Communication Dans Un Congrès Année : 2024

Enhancing the ACME Protocol to Automate the Management of All X.509 Web Certificates

Résumé

X.509 Public Key Infrastructures (PKIs) are widely used for managing X.509 Public Key Certificates (PKCs) to allow for secure communications and authentication on the Internet. PKCs are issued by a trusted third-party Certification Authority (CA), which is responsible for verifying the certificate requester’s information. Recent developments in web PKI show a high proliferation of Domain Validated (DV) certificates but a decline in Extended Validated (EV) certificates, indicating poor authentication of the entities behind web services. The ACME protocol facilitates the deployment of Web Certificates by automating their management. However, it is only limited to DV certificates. This paper proposes an enhancement to the ACME protocol for automating all types of Web X.509 PKCs by using W3C Verifiable Credentials (VCs) to assert a requester’s claims. We argue that any CA’s requirements for issuing a PKC can be expressed as a set of VCs, returned in a Verifiable Presentation (VP). We propose a generic communication workflow to request and present VPs, and provide proof-of-concept of the viability of our approach.

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Dates et versions

hal-04953440 , version 1 (18-02-2025)

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David Alexis Córdova Morales, Ahmad Samer Wazan, David W. Chadwick, Romain Laborde, April Maramara, et al.. Enhancing the ACME Protocol to Automate the Management of All X.509 Web Certificates. 38th IFIP International Conference on ICT Systems Security and Privacy Protection (SEC), Jun 2023, Poznan, Poland. pp.265-278, ⟨10.1007/978-3-031-56326-3_19⟩. ⟨hal-04953440⟩
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