H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 9/30 (2006.01)
Patent
CA 2271178
A server-server public-key cryptography apparatus is disclosed for use in the computer facilities of central organizations, e.g. on-line service providers. The apparatus has two network connections of the type common to computer networks, used respectively for exclusively receiving input data and exclusively transmitting output data for some elementary private key computation (digital signature, public key decryption, secret key establishment primitive based on a public key algorithm). The secrecy of this private key is supported by a number of the present invention features. Among others, are provided the cryptographic key management operations needed to initially configure, operate, maintain, and re-install in the case of disaster recovery. In operations, the access to the elementary private key computation has to be restricted to those computer applications that are the legitimate users of the private key. The one-way input connection, the one-way output connection, and some features of the cryptographic key management operations are provided to secure this restricted access to the function performed by the secure computing device.
Connotech Experts-Conseils Inc.
Moreau Thierry
LandOfFree
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