What is the difference between encryption and hashing?

What is the difference between encryption and hashing?

Encryption is a process that transforms data into a secure format to prevent unauthorized access, while hashing is a method that converts data into a fixed-size string of characters, which is typically a digest that represents the original data.

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 transactions. Use hashing for storing passwords securely, as it allows you to verify the password without storing it in plain text.

Are there any security risks associated with hashing?

Yes, if a hashing algorithm is weak or outdated, it can be vulnerable to attacks like collision attacks. It's important to use strong, modern hashing algorithms.

What are some common hashing algorithms?

Common hashing algorithms include SHA-256, SHA-1, and MD5. However, MD5 is considered insecure and should be avoided.