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Ensuring accountability in digital forensics with proxy re-encryption based chain of custody
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Journal Article
Ensuring accountability in digital forensics with proxy re-encryption based chain of custody
2024
Overview
In the realm of digital forensics, the establishment of robust standards for maintaining the integrity of digital evidence is of paramount importance. Addressing this concern, this study introduces a cutting-edge solution known as Identity-based Proxy Re-Encryption Chain of Custody (IR-PER-CoC). This novel protocol significantly enhances the chain of custody in digital forensics by safeguarding the secure transmission of encrypted evidence from the delegator to the delegatee through a process of re-encryption. Leveraging the power of bilinear pairing cryptography, the protocol incorporates a suite of security measures, ensuring its resilience against adaptively chosen identity and chosen plaintext attacks (IND-ID-PRE-CoC-CPA) under the Decisional Bilinear Diffie–Hellman (DBDH) assumption. To fortify its security posture further, extensive simulations within the AVISPA framework validate the protocol’s robustness, demonstrating its capacity to withstand attacks, as assessed by both the OFMC and Cl-AtSe models. Moreover, empirical evaluations affirm the protocol’s superiority over existing methods, underlining its efficacy in the management of the Chain of Custody in digital forensics. These compelling outcomes collectively establish the IR-PER-CoC protocol as a technologically advanced and practical solution for bolstering the integrity of digital evidence and the overall security of digital forensics investigations.
Publisher
Springer Nature Singapore,Springer Nature B.V
