Submitted on: 02 May 2017.
Revised on: 26 May 2017.
Accepted on: 25 June 2017.
___________________IEEE Transactions on Dependable and Secure Computing
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Submitted on: 15 March 2006.
Revised on: 16 June 2006.
Accepted on: 15 July 2006.
___________________IEEE Transactions on Dependable and Secure Computing
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Submitted on: 12 September 2005.
Revised on: 12 November 2005.
Accepted on: 22 November 2005.
___________________IEEE Transactions on Dependable and Secure Computing
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