Question: By applying permutation (31254) and substitution by 5 characters away from current character (A Æ F , B Æ G etc..) the following string ABRACADABRA becomes
Answer:
MCQ: By applying permutation (31254) and substitution by 5 characters away from current character (A Æ F , B Æ G etc..) the following string ABRACADABRA becomes
Correct Answer:
A. FGWCAAADRBF
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Related Questions
- 1. The following ciphertext was received. The plaintext was permuted using permutation (34152) and substitution. Substitute character by character +3 (A Æ D, etc). The plain text after decryption is: Cipher text :PDLJDLXHVQC
- 2. By symmetric key encryption we mean
- 3. The Acronym DES stands for
- 4. DES works by using
- 5. DES </br> (i) is a symmetric key encryption method </br> (ii) guarantees absolute security </br> (iii) is implementable as hardware VLSI chip </br> (iv) is a public key encryption method </br>
- 6. DES using 56 bit keys
- 7. Triple DES uses
- 8. ripple DES
- 9. Triple DES
- 10. Public key encryption method is a system
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