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The Online Certificate Status Protocol (OCSP) is a network protocol used for obtaining the revocation status of a digital certificate. It enables clients (like web browsers) to check whether a specific digital certificate, typically issued by a Certificate Authority (CA), is still valid or has been revoked before its expiration date. This is particularly important in scenarios where security and trust are vital, such as in SSL/TLS communications.

Ancestors (6)

  1. Cryptographic protocols
  2. Cryptography
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
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