Breaking the Block Cipher PUFFIN for WID Tags

摘要：

PUFFIN is proposed by H. Cheng, H. M. Heys and C. Wang in DSD 2008 for embedded applications such as RFID tags. It is a 32-round SP-network block cipher with block size 64 bits and key size 128 bits. In this paper, we give the first cryptanalytic results for the full 32-round PUFFIN. At first, we present the differential cryptanalysis and recover the 128-bit key for the full 32-round PUFFIN with 264 chosen plaintexts, 2112 32-round encryptions and 28 6-bit counters. Moreover we give the linear cryptanalysis on the full 32-round PUFFIN with 262 known plaintexts, 235 counters, 293.7 32-round encryptions.

关键词： PUFFIN RRFID-Tags Differential Cryptmalysis Linear Cryptanalysis

作者: Yue Sun Meiqin Wang Zhenli Dai

作者单位: Key Laboratory of Cryptologic Technology and Information Security,Ministry of Education, Shandong University,Jinan, China

会议类型: 国际会议

会议名称: 2010 International Conference on Information Security and Artificial Intelligence(2010年信息安全与人工智能国际会议 ISAI 2010)

会议地点: 成都

会议语种:英文

页码: 196-201

在线出版日期: 2010-12-17（万方平台首次上网日期，不代表论文的发表时间）