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When used in cryptography, commonly the passphrase protects a long machine generated key, and the key protects the data. The key is so long a brute force attack directly on the data is impossible. A key derivation function is used, involving many thousands of iterations (salted & hashed), to slow down password cracking attacks.
The RSA SecurID authentication mechanism consists of a "token"—either hardware (e.g. a key fob) or software (a soft token)—which is assigned to a computer user and which creates an authentication code at fixed intervals (usually 60 seconds) using a built-in clock and the card's factory-encoded almost random key (known as the "seed").
The continue feature was added to arcade games in the mid-1980s due to arcade owners wanting to earn more money from players who played for longer periods of time. [42] The first arcade game to have a continue feature was Fantasy, [42] and the first home console cartridge to have this feature was the Atari 2600 version of Vanguard.
Keystroke logging, often referred to as keylogging or keyboard capturing, is the action of recording (logging) the keys struck on a keyboard, [1] [2] typically covertly, so that a person using the keyboard is unaware that their actions are being monitored.
In May 2020, Spotify introduced the Group Session feature. This feature allows two or more Premium users in the same location to share control over the music that is being played. [285] The Group Session feature was later expanded to allow any Premium user to join/participate in a Group Session, with a special link the host can send to ...
The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low-level commands regardless of the system's state. It is often used to recover from freezes , or to reboot a computer without corrupting the filesystem . [ 1 ]
Snapchat is an American multimedia instant messaging app and service developed by Snap Inc., originally Snapchat Inc.One of the principal features of the multimedia Snapchat is that pictures and messages are usually available for only a short time before they become inaccessible to their recipients.
[53] [54] [55] In May 2014, Facebook introduced a feature to allow users to ask for information not disclosed by other users on their profiles. If a user does not provide key information, such as location, hometown, or relationship status, other users can use a new "ask" button to send a message asking about that item to the user in a single click.