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Self-signed Certificate

Overview[1]#

In cryptography and computer security, a Self-signed Certificate is an identity certificate that is signed by the same entity whose identity it certifies. This term has nothing to do with the identity of the person or organization that actually performed the signing procedure. In technical terms a self-signed certificate is one signed with its own Private Key.

In typical Public Key Infrastructure (PKI) arrangements, a Digital Signature from a Certificate Authority (CA) attests that a particular public key certificate is valid (i.e., contains correct information). When a Self-signed Certificate is used, there is no Trust Anchor that can participate in Certificate Validation.

Self-signed Certificate cannot (by nature) be revoked as there is no Trust Anchor that can participate in Certificate Validation.

More Information#

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