Cryptography 101: Unlock the Secrets of Secure Communication 🔐

Introduction to Cryptography
In this class, we will discuss the introduction to cryptography.
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This class is our first class on cryptography.
We provided a few thoughts in this class to help us understand the next classes.
Where cryptography is needed?
Example:
We want to send a message to our friend or other person.
We use any electronic device to open an application and send a message.
The message flows on the internet.
The message is ” Today is the blast”.
The internet is open to all.
The attacker or a hacker will stay on the internet and check your messages.
We need to send a message which is not understandable to attackers.
The above is the situation where cryptography is used.
Cryptography: This is a process of hiding the information so that only the person expected to see the message can read it.
The two points one should understand.
1) We use a technique or mathematical logic to convert the data.
2) The mathematical logic should be complex enough so attackers can not convert to actual data.


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