Introducing Post-Quantum algorithms in Open RAN interfaces
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866917894970933248 |
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| author | Otero-García, Pedro Fernández-Vilas, Ana Fernández-Veiga, Manuel |
| author_facet | Otero-García, Pedro Fernández-Vilas, Ana Fernández-Veiga, Manuel |
| contents | Nowadays, 5G architecture is characterized by the use of monolithic hardware, where the configuration of its elements is completely proprietary for each manufacturer. In recent years, as an alternative to this centralized architecture, a new model has emerged: the Open Radio Access Network (Open RAN). One of its main features has been the split of the Base Band Unit (BBU) into new simpler hardware with more specific functions approaching to a more modular model. As a consequence of this split, new interfaces appeared to connect these components that need to be protected. With the developments in the field of quantum computing, traditional protection mechanisms for this kind of interfaces may be deprecated in the near future. This security issue motivates this paper, which aims to study how to integrate post-quantum cryptography (PQC) mechanisms to current security standards, such as IPsec and MACsec. In addition, the proposal is also put into practice to compare the performance of traditional mechanisms with PQC implementations. This research shows that the new implementation does not reduce the performance of the aforementioned standards, while the security is reinforced against quantum attacks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_10060 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Introducing Post-Quantum algorithms in Open RAN interfaces Otero-García, Pedro Fernández-Vilas, Ana Fernández-Veiga, Manuel Cryptography and Security Nowadays, 5G architecture is characterized by the use of monolithic hardware, where the configuration of its elements is completely proprietary for each manufacturer. In recent years, as an alternative to this centralized architecture, a new model has emerged: the Open Radio Access Network (Open RAN). One of its main features has been the split of the Base Band Unit (BBU) into new simpler hardware with more specific functions approaching to a more modular model. As a consequence of this split, new interfaces appeared to connect these components that need to be protected. With the developments in the field of quantum computing, traditional protection mechanisms for this kind of interfaces may be deprecated in the near future. This security issue motivates this paper, which aims to study how to integrate post-quantum cryptography (PQC) mechanisms to current security standards, such as IPsec and MACsec. In addition, the proposal is also put into practice to compare the performance of traditional mechanisms with PQC implementations. This research shows that the new implementation does not reduce the performance of the aforementioned standards, while the security is reinforced against quantum attacks. |
| title | Introducing Post-Quantum algorithms in Open RAN interfaces |
| topic | Cryptography and Security |
| url | https://arxiv.org/abs/2501.10060 |