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Prakash nidhi Verma
Prakash nidhi Verma

Cryptography :

Cryptography is a technique of converting information in such a format that it is not accessible by unauthorized user without anyone decoding it back into a readable format,thus compromising the data.

This is made by Crytology: Cryptography + Cryptoanalysis . 

Vision of crypto: classic and Modern Cryptography.

Modern cryptography is the cornerstone of computer and communications security. The goal of modern cryptography is to ensure the preservation of information properties through mathematically perform. Cryptography involves the process of encryption and decryption.  

Objectives of cryptography:- 

1- Confidentiality

2- Integrity 

3- Authentication

4- Non-repudiation

Cryptography primitives:- 

-Encryption

-Hash functions

-Message authentication

-Digital signatures.

Cryptocurrency : 

The Cryptocurrency in which encryption techniques are used to perform the generation of units of currency and verify the transfer of funds,operating independently of any bank.

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