Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1994-06-21
1996-11-26
Gregory, Bernarr E.
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 4, 380 23, 380 24, 380 49, 380 50, 36441301, 36441302, 36441313, 36441328, H04L 900
Patent
active
055793932
ABSTRACT:
A system for secure medical and dental record interchange comprises a provider system and a payer system. The provider system includes a digital imager, a processing unit, a data transmission/reception device, and a memory having a provider management unit and a security unit. For each image acquired from the digital imager, the provider management unit generates a unique image ID, and creates an image relation structure having a source indicator, a status indicator, and a copy-from indicator. The provider management unit organizes images into a message for transmission to a payer system. The security unit performs message encryption, image signature generation, and message signature generation. The payer system includes a processing unit, a data transmission/reception device, and a memory having a payer management unit and a security unit. The payer system's security unit validates message signatures and image signatures received. The payer management unit generates a message rejection notification or a message acceptance notification. A method for provider-side secure medical and dental record interchange comprises the steps of: acquiring an image; generating a unique image ID and an image relation structure; maintaining a status indicator, a source indicator, and a copy-from indicator; generating an image signature; creating a message that includes the image; and generating a message signature. A method for payer-side secure medical and dental record interchange comprises the steps of: validating a message signature; validating an image signature; and selectively generating a message acceptance notification or a message rejection notification.
REFERENCES:
patent: 4907274 (1990-03-01), Nomura et al.
patent: 5319543 (1994-06-01), Wilhelm
"Answers to Frequently Asked Questions About Today's Cryptography"; (Rev. 2.0; RSA Data Security, Inc; Oct. 5, 1993); no author named.
Conner Guy
Schmier Larry
EScan, Inc.
Gregory Bernarr E.
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