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← Logic & PuzzlesWithin the context of RSA cryptography, which outcome arises when assuming a number, 'n', can be factored efficiently despite its selection following established prime number generation protocols?
A)Public key remains perpetually valid
B)Secure communication becomes impossible✓
C)Encryption strength is unconditionally reinforced
D)Key generation remains computationally expensive
💡 Explanation
Secure communication becomes impossible because the *proof by contradiction* shows that if efficient factoring is possible, it violates the fundamental security premise of RSA. Therefore, the assumption leads to an impossibility, rather than maintaining security or computational expense.
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