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Author

Shamik Sural

2 papers indexed here

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Conference Sep 2026

RAPTOR: Role-Based Access Policy Tooling for Operating Robots

Secure ROS 2 (SROS2) provides cryptographic authentication and access control for ROS 2 deployments, but requires administrators to manually author per-node permission XML with no support for roles, inheritance, or visual audit. This flat, per-enclave model is systematically error-prone: a static scan of 124 public SRO...

K. T. Selvam, Shamik Sural · 0 citations
Preprint Oct 2026

Cross-chain Access Control for Permissioned Blockchain Interoperation

As enterprise blockchains become increasingly interconnected, access control must extend beyond the boundaries of a single network. Existing approaches mainly focus on controlling access within one blockchain, while cross-chain interactions involve multiple networks that may follow different access-control policies and...

Tirthankar Sengupta, B. Ghosh, Sandip Chakraborty et al. · 0 citations

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