CRYPTOGRAPHIC METHODS AND SYSTEMS USING BLINDED ACTIVATION CODES FOR DIGITAL CERTIFICATE REVOCATION

CRYPTOGRAPHIC METHODS AND SYSTEMS USING BLINDED ACTIVATION CODES FOR DIGITAL CERTIFICATE REVOCATION

To revoke a digital certificate (160p), activation of the digital certificate is blocked by withholding an activation code from the certificate user (110). The certificates are generated by a plurality of entities (210, 220, 838) in a robust process that preserves user privacy (e.g. anonymity) even...

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Bibliographische Detailangaben
Hauptverfasser: COMINETTI, Eduardo Lopes, RICARDINI, Jefferson E, SIMPLICIO, JR., Marcos A, KUPWADE PATIL, Harsh, SILVA, Marcos Vinicius M
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Zusammenfassung:To revoke a digital certificate (160p), activation of the digital certificate is blocked by withholding an activation code from the certificate user (110). The certificates are generated by a plurality of entities (210, 220, 838) in a robust process that preserves user privacy (e.g. anonymity) even in case of collusion of some of the entities. The process is suitable for connected vehicles, e.g. as an improvement for Security Credential Management System (SCMS).