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Barnard’s Universal Criminal Cipher Code (1895)

- September 6, 2016 in cipher, code, encryption, police

A book of codes to help disguise internal police telegrams in what amounted to some kind of 19th-century version of the encrypted email.

Barnard’s Universal Criminal Cipher Code (1895)

- September 6, 2016 in cipher, code, encryption, police

A book of codes to help disguise internal police telegrams in what amounted to some kind of 19th-century version of the encrypted email.