Wikipedia:Articles for deletion/Quintuple-DES
Independently of the technical merits (or otherwise) of the idea, the lead sentence (with my emphasis) is "The concept is ''introduced here'' of extending Triple-DES to five keys ...". Ie it is |original research, and #OR|Wikipedia is not the place for "Primary (original) research, such as proposing theories and solutions
— User:Mitch, 13:34, 19 September 2013 (UTC)
Stance: delete
Cited policy: WP:OR||WP:NOT (Wikipedia:No original research)