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General concept of Encryption and Decryption

This is the general concept of encryption and decryption of the secret information.

Now a days the msg b/w two person is not possible. becauze of the hackers. who read and change the information and make the unwanted situation b/w both of them. so its neccessary to make the data(information) as secure..

This is the one type of encryption &decryption of information.

Example:

If 'A' is the person nd send the msg to 'B' person. The Msg is shown like below:

"KPHQTOCVKQP"

if any person (Hacker) read this he confused..

First of all The 'A' is send the key value to 'B' "key=2"

After the decryption the msg is:

"INFORMATION"

How is this possible:

KPHQTOCVKQP

note down the Alphabets and make the hint as.
I J K
N O P
F G H
O P Q
K S T
M N O
T U V
I J K

AFTER KEY VALUE IS MUST FOR DECRYPT THE MSG:
note the 2nd prefix or suffix example "KPHQTOCVKQP " in that take 'K' nd check the 2 nd word (either prefix or suffix) 'I' and 'T' is noted.
repeat the process..If any "Meaningful information" is decrypted then thats the msg...U Done it..!

I J K = I
N O P = N
F G H = F
O P Q = O
R S T = R

M N O = M
A B C = A
T U V = T
I J K = I

O P Q = O

N O P = N .

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ya it can https:// ssl cirtificate , private between server aNd the browser

Wow,. Superb info.. +2 repute to u.....