Sameh S. Daoud

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Let (n = pq, e) be an RSA public key with private exponent d = n<sup>delta</sup>, where p and q are large primes of the same bit size. Suppose that p<sub>o</sub> ges radicn be an approximation of p with |p - po| les 1/8n<sup>alpha</sup>, alpha les 1/2. Using continued fractions, we show that the system is insecure if delta &lt; 1-alpha/2. Our result is(More)
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