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Key Attestation from Trusted Execution Environments

Kostiainen, Kari ; Dmitrienko, Alexandra ; Ekberg, Jan-Erik ; Sadeghi, Ahmad-Reza ; Asokan, N. :
Key Attestation from Trusted Execution Environments.
TRUST 2010: Proceedings of the 3rd International Conference on Trust and Trustworthy Computing
[Konferenz- oder Workshop-Beitrag], (2010)

Kurzbeschreibung (Abstract)

Credential platforms implemented on top of Trusted Execution Environments (TrEEs) allow users to store and use their credentials, e.g., cryptographic keys or user passwords, securely. One important requirement for a TrEE-based credential platform is the ability to attest that a credential has been created and is kept within the TrEE. Credential properties, such as usage permissions, should be also attested. Existing attestation mechanisms are limited to attesting which applications outside the TrEE are authorized to use the credential. In this paper we describe a novel key attestation mechanism that allows attestation of both TrEE internal and external key usage permissions. We have implemented this attestation mechanism for mobile phones with M-Shield TrEE.

Typ des Eintrags: Konferenz- oder Workshop-Beitrag (Keine Angabe)
Erschienen: 2010
Autor(en): Kostiainen, Kari ; Dmitrienko, Alexandra ; Ekberg, Jan-Erik ; Sadeghi, Ahmad-Reza ; Asokan, N.
Titel: Key Attestation from Trusted Execution Environments
Sprache: Deutsch
Kurzbeschreibung (Abstract):

Credential platforms implemented on top of Trusted Execution Environments (TrEEs) allow users to store and use their credentials, e.g., cryptographic keys or user passwords, securely. One important requirement for a TrEE-based credential platform is the ability to attest that a credential has been created and is kept within the TrEE. Credential properties, such as usage permissions, should be also attested. Existing attestation mechanisms are limited to attesting which applications outside the TrEE are authorized to use the credential. In this paper we describe a novel key attestation mechanism that allows attestation of both TrEE internal and external key usage permissions. We have implemented this attestation mechanism for mobile phones with M-Shield TrEE.

Buchtitel: TRUST 2010: Proceedings of the 3rd International Conference on Trust and Trustworthy Computing
Freie Schlagworte: Secure Things
Fachbereich(e)/-gebiet(e): 20 Fachbereich Informatik
20 Fachbereich Informatik > Systemsicherheit
LOEWE
LOEWE > LOEWE-Zentren
LOEWE > LOEWE-Zentren > CASED – Center for Advanced Security Research Darmstadt
Veranstaltungsort: Berlin
Hinterlegungsdatum: 10 Mär 2016 10:18
ID-Nummer: KDESA2010
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