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- K. H. Rahouma
- 2006

This paper proposes a new modified variant of Menezes and Vanstone elliptic curve cryptosystem. This new variant uses the same original Menezes and Vanstone elliptic curve cryptosystem but in an elegant way. The new variant uses a not only one elliptic curve but a number of curves. Each curve is chosen with its corresponding keys to constitute a separate… (More)

- K. H. Rahouma
- 2006

This paper introduces a knapsack cryptosystem based on the problem of discrete logarithm. The proposed algorithm obtains the public knapsack values by finding the discrete logarithms of the secret knapsack ones. Also, it encrypts the message block by obtaining its binary bits and then computing the modular multiplication of the public knapsack values… (More)

- Kamel Hussein Rahouma
- Egyptian Computer Science Journal
- 2006

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