What is Encryption?
Encryption is a method of converting your plain text into coded format called ciphertext to prevent unauthorized access. Only the given party with the right decryption key can change the ciphertext back to its readable form! Encryption is great for securing online communication, banking transactions, and other stored data.
Symmetric Encryption
A single key is used for both of the encryption and decryption.
The common algorithms used during this are called Advanced Encryption Standard (AES) and Data Encryption Standard (DES).
File encryption, disk encryption, and data transmission with in the trusted networks.
Faster than asymmetric methods for larger data sets.
The secure key distribution can be challenging.
Hashing changes data into an actual fixed size hash value but it cant be changed back to its original form.
Secure Hash Algorithm (SHA) and Message Digest 5 (MD5)
Good for password storage and data integrity checking.
Good for verifying data integrity.
If the algorithm is outdated it can be vulnerable to brute force and some collision attacks.
What Is End to End Encryption?
https://certera.com/blog/what-is-end-to-end-encryption-e2ee-how-does-it-work/
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