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A Nice Little Cryptography Primer

By itss | 28/06/2021
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Pun Intended.

Category: Technology
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  • Small AI Models Gain Traction Around the World
    by BeauHD on 06/07/2026 at 11:00 pm

    locater16 shares a report from IEEE Spectrum: One morning in 2019, Adebayo Alonge was in a Cape Town hotel room, preparing to demonstrate his startup's AI answer to a serious problem in African health care: counterfeit medication, which kills thousands of people across the continent every year. The RxScanner is a handheld spectrometer that scans a pill with infrared light, then sends the item's molecular profile to an AI model equipped with a pharmaceutical database. In seconds, the AI identifies the medication from its molecular profile -- or reports that it's phony. Pharmacies were using the system in more than a dozen countries, including Ghana, Kenya, Myanmar, and Alonge's native Nigeria. But that morning in South Africa, it didn't work. "I was shocked," Alonge says... So Alonge immediately asked his engineers to shrink the AI model down to a smaller, low-power, unconnected version that could run entirely on his Android phone. They produced it 2 hours later, and that saved the demo. More importantly, the work birthed a new version of his device, which can authenticate a pill in places without broadband, computers, or even reliable electricity. It also turned Alonge into an advocate for this kind of "small AI." "The article goes on to detail other immediately useful 'small' AI applications without any subscription or billion dollar data centers needed," writes locator16. For example, Bala Murugan and colleagues at Vellore Institute of Technology in India developed a drone-based system that photographs cashew plants and identifies disease-indicating splotches on the plants. The key advantage is that all processing happens on the drone itself, so farmers do not need a computer, broadband connection, or cloud server access. In a Uruguayan vineyard, researchers developed small-AI systems to identify ant infestations. The article doesn't go deep into the deployment details, but it presents this as another example of a narrow, localized model trained to recognize a specific agricultural threat. Small AI has also been used to detect the presence of malaria-carrying mosquitoes in multiple countries. This is especially useful in regions where public-health teams may lack reliable network access or expensive lab infrastructure, but still need fast, local detection. In parts of Brazil without access to more complex medical equipment, researchers have used small AI to run electrocardiograms from an Arduino device. The article also describes Marcelo Jose Rovai's work on a TinyML model that generates electrocardiograms in a patient simulator lab. Rovai also describes a newer experiment using an Arduino UNO Q with a Qualcomm chipset. The device runs a language model locally, collects sensor data, and analyzes it to detect tiny pools of water where mosquitoes might breed -- while using only about 3 watts of power. Read more of this story at Slashdot.

  • Supreme Court Allows Texas To Require Age Verification For Mobile Apps
    by BeauHD on 06/07/2026 at 10:00 pm

    The Supreme Court allowed Texas to enforce a law requiring app stores to verify users' ages and obtain parental consent before minors can download apps. Tech industry groups argue the law broadly restricts young people's access to digital speech, but the court let a 5th Circuit order stand without explanation or noted dissents. CNN notes that the Supreme Court's decision "doesn't resolve the case but rather will allow Texas to enforce the law while the litigation continues to play out." From the report: "A minor child who downloads a software application from an app store agrees to contractual terms of service, including whether the child's location will be tracked, whether the child's privacy will be protected, whether information from the child's phone can be sold by the developer, and whether the child waives the right to sue," Texas told the Supreme Court in urging the court to allow its law to take effect. But the Computer & Communications Industry Association, a trade group whose members include Apple and Google, said the law would effectively bar young people from accessing a wide range of content, "be it a book by Ernest Hemingway or J.K. Rowling, a Taylor Swift album, or a subscription to National Geographic." Allowing the law to take effect, the group said, would have "profound consequences for the protection of digital speech." [...] In the new case, involving Texas' age verification for apps, a federal district court blocked the law's enforcement in December -- days before it was set to take effect. But a three-judge panel of the conservative 5th US Circuit Court of Appeals put that decision on hold in early June, allowing the state to enforce it. By declining to take up the emergency appeal from the computer and student groups, the Supreme Court has left the 5th Circuit's decision in place. Read more of this story at Slashdot.

