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cs.CR2026
GuardSec: A Multi-Modal Web Platform for Real-Time Digital Fraud Detection, Entity Verification, and Connection Security Analysis in the African Context
Gilda Rech Bansimba, Regis Freguin Babindamana
Online fraud in Africa has reached an epidemic scale. The few cybersecurity tools that exist are out of reach for ordinary citizens, built almost exclusively for SOC analysts and t…
cs.CR2025
Approximating Euler Totient Function using Linear Regression on RSA moduli
Gilda Rech Bansimba, Regis F. Babindamana, Beni Blaug N. Ibara
The security of the RSA cryptosystem is based on the intractability of computing Euler's totient function phi(n) for large integers n. Although deriving phi(n) deterministically re…
cs.CR2023
A Continued Fraction-Hyperbola based Attack on RSA cryptosystem
Gilda Rech Bansimba, Regis Freguin Babindamana, Basile Guy R. Bossoto
In this paper we present new arithmetical and algebraic results following the work of Babindamana and al. on hyperbolas and describe in the new results an approach to attacking a R…