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Questions tagged [code-cipher-cryptogram]

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8 votes
6 answers

Cryptography in Judaism

Are there any known uses of cryptography (or similar) in Jewish History?
19 votes
2 answers

Why did Yonatan arrange the secret arrow sign with David?

In Shmuel Alef (20:20–22) Yonatan arranges a whole scheme to secretly inform David whether or not it's safe for him to return. However, after the sign is given that it's not safe (20:40), Yonatan ...
12 votes
4 answers

What is the meaning of the inscription on the back of a m'zuza?

The string "כוזו במוכסז כוזו" is written on the back side of the parchment in many a doorpost scripture. According to the Ra"sh (hilchos m'zuza 18) וכן נהגו לכתוב באשכנז ובצרפת כנגד ה' ...