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In an RSA system with p = 3, q = 11 and public exponent e = 7, the ciphertext for the plaintext 2 is

1386Medium DSSSB TGT Computer Science 0 replies 1 views
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In an RSA system with p = 3, q = 11 and public exponent e = 7, the ciphertext for the plaintext 2 is

  • A17
  • B29
  • C23
  • D31
Correct answer: B

Explanation

n = 3 × 11 = 33, so C = 2⁷ mod 33 = 128 mod 33 = 29.

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