Inter-pod credential exchange protocol via linked data notifications
- Author
- Jonas Steinbach, Gertjan De Mulder (UGent) , Ben De Meester (UGent) , Beatriz Gonçalves Crisóstomo Esteves (UGent) and Ruben Verborgh (UGent)
- Organization
- Project
- Abstract
- Solid is a set of specifications to describe a decentral Web protocol that enables Personal Data Spaces, empowering individuals to keep control of their personal data, stored in decentralized personal online data stores called Pods. Here, Verifiable Credentials (VC) are a type of data of particular interest, as they allow for cryptographically secure and verifiable digital credentials, which can be used for access and identity management, and also tie into different European Data strategy use cases. However, although the use of VCs within Solid is increasingly receiving attention, there exists no VC exchange protocol within Solid. More specifically, current applications need to rely on implicit agreements for both the transfer destination (i.e. the Web location where the VC should be sent to), and the data format of the messages exchanged. This forces stakeholders to invent their own credential transfer mechanisms, thereby hampering interoperability and adoption. In this paper, we present a VC exchange protocol between Solid Pods with explicit target destination and message format. We propose a working and interoperable protocol using DIDComm for structured messaging primitives in the form of JSON-headers and LDN inboxes as target destinations. LDN inboxes are interoperable with Solid and can be advertised via WebIDs, however, their setup and management of LDN inboxes is difficult, and reliance on WebIDs for inbox discovery might prevent interoperability between systems with different identifie
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-01J8HMJFSM2RH19XFP6YTR4P71
- MLA
- Steinbach, Jonas, et al. “Inter-Pod Credential Exchange Protocol via Linked Data Notifications.” SDS 2024 : Semantics in Dataspaces 2024 : Proceedings of the Second International Workshop on Semantics in Dataspaces (SDS 2024) Co-Located with the 21st Extended Semantic Web Conference (ESWC 2024), vol. 3705, 2024.
- APA
- Steinbach, J., De Mulder, G., De Meester, B., Gonçalves Crisóstomo Esteves, B., & Verborgh, R. (2024). Inter-pod credential exchange protocol via linked data notifications. SDS 2024 : Semantics in Dataspaces 2024 : Proceedings of the Second International Workshop on Semantics in Dataspaces (SDS 2024) Co-Located with the 21st Extended Semantic Web Conference (ESWC 2024), 3705.
- Chicago author-date
- Steinbach, Jonas, Gertjan De Mulder, Ben De Meester, Beatriz Gonçalves Crisóstomo Esteves, and Ruben Verborgh. 2024. “Inter-Pod Credential Exchange Protocol via Linked Data Notifications.” In SDS 2024 : Semantics in Dataspaces 2024 : Proceedings of the Second International Workshop on Semantics in Dataspaces (SDS 2024) Co-Located with the 21st Extended Semantic Web Conference (ESWC 2024). Vol. 3705.
- Chicago author-date (all authors)
- Steinbach, Jonas, Gertjan De Mulder, Ben De Meester, Beatriz Gonçalves Crisóstomo Esteves, and Ruben Verborgh. 2024. “Inter-Pod Credential Exchange Protocol via Linked Data Notifications.” In SDS 2024 : Semantics in Dataspaces 2024 : Proceedings of the Second International Workshop on Semantics in Dataspaces (SDS 2024) Co-Located with the 21st Extended Semantic Web Conference (ESWC 2024). Vol. 3705.
- Vancouver
- 1.Steinbach J, De Mulder G, De Meester B, Gonçalves Crisóstomo Esteves B, Verborgh R. Inter-pod credential exchange protocol via linked data notifications. In: SDS 2024 : Semantics in Dataspaces 2024 : Proceedings of the Second International Workshop on Semantics in Dataspaces (SDS 2024) co-located with the 21st Extended Semantic Web Conference (ESWC 2024). 2024.
- IEEE
- [1]J. Steinbach, G. De Mulder, B. De Meester, B. Gonçalves Crisóstomo Esteves, and R. Verborgh, “Inter-pod credential exchange protocol via linked data notifications,” in SDS 2024 : Semantics in Dataspaces 2024 : Proceedings of the Second International Workshop on Semantics in Dataspaces (SDS 2024) co-located with the 21st Extended Semantic Web Conference (ESWC 2024), Hersonissos, Greece, 2024, vol. 3705.
@inproceedings{01J8HMJFSM2RH19XFP6YTR4P71,
abstract = {{Solid is a set of specifications to describe a decentral Web protocol that enables Personal Data Spaces,
empowering individuals to keep control of their personal data, stored in decentralized personal online
data stores called Pods. Here, Verifiable Credentials (VC) are a type of data of particular interest, as they
allow for cryptographically secure and verifiable digital credentials, which can be used for access and
identity management, and also tie into different European Data strategy use cases. However, although
the use of VCs within Solid is increasingly receiving attention, there exists no VC exchange protocol
within Solid. More specifically, current applications need to rely on implicit agreements for both the
transfer destination (i.e. the Web location where the VC should be sent to), and the data format of
the messages exchanged. This forces stakeholders to invent their own credential transfer mechanisms,
thereby hampering interoperability and adoption. In this paper, we present a VC exchange protocol
between Solid Pods with explicit target destination and message format. We propose a working and
interoperable protocol using DIDComm for structured messaging primitives in the form of JSON-headers
and LDN inboxes as target destinations. LDN inboxes are interoperable with Solid and can be advertised
via WebIDs, however, their setup and management of LDN inboxes is difficult, and reliance on WebIDs
for inbox discovery might prevent interoperability between systems with different identifie}},
author = {{Steinbach, Jonas and De Mulder, Gertjan and De Meester, Ben and Gonçalves Crisóstomo Esteves, Beatriz and Verborgh, Ruben}},
booktitle = {{SDS 2024 : Semantics in Dataspaces 2024 : Proceedings of the Second International Workshop on Semantics in Dataspaces (SDS 2024) co-located with the 21st Extended Semantic Web Conference (ESWC 2024)}},
issn = {{1613-0073}},
language = {{eng}},
location = {{Hersonissos, Greece}},
pages = {{9}},
title = {{Inter-pod credential exchange protocol via linked data notifications}},
url = {{https://ceur-ws.org/Vol-3705/}},
volume = {{3705}},
year = {{2024}},
}