Secure provisioning in an untrusted environment
Embodiments include methods for securely provisioning copies of an electronic circuit. A first entity embeds one or more secret values into copies of the circuit. A second entity: 1) embeds a trust anchor in a first copy of the circuit; 2) causes the circuit to generate a message signing key pair us...
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| creator | COVEY CARLIN R HARTLEY DAVID H ZIOLKOWSKI RODNEY D TKACIK THOMAS E CASE LAWRENCE L |
| description | Embodiments include methods for securely provisioning copies of an electronic circuit. A first entity embeds one or more secret values into copies of the circuit. A second entity: 1) embeds a trust anchor in a first copy of the circuit; 2) causes the circuit to generate a message signing key pair using the trust anchor and the embedded secret value(s); 3) signs provisioning code using a code signing private key; and 4) sends a corresponding code signing public key, the trust anchor, and the signed provisioning code to a third entity. The third entity embeds the trust anchor in a second copy of the circuit and causes the circuit to: 1) generate the message signing private key; 2) verify the signature of the signed provisioning code using the code signing public key; and 3) launch the provisioning code on the circuit. |
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| subjects | ADVERTISING CALCULATING CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS SEALS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | Secure provisioning in an untrusted environment |
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