A person (see definition for PERSON) authorized to issue certificates Under the VeriSign PCS, a CA is subordinate to a PCA (Cf , REGISTRATION AUTHORITY; TRUSTED THIRD PARTY)
An entity that issues digital certificates (especially X 509 certificates) and vouches for the binding between the data items in a certificate See Also X 509
A third party organisation which is used to confirm the relationship between a party to the https transaction and that party's public key Certification authorities may be widely known and trusted institutions for internet based transactions, though where https is used on companies internal networks, an internal department within the company may fulfill this role
An internal entity or a trusted third-party organization that issues digital certificates used to create digital signatures and public-private key pairs CAs are a critical component in data security and electronic commerce because they guarantee that the two parties exchanging information are really who they claim to be They issue, sign, revoke and manage digital certificates
A trusted third party whose purpose is to sign certificates for network entities it has authenticated using secure means Other network entities can check the signature to verify that a CA has authenticated the bearer of a certificate See: SSL/TLS Encryption
A trusted third-party organization or company that issues digital certificates used to create digital signatures and public-private key pairs The role of the CA in this process is to guarantee that the individual granted the unique certificate is, in fact, who he or she claims to be Usually, this means that the CA has an arrangement with a financial institution, such as a credit card company, which provides it with information to confirm an individual's claimed identity CAs are a critical component in data security and electronic commerce because they guarantee that the two parties exchanging information are really who they claim to be (Added: 9/27/99)
An entity (referred as a trusted third party) that attests to the identity of a person or an organization A CA might be an external company offering certificate services or it might be an internal organization, such as a corporate MIS department The CA's chief function is to verify the identity of entities and issue digital certificates attesting to that identity
An authority trusted by one or more users to create and assign public key certificates Optionally the Certification Authority may create the user's keys It is important to note that the Certification Authority is responsible for the public key certificates during their whole lifetime, not just for issuing them
An authority trusted by one or more users to create and assign certificates Optionally managers based on reliable technical information
An authority trusted by one or more users to create and assign public key certificates Optionally the CA may create the user's keys It is important to note that the CA is responsible for the public key certificates during their whole lifetime, not just for issuing them
The CA is an authority trusted by one or more users to issue and manage certificates The CA is the security solution for conducting business on the Internet The CA ensures that electronic transactions are conducted with confidentiality, data integrity, proper user authentication, and protection against repudiation NFC serves as the CA for its customers
– a trusted third-party organization that issues Digital Certificates for use in secured environments online Examples include Verisign, Thawte Consulting and QuoVadis