Extracting random numbers from quantum tunnelling through a single diode.

Area of Science:

• Quantum Physics
• Information Security
• Semiconductor Devices

Background:

• High-quality random numbers are vital for modern online security and privacy.
• Current pseudo-random number generators fall short for sensitive applications like key generation.
• True random number generators (TRNGs) are needed for robust security, with quantum noise sources being ideal.

Purpose of the Study:

• To propose and investigate the use of resonant tunneling diodes (RTDs) as practical true random number generators.
• To leverage quantum mechanical effects for generating intrinsically unpredictable random numbers.
• To provide a reliable hardware-based solution for high-security random number generation.

Main Methods:

• Utilizing resonant tunneling diodes, which exhibit quantum mechanical behavior.
• Exploiting the inherent uncertainty of quantum noise within RTDs.
• Directly using the output bit stream or applying randomness extraction algorithms.

Main Results:

• Demonstrated the feasibility of using RTDs as true random number generators.
• The generated random bit streams are suitable for direct use or post-processing.
• RTD-based TRNGs offer a practical quantum noise source for security applications.

Conclusions:

• Resonant tunneling diodes provide a practical and effective hardware solution for true random number generation.
• This quantum-based approach enhances the security and privacy of sensitive digital applications.
• The proposed RTD-based TRNGs meet the stringent requirements for key generation in banking, defense, and social media.