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Low-Cost Cryptographic Circuits for Authentication in Radio Frequency Identification Systems
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- Authors
- Moo Seop Kim, Jae Cheol Ryou, Yong Je Choi, Sung Ik Jun
- Issue Date
- 2006-06
- Citation
- International Symposium on Consumer Electronics (ISCE) 2006, pp.687-691
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- We present a new architecture of Advanced Encryption Standard (AES) cryptographic circuit which can be used as cryptographic primitives supporting privacy and authentication for Radio frequency identification (RFID). RFID is a technology to identify goods or person containing the tags. While it is a convenient way to track items, it also provides chances to track people and their activities through their belongings. For these reasons, privacy and authentication are a major concern with RFID system and many solutions have been proposed. M. Feldhofer, S. Dominikus, and J. Wolkerstorfer introduced the Interleaved Protocol which serves as a means of authenticating RFID tag to reader devices in [14]. They designed very small AES hardware circuit as a cryptographic primitive. The proposed circuit requires about 1,000 clock cycles to encrypt a 128-bit block of data. In this contribution, we introduce a novel method to increase the operating speed of previous method for low-cost AES cryptographic circuits. Our low-cost AES cryptographic circuit can encrypt 128-bit data block within 870 clock cycles using less than 4000 gates on a 0.25 μm CMOS process. © 2006 IEEE.
- KSP Keywords
- Advanced encryption standard, CMOS Process, Cryptographic circuit, Cryptographic primitives, Hardware Circuit, Identification system, Low-cost, Operating speed, Passive radio frequency identification(RFID), RFID Tag, RFID system