**Cryptography Formulas And Diagrams**- puter science gt cryptography and security submitted on 25 jan 2014 v1 last revised 7 nov 2016 this version v2 abstract cryptography is a theory of secret functions category theory is a generaltheory of functions cryptography has reached a stage where its structuresoften take several pages to define an use creately s easy online diagram editor to edit this diagram collaborate with others and export results to multiple image formats you can edit this template and create your own diagram creately diagrams can be exported and added to word ppt powerpoint excel visio or any other document abstract cryptography is a theory of secret functions category theory is a general theory of functions cryptography has reached a stage where its structures often take several pages to define and its formulas sometime run from page to page p div class b factrow b twofr div class b vlist2col ul li div span cited.

by span a title 2 href https academic microsoft search iq and ty 3d 270 27 2crid 3d2962877316 filters from 0 sort 0 q papers 20citing 20chasing 20diagrams 20in 20cryptography h id serp 5155 1 2 a div li li div publish year 2014 div li ul ul li div author dusko pavlovic div li ul div div div li the encryption and decryption is based upon the type of cryptography scheme being employed and some form of key for those who like formulas this process is sometimes written as c e k p p d k c where p plaintext c ciphertext e the encryption method d before the modern era cryptography focused on message confidentiality i e encryption conversion of messages from a prehensible form into an in prehensible one and back again at the other end rendering it unreadable by interceptors or eavesdroppers without secret knowledge namely the key needed for decryption of that message how many keys are involved.

for symmetric key encryption how about public key encryption suppose you have n people who want to municate with each other using symmetric keys all munication between any two people i and j is visible to group n only person i and person j