# Schneier 2025: Substitution Cipher Based on The Voynich Manuscript

> Bruce Schneier, 2025. 3 records on Mysteries Department cite it. Cited in three methods surveys as a source on the Naibbe cipher.

Source: https://mysteriesdept.com/sources/SRC0D8MSX567NRN/substitution-cipher-based-on-the-voynich-manuscript  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[Voynich Manuscript](https://mysteriesdept.com/mysteries/voynich-manuscript)Schneier 2025

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# Substitution Cipher Based on The Voynich Manuscript

Bruce Schneier, 2025. _Schneier on Security (blog)_.

A December 2025 post on Bruce Schneier's security blog about a substitution cipher modelled on the Voynich manuscript, the Naibbe cipher.

**Voynich Manuscript** Web pageChecked against the original0

## What it's used for here

Cited in three methods surveys as a source on the Naibbe cipher.

## Cited by on this site 3 records

[3 methods surveys]

Mixed keys, frameworks of inquiry, encoding procedures

SRC

## Cite it

```
Schneier, B. (2025). Substitution Cipher Based on The Voynich Manuscript. Schneier on Security (blog). https://www.schneier.com/blog/archives/2025/12/substitution-cipher-based-on-the-voynich-manuscript.html
```

[Read it free at schneier.com](https://www.schneier.com/blog/archives/2025/12/substitution-cipher-based-on-the-voynich-manuscript.html)

Key

**SRC** 0D8MSX567NRN

Kind

Web page

Rights

unknown

Checked

Against the published original

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

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[CSL-JSON](https://mysteriesdept.com/sources/SRC0D8MSX567NRN/substitution-cipher-based-on-the-voynich-manuscript/csl.json)