Features
Vital Role of True Randomness in Modern Computing
The critical need for true randomness in cryptography, simulations, and more
True randomness is essential for encryption, statistical sampling, simulations, and more computing applications to work effectively. We explore why.
The concept of randomness often evokes thoughts of unpredictability and chance occurrences. However in the world of computing, having access to true randomness is vital for many critical applications to function properly. Without the ability to generate random values and data, key aspects of modern technology simply would not work reliably.
In this article, we will explore what constitutes true randomness from a computational perspective, why it is crucially important, and some of the ways that software and hardware attempt to produce randomness reliably. Gaining insight into this topic highlights the dependence much of digital functionality has on the availability of non-deterministic, uniformly distributed random data.
What Makes Randomness “True”?
For data to be considered truly random from an information theory perspective, values must satisfy key mathematical and statistical qualities, for example at Lucky Seven Casino. True randomness implies meeting three core criteria:
- Uniform distribution — All potential values have an equal probability of occurring so that no bias exists towards certain numbers.
- Independence — The value at any position does not relate to or depends on values at other positions. Previous numbers do not influence future ones.
- Unpredictability — Knowing some values provides no useful information to predict other values. Guessing upcoming numbers is mathematically impossible.
Hence, true randomness requires generated data featuring high entropy (information density) with no observable patterns or correlations over any length or time period analyzed. Values must pass various statisticatests of randomness to qualify. True randomness exists only in specific natural phenomena scientists believe exhibit fundamental uncertainty such as radioactive decay. Computational methods can attempt to produce randomness but technically generate only an approximation usually called pseudo-randomness. However for many practical purposes, computationally generated randomness proves sufficient if it passes robust statistical testing.
Why True Randomness Matters Cryptography
Arguably, the area with the most crucial dependence on true randomness is cryptography. All modern encryption technologies require random number generation to ensure security. Encryption systems work by utilizing random numbers for:
- Key generation
- Initialization vectors
- Salts
- Nonces
- Padding
Any bias, predictability or correlation within random values used for the above purposes significantly compromises encryption protocols and introduces vulnerabilities. With trillions of dollars transferred online daily and vast amounts of sensitive data stored digitally, safeguarding cryptography requires high-quality random number generation rooted in solid entropy sources.
Simulations & Modeling
Outside of security, many more computing applications need randomness to operate correctly per their design intent. Monte Carlo simulations extensively utilize randomness to model complex real-world behaviors by running many iterations with differing random inputs. Financial analysis, climate modeling, nuclear reactions and molecular behavior represent common Monte Carlo simulation applications.
Games, Artificial Intelligence & Machine Learning
Gaming, AI and ML commonly incorporate randomness to increase variation, introduce unpredictability, and improve realism. For example, non-player characters in video games use randomness for movement, dialog and behavior to feel more lifelike and less robotic. AI/ML leverage randomness to train networks more thoroughly against a wider possibility space and build more resilient models less prone to biases.
Generating True Randomness via Hardware
Given the pervasive need for genuine randomness across computing, how do software and hardware reliably produce it? Most systems today use either specialized hardware random number generators or hybrid combinations of hardware and software.
Hardware options utilize the inherent randomness within low-level physical phenomena to produce entropy. Different techniques for generating randomness exist but most hardware implementations focus on three main sources:
- Thermal Noise
- Semiconductor Quantum Physics
- Chaotic Oscillator Outputs
| Generator Type | Description |
| Thermal Noise | Amplifies and extracts random electrical noise from resistor thermal vibrations |
| Quantum Physics | Leverages quantum mechanical properties like photon emission timing from LEDs/lasers |
| Chaotic Circuits | Uses unpredictable oscillator circuit outputs from chaos theory |
Semiconductor-based solutions can generate high bitrates up to 5Gbps using compact modern chip fabrication allowing extensive harvestingof entropy. However these sources derive from complex, random physical processes proving impossible to predict or fully model mathematically. This unpredictability provides excellent entropy quality unattainable via software algorithms alone.
