In today’s interconnected world where digital transactions and communications have become ubiquitous. As well as ensuring the security and confidentiality of data is of paramount importance. Cryptography is crucial in safeguarding sensitive information from unauthorized access and interception. But what exactly is cryptography, and how does it work? In this blog of The IoT Academy, we will discuss different types of cryptography. Also, its uses, and what makes it important.
Cryptography keeps messages safe by turning them into secret code that only the right people can understand. It uses special math and secret keys to lock and unlock the code. This way, only those with the right key can read the original message, making sure it stays private and accurate. In short, Crypto-graphy is super important for keeping our important stuff safe online. Like when we shop, chat, or store files, making sure nobody else can sneak a peek at our info.
Cryptography began thousands of years ago with ancient civilizations using simple methods like substitution ciphers. Later, people made harder codes like the Caesar cipher in Rome and the Vigenère cipher in the Renaissance. The Enigma machine, invented during World War II, was a big step forward. In the 20th century, modern cryptography based on math emerged, bringing encryption algorithms like RSA and AES.
There are generally two types of cryptography, symmetric and asymmetric encryption. It is also known as symmetric key cryptography and asymmetric key cryptography.
Cryptography ensures messages are safe when people send them, and it’s used in many different areas. Here are some notable applications:
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Cryptography makes sure that information stays private, unchanged, and genuine, and it prevents people from denying their actions. Last of all, some key features of cryptography include:
In conclusion, cryptography is really important for keeping our digital information safe. Helping us communicate securely, protect our data, and confirm who we are online. When we learn about its different types. As well as its uses, and what it does. We can understand why it’s so crucial to protect our private information in today’s digital world.
Ans. Many people think Auguste Kerckhoffs. A Dutch linguist and cryptographer from the 19th century, is the father of cryptology. Because he made important rules for secure codes.
Ans. Cryptography, also called cryptology, is about keeping messages safe so only the right people can read them. It works by changing messages into secret codes (encryption). Also, turning them back into regular messages (decryption) using special methods and keys.
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