ACtE05 · Chapter 5Networks & Security🏛️ Past Licensure QuestionID: 41d52baa
RSA numerical: p=5, q=11, e=3, message M=9. Find C and d (and decrypt).
RSA numerical: p=5, q=11, e=3, message M=9. Find C and d (and decrypt).
Multiple Choice Options
- A✓ Correct Option
C = 14 (mod 55); d = 27; decryption recovers M = 9
- B
C = 9 (mod 55); d = 3; decryption M = 5
- C
C = 55 (mod 11); d = 9; decryption M = 14
- D
C = 3 (mod 5); d = 11; decryption M = 27
Detailed Technical Solution & Explanation
According to standard engineering principles, for RSA numerical: p=5, q=11, e=3, message M=9. Find C and d (and decrypt)., the correct choice is C = 14 (mod 55); d = 27; decryption recovers M = 9.
Option Analysis:
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Option A (C = 14 (mod 55); d = 27; decryption r...): Correct. Valid technical statement directly addressing the question requirement.
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Option B (C = 9 (mod 55); d = 3; decryption M = 5): Incorrect. Does not satisfy the technical condition or specifies an alternate/invalid property.
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Option C (C = 55 (mod 11); d = 9; decryption M ...): Incorrect. Does not satisfy the technical condition or specifies an alternate/invalid property.
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Option D (C = 3 (mod 5); d = 11; decryption M = 27): Incorrect. Does not satisfy the technical condition or specifies an alternate/invalid property.
Reference: Demo2 · Set 1NEC Licensure Syllabus