2. What's encryption ?
The information required
protection that other users attack
, theft and so on.
Therefore "encryption" was
made.
History of encryption is very old.
For example, most old encryption
is that "hieroglyph" in B.C. 19.
Recently, encryption is most
important in modern society that
almost all people use computer,
mobile device, and other
electrical devices.
3. What's encryption ?
Electrical data copy can very easy
way. because of , this data finally
made of 1 or 0. therefore data
protection want that Data
Encryption.
Detail of Data encryption is that
Our data contents converted
according to the rules of the
encryption.
Encryption data contents can't see
people that don't have rules of the
encryption.
Therefore modern society protected
information for the way.
4. Encryption works
Encryption technology use many places. For Example...
● Credit-card information
● Social Security numbers
● Private correspondence
● Personal details
● Sensitive company information
● Bank-account information
5. Type of Encryption
Encryption have many types. Explain that most popular types of
encryption called "cipher".
Please see the above figure. The figure shows that Vertical and
horizontal numbers correspond to alphabet. Therefore, for
example
32 51 13 13 43 mean " H E L L O"
Cipher is very simple and easy , but not secure.
6. Modern Encryption
Modern encryption use Prime number that very complex
operation encryption called "RSA" . It used many important
price , Bank , school, Public , and so on.
RSA is very strong, but use RSA is difficult.
Recently new encryption is appear. named "Public key
cryptosystem" it can easy see and strong protection.