  • South Korea's SK Hynix Launching $28 Billion US Listing To Ride Global AI Wave
    by BeauHD on 06/07/2026 at 9:00 pm

    SK Hynix is launching a Nasdaq listing expected to raise about $28 billion, giving US investors easier access to one of the biggest beneficiaries of the AI memory-chip boom. Reuters reports: The company will sell 17.79 million new shares in the depository receipt listing on the Nasdaq. Ten ADRs will represent one common share and the stock will be sold in a price range that is due to be revealed on Monday, based on SK Hynix's Seoul trading price. SK Hynix's share price was down 4% at 2,327,000 won each on Monday, but the stock is up about 273% this year, as it rides surging global investor demand for AI stocks. Korea's KOSPI was down 2.2% on Monday. [...] SK Hynix has been among the world's largest beneficiaries of the AI boom as it outperformed its major rivals Samsung and Micron. "This is more than a liquidity event," said Dave Mazza, the chief executive officer of Roundhill Investments in New York, which manages an exchange-traded fund tracking DRAM manufacturers, which is one of the most popular ways for U.S. investors to trade SK Hynix's stock. "SK Hynix has been one of the most important companies in the world that most U.S. institutions could not easily own." "The listing removes an accessibility discount, not a quality discount." [...] SK Hynix said the proceeds from the listing of the American Depositary Receipts will be used to build chip factories in South Korea and buy chipmaking equipment including an extreme ultraviolet scanner made by Dutch equipment maker ASML. The final price of the New York listing is due to be set on Thursday, ahead of the stock starting trade on Friday, regulatory filings showed. The company's management will meet global investors on a roadshow this week. The deal is expected to be the second-biggest share sale after a record $85.7 billion initial public offering by SpaceX last month, surpassing Saudi Aramco's $25.6 billion IPO in 2019 and Alibaba's similar-sized offering in 2014. Read more of this story at Slashdot.

  • Zombie 'Who Owns Unix?' Lawsuit Comes Alive Again
    by BeauHD on 06/07/2026 at 8:00 pm

    The long-running SCO/IBM Unix and Linux ownership dispute has resurfaced yet again, this time through SCO successor Xinuos, which is trying to pursue old license and copyright claims tied to Project Monterey. "The core issue seems to be whether Xinuos even has the right to litigate the matter, or if some ancient legalese in the original agreements means the window for legal argument has long since expired," reports The Register. From the report: [T]he roots of the case are the 1998 alliance between IBM and a company called the Santa Cruz Operation which sold a version of UNIX for x86 CPUs. Those two companies, plus Intel and Sequent, created "Project Monterey" -- an effort to create a unified version of UNIX that could run on multiple processors. By 2001, Project Monterey was close to delivering a unified UNIX, an achievement made possible by blending code from IBM and SCO. By then, a little project called "Linux" already ran on multiple processors. Big Blue decided Linux was the future and bailed from Project Monterey -- then allegedly contributed some Monterey code to the open-source project and to its own AIX and Z operating systems. SCO felt it owned some of that code, so sued IBM. SCO and its successors struggled to survive, but interested parties kept the lawsuit alive because the chance to emerge as owner of parts of the Linux codebase, and IBM's code, had the potential to turn into a colossal payday. The case and its successors ended in 2021, with a settlement that saw litigants agree to end the matter without IBM admitting fault. But by then, SCO had sold its software to a biz called Xinuos that decided to fight on. The Xinuos case has burbled along quietly since, and on June 22nd reached the milestone of a hearing. The matter has become a little more modern, if only because this hearing was held online and the presiding judge appeared to unwittingly be on mute at one point. But the arguments otherwise seemed to revisit Project Monterey, debated the relevance of past litigation, contested who owned what, when they owned it, and how they could prove it. Xinuos argued IBM never had a license for SCO code. Big Blue argued that it did nothing wrong. Read more of this story at Slashdot.

  • Secret Claude Tracker Shocks Users After Anthropic's Anti-Surveillance Stance
    by BeauHD on 06/07/2026 at 7:00 pm

