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Almost all the commercial banks in China use USB Token with RSA-coprocessor tamper-resistant crypto-device to ensure the security of Internet Banking transactions. To evaluate the security of such Tokens objectively, finished practical SPA (Simple Power Analysis) attack on four kinds of USB Token from different suppliers in this paper, and all the correct RSA private keys were gotten successfully...
The Scarani-Acin-Ribordy-Gisin 2004 (SARG04) protocol was proposed by V. Scarani et al. In this paper, the performance of SARG04 protocols utilizing weak coherent state (WCS) and heralded single photon source (HSPS) are investigated, and the influence of decoy-state idea on SARG04 protocol is analyzed. Furthermore, the choice of optimal signal intensity for SARG04 protocol is discussed and the condition...
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