Cryptography Essay

2580 Words6 Pages

Question 1
A .What is cryptography?
Technique of protecting information by changing in to other format is nothing but Cryptography, this technique is called Cipher text. This process involve a secret key through which readable message is totally converted into unreadable message, in order to decrypt the unreadable message secrete key is must. Generally this is used is communication, don’t know if communication breaks in middle the message which is private may go leak, so, to protect private data transfer cryptography is must. At the receiver end using the same key the receiver gets the actual message. This is must in almost all businesses, especially in banks, export import business and so on. Encrypted messages sometimes broken which is called code breaking using cryptanalysis. The strength of encryption is totally relays on how strong the secret key is. As there is only one mode of communication through internet and many were accessing internet may be possibilities of having breaking of codes, so, encryption must be strong. Encryption is of two types based of the type of secret key whether public or private.
Cryptography is normally associated with scrambling plaintext, which is known as clear content into figure message, the strategy which is known as encryption and back yet again is known as decoding. Individuals who utilize this approach are known as Cryptographers. Cryptographers while doing the encryption always remember certain things in mind before they proceed. They try to keep the code not understandable at greater extent, the data which can't be altered either away or in travel between the sender and planned recipient, Non-disavowal is the conviction that some individual can't deny something. It suggests the profici...

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