Most general-purpose computers now integrate random number generators within CPUs allowing applications access to decent hardware-based random data. For the highest security use cases, dedicated standalone hardware random number generators exist exceeding >100Gbps speeds. Hence accessing genuine randomness is available today even on common computing devices.
Cryptographically Secure Pseudo-Random Number Generators
While hardware mechanisms utilize hard-to-predict physical phenomena to produce randomness, software solutions must take a different approach. Algorithmically-generated randomness cannot achieve true randomness from a physics perspective. However clever mathematical techniques like cyclical algorithms can generate randomness passing many statistical tests of randomness within their output bit length limits.
Cryptographically secure pseudo-random number generators (CSPRNG) serve as the premier software-based method for generating randomness. CSPRNGs work by repeatedly applying cryptographic primitives like hash or cipher functions on initial random seed values. This process produces a chain of output bits not reproducible without the original seed key. Leading CSPRNG algorithms include:
- Hash_DRBG
- HMAC_DRBG
- CTR_DRBG
Software libraries implement these CSPRNGs so developers can integrate quality randomness into applications with proper seeding. Seeding establishes the initial starting point for randomness generation using an entropy source like hardware random number generators or timing variability.
CSPRNGs allow the production of vast quantities of randomized data for any purpose needed. Compared to hardware mechanisms limited by physics on maximum speeds, algorithms scale boundlessly in the bits created as long as adequate computational power exists.
Yet key differences between software and hardware randomness remain. While CSPRNG outputs pass statistical testing and contain no observable patterns, their pseudo-randomness means given the same seed, the exact same value sequence will generate each time. Also, if a CSPRNG algorithm or implementation has flaws, adversaries could predict and exploit output resulting in compromised security. Still, with proper cryptographic design and regular reseeding, CSPRNGs provide quality randomness for most software needs.
Conclusion
From the above exploration, we see true randomness plays a pivotal role across computing – from cybersecurity to simulations and beyond. While no substitutes for true physically-derived entropy exist, modern hardware and hybrid hardware-software solutions provide abundant randomness for practical usage.
However as computing continues evolving with new technologies like quantum, ensuring high-quality randomness generation tackles emerging information security and system reliability challenges. Access to ample true randomness stands necessary now for current computing functionality and lays the foundation for future innovation.
Features
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Features
Israel pavilion ambassadors – then and now
By BERNIE BELLAN Given that Folklorama is on again and the Israel pavilion – Shalom Square, is in full swing, I thought it timely to resurrect an article I first posted to this website in August 2023.
But before reading that article, I wanted you to see who this year’s ambassadors are for Shalom Square:

It was back in 2023, however, that I set out to answer a question that I had asked our readers to help answer: Where was the very first Israel pavilion located? Some readers had thought it was the Golden Age Club, which used to be located on Pritchard and Salter. But others weren’t so sure. Here then is what I wrote back in August 2023 – when, with the help of a librarian at the Winnipeg Public Library, I was able to solve the riddle of where the first Israel pavilion was located:
It was earlier in August 2023 that I had raised a number of questions about the history of the Israel pavilion at Folklorama.
Among those questions were: Where was the first Israel pavilion located and when did the Israel pavilion actually become a permanent fixture in the YMHA on Hargrave (before moving to its current home in the Asper Campus)?
As part of my search for answers to those questions I turned to David Cohen, who had long been the coordinator of the Israel pavilion when it was located on Hargrave, but who didn’t step into that role until 1975.
David thought that the Israel pavilion hadn’t moved to Hargrave until 1974, but he wasn’t sure where the first Israel pavilion had been located.
