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2. DES supplementary material - Wikipedia

   en.wikipedia.org/wiki/DES_supplementary_material

   This table lists the eight S-boxes used in DES. Each S-box replaces a 6-bit input with a 4-bit output. Given a 6-bit input, the 4-bit output is found by selecting the row using the outer two bits, and the column using the inner four bits. For example, an input " 0 1101 1 " has outer bits " 01 " and inner bits "1101"; noting that the first row ...

3. FET (timetabling software) - Wikipedia

   en.wikipedia.org/wiki/FET_(timetabling_software)

   FET (timetabling software) FET is a free and open-source time tabling app for automatically scheduling the timetable of a school, high-school or university. FET is written in C++ using the Qt cross-platform application framework. Initially, FET stood for "Free Evolutionary Timetabling"; as it is no longer evolutionary, the E in the middle can ...

4. Wikipedia:Tools - Wikipedia

   en.wikipedia.org/wiki/Wikipedia:Tools

   wikEd is a full-featured in-browser text editor for Wikipedia edit pages. Editing tools, tools intended to provide enhanced editing functionality. Contains edit page tools, edit bots, spellcheckers, wikisyntax conversion utilities, etc. Browser tools, tools categorized by browser type. Citation tools, tools for citing and referencing.

5. Fortuna (PRNG) - Wikipedia

   en.wikipedia.org/wiki/Fortuna_(PRNG)

   Fortuna is a cryptographically secure pseudorandom number generator (CS-PRNG) devised by Bruce Schneier and Niels Ferguson and published in 2003. It is named after Fortuna, the Roman goddess of chance. FreeBSD uses Fortuna for /dev/random and /dev/urandom is symbolically linked to it since FreeBSD 11. [1] Apple OSes have switched to Fortuna ...

6. Multiplication table - Wikipedia

   en.wikipedia.org/wiki/Multiplication_table

   Multiplication table

7. Cayley table - Wikipedia

   en.wikipedia.org/wiki/Cayley_table

   Cayley table. Named after the 19th century British mathematician Arthur Cayley, a Cayley table describes the structure of a finite group by arranging all the possible products of all the group's elements in a square table reminiscent of an addition or multiplication table. Many properties of a group – such as whether or not it is abelian ...

8. Montgomery modular multiplication - Wikipedia

   en.wikipedia.org/wiki/Montgomery_modular...

   Montgomery modular multiplication relies on a special representation of numbers called Montgomery form. The algorithm uses the Montgomery forms of a and b to efficiently compute the Montgomery form of ab mod N. The efficiency comes from avoiding expensive division operations. Classical modular multiplication reduces the double-width product ab ...

9. Multiplication algorithm - Wikipedia

   en.wikipedia.org/wiki/Multiplication_algorithm

   Multiplication algorithm