# November 25, 2000 #### Security for the global Internet

Introduction In this article I’ll move away from COM security to provide an overview about that vast subject generally referred as “Internet security”. As you will see, providing an effective #### TransposeMatrix – Rotate a bi-dimensional array

‘ evaluate the transposed matrix” a transposed matrix is the array you get when’ you “rotate” a bi-dimensional arrayFunction TransposeMatrix(arr() As Double) As Double() Dim startRow As Long, startCol As #### Crc16 – Evaluate the 16-bit CRC of an array of bytes

Option Explicit’ Evalutate the 16-bit CRC (Cyclic Redundancy Checksum) of an array of bytes” If you omit the second argument, the entire array is consideredFunction Crc16(cp() As Byte, Optional ByVal #### NormRand – Produce random numbers with normal distribution

‘ VBA’s intrinsic Rnd function returns numbers evenly’ distributed between 0 and 1. Each number in that’ interval has equal probability of being returned’ for any given function call.’ This #### DecToFrac – Converts a decimal number into a fraction

‘ Converts a decimal value into fractional parts as integers’ (based on the concept of Continued Fractions)’ Examples of usage:’ Call DeclToFrac(0.125, a, b) ‘ 1 and 8 are returned