meaning of cert

1. CERT Computer Emergency Response Team Certificate Authority body> CA or "Trusted Third Party" An entity typically a company that issues digital certificates to other entities organisations or individuals to allow them to prove their identity to others. A Certificate Authority might be an external company such as VeriSign that offers digital certificate services or they might be an internal organisation such as a corporate MIS department. The Certificate Authoritys chief function is to verify the identity of entities and issue digital certificates attesting to that identity. The process uses public key cryptography to create a "network of trust". If I want to prove my identity to you, I ask a CA who you trust to have verified my identity to encrypt a hash of my signed key with their private key. Then you can use the CAs public key to decrypt the hash and compare it with a hash you calculate yourself. Hashes are used to decrease the amount of data that needs to be transmitted. The hash function must be cryptographically strong, e. g. MD5. http://home. netscape. com/comprod/server_central/support/faq/
2. an absolute certainty; "its a dead ">cert"

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