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Announcing Keyless SSL
CloudFlare is an engineering-driven company. This is a story we're proud of because it embodies the essence of who we are: when faced with a problem, we found a novel solution.
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The latest blog posts to take off on Hacker News. 8,776 posts.
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Craig Gentry named MacArthur Fellow for work on fully homomorphic encryption
Fueling a revolution in cryptography and theoretical computer science through his breakthroughs in fully homomorphic encryption, leading to the possibility of more secure cloud computing.
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A shallow survey of formal methods for C code
Two interesting things in formally verified software happened recently. The big one was the release of SeL4 - a formally verified L4 microkernel. The second was much smaller, but closer to my usual scope: a paper which showed the correctness of sections of a couple of the assembly implementations of Curve25519.
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Bypassing a Python sandbox by abusing code objects
Awhile ago, I stumbled upon a service that let you write python-bots to interact with a number of external services. The basic idea was th...
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Reverse engineering a counterfeit 7805 voltage regulator
Update: It turns out my 7805 isn't counterfeit. eclectro did an in-depth search ( details on reddit ) and found an old 7805 datasheet fro...
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Zeroing buffers is insufficient
With a bit of care and a cooperative compiler, we can zero a buffer — but that's not what we need. What we need to do is zero every location where sensitive data might be stored. Remember, the whole reason we had sensitive information in memory in the first place was so that we could use it; and that usage almost…
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Recommended Security Reading
dfir.org is the personal page of Andrew Case ( @attrc ). This website serves as a central location for all of my research, software projects, and speaking events.
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Gradually sunsetting SHA-1
Cross-posted on the Chromium Blog The SHA-1 cryptographic hash algorithm has been known to be considerably weaker than it was designed t...
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Sophos News - The Sophos Blog
The Sophos Blog
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Nearly All U.S. Home Depot Stores Hit By Credit Card Theft
New data gathered from the cybercrime underground suggests that the apparent credit and debit card breach at Home Depot involves nearly all of the company’s stores across the nation.
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Predicting the next Math.random() in Java
A while back a friend of mine hosted a programming competition where you were given 9 random numbers one at a time and you had to guess the rank (the sorted position amongst the 9) of each as they are coming in. The goal was to submit a strategy in Java that will maximize the number of these games won. The best…
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A call to arms: Helping Internet services accept anonymous users
Looking for a way to help the Internet stay open and free? This topic needs some dedicated...
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Firefox 32 Supports Public Key Pinning
Public Key Pinning helps ensure that people are connecting to the sites they intend . Pinning allows site operators to specify which certif...
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The poisoned NUL byte, 2014 edition
Posted by Chris Evans, Exploit Writer Underling to Tavis OrmandyBack in this 1998 post to the Bug...
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Chaos Computer Club Supports Chelsea Manning and Edward Snowden
Since its founding more than thirty years ago, the Chaos Computer Club (CCC) holds strong beliefs in the freedom of information. Consequentially, freedom fighters and whistleblowers deserve our...
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RTFM 0day in iOS apps
DIN INFO IP Adresse ( IPv4 eller IPv6) 104.165.132.197 Port: 47376 Hostnavn: 104.165.132.197 X-Forward IP Adresse(r): Browser (UserAgent): Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.36 Forespørgsels Timestamp (Unix tid): 1793882617 Forespørgsels…
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Lorem Ipsum: Of Good and Evil, Google and China
Imagine discovering a secret language spoken only online by a knowledgeable and learned few. Over a period of weeks, as you begin to tease out the meaning of this curious tongue and ponder its purpose, the language appears to shift in subtle but fantastic ways, remaking itself daily before your eyes. And just when you…
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