The Secret in CipherThe Secret in Cipher

The words about “Secret elements” The words about “Secret elements”

Cipher (cypher)Cipher (cypher) 1 zero1 zero 2 Arabian numbers (from 1 to 9)2 Arabian numbers (from 1 to 9) 3 a. code(s) 3 a. code(s) b. the readout of codes b. the readout of codes c. the messages consisted ofc. the messages consisted of codes codes

Code Code

1 System of laws.1 System of laws.

2 System of signals or marks2 System of signals or marks

arranges arranges

to transmit messages, especiallyto transmit messages, especially

for secrecy.for secrecy.

3 Pre-organized word or groups of 3 Pre-organized word or groups of

words used to represent a words used to represent a

wordings and some message. wordings and some message.

cryptograph cryptograph

1 Secret writing1 Secret writing

2 code2 code

3 The tool that create codes. 3 The tool that create codes.

The History of CipherThe History of Cipher

The history of human being The history of human being using code can trace back to using code can trace back to ancient Babylon. Almost ancient Babylon. Almost every civilization had records every civilization had records to use code. to use code.

Every codes were all man-Every codes were all man-made until the end of WWI. made until the end of WWI. The man-made code system The man-made code system is very ineffective when is very ineffective when sending messages.sending messages.

The invention of wireless telegraThe invention of wireless telegram made it much easier to intercem made it much easier to intercept the cryptogram. pt the cryptogram.

In 1918, an inventor nIn 1918, an inventor named amed Arthur ScherbiuArthur Scherbiuss, launched a compan, launched a company called “Scherbius ay called “Scherbius and Ritter Company” nd Ritter Company” with his friend Richarwith his friend Richard Ritter.d Ritter.

Scherbius inventScherbius invented an coded, eleed an coded, electric machine nactric machine named “med “ENIGMAENIGMA”. Years afterwa”. Years afterwards, it was proverds, it was proved one of the mosd one of the most reliable coded st reliable coded systems. ystems.

During the war time, the alliancDuring the war time, the alliance launched (and also read out) te launched (and also read out) the wehrmacht’s messages, anhe wehrmacht’s messages, and that brought about a crucial ad that brought about a crucial advantage ground. dvantage ground.

At the beginning of WWII, the wehrAt the beginning of WWII, the wehrmacht was incomparable when it comacht was incomparable when it comes to secret work. So the affection mes to secret work. So the affection of ENIGMA to the wehrmacht was crof ENIGMA to the wehrmacht was crucial.ucial.

The Application of CipherThe Application of Cipher

Strong box, e-mailbox and Strong box, e-mailbox and

bank accountbank account Military affairsMilitary affairs DiplomacyDiplomacy

The Variety of CipherThe Variety of Cipher

Morse codeMorse code EnigmaEnigma Gene codeGene code

The most popular code The most popular code system.system.

Use the combination of points Use the combination of points and segments (on paper or in and segments (on paper or in sound) to communicate.sound) to communicate.

Morse CodeMorse Code

EnigmaEnigma

The most popular code system The most popular code system during the war time.during the war time.

Using the physically mechanism Using the physically mechanism to create the codes consist of 26 to create the codes consist of 26 alphabets. alphabets.

Gene codeGene code Proteins’ compositions are decided Proteins’ compositions are decided

by the gene codes.by the gene codes. There are four types of nucleotides There are four types of nucleotides

--A.T.C.G--A.T.C.G With the combination of these four With the combination of these four

nucleotides, the gene codes nucleotides, the gene codes determine the great proteins’ determine the great proteins’ synthesis.synthesis.

ConclusionConclusion There are various types of There are various types of

codes in our lives. Although they codes in our lives. Although they are seem to be so different from are seem to be so different from each other, they all follow an each other, they all follow an original intention---that is, original intention---that is, use use the most telegraphic elements the most telegraphic elements to synthesis a series of to synthesis a series of meaningful and secret meaningful and secret messages. messages.

(T H E E N D)(T H E E N D)