In this work we demonstrate various weaknesses of the random number generator (RNG) in the OpenSSL cryptographic library. We show how OpenSSL’s RNG, knowingly in a low entropy state, potentially leaks low entropy secrets in its output, which were never intentionally fed to the RNG by client code, thus posing vulnerabilities even when in the given usage scenario the low entropy state is respecte...

A time signal prediction algorithm based on Relative Neighborhood Graph (RNG) localized FIR filters is defined. The RNG connects two nodes, of input space dimension D, if their lune does not contain any other node:. The FIR filters associated with the nodes, are used for local approximation of the training vectors belonging to the lunes formed by the nodes. The predictor training is carried out...

To investigate the different influencing characteristics of local scour around submarine pipelines, hydrodynamic and sediment transport two-dimensional models based on Flow-3D are used to numerically simulate pipeline under steady currents. An RNG k-ε turbulence model is applied turbulent flow field pipeline. The instantaneous shear stress bed surface taken as starting transporting conditions s...

Fractal injectors can be used to intensify liquid-phase processes. The flow field, vortex structure and turbulent mixing performance induced by fractal with three different dimensions (D = 2, 2.58 3) are investigated. CFD simulations, using a renormalization group (RNG) k-ε turbulence model, validated particle image velocimetry (PIV) measurements. formation mechanism of the vortices studied. Bo...

We give a nonstandard variant of Jordan’s proof of the Jordan curve theorem which is free of the defects his contemporaries criticized and avoids the epsilontic burden of the classical proof. The proof is selfcontained, except for the Jordan theorem for polygons taken for granted.

Microsoft attempted to implement theWichmann–Hill RNG in Excel 2003 and failed; it did not just produce numbers between zero andunity, itwould also produce negative numbers. Microsoft issued a patch that allegedly fixed the problem so that the patched Excel 2003 and Excel 2007 now implement the Wichmann–Hill RNG, as least according to Microsoft. We show thatwhatever RNG it is thatMicrosoft has ...

In order to study the influence of ventilating cavitation flow at shoulder a submerged-launched vehicle on surface hydrodynamic characteristics, three-dimensional potential model for ventilation was established based homogeneous multiphase theory, standard RNG k- ε model, Singhal and overlapping grid technology, numerical simulation unsteady evolution process ventilated carried out, morphology ...