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Substitution Cipher Based on The Voynich Manuscript

Schneier · 2025 · Schneier on Security (blog)

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Cited by

Survey: fifteenth-century Italian mixed keys and how they were broken	SRC0D8NJCVA17PZ
Survey: frameworks of inquiry (deduction, induction, abduction)	SRC0D8NJD3419ZB
Survey: table-driven encoding procedures, 1380-1520, and process identification	SRC0D8NJCKG5DMJ

Cite

Schneier, B. 2025. Substitution Cipher Based on The Voynich Manuscript. Schneier on Security (blog).

@misc{schneier2025substitution,
  author = {Schneier, Bruce},
  title = {Substitution Cipher Based on The Voynich Manuscript},
  howpublished = {Schneier on Security (blog)},
  year = {2025},
  url = {https://www.schneier.com/blog/archives/2025/12/substitution-cipher-based-on-the-voynich-manuscript.html}
}

Web: https://www.schneier.com/blog/archives/2025/12/substitution-cipher-based-on-the-voynich-manuscript.html
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Cite key: schneier2025substitution

In the research Session 7: Phase 3: procedures, fragments, lists, transliteration; book v1.2ConsultedSession 8: Phase 4: the chancery key; book v1.3ConsultedSession 9: The inquiry framework, the inductive battery, generated hypotheses and readingsConsulted

History

v1 · 25 Oct 2026 · Voynich Manuscript: sync from the research ledger