Skip to content
I T S S
  • Welcome
  • Hardware
  • Internet
  • Networking
  • Security
  • Data Recovery
  • Support
  • Contact
  • Webmail

A Nice Little Cryptography Primer

By itss | 28/06/2021
0 Comment

Pun Intended.

Category: Technology
Post navigation
← pfSense / Wireguard / Bad Code / Close Call Why Quake3 was so fast : Fast Inverse Square Root →

Recent Posts

  • Hardware Exploits?
  • Why Quake3 was so fast : Fast Inverse Square Root
  • A Nice Little Cryptography Primer
  • pfSense / Wireguard / Bad Code / Close Call
  • Apple Continues Its Trip To The Dark Side With The Release of MacOS 17 (Big Sur)

Slashdot

News for nerds

  • LinkedIn Planning To Lay Off 5% of Staff In Latest Tech-Sector Cuts
    by BeauHD on 13/05/2026 at 6:00 pm

    An anonymous reader quotes a report from Reuters: LinkedIn planned to inform staff of layoffs on Wednesday, two people familiar with the matter told Reuters, in a widening of technology sector cuts this year. The Microsoft-owned social network plans to cut about 5% of its headcount as it reorganizes teams and focuses personnel on areas where its business is growing [...]. LinkedIn employs more than 17,500 full-time workers globally, its website says. Reuters was unable to determine the teams affected. The cuts come as revenue at LinkedIn, which sells recruiting tools and subscriptions, rose 12% in the just-ended quarter from a year prior, in an acceleration of growth in 2026, according to Microsoft's securities filings. The layoff rationale was not for artificial intelligence to replace jobs at LinkedIn, one of the people told Reuters. The specter of AI-fueled disruption has nonetheless hung over software incumbents and workers generally. Read more of this story at Slashdot.

  • KDE Receives $1.4 Million Investment From Sovereign Tech Fund
    by BeauHD on 13/05/2026 at 5:00 pm

    The German Sovereign Tech Fund has invested 1.2 million euros ($1.4 million USD) in KDE Plasma technologies to help strengthen the structural reliability and security of the desktop environment's core infrastructure, including Plasma, KDE Linux, and the frameworks underlying its communication services. Longtime Slashdot reader jrepin shares an excerpt from the announcement: For 30 years, KDE has been providing the free and open-source software essential for digital sovereignty in personal, corporate, and public infrastructures: operating systems, desktop environments, document viewers, image and video editors, software development libraries, and much more. KDE's software is competitive, publicly auditable, and freely available. It can be maintained, adapted, and improved in-house or by local software companies. And modifications (along with their source code) can be freely distributed to all users and departments within an organization. KDE will use Sovereign Tech Fund's investment to push its essential software products to the next level, providing every individual, business, and public administration with the opportunity to regain their privacy, security, and control over their digital sovereignty. Slashdot reader Elektroschock also shared a statement from Fiona Krakenburger, Technical Director at the Sovereign Tech Agency. "We have long invested in desktop technologies for a reason: they are the primary way people access and use digital services in everyday life," says Krakenburger. "The desktop holds personal data and mediates nearly every service we depend on, from booking the next medical appointment, to education, to the way we work. We are investing in KDE because it is one of the two major desktop environments used across Linux and plays a key role in how millions of people experience open technology. Strengthening KDE's testing infrastructure, security architecture, and communication frameworks is how we invest in the resilience and reliability of the core digital infrastructure that modern society depends on." Read more of this story at Slashdot.

  • Harvard Votes On Limiting 'A' Grades
    by BeauHD on 13/05/2026 at 4:00 pm

    Harvard faculty are voting on a proposal (PDF) to curb grade inflation by limiting solid A grades to 20% of students in a class, plus four additional A's per course. Axios reports: Grade inflation is at a tipping point at Harvard. A move to make A grades harder to come by at one of the world's leading universities could influence grading debates at peer institutions. Solid A's account for nearly two-thirds of all undergraduate letter grades. That's up from roughly a quarter 20 years ago. More than 50 members of last year's class graduated with perfect GPAs. [...] Faculty are voting on three separate provisions. Each requires a simple majority to pass. A cap to limit solid-A grades to 20% of enrolled students in a class, plus four additional A's per course. Changes to how internal honors are calculated, moving from traditional grade point average scoring to an average percentile rank. Allowing courses to use new "satisfactory" or "unsatisfactory" marks with a "satisfactory-plus" distinction. A pre-vote faculty poll showed around 60% of the 205 respondents favored the 20-plus-four formula over an alternative. Supporters of the cap argue it's intentionally modest as it places no restrictions on A-minuses. The four-grade buffer is designed to protect small seminars where a higher proportion of students may succeed. [...] If passed, changes would take effect in fall 2027, followed by a mandatory three-year review. Read more of this story at Slashdot.

