X.509
In cryptography, X.509 is an International Telecommunication Union standard defining the format of public key certificates. X.509 certificates are used in many Internet protocols, including TLS/SSL, which is the basis for HTTPS, the secure... Wikipedia
Base standards: ASN.1
Domain: Cryptography
First published: 1.0 at November 25, 1988; 35 years ago
Latest version: 9.1; October 14, 2021; 2 years ago
Organization: ITU-T
Related standards: ISO/IEC 9594-8:2020, X.500
Series: X