ARMADILLO: A Multi-purpose Cryptographic Primitive Dedicated to Hardware

This paper describes and analyzes the security of a general-purpose cryptographic function design, with application in RFID tags and sensor networks. Based on these analyzes, we suggest minimum parameter values for the main components of this cryptographic function, called ARMADILLO. With fully serial architecture we obtain that 2 923 GE could perform one compression function computation within 176 clock cycles, consuming 44 μW at 1 MHz clock frequency. This could either authenticate a peer or hash 48 bits, or encrypt 128 bits on RFID tags. A better tradeoff would use 4 030 GE, 77 μW of power and 44 cycles for the same, to hash (resp. encrypt) at a rate of 1.1 Mbps (resp. 2.9 Mbps). As other tradeoffs are proposed, we show that ARMADILLO offers competitive performances for hashing relative to a fair Figure Of Merit (FOM).


Published in:
Proceedings of the Workshop on Cryptographic Hardware and Embedded Systems (CHES), 6225, 398-412
Presented at:
Workshop on Cryptographic Hardware and Embedded Systems (CHES), Santa Barbara, California, USA, August 17-20, 2010
Year:
2010
Publisher:
Springer
Keywords:
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 Record created 2010-08-23, last modified 2018-03-18

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