Browsing All posts tagged under »encryption«

A story of Gmail war on spam, and plans for end-to-end encrypted mail

September 6, 2014

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Mike Hearn is a security expert that worked on prevention of spam and abuse at Google, and on Bitcoin-related systems. He wrote a rich but clear mail that gives a good perspective on the effort that email providers must pay to be able to fight spam effectively: Modern anti-spam and E2E crypto (via reddit.com/r/programming). The essay […]

Bruce Schneier on government surveillance

September 8, 2013

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The security expert Bruce Schneier wrote some useful essays on the current situation of Edward Snowden exposing the US surveillance programs, especially the documents where the US and UK intelligence agencies allegedly cracked the protection measures of common users for data collection and analysis. In “Conspiracy Theories and the NSA“, he argues that the feeling […]

Linux: How to encrypt your data on hard drives, USB sticks, etc. – Random sputterings..

December 19, 2012

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Andreas Happe wrote a simple guide on how to encrypt your home directory or USB sticks with Linux. Some time ago I blogged about Encrypted Linux on USB key, which uses the same encrypting solution, LUKS. The guide: Linux: How to encrypt your data on hard drives, USB sticks, etc. – Random sputterings...

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 […]

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, […]

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.

Encrypted Linux on USB key

January 3, 2012

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In this post I suggest a way to have an encrypted Linux installation on a USB key, which to me is useful when I travel and I want to securely access the functionality that desktop Linux offers. I want to have no fear that what I take with me will be stolen, even if what I take with me is a full Linux OS, together with my data and maybe some online passwords saved in the browser.

New Convergence notaries emerge

October 4, 2011

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When I talked about Convergence (a new SSL paradigm that improves security while browsing HTTPS sites on Firefox) in this blog post, I noted that the system needed a kickstart to become effective. Luckily, new Convergence notaries start to emerge. SSL Labs now runs its own notary servers, here the details and the instructions to […]

Convergence: fixing SSL security

September 4, 2011

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Today I discovered how broken is the current situation for SSL, HTTPS and Certification Authorities (CA), thanks to a Reddit post about a “BlackHat USA 2011” 48-minutes presentation that is very entertaining to follow: SSL And The Future Of Authenticity “too long; didn’t watch” Here’s a quick summary. The speaker tells a story of a […]

Encrypting data on USB flash drives with LUKS

August 25, 2011

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I wanted to explore a different way to encrypt data on portable USB flash drives other than Truecrypt, so I checked what could be done with Linux Unified Key Setup (LUKS). LUKS is an encryption method that is implemented on Linux by “cryptsetup” package, and on Windows by FreeOTFE. It encrypts a partition or a file […]