Browsing All Posts filed under »Software«

The winner of SHA-3 contest

October 3, 2012

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There’s a new standard hash algorithm in town, its official title is SHA-3 but its birth name is Keccak. NIST announced yesterday the winner of a long contest, that selected from many submissions the 5 algorithms most apt to substitute the current SHA-2 hash method, and from those 5 Keccak emerged as a victor. As I wrote in […]

WhatsApp is broken, really broken | fileperms

September 19, 2012

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WhatsApp is broken, really broken | fileperms. This article explains in details many security problems of WhatsApp, the widely used instant messaging application. To summarize: The mobile number is sent in plain text over the network The username of the account is the mobile number The password can be derived either from the MAC address […]

Daphne Koller: What we’re learning from online education

September 16, 2012

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I really think that education is the silver bullet, and this TED talk shows the effort of the best universities to bring education to everyone thanks to the modern and affordable technologies that we have available right now. Online education is not a substitute for teachers and classrooms, but it can scale and complement the […]

afreak.ca » Safeguarding your laptop with encryption, passwords, and behaviour

September 15, 2012

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A collection of very thoughtful measures to protect your data when you take your laptop around. It doesn’t cover international-spy-level security, but everything suggested can be put into place by any computer geek that is worried of data and identity theft, in order to achieve a reasonable protection. afreak.ca » Safeguarding your laptop with encryption, […]

Fake Dawn: an Android app to wake up gently

July 23, 2012

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I present you my first Android app: Fake Dawn. Fake Dawn is an alarm that gradually increases brightness and sound volume to lead you out of deep sleep and wake you up gently. There’s plenty of medical research indicating that our sleep rhythm is influenced by light. Usually we are impacting negatively our sleep pattern […]

Collusion: a plugin to visualize cookie trackers

July 9, 2012

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All the relevant sites on the Internet use cookies in some way or another. All the cookies in our browser can be considered the digital traces we leave when we surf. Up until now I had difficulties understanding the dimension of the problem, or how much of me is potentially passed around without asking my […]

Free Electrons Android training materials

June 20, 2012

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Free Android training materials – Free Electrons blog. Free Electrons publishes another set of extremely useful materials that include instructional slides, source code and documentation. The objective of the course is to familiarize with Android from its lowest levels, using also this Devkit8000 embedded board. The (383) slides and the (24-pages-long) hands-on lab exercises are […]

Google Drive is here!

April 25, 2012

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Your Google Drive is not ready yet Well, almost here… Here is a quick comparison on some of the remote storage and file sync solutions that I consider important: Online Service Win Mac Linux Android iPhone Web Client-side Encryption Initial Space Client Source Server Source Google Drive Yes Yes No Yes Soon Yes No 5GB […]

How programmers can easily choose strong passwords

April 22, 2012

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Choosing a password is always a trade-off between security and usability. Programmers can shift this compromise thanks to some qualities of their work. The idea is to use lines of code as passwords.

ARM926 interrupts in QEMU

April 15, 2012

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In this post I prepared what I think is the simplest example on how to manage interrupts for the widespread ARM926 core. From this example one can expand the complexity of the interrupt management at will. I’m going to test the functionality with QEMU, emulating the Versatile Platform Baseboard. I based this example on my […]

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