Nov 19, 2014 · Edit #1: Firefox under Linux offers me an ability to export some website's certificate as: X.509 Certificate (PEM) X.509 Certificate (DER) X.509 Certificate (PKCS#7) Does it mean that …

I used openssl to create a X.509 certificate but I don't quite understand the relationship between a X.509 and a SSL certificate. Are they the same? Is a SSL certificate just a X.509 certificate th...

X.509 is an International Telecommunication Union standard defining the format of public key certificates. An X509 Certificate is: a public key, some other metadata (names of different formats, …

Jul 5, 2020 · I keep reading that in an X.509 certificate chain of trust that the "Issuer Name" in a certificate that has been signed by the Issuer must "match" the "Subject Name" of the Issuer's …

Feb 19, 2013 · X.509 defines nothing about encryption. What you want is to use a standard format which describes encryption with the recipient's public key and builds on X.509 certificates for the public key …

Sep 25, 2020 · X509 is the name of the standard which defines Public Key Infrastructure and the format of SSL/TLS Certificates. My question is: What does x509 mean?

In a X.509 certificate, the name of the issuer (in your example, A's name) is also included (as issuerDN). Also, a certificate can contain an extension which points to a place where the issuer's certificate can …

Mar 22, 2019 · Is the serial number attribute of an X509 certificate Issuer or Subject, as defined in RFC5280, required to be the same as the Serial Number of the issuing or subject certificate? It …

May 4, 2021 · Is there any difference between a X509 TLS client cert and a server cert? I had been implementing certificate-based mutual authentication and hence trying to get/use certificates for IoT …

Jul 11, 2022 · I understand how Key Usage Extension of x.509 certificate works. I have gone through the Key Usage section of RFC5280 and I know of all the valid values and what they mean. But what I …