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  • New Amino Acid Discovered; Fundamental Building Block Of Life
    a new fundamental particle or chemists discovering a new element. Two papers describing the discovery appear in the current issue of the journal . Prior to this, scientists had believed that there were only 21 natural amino acids -- the key building blocks of proteins. For 30 years after
  • Chevy's R07 Racing Engine: a Chip Off the Old Small Block
    fourth generation. Until now, all of GM 's small-block racing engines have shared key dimensions such as cylinder-bore spacing, camshaft location, and deck height with the original small-block V8 introduced in 1955. supplies the cylinder block, cylinder heads, and intake manifold for the new engine
  • ISO 9000:2000 The New Kid On The Block
    of this revision and the costs it will entail, organizations understandably have many questions and concerns. How does ISO 9000:2000 compare to the original version? The previous standard defined quality using 20 key elements a company must use to produce goods and services. Its purpose was
  • Data Encryption Standard (DES)
    Data encryption standard (DES) is a popular, symmetric-key encryption method developed in 1975 and standardized by ANSI in 1981 as ANSI X.3.92. DES uses a 56-bit key and the block cipher method to break text into 64-bit blocks and then encrypt them. Symmetric key techniques such as DES use the same
  • Analogue IC Design: The Current-Mode Approach
    Analogue IC Design: The Current-Mode Approach. This book draws upon contributions from the world's most eminent analogue IC designers to discuss the "true" complementary bipolar process, CMOS VLSI technology, and gallium arsenide processing, with key building blocks, circuit designs
  • Winning the Space Race
    a certain quantity of pellets. Care was taken to ensure that steady state was achieved prior to collecting any pellet samples. The pellet samples that were taken were encapsulated and subjected to analytical measurements. The key analytical test was dissolution. To analyze the rate of dissolution
  • Racing to tech transfer
    under the hood of a C6-R race car reveals a carbon-fiber intake box fed by two ducts. Each duct flange contains a 31.5-mmdiameter restrictor plate. The plates limit airflow to the 7.0-liter engine and cap power output at about 590 hp. Race rules key restrictor size to car weight; heavier cars get
  • Feedback Control of Computing Systems - Preface
    to make the book more useful as a reference. and more self-contained. Appendix A summarizes the mathematical notation. used, Appendix B lists key acronyms, and Appendix C contains key results. developed in the book. Anothertwo appendixes contain supplemental material. Appendix D describes results

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  • Encyclopedia of Cryptography and Security
    RC? is an iterative secret- key block cipher published by Rivest [?] in ????.
  • Encyclopedia of Cryptography and Security
    MAC Session Key The MAC Session Key KS either consists of only a leftmost key block KS = KSL or the concatenation of a leftmost and a rightmost .
  • Fast Software Encryption
    Inspired by [16], we note that APE can also be described as a block cipher based design: we drop the key additions at the beginning and end, and replace the permutations with a keyed block cipher EK defined by EK := KpK := ?0 �
  • Fast Software Encryption
    Many hash functions based on a fixed- key block cipher (also called permutation based hash functions) have also been proposed [32,43,48].
  • Advances in Cryptology � CRYPTO 2013
    For k-bit keys block ciphers, the resistance to dif- ferential cryptanalysis means p?Br max > 2k , which gives a criteria on r and pmax for the security of the cipher.
  • The key?group method
    Abstract This paper proposes an extension to the key?block method, called �key?group method�, that considers not only individual key blocks but also groups of collapsable blocks into an iterative and progressive analysis of the stability of discontinuous rock slopes.
  • Cryptographic systems
    Differently however. by synchronization errors: As the pseudozuf�llige current of " key blocks enc(k,ai?1) independently of the processing of " the plaintext or key text blocks is generated, all following blocks are distorted until restoration of synchronization .
  • Fast Software Encryption
    the block cipher size is n bits and the compression function output size is 2n), from simple- key block ciphers such as AES-128 or double-key such as AES-256 [11].