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Posts Tagged ‘entropy’

Joshua Rubin, a security engineer with zvelo, disclosed his research into the (in)security of Google Wallet. Google Wallet is a new near field communication (NFC) electronic wallet that allows customers to pay for everyday purchases by entering a PIN on their Android smartphone and tapping it on a receiver, similar to Mastercard PayPass.What Rubin discovered […]

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EMET’s new Bottom Up Randomization spectacularly increased the entropy of DLL’s base addresses loaded into my test program. Instead of 15 different addresses, I had more than 200.Matt Miller told me how he implemented Bottom Up Randomization: “It works by reserving a random number (between [0,256]) of 64K regions via VirtualAlloc. This has the effect […]

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