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Authority in a network (PKI) that issues and manages security credentials and public keys for message encryption.
A list of subscribers paired with their digital signature status, specifically the revoked certificates and the reason for the revocation
A digital document which is generally stored and administered in a central directory. It contains the certificate holder's name, a serial number, expiration dates, public key and the digital signature of the certificate issuing authority.
An electronic value that authenticates the identity of the sender, ensures the original content of the message is unchanged, is easily transportable, cannot be easily repudiated, cannot be imitated, and can be automatically time stamped.
Standard for checking whether digital certificates are valid at the time of a given transaction.
The private part of a two-part, public key asymmetric cryptography system. The private key is provided by a certificate authority, kept secret and never transmitted over a network.
The public part of a two-part, public key asymmetric cryptography system. The public key is provided by a certificate authority and can be retrieved over a network.
A system that enables users of a public network to exchange data securely and privately through the use of a public and private cryptographic key pair that is obtained and shared through a trusted authority. Provides for a digital certificate that can identify an individual or an organization and director services that can store and, when necessary, revoke the certificates. The comprehensive architecture includes key management, the registration authority, certificate authority, and various administrative tool sets.
Set of intervendor standard protocols for making possible secure information exchange on the Internet using a public key infrastructure. Standards include RSA encryption, password-based encryption, extended certificate syntax, and cryptographic message syntax for S/MIME.
The authority in a Public Key Infrastructure that verifies user requests for a digital certificate and tells the certificate authority it is alright to issue a certificate.