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In the history of cryptography, the "System 97 Typewriter for European Characters" (九七式欧文印字機 kyūnana-shiki ōbun injiki) or "Type B Cipher Machine", codenamed Purple by the United States, was an encryption machine used by the Japanese Foreign Office from February 1939 to the end of World War II.
The new code, codenamed PURPLE (from the color obtained by mixing red and blue), was baffling. PURPLE, like Enigma, began its communications with the same line of code but then became an unfathomable jumble. Codebreakers tried to break PURPLE communiques by hand but found they could not.
In Wikipedia, the color of a link shows the status of the corresponding target page. The default colors (in the Vector skin) have the meanings shown in the table below. See also Wikipedia:Manual of Style/Accessibility/Colors .
In 1936, Shannon began his graduate studies in electrical engineering at the Massachusetts Institute of Technology (MIT), where he worked on Vannevar Bush 's differential analyzer, which was an early analog computer that was composed of electromechanical parts and could solve differential equations. [28]
This is a full list of color palettes for notable video game console hardware. For each unique palette, an image color test chart and sample image (original True color version follows) rendered with that palette (without dithering unless otherwise noted) are given. The test chart shows the full 8-bit, 256 levels of the red, green and blue ( RGB ...
These are the lists of colors ; List of colors: A–F. List of colors: G–M. List of colors: N–Z. List of colors (alphabetical) List of colors by shade. List of color palettes. List of Crayola crayon colors. List of RAL colours.
The term shade is used in its technical sense as used in color theory, meaning a blueish color mixed with black or dark gray. The colors arranged in order of their value (brightness) (V in the HSV code), the brighter colors toward the top and the darker colors toward the bottom.
A cryptographically secure pseudorandom number generator ( CSPRNG) or cryptographic pseudorandom number generator ( CPRNG) is a pseudorandom number generator (PRNG) with properties that make it suitable for use in cryptography. It is also referred to as a cryptographic random number generator ( CRNG ).
Code Purple can mean: the US Environmental Protection Agency code for an air quality index between 201 and 300; a hospital emergency code; The US codename for the Japanese Type B Cipher Machine
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