BASICS OF "CRYPTOGRAPHY"
CRYPTOGRAPHY TOPICS: What is cryptography? Classification of cryptography? How various cryptographic algorithms work? 1. WHAT IS CRYPTOGRAPHY? as you see in the picture first we write a word or paragraph, or the thing we need to encrypt . and then the software make 2 keys 1) Receiver's key public key 2) Private key sender sends the message of form public key and the receiver uses the Private key to unencrypt the message of the sender . (As the hackers and normal users only see a useless message and cant unencrypt it .But the owner of private key can see the real text or message .) 2. CLASSIFICATION OF CRYPTOGRAPHY. Symmetric key cryptography: An encryption system in wh...