Method for remote message attestation in a communication system

Details Method for remote message attestation in a communication system Method for remote message attestation in a communication system

2011-03-22

2011-03-22

Orgad, Edan (Department: 2439)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

Reexamination Certificate

active

07913086

ABSTRACT:
The invention relates to a method for remote attestation. In the method is created a first asymmetric key pair in a trusted platform module in an electronic device. A first public key and software platform state information are certified with an attestation identity key associated with the trusted platform module to produce a first certificate. A second asymmetric key pair is produced in an application within the electronic device. The second public key is certified with said first secret key to produce a second certificate. A message is signed with the second secret key to provide a message signature in the first electronic device. The message and the message signature, software platform state information, the first certificate and the second certificate are sent to a second electronic device.

REFERENCES:
patent: 7318235 (2008-01-01), Grawrock
patent: 2004/0193888 (2004-09-01), Wiseman et al.
patent: 2005/0251857 (2005-11-01), Schunter
patent: 2007/0101138 (2007-05-01), Camenisch
International Search Report, PCT/FI2008/050353 dated Sep. 29, 2008.
TCG; TCG Specification Architecture Overview; Mar. 28, 2007; Revision 1.3.

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