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← Logic & PuzzlesIf a sender increases the size of the prime numbers *p* and *q* used to generate the modulus *n* in an RSA cryptosystem, which consequence follows?
A)Decryption speed greatly increases
B)Key generation becomes less complex
C)The ciphertext becomes more compact
D)The cipher is harder to break✓
💡 Explanation
A larger modulus makes the RSA cipher harder to break because the factoring problem becomes computationally more difficult; therefore, security increases, rather than decryption speed or key generation complexity improving, since these depend on the size of the keys and the mathematical operations involved.
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