Results 261 to 270 of about 14,292 (297)
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2020
This chapter considers the concept of revocation. Revocation is literally the action of ‘calling back’, in the sense of rescinding or annulling. It is a fundamental characteristic of wills that they are revocable wholly or partially at any time before a testator’s death. The chapter also considers topics related to revocation: alterations, revival, and
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This chapter considers the concept of revocation. Revocation is literally the action of ‘calling back’, in the sense of rescinding or annulling. It is a fundamental characteristic of wills that they are revocable wholly or partially at any time before a testator’s death. The chapter also considers topics related to revocation: alterations, revival, and
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Delegating Revocations and Authorizations
2008Delegation models based on role-based access control (RBAC) management have been known as flexible and efficient access management for data sharing on distributed environment. Delegation revocations are a significant functionality for the models in distributed environment when the delegated roles or permissions are required to get back.
Hua Wang 0002, Jinli Cao
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2009
A Trusted Platform Module (TPM) offers a number of basic security services which can be used to build complex trusted applications. One of the main functionalities of a TPM is the provision of a protected storage, including access management for cryptographic keys.
Stefan Katzenbeisser 0001 +2 more
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A Trusted Platform Module (TPM) offers a number of basic security services which can be used to build complex trusted applications. One of the main functionalities of a TPM is the provision of a protected storage, including access management for cryptographic keys.
Stefan Katzenbeisser 0001 +2 more
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Checking certificate revocation efficiently using certificate revocation guard
Journal of Information Security and Applications, 2019Abstract In the Public Key Infrastructure (PKI) model, digital certificates play a vital role in securing online communication. Communicating parties exchange and validate these certificates and the validation should fail if the certificate has been revoked.
Qinwen Hu +2 more
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Efficient revocable ID‐based encryption with cloud revocation server
International Journal of Communication Systems, 2017SummaryThe capability to efficiently revoke compromised/misbehaving users is important in identity‐based encryption (IBE) applications, as it is not a matter of if but of when that one or more users are compromised. Existing solutions generally require a trusted third party to update the private keys of nonrevoked users periodically, which impact on ...
Xiaoying Jia 0002 +3 more
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A model of certificate revocation
Proceedings 15th Annual Computer Security Applications Conference (ACSAC'99), 2003This paper presents a model for the distribution of revocation information using certificate revocation lists (CRLs). This model is used to highlight inefficiencies in the "traditional" method of distributing certificate status information using CRLs. Two alternative CRL-based revocation distribution mechanisms, over-issued CRLs and segmented CRLs, are
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On certificate revocation and validation
1998Cryptosystems need to check whether the certificates and digital signatures they are given are valid before accepting them. In addition to providing cryptographically secure validity information, certificate revocation systems must satisfy a variety of challenging technical requirements.
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A blockchain-based certificate revocation management and status verification system
Computers and Security, 2021Badis Hammi +2 more
exaly
Revocation in attribute-based encryption for fog-enabled internet of things: A systematic survey
Internet of Things (Netherlands), 2023Claudia Feregrino-Uribe +1 more
exaly