Example: nwdz typed with hands shifted one key left on QWERTY: n → b? No, left of n is b. w→q, d→s, z→a → bqsa — not likely.
Given it’s from a paper (or puzzle), the intended solution might be for the whole string except "Download-" .
Given the impossibility of solving without more info, my best guess is the author used to obscure a phrase like "open the file..." or something similar, and "Download-" is plaintext indicating the action. Download- nwdz lshrmwtt khlyjyt fatht layf ttshrmt...
Given the presence of "Download-" in plaintext, the rest might be the same cipher applied to a filename or URL. Possibly it's a keyboard shift where each letter is replaced by the key to its left/right on QWERTY.
Given the repeated "tt" and "rm" patterns, one common guess is Atbash (A↔Z, B↔Y, etc.) or a Caesar shift. Example: nwdz typed with hands shifted one key
If you share the full paper excerpt or the exact cipher definition from the paper, I can decode it precisely.
Instead, maybe it’s (common in puzzles). Given it’s from a paper (or puzzle), the
Right shift: n→m, w→e, d→f, z→/ → mef/ — maybe part of a path.