# Greshko 2025: The Naibbe cipher: a substitution cipher that encrypts Latin and Italian as Voynich manuscript-like ciphertext

> Michael A. Greshko, 2025. 9 records on Mysteries Department cite it. The book and the surveys treat it as the strongest current cipher proposal and test…

Source: https://mysteriesdept.com/sources/SRC08JHZJJR0Z8T/the-naibbe-cipher-a-substitution-cipher-that-encrypts-latin  
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)Greshko 2025

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# The Naibbe cipher: a substitution cipher that encrypts Latin and Italian as Voynich manuscript-like ciphertext

Michael A. Greshko, 2025. _Cryptologia_.

Presents the Naibbe cipher, a verbose homophonic substitution that turns Latin or Italian into text with the Voynich Manuscript's unusual statistics, as evidence the manuscript could be a ciphertext.

**Voynich Manuscript** Articledoi: **[10.1080/01611194.2025.2566408](https://doi.org/10.1080/01611194.2025.2566408)** Checked against the original0

## What it's used for here

The book and the surveys treat it as the strongest current cipher proposal and test its predictions against the text's spelling-use coupling.

## Cited by on this site 9 records

[The Voynich Manuscript](https://mysteriesdept.com/mysteries/voynich-manuscript)

The mystery article

MYS

[Reading Without a Key](https://mysteriesdept.com/sources/SRC0D8NJAWT22V4/reading-without-a-key)

The book, version 2.0

SRC

[Toward a Reading of the Voynich Manuscript](https://mysteriesdept.com/sources/SRC0D8NJAN066JH/toward-a-reading-of-the-voynich-manuscript-lexical-anchors)

The March 2026 draft

SRC

[6 methods surveys]

Cryptanalysis, mathematics, linguistics, mixed keys, inductive methods, encoding procedures

SRC

## Cite it

```
Greshko, M. A. (2025). The Naibbe cipher: a substitution cipher that encrypts Latin and Italian as Voynich manuscript-like ciphertext. Cryptologia. https://doi.org/10.1080/01611194.2025.2566408
```

[Read it free at doi.org](https://doi.org/10.1080/01611194.2025.2566408)

Key

**SRC** 08JHZJJR0Z8T

Kind

Journal article

Rights

CC-BY-4.0

Checked

Against the published article

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The record

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