Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2005-07-05
2005-07-05
Barrón, Gilberto (Department: 2132)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S155000, C713S156000, C713S157000, C713S176000, C380S282000
Reexamination Certificate
active
06915430
ABSTRACT:
Information of a device that generates digital signatures is reliably identified by (a) for each of a plurality of devices manufactured in an environment, (i) creating a public-private key pair within the environment, (ii) linking within the environment in a secure manner the public key with other information associated with the device, and (iii) before release of the device from the environment, storing the private key within the device for generating a digital signature for an electronic message, and (b) thereafter, when a said linked public key successfully authenticates a digitally signed message, identifying the other information associated with said linked public key as pertaining to the device to which belongs the private key utilized in digitally signing the message. Manufacturing the devices includes creating a public-private key pair within the secure environment, and storing the private key within the device against the possibility of divulgement thereof by the device.
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Wheeler Anne M.
Wheeler Lynn Henry
Barrón Gilberto
First Data Corporation
Morris Manning & Martin
LandOfFree
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