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Conference Papers Year : 2023

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

Abstract

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 feasibility of our approach.
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Dates and versions

hal-04278136 , version 1 (09-11-2023)

Identifiers

  • HAL Id : hal-04278136 , version 1

Cite

David Alexis Córdova Morales, Ahmad Samer Wazan, David W. Chadwick, Romain Laborde, April Rains Reyes Maramara, et al.. ACME Protocol to Automate the Management of All X.509 Web Certificates. 38th International Conference on Information Security and Privacy Protection (IFIP SEC 2023), International Federation for Information Processing (IFIP); Poznan Supercomputing and Networking Center (PSNC), Jun 2023, Poznan, Poland. ⟨hal-04278136⟩
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