Fraunhofer Q-Dice Generates True Random Numbers at 4.1 Gigabits Per Second Using Quantum Vacuum

[Sigma]

Germany's Fraunhofer IPMS research institute announced Q-Dice, a high-performance quantum random number generator capable of producing true random numbers at over 4.1 gigabits per second by measuring quantum vacuum fluctuations. The device is available as both a hardware appliance and an Entropy-as-a-Service cloud solution, with a public pilot programme currently underway. Fraunhofer describes it as meeting stringent regulatory standards for cryptographic applications.

Random number generation is one of those foundational computing requirements that almost everyone takes for granted but that has genuinely important security implications. Most computer systems generate random numbers using pseudorandom algorithms, which are deterministic functions that produce statistically random-looking outputs but are not truly unpredictable at the mathematical level. For most applications this is fine. For cryptographic applications where an adversary trying to predict your encryption keys is a real threat model, true randomness matters. Quantum random number generators are true random because they derive their outputs from quantum mechanical processes that are fundamentally unpredictable, not just computationally difficult to predict.

The quantum vacuum fluctuation approach used in Q-Dice is the measurement of spontaneous quantum noise in an electromagnetic field even in the complete absence of photons. This is a consequence of quantum field theory that has no classical analogue and produces randomness that is not only unpredictable but demonstrably unpredictable by any physical argument rather than just by computational argument. At 4.1 gigabits per second, Q-Dice produces enough randomness to serve enterprise-scale cryptographic needs rather than just research applications. The Entropy-as-a-Service model means organisations without the hardware can access quantum-grade randomness through a cloud API, an important access point given that most enterprises are not in a position to deploy specialist quantum hardware.

Fraunhofer IPMS Unveils Q-Dice Quantum Random Number Generator for Enterprise Security - Quantum Computing Reportquantumcomputingreport.com