I tried to find information using the Winnipeg Public Library online digital archive. In case you didn’t know, anyone with a library card can access the library’s online archive. You can also have access to newspaperarchive.com through the library’s digital archive. Newspaperarchive.com is an invaluable reference tool for journalists especially – or anyone wanting to access old newspaper archives, for that matter, but ordinarily you would need a subscription to newspaperarchive.com in order to use it. For some reason, however, the search function in the Winnipeg Public Library’s digital search engine didn’t produce results when I entered the word “Folklorama.”
As a result I called the Winnipeg Public Library for assistance and received great help from someone by the name of Louis-Phillipe. After taking my information, Louis-Phillipe phoned me to say that he had found out that the library had compiled a file of press clippings related to Folklorama going back to the very first year, 1970.
Further, Louis-Phillipe said, he had found a list of the 22 pavilions in that first year of Folklorama, along with where they were located. It turns out that the Israel pavilion was actually located in two different venues that first year: the Rosh Pina and the Shaarey Zedek.
The next day I also heard from reader Phyllis Dana, who confirmed that the Israel Pavilion had been in both synagogues. Phyllis also remembered that the only food served that first year was honey cake.
But the pièce de resistance came when I heard from reader Marilyn Breitman (née Stitz), who now lives in Calgary, when she phoned me on Monday, August 21 (which is when she received the August 16 issue of the paper with my story about Folklorama).
Marilyn told me that, not only did she remember that the first Israel pavilion alternated between the Rosh Pina and the Shaarey Zedek, she had actually been the female representative of the Israel pavilion that first year. Her title, Marilyn said, was simply “Jewish.”
But, as you might also recall, the entire confusion over where the first Israel pavilion was located began with an email I had received from Roz Greenfeld, who had written to correct my mistake when I had written in the August 2 issue that the Israel pavilion had been located in the YMHA from the very beginning.
Roz pointed out that, in 1971, the second year of Folklorama, the Israel pavilion was located in “Council House” or, as it was better known, “The Golden Age Club,” on Pritchard and Salter. How did she remember that? Roz was the female representative of the pavilion that year. Her title, as I found out was “Miss Judea,” she said.
So, if the Israel pavilion was located at both the Rosh Pina and Shaarey Zedek in that first year of Folkorama, and in the Golden Age Club that second year, where was it after that?
It was left to Jewish Heritage Centre of Western Canada archivist Andrew Morrison to come up with the answer to that question. Andrew informed me that the Israel pavilion did indeed move to the YMHA in 1972 and remained there for the next 25 years, until it moved to the Asper Campus in 1997.

There was a further footnote to the story, which is when I decided to try my luck with the Winnipeg Public Library’s online archive one more time. This time, rather than searching for “Folklorama,” I tried searching for old copies of both the Free Press and the Tribune from August 1970. I did manage to get results for the Tribune and when I entered a specific search within the Tribune I found a picture of all the famale representatives of pavilions – in bathing suits.
It turned out – and this was corroborated by both Marilyn Breitman and Roz Greenfeld, the female representatives had to parade in unison – in bathing suits, as part of Folklorama festivities. Each year, as well, a queen of Folklorama was chosen. Neither Marilyn nor Roz was made queen, both of them told me, although Roz was voted “Miss Congeniality.”
In addition to finding out about the early days of the Israel pavilion, I also learned that the Chai dancers were not regular performers at the Israel pavilion in those early years – as they eventually did become. Chai performers would dance only one night in those first years, with other entertainment the other nights.
I did enlist Andrew Morrison’s help once again and did find that Chai performed only one evening during the first few years of Folklorama – from 1970 to 1976. In 1977 Chai began performing every night of Folklorama, but there were other performers on hand as well, including Jerry Maslowsky and Rabbi Yosel Rosenzweig. In 1978 the Chai Folk Ensemble was the featured entertainment every evening; however, a notice that appeared in our paper did say that whistler Harvey Pollock would “be on hand” to entertain – whatever that meant.
While some may wonder of what earth shaking importance all this is, I ask: Isn’t it fun to look back in time – for just a little while, instead of worrying about more immediate problems, such as global warming, inflation, terrorist attacks in Israel, and whether Donald Trump will be president while he’s in jail?
