The process of reliably determining the identity of a communicating party. Identity can be proven by something you know (such as a password), something you have (such as a private key or token), or so [..]

A server, in a trusted organization, which issues digital certificates. The CA manages the issuance of new certificates and revokes certificates that are no longer valid for authentication. A CA may a [..]

A cipher is an encryption algorithm. The cipher you select determines which mathematical algorithm is used to obscure the data being sent after a successful Secure Shell connection has been establishe [..]

A digitally signed list of certificates that have been revoked by the Certification Authority. Certificates identified in a CRL are no longer valid.

The assurance that data has not been changed from its original source. Methods to preserve data integrity are designed to ensure that data has not been accidentally or maliciously modified, altered or [..]

An integral part of a PKI (Public Key Infrastructure). Digital certificates (also called X.509 certificates) are issued by a certificate authority (CA), which ensures the validity of the information i [..]

Used to confirm the authenticity and integrity of a transmitted message. Typically, the sender holds the private key of a public/private key pair and the recipient holds the public key. To create the [..]

Encryption is the process of scrambling data by use of a secret code or cipher so it is unreadable except by authorized users. Encrypted data is far more secure than unencrypted data.

An application programming interface that provides programs with access to security services.

Also called a message digest, a hash or hash value is a fixed-length number generated from variable-length digital data. The hash is substantially smaller than the original data, and is generated by a [..]