What are the differences between software and hardware random number generators?

[Crazy_winner]

While hardware random number generators normally do not require an explicit seed initialization step since they rely on physically random processes, software RNGs depend on an initial seed value to start the random number generation process. A seed value does not affect the generated numbers. Hardware RNGs also do not suffer from periodicity problems like the software variants do. The generated numbers are not prone to repeated patterns or predictable sequences because the randomness is derived from physical processes.

 

[CR7]

That is correct. Another advantage of hardware random number generators is that they are typically faster than software RNGs, since the generation of random numbers is done by dedicated hardware rather than by software running on a general-purpose computer. Additionally, hardware RNGs are usually less vulnerable to attacks or manipulation than software RNGs, since they rely on physical processes that are difficult to control or predict.

On the other hand, software RNGs are more flexible and easier to implement than hardware RNGs. They can run on any system that has a random number generation library, whereas hardware RNGs require specific hardware components. Software RNGs can also generate large amounts of random numbers quickly, making them suitable for a wide range of applications.

Overall, the choice between using a hardware or software RNG depends on the specific requirements and constraints of the application. For applications where security is a major concern, such as online gambling or cryptographic protocols, hardware RNGs are often preferred. For other applications where speed and flexibility are more important, software RNGs may be more suitable.

 

[ProGambler]

In practice, a combination of software and hardware RNGs may be employed to achieve a balance between speed, efficiency, and randomness assurance. This can involve using hardware RNGs to seed or supplement software RNGs, ensuring a higher level of randomness while maintaining performance.

It's important to note that both software and hardware RNGs undergo rigorous testing and certification processes to ensure their reliability and adherence to standards in various industries, including gambling.