A Nigerian computer engineer, Saheed Adepoju, invented INYE-1 and INYE-2 computer tablets specially designed for the African ...

The Enigma (see diagram below) was used solely to encipher and decipher messages. In its standard form it could not type a message out, let alone transmit or receive it. From the cipher operator's ...

A new report from Google reveals that Microsoft dominates the field when it comes to sending takedown requests to shut down sites offering pirated software.

Type your message in the plaintext box to encipher. Lower- and upper-case letters give enharmonic equivalents. Spaces are ignored. Punctuations add bar lines or a new staff.

The Double Playfair is an extension of the Playfair to use two separate keys and to encipher each pair of letters twice. The German police made the mistake in late 1941 of switching from the ...

With a cipher, there’s a process for translating the characters in a message, and once you know it, you can encipher and decipher whatever you want. With a code, each word or idea is replaced by ...

Type your message in the plaintext box to encipher. Lower- and upper-case letters change octave register. Spaces are ignored. Punctuations add bar lines or a new staff.

In July 1939, the Polish Cipher Bureau passed on crucial information about the Enigma machine, which was used by the Germans to encipher all its military and naval signals. After September 1939 ...

If I have information I want to sign before sending it to you, my computer uses my private key to encipher it. Now the message can be read only if my public key-which you and everyone else know-is ...

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