ES2158081T3

Cryptographic system and method with key escrow feature

Abstract

THE INVENTION PROVIDES A CRYPTOGRAPHIC SYSTEM AND A METHOD WITH A KEY PLICA CHARACTERISTICS THAT USES A METHOD TO VERIFY VERIFYABLE THE PRIVATE ENCRYPTION KEYS OF USERS IN COMPONENTS AND TO SEND THOSE COMPONENTS TO USERS AND SUPPLIES A SYSTEM THAT USES A CERTIFIED MANAGEMENT OF PUBLIC KEYS REINFORCED BY A CHIP DEVICE THAT ALSO EFFECTS A SELF-CERTIFICATION. IN A PREFERRED CONFORMATION OF THE INVENTION THE ENCRYPTED OR DESCRIBED CHIP ONLY IF CERTAIN CONDITIONS ARE NOMINALLY FULFILLED, 1) IF A VALID "SENDER CERTIFICATE" AND A "VALID RECEIVER CERTIFICATE" WHERE "VALID" MEANS PRIVATE USER PRIVATE UNCRYPTION KEY IS PROBABLY APPLIED WITH A SPECIFIC NUMBER OF PLICA AGENTS AND THAT THE MASTER PLICA CENTER IS REGISTERED AND CERTIFIED BY THE CHIP MANUFACTURER, AND 2) IF A VALID MESSAGE CONTROL HEAD IS GENERATED BY THE SENDER AND VALIDATED BY THE RECEIVER, GIVING SUFFICIENT INFORMATION FROM RESEARCHERS UPDATED WITH WHICH TO REQUEST AND OBTAIN THE HIDDEN KEYS. AN ADDITIONAL PREFERRED CONFORMATION OF THE INVENTION PROVIDES A METHOD FOR GENERATING VERIFICABLE TRUST COMMUNICATIONS BETWEEN A PLURALITY OF USERS, THAT UNDERSTANDS THE STEPS OF HIDING IN A CONFIDENCE PLICA CENTER A PLURALITY OF KEY CRYPTOGRAPHICS USED TO BE USED BY ONE; VERIFY EACH OF THE KEY PLURALITY IN THE CENTER OF PLICAS; CERTIFY THE AUTHORIZATION OF EACH ONE OF THE PLURALITY OF KEYS AFTER THE VERIFICATION; AND START A COMMUNICATION BETWEEN EACH OF THE PLURALITY OF USERS USING A KEY RESPECTING THE PLURALITY OF KEYS AFTER THE CERTIFICATION.

ES2158081T3, drawing sheet 1
Sheet 1 of 28

Term

Term ended

Projected expiry passed 13 January 2015, 11.7 years ago.

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28 sheets

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