Scrypt vs Bcrypt: Which is Better for Password Hashing?

What are the main differences between Scrypt and Bcrypt?

Scrypt and Bcrypt are both password hashing algorithms, but they differ in their design and security features. Scrypt is designed to be memory-hard, making it more resistant to hardware attacks, while Bcrypt is based on the Blowfish cipher and is more CPU-intensive. This means Scrypt can be more secure against certain types of attacks.

Which one is more secure for storing passwords?

Generally, Scrypt is considered more secure due to its memory-hard properties, which require more resources to crack. However, Bcrypt is still very secure and widely used. The choice often depends on the specific use case and the resources available.

Are there any performance differences between the two?

Yes, Scrypt can be slower and more resource-intensive than Bcrypt, especially if configured to use a high memory cost. Bcrypt, on the other hand, is more efficient in terms of CPU usage, making it faster in some scenarios.

Which one should I use for my application?

If your application requires high security and can handle the resource demands, Scrypt is a great choice. If you need a balance between security and performance, Bcrypt is still a solid option.