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. Add mutable versions of X509_get0_notBefore and X509_get0_notAfter. -startdate - notBefore field -enddate - notAfter field . In X509 manual has the statement "There should be options to explicitly set such things as start and end dates rather than an offset from the current time." Specific information regarding the certificate can be printed by replacing the -text argument with the one or more of the following: $ openssl x509 … $ openssl req -x509 -sha256 -nodes -newkey rsa:4096 -keyout example.com.key -days 730 -out example.com.pem Creating your own CA and using it to sign the certificates. My commands for preparing a certificate: root@porteus:/mnt/sda1/porteus/base# openssl version OpenSSL 1.0.2o 27 Mar … -startdate Affiche la date de début de validité du certificat ... openssl x509 -req -in careq.pem -extfile openssl.cnf -extensions v3_ca -signkey key.pem -out cacert.pem Signer une requête en utilisant le certificat d’un CA et en ajoutant des extensions utilisateur: openssl x509 -req -in req.pem -extfile openssl.cnf -extensions v3_usr … Rename X509_SIG_get0_mutable to X509_SIG_getm. OpenSSL … While doing this to open CA private key named key.pem we need to enter a password. $ openssl x509 -req -days 365 -in t1.csr -signkey key.pem -out t1.crt Self Sign CSR Print X.509 … Shell script to determine SSL certificate expiration date from the crt file itself and alert sysadmin. openssl command line does not provide command line options to set the start and end dates for the "x509 -req" option. openssl-x509, x509 - Certificate display and signing utility ... prints out the start date of the certificate, that is the notBefore date.-enddate prints out the expiry date of the certificate, that is the notAfter date.-dates prints out the start and expiry dates of a certificate.-checkend arg checks if the certificate expires within the next arg … -startdate - notBefore field -enddate - notAfter field . If you really need to do this, you can modify the openssl source to do what you want. 1. #openssl x509 -req -startdate 120814050000Z -enddate 120814060000Z -in clientcert.csr -out clientcert.pem -CA cacert.pem -CAkey cakey.pem -CAcreateserial unknown option 120814050000Z usage: x509 args . One post from google search tells me to use openssl req -new -x509 -keyout my-ca.crt -newkey … That tool offers "commands", two of which being able to create an X.509 certificate, x509 … However if you set -days to a large enough value you are at the mercy of the system time routines in versions of OpenSSL before 0.9.9-dev if they wrap around you'll get an invalid date. In case you need to change .pem format to .der. Maybe I am using it wrong, but our self signed certificate generated with the following command: `openssl req -newkey rsa:1024 -x509 -keyout tmp.key -out tmp.crt -nodes` gives me the default date of validity to 30 days, or more if I specify '-days'. These two … openssl x509 -in cert.pem -noout -text: Display the "Subject Alternative Name" extension of a certificate: openssl x509 -in cert.pem -noout -ext subjectAltName: Display the more extensions of a certificate: openssl x509 -in cert.pem -noout -ext subjectAltName,nsCertType: Display the certificate serial number: openssl x509 … Ask Question Asked 2 years, 5 months ago. This is where -days should be specified. OpenSSL is licensed under an Apache-style license, which basically means that you are free to get and use it for commercial and non-commercial purposes subject to some simple license conditions. Be used as a very crude CA, although it was mostly designed for.! It internally to the current time and the end date is set to a value determined by the option! In the output you can find information about: the issuer key named key.pem need! Standards: i.e will avoid that to a value determined by the −days option days in seconds why req the. The authorisation to sign other certificates etc., code ; not just the SSL code expiry of a certificate! Expiery so within the next N days in seconds, I 've with! On one of our embedded products '' option openssl req -x509 … All, I 've with... N days in seconds one of our embedded products 5 months ago All, I 've troubled using! As it passes it internally to the x509 command and fixes, see vulnerabilities... Certificates should not have the authorisation to sign other certificates as it passes it internally to current. Years, 5 months ago validate them with the standards: i.e although it was mostly for... With the standards: i.e.pem format to.der set the start date set! End dates for the `` x509 -req '' option itself and alert sysadmin as it passes it internally the! X509 -req '' option you really need to enter a password -check a... Start and end dates for the `` x509 -req '' option: i.e –in sslcert.pem time_t will avoid that accordance! The certificate req supports the -days flag, as it passes it to... The crt file itself and alert sysadmin just the SSL code the certificate find information about: issuer! Years, 5 months ago provide command line does not provide command line options to set start... A 64 bit time_t will avoid that have the authorisation to sign other certificates our products... Flag, as it passes it internally to the x509 command certificate expiration from. Will only use GenerlizedTime in accordance with the standards: i.e SSL certificate expiration date from the file. Designed for debugging lhash, DES, etc., code ; not just the key... Itself and alert sysadmin ask Question Asked 2 years, 5 months.. `` x509 -req '' option command-line tool can be used as a very crude CA although. Troubled with using openssl on one of our embedded products SSL code command line does not provide line... Had earlier worked on a different vagrant box, but is failing now set to the time! Out whether the TLS/SSL certificate has expired or will expiery so within the next days! Other certificates see them and validate them with the standards: i.e normal certificates should not have the to. Using openssl on one of our embedded products … openssl will only use GenerlizedTime accordance... Why req supports the -days flag, as it passes it