New threat forces cryptography rethink

    Date10 Oct 2002
    CategoryCryptography
    3645
    Posted ByAnthony Pell
    Hackers start using 'side-channel' attacks Side-channel attacks are the next big threat from hackers, according to the head of RSA Labs. Normal attacks on code are conducted by looking at the unencrypted message and the encrypted message and attempt to . . . Hackers start using 'side-channel' attacks Side-channel attacks are the next big threat from hackers, according to the head of RSA Labs. Normal attacks on code are conducted by looking at the unencrypted message and the encrypted message and attempt to recover the encryption key. But side-channel attacks look at other information in an attempt to crack the code, such as the time taken to perform an operation and how power consumption changes.

    Bert Kaliski, head of RSA Labs, told vnunet.com that these methods are forcing the industry to think again. "Side-channel attacks are causing a fundamental rethink in the way we write encryption software," he said. "As the methods used become automated, our job is getting tougher."

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