Glossary:X.509: Difference between revisions
(Created page with "X.509 is a standard defining a format for a digital certificate which creates a strong association between a identity such as a web site and a public key. That public key can then be used to digitally sign a web page coming from the web site. The digital certificate itself is signed by a chain of higher level digital certificates ending in a "root certificate" which everyone trusts.") |
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X.509 is a standard defining a format for a digital certificate | X.509 is a standard defining a format for a digital certificate, associating an identity such as the owner of a web site or email address or a software publisher and a [[Glossary:Public key cryptography|public key]]. The certificate can then be used to cryptographically verify the authenticity of a web page, email or software purporting to come from the identity. The authenticity of the digital certificate itself is guaranteed by a chain of higher level digital certificates ending in a "root certificate" which everyone trusts. | ||
Latest revision as of 21:54, 19 April 2024
X.509 is a standard defining a format for a digital certificate, associating an identity such as the owner of a web site or email address or a software publisher and a public key. The certificate can then be used to cryptographically verify the authenticity of a web page, email or software purporting to come from the identity. The authenticity of the digital certificate itself is guaranteed by a chain of higher level digital certificates ending in a "root certificate" which everyone trusts.