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Formally, a message authentication code (MAC) system is a triple of efficient [4] algorithms (G, S, V) satisfying: G (key-generator) gives the key k on input 1 n, where n is the security parameter. S (signing) outputs a tag t on the key k and the input string x. V (verifying) outputs accepted or rejected on inputs: the key k, the string x and ...
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".
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HMAC-SHA1 generation. In cryptography, an HMAC (sometimes expanded as either keyed-hash message authentication code or hash-based message authentication code) is a specific type of message authentication code (MAC) involving a cryptographic hash function and a secret cryptographic key.
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 ...
The splash screen under Mac OS 8. The "Welcome to Macintosh" screen seen in System 7.5 and earlier. A Happy Mac is the normal bootup (startup) icon of an Apple Macintosh computer running older versions of the Mac operating system. It was designed by Susan Kare in the 1980s, drawing inspiration from the design of the Compact Macintosh series and ...
The first known attempt by Apple to move to Intel's platform was the Star Trek project, a code name given to a secret project to run a port of Classic Mac OS System 7 and its applications on an Intel-compatible personal computer. [10] The effort began on February 14, 1992, with the blessing of Intel's then-CEO Andy Grove. [10]
On the Popeyes app or website, the chain is giving away a free 6-piece order of Boneless Wings with any $10 purchase from now through July 14. Earlier this month, Popeyes entered the fast-food ...