Feb 01 11:30:32 2009 GMT) and with the date command you format the output to an How do I display the contents of a SSL certificate Jul 16, 2020

Submit a Certificate and view it's details

$ openssl ca -in csr.pem -startdate 140529000000Z Provide subject information on the command line. If you've been following along, creating test certificates (and maybe even submitting one to a commercial CA!), you've probably gotten a bit tired of typing in the country, state, locality, etc. over and over again. openssl - Create self-signed certificate with end-date in

Mar 01, 2016

ca(1ssl) — openssl — Debian testing — Debian Manpages openssl ca [-help] [-verbose] Specifically, certificate validity period (specified by any of -startdate, -enddate and -days) will be encoded as UTCTime if the dates are earlier than year 2049 (included), and as GeneralizedTime if the dates are in year 2050 or later. certificate authority - How to use openssl ca with Consistent with this OpenSSL didn't implement 'arbitrary' curves in TLS-- although it does implement ECC primitive operations using X9.62 formats. I don't know any other TLS implementation that does implement arbitrary curves for TLS, and the standards have moved away from it.