= Japanese cryptology from the 1500s to Meiji
{wiki=Japanese_cryptology_from_the_1500s_to_Meiji}
Japanese cryptology from the 1500s to the Meiji period (1868-1912) encompasses a range of practices and developments related to cryptography and secret communication in Japan. The history of Japanese cryptology can be broadly divided into several key periods: \#\#\# 1. **Pre-Edo Period (Before the 1600s)** During this period, before the establishment of the Tokugawa shogunate, Japan was still characterized by feudal warfare.
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