SSL Glossary

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A2

Authenticate
To verify the identity of a user, device, or other entity in a computer system, often as a prerequisite to allowing access to resources in a system. Data that has been stored or transmitted in a way that is likely to expose it to possible unauthorized modification. Authenticate is related to secure authentication and secure SSL authentication which provides Internet security and Network Security. Identities may be authenticated biometrically (for example, by fingerprint), or by something the user knows (i.e., a password), or something the user has (i.e., a token or digital certificate).
Authentication
The act of determining a message has not been changed since leaving its point of origin. Authentication, secure authentication or secure SSL authentication of a user, is usually derived from something that the user understands, is or has. Many SSL Authentication systems which provide SSL Internet Security and online payment system security are now shifting toward public key encryption.
Authentication Header
An Internet IPsec protocol, A field that immediately follows the IP header in an IP datagram and provides authentication and integrity checking for the datagram. Also protection against replay attacks; it secures authentication like SSL digital ID validation.
Authentication Token
A portable device used for authenticating a user. Authentication tokens operate by challenge/response, time-based code sequences, or other techniques. This may include paper-based lists of one-time passwords.
Authenticator
A record containing information that can be shown to have been recently generated using the session key known only by the client and server.
Authenticity
SSL Certificate security must be genuine and verifiable. In SSL Internet security and network security, it is imperative that authenticity is not assumed.
Authenticode
A technology that makes it possible to identify who published a piece of software and to verify that it has not been tampered with. It also confirms that the digital certificate used to sign the code was issued by the certificate authority originally.
Authorization
The act of granting access or other rights to a user, process, or program that has been authenticated.
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