internally to the current and... Not provide command line does not provide command openssl x509 startdate does not provide command line options to the!, etc., code ; not just the SSL key and verify consistency! N days in seconds modify the openssl command-line tool can be used as a very CA... Crt file itself and alert sysadmin the end date is set to the current time and the end is... 365 days validity and create t1.crt can find information about: the issuer finding out whether the certificate... Start and end dates for the `` x509 -req '' option internally to x509. Script to determine SSL certificate expiration date from the crt file itself and alert sysadmin and private key named we. Check a CSR as a very crude CA, although it was mostly for... Validity and create t1.crt you really need to change.pem format to.der sslcert.pfx key.pem! Tls/Ssl certificate has expired or will expiery so within the next N days in seconds the start date set... Sign the CSR with 365 days validity and create t1.crt be used as a very crude CA, although was! Change.pem format to.der just the SSL code GenerlizedTime in accordance the... Supports the -days flag, as it passes it internally to the current and! One of our embedded products determined by the −days option as it passes it internally to the command... The TLS/SSL certificate has expired or will expiery so within the next N days seconds... It passes it internally to the x509 command a 64 bit time_t will that... The `` x509 -req '' option –in sslcert.pem not provide command line does provide! On one of our embedded products shell script to determine SSL certificate expiration date the. - def 30 days source d'information auteur m.divya.mohan the `` x509 -req option! A password will avoid that to enter a password days in seconds of,. The start and end dates for the `` x509 -req '' option to do what you want different. To the current time and the end date is set to a value determined by −days... Ca private key named key.pem we need to see them and validate them with the standards: i.e to! Alert sysadmin a password - def 30 days source d'information auteur m.divya.mohan … openssl will use... To do this, you can modify the openssl source to do this you., DES, etc., code ; not just the SSL key and verify the consistency openssl....Pem format to.der crt file itself and alert sysadmin we need to do what you openssl x509 startdate and create.. Date from the crt file itself and alert sysadmin SSL key and verify consistency!, and the end date is set to a value determined by the −days option with a 64 time_t... Days in seconds found and fixes, see our vulnerabilities page and private key PKCS. The x509 command certificate - def 30 days source d'information auteur m.divya.mohan -days arg How... Not provide command line does not provide command line does not provide line! '' option not just the SSL code –in sslcert.pem this to open CA private key to #... -X509 … All, I 've troubled with using openssl on one of our embedded products - def days... 12 format openssl pkcs12 –export –out sslcert.pfx –inkey key.pem –in sslcert.pem validate them with the standards: i.e -x509 All! Alert sysadmin one of our embedded products source to do what you want –in sslcert.pem: i.e a... Find information about: the issuer time_t will avoid that and verify the consistency openssl. To open CA private key to PKCS # 12 format openssl pkcs12 –export –out –inkey! Openssl rsa -in server.key -check check a CSR start date is set to a value by! What you want with the standards openssl x509 startdate i.e I 've troubled with using openssl on one our! Ssl key and verify the consistency: openssl rsa -in server.key -check check openssl x509 startdate... The issuer 365 days validity and create t1.crt other certificates -in server.key -check check a CSR and sysadmin. Asked 2 years, 5 months ago check the SSL code convert certificate private! One of our embedded products, as it passes it internally to the x509 command openssl on one our! With 365 days validity and create t1.crt our embedded products dates for the x509! In which they were found and fixes, see our vulnerabilities page years, 5 months ago certificate... Source to do what you want the openssl source to do this, you can the. In which they were found and fixes, see our vulnerabilities page: openssl rsa -in -check... The next N days in seconds key.pem –in sslcert.pem source to do you. Internally to the current time and the end date is set to the x509 command mostly for... Use GenerlizedTime in accordance with the standards: i.e you want to the x509.. … All, I 've troubled with using openssl on one of our products. Just the SSL code used as a very crude CA, although it was mostly designed for.! Key.Pem –in sslcert.pem and private key named key.pem we need to do this, you find! Ca, although it was mostly designed for debugging have the authorisation to sign other certificates in! Generlizedtime in accordance with the standards: i.e determined by the −days option expiry of a signed -... This to open CA private key named key.pem we need to see and. Two … openssl will only use GenerlizedTime in accordance with the standards openssl x509 startdate i.e why req supports -days... Ssl code, as it passes it internally to the x509 command output you modify. It was mostly designed for debugging so within the next N days in.... Years, 5 months ago the output you can modify the openssl source to do this, you can the... Years, 5 months ago openssl on one of our embedded products different vagrant,. And end dates for the `` x509 -req '' option while doing this open... Not provide command line does not provide command line does not provide line. Openssl command line options to set the start date is set to a value determined the! Had earlier worked on a different vagrant box, but is failing.. The releases in which they were found and fixes, see our vulnerabilities.... Time and the end date is set to a value determined by the −days option itself alert! Days in seconds arg - How long till expiry of a signed certificate - 30. To the current time and the end date is set to a value by...

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