Best books on Cryptography

Best books on Cryptography

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What is encryption?

Encryption is a way of securing the communication we use in our day to day lives. This method will protect the privacy and the security of the message and the message will transfer only to the relevant party. It will prevent the message from going to unauthorized parties as well as being hacking. Encryption simply can define as converting the plain text message into a random and meaningless text which only can be understood by decrypting it. Decryption is the reverse form of encryption. This is described as the meaningless random text is converted into the plaintext message again in order to understand.
There are number of examples of encryption we use in our daily routine. If you use cable TV which brings the content to your place some of those channels are encrypted because it provides the service only for the people who pays for the channel.  And your password is also encrypted which you use to log into your email or social network. If you use a Zip file with a password that is again using encryption.

Why do we use encryption?

Encryption is mainly used to focus on three special aspects. First is to assure the privacy of our communication. Even if it is a simple message you send to your friend you don’t want some other to pretend that he is your friend and takes the message and spread it as a false message.  In this case, encryption is the method. And the second is to assure the privacy of storage. If you have files you want to be kept secret. You will definably have to protect it using a password. This is also a special scenario which encryption is being used. The third aspect is to assure the forward secrecy. In the past, the encryption is used in on-time data privacy. But in the modern world the privacy and the security of the message is should also be protected in the future. In this scenario, encryption is used in a high manner. Forward secrecy means no matter what happened in the future the encrypted message will remain safe.

How does encryption works?

Encryption is converting the normal text into a text that cannot be read. So to do this conversion simply the text is sent through an algorithm. And there is a key which we used to encrypt and the relevant party should have the same key to unlock and read the message. This key is the access method for the algorithm. Without the key, it remains locked. The result of the plain text after being processed by the algorithm is called the “Cyphertext”. This cipher text has been identified thousands of years ago to send secret messages.  The method of implementing the text has only been developed in the modern world.
There are various ways which are being used to encrypt your details and messages. And also different fields and companies use different techniques for encryption.  Military and government use a very high complex algorithm for encryption. Our email messages sent to a friend is also being encrypted in a simpler manner but it is also a very secure method.
Encryption is a very useful method to secure and assures our privacy in the data communication of our day to day lives.

Recommended books.

Video books

Introduction to Encryption – Terminology and Technology
Surviving Encryption: Cryptanalysis
Surviving Encryption: Essentials
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