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Re: Medical Records
It seems that they use signatures & hashes; nice work, a good
advance for medical records storage, but I'd ask how keys are managed,
and also what prevents me exploiting the 'hash-only' mode of sending
in what I'm cliaming to be is an emergency. (Not that these
invalidate the system; they're just interesting areas to work on.)
E. ALLEN SMITH wrote:
| "We have to make sure that the digital information and images are not
| altered accidentally or surreptitiously," Wong said. "In addition,
| x-rays and other imaging studies are part of the patient's medical
| record and must be protected from unauthorized access."
| The system uses mathematical formulas or codes to scramble the images
| through encryption. It involves a "two-key" system -- one code enables
| public access but a second, private code is required to unscramble the
| The private code, known only to the individual to whom the information
| is transmitted, is 1,024 computer bits long, Wong said.
| In emergencies where fast transmission is needed, the unscrambled
| image is transmitted with a digital "fingerprint," a smaller code that
| assures the intended viewer that no one has altered the original
"It is seldom that liberty of any kind is lost all at once."