A Quantum Leap in Codes for Secure Transmissions

    Date29 Jan 2004
    CategoryCryptography
    3572
    Posted ByAnthony Pell
    Scientists at companies in Europe, Asia and the United States say they are close to a commercial version of what they see as an uncrackable way of transporting data. Among the first customers are expected to be banks and intelligence agencies, as well as governments that want to introduce secure digital services like electronic voting. The technology, called quantum cryptography, is a radical departure from the way data is secured today. . . . Scientists at companies in Europe, Asia and the United States say they are close to a commercial version of what they see as an uncrackable way of transporting data.

    Among the first customers are expected to be banks and intelligence agencies, as well as governments that want to introduce secure digital services like electronic voting. The technology, called quantum cryptography, is a radical departure from the way data is secured today.

    The technology, called quantum cryptography, is a radical departure from the way data is secured today.

    Throughout history, important messages sent by governments, armies and businesses have relied on codes that are encrypted at one end and decrypted by the recipient. But to make this happen, information about the code has to be shared by at least two people via courier, or, as is more often the case in modern times, via a communications network. And that relay makes the codes susceptible to interception.

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