  • Meta Employees Launch Protest Against Mouse-Tracking Tech At US Offices
    by BeauHD on 13/05/2026 at 3:00 pm

    An anonymous reader quotes a report from Reuters: Meta employees distributed flyers at multiple U.S. offices on Tuesday to protest the company's recent installation of mouse-tracking software on their computers, according to photos of the pamphlets seen by Reuters. The flyers, which appeared in meeting rooms, on vending machines and atop toilet paper dispensers at the Facebook owner's offices, encouraged staffers to sign an online petition against the move. "Don't want to work at the Employee Data Extraction Factory?" they asked, according to the photos seen by Reuters. [...] The pamphlets and the petition both cite the U.S. National Labor Relations Act, saying "workers are legally protected when they choose to organize for the improvement of working conditions." In the UK, a group of Meta employees has started organizing a drive for unionization with United Tech and Allied Workers (UTAW), a branch of the Communication Workers Union. The employees set up a website to recruit members using the URL "Leanin.uk," a reference to former Chief Operating Officer Sheryl Sandberg's best-selling book encouraging women to seek equal footing in the workplace. "Meta's workers are paying the price for management's reckless and expensive bets. While executives chase speculative AI strategies, staff are facing devastating job cuts, draconian surveillance, and the cruel reality of being forced to train the inefficient systems being positioned to replace them," said Eleanor Payne, an organizer with UTAW. "If we're building agents to help people complete everyday tasks using computers, our models need real examples of how people actually use them -- things like mouse movements, clicking buttons, and navigating dropdown menus," said a statement Meta issued earlier. Read more of this story at Slashdot.

  • CERN Open Sources Its KiCad Component Libraries
    by BeauHD on 13/05/2026 at 11:00 am

    Ancient Slashdot reader ewhac writes: CERN, a longtime Open Source pioneer, has made several contributions over the years to KiCad ("KEE-kad"), an Open Source EDA (Electronic Design Automation) package widely used in the hobbyist and professional electronics communities. It's gotten so widely used that users can now submit their KiCad design files directly to several electronics fabricators (rather than the traditional step of converting the layouts to Gerber files). Over the years, CERN has also developed their own symbol and footprint libraries to support their own internal electronic designs. Last week, CERN released those KiCad component libraries, containing over 17,000 symbols, under the CERN Open Hardware License. Read more of this story at Slashdot.

  • Why Are Some People Mosquito Magnets?
    by BeauHD on 13/05/2026 at 7:00 am

    fjo3 shares a report from Phys.org: Ever felt like mosquitoes bite you while ignoring everyone else? Scientists are now making progress in deciphering the complex chemical cocktail that makes particular people more enticing to these disease-spreading bloodsuckers. "It's not a misconception -- mosquitoes are attracted to some people more than others," Frederic Simard of France's Institute of Research for Development told AFP. "But we are not all magnets all the time," the medical entomologist added. A range of sensory cues can cause mosquitoes to pick one human over another -- mainly the smell and heat our bodies give off, and the carbon dioxide we exhale. Female mosquitoes -- which are the only ones that bite -- detect these signals with finely tuned receptors, then choose their target accordingly. "We have known for over 100 years that mosquitoes are attracted by the carbon dioxide that we exhale -- this is the first signal that triggers their behavior" when they are dozens of meters away, Swedish scientist Rickard Ignell told AFP. Within around 10 meters, "mosquitoes will start detecting our odor, and in combination with carbon dioxide," this attracts them even more, said the senior author of a recent study on the subject. As they get closer, body temperature and humidity make particular humans even more enticing. [...] For Ignell's recent study, the researchers released Aedes aegypti mosquitoes -- known for spreading yellow fever and dengue -- on 42 women in a lab, to see which ones they preferred. "We have shown that mosquitoes use a blend of odorous compounds (we identified 27 that the mosquitoes will detect, out of the possible 1,000) for their attraction to us," Ignell said. The woman the mosquitoes most liked to bite -- which included pregnant women in their second trimester -- produced a large amount of a particular compound made by a breakdown of the skin oil sebum. That even a small increase of this compound -- called "1-octen-3-ol", or mushroom alcohol -- made a difference came as a surprise, Ignell emphasized. Read more of this story at Slashdot.

Archives

  • September 2022
  • November 2021
  • June 2021
  • March 2021
  • November 2020
  • October 2020
  • September 2020
  • February 2020
  • January 2020
  • October 2019
  • August 2018
  • July 2018
  • April 2018
  • February 2018
  • January 2018
  • December 2017
  • October 2017
  • September 2017
  • August 2016
  • July 2016
  • March 2016
  • February 2016
  • August 2015
  • May 2015

Categories

  • Innovation
  • Security
  • Software
  • Technology

Tags

backdoor cisco coding json laziness patterns public information announcement security vulnerability
© 2017 IT Sales & Services Ltd
Quality IT solutions in Tanzania since 2010
Iconic One Theme | Powered by Wordpress