The International Conference on Historical Cryptology (HistoCrypt 2025) invites submissions of papers to its annual conference on historical cryptology. Local organiser of Histocrypt 2025 conference is Enigma Cipher Centre. Enigma Cipher Centre is a place presenting the history of the breaking of the Enigma code by Polish mathematicians, in particular of the beginnings of their work in Poznań. It also talks about encoding messages over the centuries and development of computers and computer science. Enigma Cipher Centre is a part of Poznań Heritage Centre. The conference will be held in Zamek Culture Centre in Poznań, Poland.

HistoCrypt addresses all aspects of historical cryptology/cryptography including work in closely related disciplines (such as history, history of ideas, computer science, AI, (computational) linguistics, or image processing) that is sufficiently formalized or applied, with relevance to historical ciphertexts and codes.