CRYPTANALYSIS OF RSA KEY EQUATION OF N=p^2q FOR SMALL |2q – p| USING CONTINUED FRACTION
DOI:
https://doi.org/10.22452/mjs.vol39no1.6Keywords:
RSA cryptosystem, continued fractions, secret exponent, cryptanalysisAbstract
This paper presents a new factoring technique on the modulus , where and are large prime numbers. Suppose there exists an integer satisfies the equation , for some unknown integer and is the Euler’s totient function. Our method exploits the term to be the closest integer to the unknown parameter . Hence we show that the unknown parameters and can be recovered from the list of the continued fractions expansion of 
Furthermore, we present an algorithm to compute the prime factors of in polynomial time after obtaining the correct tuple and.
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