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Issue No.02 - March/April (2012 vol.9)
pp: 303-304
Xun Yi , Victoria University, Melbourne
ABSTRACT
Recently, Bertino, Shang and Wagstaff proposed a time-bound hierarchical key management scheme for secure broadcasting. Their scheme is built on elliptic curve cryptography and implemented with tamper-resistant devices. In this paper, we present two collusion attacks on Bertino-Shang-Wagstaff scheme. The first attack does not need to compromise any decryption device, while the second attack requires to compromise single decryption device only. Both attacks are feasible and effective.
INDEX TERMS
Secure broadcasting, time-bound hierarchical key management, elliptic curve cryptography.
CITATION
Xun Yi, "Security of Bertino-Shang-Wagstaff Time-Bound Hierarchical Key Management Scheme for Secure Broadcasting", IEEE Transactions on Dependable and Secure Computing, vol.9, no. 2, pp. 303-304, March/April 2012, doi:10.1109/TDSC.2010.42
REFERENCES
[1] E. Bertino, N. Shang, and S.S. Wagstaff Jr., “An Efficient Time-bound Hierarchical Key Management Scheme for Secure Broadcasting,” IEEE Trans. Dependable and Secure Computing, vol. 5, no. 2, pp. 65-70, Apr.-June 2008.
[2] H.Y. Chien, “Efficient Time-bound Hierarchical Key Assignment Scheme,” IEEE Trans. Knowledge and Data Eng., vol. 16, no. 10, pp. 1302-1304, Oct. 2004.
[3] N. Jacobson, Basic Algebra, I, Freeman, 1985.
[4] W.G. Tzeng, “A Time-bound Cryptographic Key Assignment Scheme for Access Control in a Hierarchy,” IEEE Trans. Knowledge and Data Eng., vol. 14, no. 1, pp. 182-188, Jan./Feb. 2002.
[5] X. Yi, Y. Ye, “Security of Tzeng's Time-bound Key Assignment Scheme for Access Control in a Hierarchy,” IEEE Trans. Knowledge and Data Eng., vol. 15, no. 4, pp. 1054-1055, July./Aug. 2003.
[6] X. Yi, “Security of Chien's Efficient Time-bound Hierarchical Key Assignment Scheme,” IEEE Trans. Knowledge and Data Eng., vol. 17, no. 9, pp. 1298-1299, Sept. 2005.
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