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Difficulty: MediumCoding and Decoding

During a cybersecurity drill, passwords are obfuscated using a specific two-step alphabetic logic. If the system transforms the access word TABLE into HAZPW, what will the access word CHAIR be transformed into under the same logic?

  1. YTASJAnswer
  2. B
    XSZRI
  3. C
    DIBJS
  4. D
    WRYQH

Answer

The correct transformation for the word CHAIR is YTASJ.
The encryption logic applies a reverse alphabetical index to each letter (where A=Z, B=Y, etc.) and then shifts that result forward by one letter (+1). Applying this to CHAIR gives the intermediate letters XSZRI, which then shift +1 to become YTASJ.

Step-by-Step Solution

1
Analyze the transformation from TABLE to HAZPW to identify the first logical step.
The reverse alphabetical equivalents for T-A-B-L-E are G-Z-Y-O-V.
Finding the foundational pattern requires testing common cryptographic shifts, starting with opposite letters.
2
Determine the second logical step by comparing the intermediate reversed letters to the final code.
Shifting G-Z-Y-O-V forward by one letter (+1) in the alphabet results in H-A-Z-P-W.
This confirms the two-step logic: reverse the letter, then shift +1.
3
Apply the first step (reverse alphabet) to the target word CHAIR.
The reverse alphabetical equivalents for C-H-A-I-R are X-S-Z-R-I.
To begin encrypting the new access word according to the established rule.
4
Apply the second step (+1 shift) to the intermediate result.
Shifting X-S-Z-R-I forward by one letter (+1) results in Y-T-A-S-J.
To complete the obfuscation logic and determine the final coded sequence.

Key Concept

Reverse Alphabetical Indexing and Positional Shifting
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Topics

Coding and Decoding

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