Signature

See Certificate.

The unconscious ability of a dealer to place a ball within a given distance from the last hit.

(1) Distinctive type of radiation emitted or reflected by a target, which can be used to identify that target. (2) The characteristic pattern of a target displayed by detection and identification equipment.

A small "footer" that is added to the end of your outgoing email messages which contains text that you specify. This is usually used to specify your name, email address, website, address, phone number, etc. or anything else you want to be on the bottom of all the messages you send! When sending a message you can usually specify whether or not you want the signature to be appended to that message. Some providers allow you to set up more than one signature and you can select which one you want to use (if any).

Data that binds a sender's identity to the information being sent. A digital signature may be bundled with any message, file, or other digitally encoded information, or transmitted separately. Digital signatures are used in public key environments and provide nonrepudiation and integrity services.

Refers to a digital signature, which is a mathematical way to confirm the authenticity of a digital message. AWS uses signatures to authenticate the requests you send to our web services. For more information, to http://aws.amazon.com/security.

A recognizable, distinguishing pattern associated with an attack, such as a binary string in a virus or a particular set of keystrokes used to gain unauthorized access to a system.

1. The complete set of signals, usually electromagnetic or acoustic, received from a source such as an infrared object, a radio or radar transmitter, an aircraft, or a ship. Note: Signatures may consist of analog or digital signals, or both, and may be analyzed to indicate the nature of their source and assist in its recognition. 2. The attributes of an electromagnetic or acoustic wave that has been reflected from or transmitted through an object and contains information indicating the attributes of the object. Note: In this context, "objects" may include man-made objects or natural ones, the latter including both those that are well defined, e.g., terrain, and those that are not, e.g., weather phenomena. See also digital signature [7498-2].