    An anonymous reader quotes a report from Ars Technica: Anthropic quickly removed a tracker secretly monitoring Claude Code users in China after a security researcher exposed the hidden code and condemned the spyware-like tracking as a "serious breach of user trust." Last week, a web developer known as "Thereallo" was researching privacy issues in Claude Code and was shocked to find that the AI firm was using "prompt steganography" to hide code that tracks Chinese users "in plain sight." This code wasn't malicious, but it was sending information to Anthropic that most users wouldn't detect, relying on shorthand markers to quietly flag users' timezone, proxy, and potential connection to Chinese AI labs that Anthropic has accused of distillation attacks. On X, Anthropic engineer Thariq Shihipar confirmed that the tracker was added to Claude Code as an "experiment" in March. According to Shihipar, the code "was meant to prevent account abuse from unauthorized resellers and protect against distillation." Regarding the former, The Washington Post found unauthorized retailers have sold access to free models for $1 a month, and pro subscriptions that can cost $100 monthly sell for "as little as $12." Supposedly, Anthropic has "actually been meaning to take this down for a while," Shihipar said of the hidden code, because engineers have "landed stronger mitigations since then." Privacy advocates were not happy with the explanation, though, warning that the code is evidence that Anthropic is willing to cross lines to surveil users. That's perhaps especially surprising, considering that Anthropic riled the Trump administration by refusing to allow the US government to use Claude to surveil US users. The AI firm has since sued the White House over the clash. The Post suggested that the tracker incident is a sign that US firms like Anthropic are taking "increasingly aggressive measures" to block Chinese AI firms from copying their models. A more defensive stance has apparently become critical. In the past year, Chinese firms have "consistently matched" US firms' model capabilities "within months," the Post reported. Most recently, "a new, free AI model from Chinese company Zhipu AI was better at finding computer vulnerabilities than Anthropic's Claude Opus 4.8 model, which was released in May," the Post reported. Read more of this story at Slashdot.

  • Microsoft Lays Off Nearly 5,000 Employees Across Xbox, Commercial Sales
    by BeauHD on 06/07/2026 at 6:30 pm

    Microsoft is laying off about 4,800 employees, including 1,600 from Xbox, as it restructures around AI investments and tries to reset its struggling gaming business. "Our business is changing because the world around it is changing. The way technology is built, deployed, and used is transforming faster than at any point in my time here," said Amy Coleman, EVP and chief people officer at Microsoft. "Our customers' needs are shifting, the business models that serve them are shifting, and that means the work itself -- what we do, where we focus, and how we're organized -- has to transform too." She continued: "Companies don't get to choose whether their industry changes; they only get to choose whether they change with it. That means we will need to adjust resources and roles and shift how we operate so we can have the greatest impact for our customers." TechCrunch reports: Coleman stressed that the roles being eliminated today "are not being replaced by AI," but noted, "what is true is that AI is changing how work gets done." "Some of the tasks we do every day can now be automated, and that means we all need to keep learning, keep building new skills, and keep adapting as the work evolves," Coleman wrote. [...] Speaking about the Xbox layoffs, Coleman said little: "We are restructuring to position the business for long-term success. Engineering teams across the company will also evolve their structure and priorities to meet customer needs and innovate for the future." Of today's 4,800 layoffs at Microsoft, 1,600 will hit Xbox, with about 3,200 cuts in total expected through fiscal year 2027, according to Asha Sharma, CEO of Xbox. In an email she sent to employees on Monday, Sharma called this "the most significant restructure in Xbox history." "Our business today is not healthy," Sharma wrote. "We are operating at margins that are 3-10x lower than comparable platform and publishing businesses." She added that Xbox made bets like its monthly subscription service Game Pass, alongside moves to grow its portfolio of content and invest in multi-platform, among other attempts to breathe life into the business. None of those strategies grew at the expected pace, leading to the core business weakening even as Xbox added more teams and investment. "And now the industry is facing the most severe hardware crisis in its history," Sharma said. "We must reset Xbox." As part of the shift, Microsoft will transition four of its gaming studios to operate under new management, ensuring preservation of intellectual property and ongoing projects. Specifically Compulsion Games and Double Fine Productions will return to independent studios, according to Sharma. Ninja Theory and Undead Labs are coming under new ownership with funding to complete and grow some of their more popular games. According to Sharma's memo, Xbox is also flattening management hard, cutting the current 14 management layers to no more than five, but ideally three. As part of this major organization redesign, Xbox is making longtime executive Helen Chiang chief operating officer with end-to-end profit and loss authority across content, hardware, platform, and services. Xbox's restructuring plan centers around narrowing focus by dropping sprawling creative bets that don't produce platform-scale returns, and instead homing in on core strategic pillars like Mojang and King, the businesses behind Minecraft and Candy Crush. Read more of this story at Slashdot.

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