What is the difference between encryption and hashing in data security?

What is the difference between encryption and hashing in data security?

Encryption is a process that transforms data into a secure format, making it unreadable without a key. Hashing, on the other hand, converts data into a fixed-size string of characters, which is typically a digest that cannot be reversed.

Can you give me examples of when to use each?

Sure! Use encryption when you need to protect sensitive data, like credit card information, during transmission. Use hashing for storing passwords securely, as it allows you to verify the password without needing to store it in plain text.

Are there any security risks associated with either method?

Yes, encryption can be vulnerable if the keys are not managed properly. Hashing can be susceptible to attacks like rainbow tables if weak algorithms are used. It's important to use strong algorithms and practices for both.

What algorithms are commonly used for encryption and hashing?

Common encryption algorithms include AES and RSA, while popular hashing algorithms are SHA-256 and bcrypt.