QUARK: A Lightweight Hash

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Provided by: International Association for Cryptologic Research
Topic: Security
Format: PDF
The need for lightweight (that is, compact, low-power and low-energy) cryptographic hash functions has been repeatedly expressed by professionals, notably to implement cryptographic protocols in RFID technology. At the time of writing, however, no algorithm exists that provides satisfactory security and performance. The ongoing SHA-3 competition will not help, as it concerns general-purpose designs and focuses on software performance. This paper thus proposes a novel design philosophy for lightweight hash functions, based on the sponge construction in order to minimize memory requirements.
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