{"id":"schneier2025substitution","URL":"https://www.schneier.com/blog/archives/2025/12/substitution-cipher-based-on-the-voynich-manuscript.html","type":"webpage","title":"Substitution Cipher Based on The Voynich Manuscript","author":[{"given":"Bruce","family":"Schneier"}],"issued":{"date-parts":[[2025]]},"year-text":"2025","container-title":"Schneier on Security (blog)","catalog-key":"SRC0D8MSX567NRN"}