Tuesday, November 5, 2013

Information storage now possible through quantum ‘ sealed envelope’


Washington Information can now be encrypted and then decrypted with complete security using the combined power of quantum theory and relativity, according to a new study in quantum cryptography, says ANI. Researchers from the Cambridge's Department of Applied Mathematics and Theoretical Physics found that the system, which they described as a mathematical version of a securely sealed envelope, allows the sender to dictate the unveiling of coded information without any possibility of intrusion or manipulation.

According to the researchers, data is sent from one party to another, even with both parties in completely different countries, in a locked state that cannot be changed once sent and can only be revealed when the sender provides the key - with security guaranteed, even if either of the parties tries to cheat.

The researchers said that the invention is the first step towards impregnable information networks controlled by ' the combined power of Albert Einstein's relativity and quantum theory', which might one day, for example, revolutionise financial trading and other markets across the world.

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