Random Number Generators TRIZ Cases
- M-Sequence Generator Feedback Multiplication for Natural Noise-Like Errors
Using Galois field feedback multiplication, this case improves M-sequence error randomness to better match natural communication noise.
- OTP Random Bitcell Using Dual Programmed Elements Against Cloning
Two programmed OTP elements in one bitcell hide the stored random bit by electrical comparison, making SEM-based detection and cloning harder.
- Free-Running Oscillator Lock Detection in Random Number Generators
Repeating-pattern checks on sampled free-running oscillator output reveal locking early, protecting true random number generation.
- Metastable Ring Oscillator Random Number Generation for High Throughput
Using metastable voltage and thermal noise, this RNG avoids jitter wait time to raise throughput while keeping circuit area low.
- Pulse-Gated MOSFET Random Noise Source for Compact High-Speed RNG
Pulse voltage above 26 mV boosts MOSFET tunnel-noise output, enabling compact high-speed random number generation without large amplifiers.
- Asynchronous Feedback Logic RNG for High-Entropy Digital ICs
An autonomous asynchronous feedback logic circuit avoids analog noise sources and oscillator locking to generate fast, high-entropy bits in digital ICs.
- Seed Generating Circuit With Smoothing for Balanced Random Bits
An oscillating, smoothing, and postprocessing seed circuit balances 0/1 frequencies to cut periodicity and improve random number quality.
- Bus-Keeper PUF Readout for Stable IDs and Reduced Aging
Power-cycled bus-keepers create a low-noise PUF identifier while avoiding complex error correction, cutting aging effects and power use.
- Analog Gaussian Noise Generation with ΣΔ Modulation Control
ΣΔ modulation and low-pass filtering generate analog Gaussian noise with defined PDF, bandwidth, center frequency, mean, and deviation.
- Pseudo-Random State Machine Feedback for Fast Word Generation
Parallel register feedback and XOR weighting speed pseudo-random word generation while preserving statistical randomness.
- Ring Oscillator Random Number Generation With Low Power Noise Conversion
Frequency fluctuations from a ring oscillator are converted into physical random numbers, avoiding comparator power loss while preserving output quality.
- Continuous-Time Chaotic Oscillator RNG for High-Rate Randomness
Continuous-time chaotic oscillators use offset and frequency compensation loops to deliver high-rate random bits that pass NIST and FIPS tests.
- Switchable Ring Oscillator Feedback for Random Bit Generation
Periodic switching between ring oscillator feedback paths preserves randomness quality while cutting hardware cost and energy use.
- Metastable Seed Random Number Generator for Non-Periodic Output
Metastable seed signals and out-of-phase sampling help ring-oscillator random generators avoid mismatch-driven periodicity and improve unpredictability.
- Ring Oscillator Random Number Circuit With Noise-Driven Frequency Fluctuation
A current noise source and Schmitt inverter create frequency jitter in a ring oscillator to generate physical random numbers with lower power.
- Memory-Cell Random Number Generation for Secure Bus Encryption
Combining states from multiple memory cells creates distinct bus-line key streams with high linear complexity while limiting chip area.
- Personal Data Credential Selection for Secure Electronic Transactions
A rules engine selects credentials by request origin, data type, and transaction value to secure user data without forcing users to recall many logins.
- Bit Flow Checking Circuit for Randomness Skew Drift Detection
Parallel normalization circuits compare paired bit states to detect skew drift and preserve equiprobable random bit flows for cryptography.
- Random Bit Stream Circuit Using Jitter-Synchronized Sampling
A delay-line feedback circuit aligns sampling to clock jitter to generate higher-quality random bits despite system clock disturbances.
- Random Bit Flow Normalization With Feedback for Constant Output
Feedback-based bit normalization keeps random bits equiprobable while delivering a steadier output rate than Von Neumann pairing.
- Pseudo-Random Clock Circuit With Code Limiter for EMI Control
Holding each pseudo-random code for at least two clock cycles cuts EMI while limiting spread bandwidth and avoiding DAC cost.
- External Management Interface Authentication for Secure Access
An intermediary interface extracts and converts client identity data to verify authorization before external system management access.
- Galois Field Sequence Combination for Longer Repetition Periods
Maps input sequences into an extended Galois field to lengthen repetition periods with lower complexity, processing time, and resource use.
- Random-Word Noise Signal Generation With Probability Mapping
Probability mapping replaces stored full waveforms, generating long-period noise with less memory and flexible parameter adjustment.
- Auditable True Random Number Generation Using Public Noise Nodes
Public transparent edge nodes capture environmental noise and live-broadcast the process to deliver auditable, manipulation-resistant true random seeds.