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<p>of  modulo . The difficulty of computing  without knowing the factorization of  is thus the difficulty of computing : this is known as the <a href="page.php?w=RSA_problem">RSA problem</a> which can be solved by factoring . The owner of the private key knows the factorization, since an RSA private key is constructed by choosing  as the product of two (randomly chosen) large primes  and . Only  is publicly disclosed, and given the <a href="page.php?w=Integer_factorization">difficulty to factor large numbers</a> we have the guarantee that no one</p><p>
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