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A new SSL/TLS vulnerability has been discovered that makes it possible to decrypt the HTTPS encryption protocols used between websites and browsers on Apple and Android devices. The flaw has been dubbed Freak (Factoring attack on RSA-Export Keys) and information on the specifically created freakattack.com website explains that it works by forcing a mobile device browser to use an older, breakable encryption standard. “The vulnerability allows attackers to intercept HTTPS connections between vulnerable clients and servers and force them to use ‘export-grade’ cryptography, which can then be decrypted or altered,” it said. “Vulnerable clients include many Google and Apple devices (which use unpatched OpenSSL), a large number of embedded systems, and many other software products that use TLS behind the scenes without disabling the vulnerable cryptographic suites.” The flaw was uncovered by a team of researchers at SmackTLS.com, who explained that the problem exists because of former US government policy concerning encryption technologies. “This attack targets a class of deliberately weak export cipher suites. As the name implies, this class of algorithms has been introduced under the pressure of US governments agencies to ensure that the National Security Agency would be able to decrypt all foreign encrypted communication, while stronger algorithms were banned from export as they were classified as weapons of war.” This means that attackers can force a server into deliberately using an encryption key that can be broken in about 12 hours. “Thus, if a server is willing to negotiate an export cipher suite, a man-in-the-middle [attack] may trick a browser (which normally doesn't allow it) to use a weak export key,” the team explained. Numerous high-profile websites are affected by the flaw, such as americanexpress.com, groupon.com and whitehouse.gov. Overall, almost 10 percent of the Alexa top million websites could be affected. V3 contacted Apple and Google for comment on the flaw but had received no reply at the time of publication. F-Secure researcher Sean Sullivan told V3 that the discovery underlined the risks of trying to control technology like encryption, something that David Cameron has recently made noises about in the UK. “In the 1990s there was this idea that they could control encryption and code as if it was a tangible thing and ban its export. Here we are 20 years later and you can see how that ideal has backfired,” he said. “Cameron is making this same point today, but our reliance on encryption is only increasing and, if you try to introduce some ‘weaker’ standards that you want to control, it will come back to haunt you.” Sullivan added that the risk to web users from the Freak flaw is more theoretical than anything else, as an attacker would need to compromise a website's server and then force a device to accept the older standard. Nevertheless, the incident demonstrates the risks posed by web browsers and the unintended consequences of trying to create two-tier technology systems. Source
Slicy totally reinvents Photoshop slicing. To export PSD elements as assets for your website or app, rename your layer groups once and let Slicy do everything else. Designers and developers, rejoice! Slicy exports layer groups independently, giving you total freedom to move, overlap or even hide design elements. Tagging for export is easy while organizing your PSDs, and quickly saves you tons of time. You'll soon experience how natural this revolutionary new way of exporting is. Precision exporting, including transparency Wonderful for App, Web and icon design No grids or templates, just use your mockup AutoSize or explicitly define areas to export AutoRepeat when you save in PS (optional) For you, or a team — no plug-ins required Fantastic advanced canvas/group slicing 99% real-world PSD support, including CS6 Free Download Source