Features
EINSTEIN, RITA AND ME
By DAVID R. TOPPER In the early 1960s, when I was an undergraduate student majoring in Physics at Duquesne University in Pittsburgh – there was only one girl in my advanced physics classes. As I learned later, nothing much had changed since the days of Einstein. When he was studying Physics at the Polytechnic in Zurich, the physics classes were all male – except for Mileva Marić, a Serbian who was the first girl in high school ever to take a physics course in the entire Austro-Hungarian Empire. Because Switzerland was the only place where women were admitted to university classes, she was there with Albert in Zurich.
She was very smart, especially in math, and also proficient at the piano. Born with a dislocated hip, Mileva had a slight limp, and the men in the class ignored her – except for one, Albert. They became a couple and eventually married.
Back to me in my university physics classes – where it seems that little had changed for over sixty years. In my advanced classes there was only one girl. Her name was Rita. She mainly stayed to herself. Majoring in Mathematics, she took all the advanced physics courses available, right through the fourth year. In short, in those predominantly male classes, she was an anomaly – alone and ignored by her classmates.
Except me. No, I didn’t date her, yet I didn’t ignore her. During those undergraduate years, I lived at home and took a bus or a trolley to school five days a week, leaving early in the morning. The university is in downtown Pittsburgh. Walking to the campus, I first went to the Physics Department, using it as my base. From there I went to my other classes during the day. There was a small classroom in the Department that was almost always empty, especially in the morning. It could be used for individual studying or small group discussions and such. In the early morning, I was usually the only one there – except for Rita, who used it for studying, too. She often was there, even before me. Usually the conversation started by me saying something like: “Hi Rita, did you get the last problem in mechanics class homework?” Her response was invariably, “Yes.” We would go over it, with her finding my mistakes. We had an amiable relationship that never went beyond our interactions about physics – right up to the end of our university years. As far as I can remember, I don’t think I knew much about her beyond the classroom.
But one event, which I’ll never forget, stands out. It was during our last year of classes in a course on the theory of relativity. For the textbook the prof used a paperback edition of the original papers on the theory. Early in the course, we went through Einstein’s first paper of 1905 – step by step. On this particular day, the prof came in and said he had a problem with the next step in the paper. As we all sat with our books in front of us, he pointed to a certain equation where we ended in the previous class. In the next sentence, Einstein says that such and such follows. The problem for the prof was that he didn’t know how Einstein got that deduction. I looked at it, and didn’t have a clue either.
Just then, Rita’s hand went up. She said she thinks she knows how Einstein got it. The prof asked her to come up to the blackboard and show him. Rita did, and the prof said that she was right. I’m quite sure that – then and there – Rita got an A in that course, if not an A+.
That gives you some idea about Rita and my relationship with her at the time. Not a very significant part of my 4-year undergraduate years – except for this one event in a physics course.
Why then am I bringing this up now, so many years later? Here’s why.
I graduated with my BS degree in the fall of 1964. I then went to graduate school at Case Institute of Technology in Cleveland, majoring in Physics. (It’s now Case-Western Reserve University.)
When I moved there, I lived in a formerly swanky hotel on the edge of the campus, which was purchased by the university as a residence solely for graduate students. They called it The Graduate House. Eleven floors, the top 8 with suites for students, with one floor solely for female students. It was a radical experiment in co-ed living for the time.
My first day there, after getting my room and putting my things in drawers and so forth, it was late in the afternoon – and I was hungry. I had been told when I registered that the dining hall would open the following morning, but for now there was no food. However, on the third floor there were vending machines with sandwiches and such, so I went to find them.
Going down the elevator, exiting at the third floor, and walking down a hall – suddenly I heard my name called. “David, what are you doing here?” Turning around – there was Rita! It was quite a surprise for both of us. This tells you how minimally we interacted before; not even knowing that we both were going to the same graduate school.
