Revocation

Under revocation (engl. Revocation ) is understood today in asymmetric cryptosystems, the backing of a public key .

This is necessary if such a key has been compromised or there is a suspicion that the key is no longer secure. The revocation prevents misuse of the key and u. & Financial damage. Revocation involves making the key invalid. The revozierte key of a certification authority in a certificate revocation list recorded (CRL), which is visible for validation.

If one was asked to a duel for the purpose of satisfaction due to a word or an utterance until the end of the German Empire , one could escape this by revoking . Revoking stood here for the withdrawal of the decisive word or the decisive utterance or the revocation of it.