The American Solution of a German One-Time-Pad Cryptographic System (G-Otp)

Phillips, Cecil

doi:10.1080/01611190008984249

Cited by 4 publications

(1 citation statement)

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“…We present a simple masking technique that we call masking with one-time pads, or Motp for short. Motp is similar to the encryption one-time pad (OTP) [41] and that of [8], [54], [17].…”

Section: Masking With One-time Padsmentioning

confidence: 99%

SVFL: Efficient Secure Aggregation and Verification for Cross-Silo Federated Learning

Luo

Al-Kuwari

Ding

2024

IEEE Trans. on Mobile Comput.

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Cross-silo federated learning (FL) allows organizations to collaboratively train machine learning (ML) models by sending their local gradients to a server for aggregation, without having to disclose their data. The main security issues in FL, that is, the privacy of the gradient and the trained model, and the correctness verification of the aggregated gradient, are gaining increasing attention from industry and academia. A popular approach to protect the privacy of the gradient and the trained model is for each client to mask their own gradients using additively homomorphic encryption (HE). However, this leads to significant computation and communication overhead. On the other hand, to verify the aggregated gradient, verifiable FL that requires the server to provide a verifiable aggregated gradient was proposed. However, existing verifiable FL protocols perform poorly in computation and communication.In this paper, we propose SVFL, an efficient protocol for cross-silo FL, that supports both secure gradient aggregation and verification. We first replace the heavy HE operations with a simple masking technique. Then, we design an efficient verification mechanism that achieves the correctness verification of the aggregated gradient. We evaluate the performance of SVFL and show, by complexity analysis and experimental evaluations, that its computation and communication overhead remain low even on large datasets, with a negligible accuracy loss (less than 1%). Furthermore, we conduct an experimental comparison between SVFL and other existing FL protocols, and show that SVFL achieves significant efficiency improvements in both computation and communication.

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“…We present a simple masking technique that we call masking with one-time pads, or Motp for short. Motp is similar to the encryption one-time pad (OTP) [41] and that of [8], [54], [17].…”

Section: Masking With One-time Padsmentioning

confidence: 99%