I told her that I was majoring in Physics at Case. She, of course, was majoring in Math. After a chat about all this, I said that I was looking for the sandwich machines. She said that there was a diner nearby, and she was going there for dinner with someone else she had just met so I went, too. Thus, Rita and I reunited in Cleveland, now living in the same building.
In a short while, I made friends with a group of people in the Graduate House with diverse majors. Some were in various sciences, others in humanities. It was a lively group, with animated discussions on a range of academic topics, including politics, especially as the Vietnam War became the center of the news in the USA.
Rita was not a part of that group, but I did often see her. Being the eager student that I was, I was up early, getting to the university to study in the library before classes started. Coming to the dining room for breakfast, not long after it opened, I often saw Rita, too – all alone in a far corner. I took my tray and we had breakfast together. Except for that morning ritual, I seldom had any interactions with her.
Thinking about this now, I find the parallel morning rituals (first in Pittsburgh and then in Cleveland) a fascinating serendipitous episode in my life. The difference was that in Cleveland, we were not taking the same courses so we didn’t have to compare solutions to homework. We did talk about our respective courses, and interestingly a parallel appeared. By around mid-term of that first year in graduate school, we both were less than enthusiastic about what we were learning and, accordingly, were both thinking of not carrying on in our respective subjects.
For me it was Quantum Mechanics and the impossibility for us to know reality in itself. Everything was statistical, uncertain and almost esoteric. I found the uncritical attitude toward this world-view to be almost religious in nature. (I only learned later that Einstein felt the same way!)
For Rita, it was the same, despite the different fields. The math now was far beyond basic geometry, algebra and calculus. Topology, Group Theory, Galois’ Theory, and more – all culminating in Gödel’s Theorem, which asserts that all mathematical knowledge is inherently incomplete. It all was too esoteric for her. She knew that she was not going to get a PhD in mathematics.
We commiserated together, with another parallel in our unusual relationship, but with a difference. I still wanted to get my Master’s Degree and somehow still go on to get a job as a professor – that had been my goal in life ever since my first semester at Duquesne. Rita, however, was thinking of dropping out immediately and leaving university life altogether.
For me, this problem was resolved in my second year of Physics at Case, when I took a course taught by Martin Klein. Although he was a physicist in the Department, for many years he no longer was doing research in it. Instead, he was writing papers on the history of the subject – mainly involving Einstein, Boltzmann, Gibbs, Ehrenfest and others. Today those papers are paragons in the field. It was my extremely good luck that the department permitted him to teach such material for the first time.
I loved the course. I was enthralled by the topics – this was the way I wanted to learn physics, through its history. After getting my Master’s in Physics at the end of that year, I moved across campus to the History of Science Department. In another four years I had a PhD in the subject.
Back to early 1965: I tried to talk Rita out of dropping out, but she was adamant. The kicker was this: she really preferred numbers with $$$$ in front of them. Yes, she wanted to be an accountant. She didn’t want to waste any more time here, when she could be home getting her accounting credentials. As I recall, sometime before the spring of that year she went back to Pittsburgh. I’m sure she had an easy time getting her accounting licence and all that went with it. As she was very smart. My guess is that she was an excellent accountant and was very successful in that career.
I have no way of knowing. We didn’t keep in touch (honestly, I don’t know why not) and I can’t even remember her last name. All that I can recall is what I’ve written here. Nonetheless, I find these two interactions between Rita and me an interesting and pleasing tidbit about life and relationships – so much so that I deem it worthy of repeating here.
David R. Topper writes in Winnipeg, Canada. His work has appeared in Mono, Poetic Sun, Discretionary Love, Poetry Pacific, Academy of the Heart & Mind, Altered Reality Mag. and elsewhere.
His poem Seascape with Gulls: My Father’s Last Painting won first prize in the annual poetry contest of CommuterLit Mag – May 12, 2025.

