Symmetric vs Asymmetric Encryption #cybersecurity #networking #shorts

Symmetric vs Asymmetric Encryption #cybersecurity #networking #shorts In the world of digital security, encryption is the shield protecting our data from unauthorized access. Let's dive into Symmetric and Asymmetric Encryption to understand how they work, step-by-step, with real-world examples! 1 Symmetric Encryption (Same Key for Encryption & Decryption) How It Works: Symmetric encryption uses the same key for both encryption and decryption. Both the sender and the recipient must have access to this shared key. The key is used to lock (encrypt) and unlock (decrypt) the data. Step-by-Step Process: 1.Sender encrypts the message: The sender has a message, let's say "Hello, world!". They use a shared secret key to encrypt the message into unreadable ciphertext. Example: Message: "Hello, world!" Encrypted Message: "Xfgl! vzrhl!" 2. Ciphertext is sent over: The encrypted message (ciphertext) is transmitted to the recipient through a secure or insecure channel. 3. Recipient decrypts the message : The recipient uses the same key to decrypt the ciphertext back into the original message. Example: Encrypted Message: "Xfgl!vzrhl!" Decrypted Message: "Hello, world!" (encryption) (decryption) Pros: Fast and efficient. Best for encrypting large volumes of data quickly. Cons: If the key is intercepted during transmission, anyone can decrypt the message. Secure key distribution is crucial! 2 Asymmetric Encryption (Two Keys: Public & Private) How It Works: Asymmetric encryption uses two separate keys: a public key and a private key. The public key is used for encryption, while the private key is used for decryption. Only the recipient has the private key, which means it's more secure. Step-by-Step Process: 1.Sender encrypts the message with the recipient's public key: The sender wants to send a confidential message, "Hello, world!". They use the recipient's public key to encrypt the message. The public key is freely available to anyone, making it easy to encrypt messages. Example: Message: "Hello, world!" Encrypted Message: "X9gL! 123abc" 2.Ciphertext is sent over: The encrypted message (ciphertext) is transmitted securely, and anyone can see it, but it cannot be decrypted without the private key. 3. Recipient decrypts the message with their private key : The recipient uses their private key to decrypt the message. Since only they have the private key, only they can unlock the message Example: Encrypted Message: "X9gL!123abc" Message: "Hello, world!" Decrypted (encryption) (decryption) Pros: More secure because the private key is kept secret. Even if someone intercepts the encrypted message, they cannot decrypt it without the private key. Cons: Slower than symmetric encryption due to the computational complexity of using two keys. Public and private key management can be more complex. symmetric vs asymmetric encryption, symmetric and asymmetric encryption, symmetric and asymmetric encryption example, symmetric and asymmetric encryption tutorial, symmetric vs asymmetric cryptography, symmetric vs asymmetric key cryptography, symmetric key vs asymmetric key, symmetrical vs asymmetrical encryptions, difference between asymmetric and symmetric encryption, difference between symmetric and asymmetric encryption, differences between symmetric and asymmetric encryption