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Message authentication code. In cryptography, a message authentication code ( MAC ), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity -checking a message. In other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed (its integrity).
CBC-MAC. In cryptography, a cipher block chaining message authentication code ( CBC-MAC) is a technique for constructing a message authentication code (MAC) from a block cipher. The message is encrypted with some block cipher algorithm in cipher block chaining (CBC) mode to create a chain of blocks such that each block depends on the proper ...
One-key MAC ( OMAC) is a family of message authentication codes constructed from a block cipher much like the CBC-MAC algorithm. It may be used to provide assurance of the authenticity and, hence, the integrity of data. Two versions are defined: The original OMAC of February 2003, which is seldom used. [1] The preferred name is now "OMAC2". [2]
Mandatory access control. In computer security, mandatory access control ( MAC) refers to a type of access control by which a secured environment (e.g., an operating system or a database) constrains the ability of a subject or initiator to access or modify on an object or target. [1] In the case of operating systems, the subject is a process or ...
ACPI compliance system, A generic motherboard compatible with the Intel i965 chipset, Up to 64 GB of RAM for guest virtual machines, Up to 2 GB of video RAM (VRAM), VGA and SVGA video adapter with VESA 3.0 support and OpenGL and DirectX 10.1 acceleration, A 1.44 MB floppy drive, which can be mapped to a physical drive or to an image file, Up to ...
In computing, the USB human interface device class ( USB HID class) is a part of the USB specification for computer peripherals: it specifies a device class (a type of computer hardware) for human interface devices such as keyboards, mice, game controllers and alphanumeric display devices . The USB HID class is defined in a number of documents ...
Extension (Mac OS) On the classic Mac OS (the original Apple Macintosh operating system ), extensions were small pieces of code that extended the system's functionality. They were run initially at start-up time, and operated by a variety of mechanisms, including trap patching and other code modifying techniques.
In Mac OS X 10.4 and later releases, the drivers for AirPort Extreme network adapters allow the adapter to be put into monitor mode. Libpcap 1.0.0 and later provides an API to select monitor mode when capturing on those operating systems. See also. Promiscuous mode; Comparison of open-source wireless drivers; References