JN-25 was the primary World War II Japanese naval cipher. It was introduced in 1939 and evolved throughout the war, presenting US Navy codebreakers with a succession of challenges. When JN-25N-62 w...

中文翻译：

---

TR霍尔克罗夫特问题

JN-25 是二战时期日本主要的海军密码。它于 1939 年推出，并在整个战争期间不断发展，给美国海军密码破译人员带来了一系列挑战。当JN-25N-62带...