| 单词 | X.509 |
| 释义 | X.509 An ITU-T Recommendation (1988) for a public key infrastructure (PKI). X.509 establishes a hierarchical structure of certificate authorities (CAs) that issue digital certificates, which are electronic credentials that authenticate the identity of users on the Internet and intranets. See also authentication, CA, digital certificate, Internet, intranet, and PKI. |
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