X.509 Certificate

Full Name or Meme

A structure defined by the CCITT (now ITU) that binds a Subject name to a public key and a set of Attributes.

Context

• Up until the 1970's the Postal and Telecommunications Agencies of the world governments just knew that they were responsible for assigning names and numbers to everything on the planet.
• At that time only a few of the world governments, like the US, had placed the responsibilities for such naming and numbering in private hands.
• Still in the US AT&T acted with the impunity of a government agency, until they were challenged in court by companies like MCI.
• With all of the arrogance of a government body, the ITU's Committee on Communications and International Telephone and Telegraph (CCITT), decided to specifiy the structure of email and the corresponding security.

Solutions

• The content of a Web Site certification is reasonably well defined