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Personal and Ubiquitous Computing
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NordSec'11 Proceedings of the 16th Nordic conference on Information Security Technology for Applications
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Journal of Medical Systems
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RFIDSec'12 Proceedings of the 8th international conference on Radio Frequency Identification: security and privacy issues
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MICROW '12 Proceedings of the 2012 45th Annual IEEE/ACM International Symposium on Microarchitecture Workshops
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ACNS'13 Proceedings of the 11th international conference on Applied Cryptography and Network Security
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This paper presents the silicon chip ECCon, an Elliptic Curve Cryptography processor for application in Radio-Frequency Identification. The circuit is fabricated on a 180 nm CMOS technology. ECCon features small silicon size (15K GE) and has low power consumption (8.57 μW). It computes 163-bit ECC point-multiplications in 296k cycles and has an ISO 18000-3 RFID interface. ECCon's very low and nearly constant power consumption makes it the first ECC chip that can be powered passively. This major breakthrough is possible because of a radical change in hardware architecture. The ECCon datapath operates on 16-bit words, which is similar to ECC instruction-set extensions. A number of innovations on the algorithmic and on the architectural level substantially increased the efficiency of 163-bit ECC. ECCon is the first demonstration that the proof of origin via electronic signatures can be realized on RFID tags in 180 nm CMOS and below.