Wt  4.0.2
Static Public Member Functions | List of all members
Wt::WRandom Class Reference

Random number generator. More...

#include <Wt/WRandom.h>

Static Public Member Functions

static unsigned int get ()
 Returns a random number. More...
static std::string generateId (int length=16)
 A utility method to generate a random id. More...

Detailed Description

Random number generator.

If an implementation is available for your OS, this class generates high-entropy random numbers, suitable for secret ids (e.g. this is used to generate Wt's session IDs).

Member Function Documentation

std::string Wt::WRandom::generateId ( int  length = 16)

A utility method to generate a random id.

The id is composed of small and capitalized roman characters and numbers [a-zA-Z0-9].

See also
unsigned int Wt::WRandom::get ( )

Returns a random number.

This returns a high-entropy (non deterministic) random number on platforms for which this is supported (currently only Linux, Windows and MacOS X).

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