How to generate cryptographically random numbers?
Let’s learn how to generate cryptographically random numbers. The most accurate or helpful solution is served by Stack Overflow.
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Possible Duplicate: Secure random number generation in PHP We need to generate a cryptographically random string to use as an authentication token, which will be tied to session data in the database. We are using PHP, which doesn't appear to have a suitable random number generator built-in. How can we generate a cryptographically secure random string of N length using php? Also note, due to the nature of our application, shell_exec is off the table.
Answer:
what about uniqid? docs have an example of how it can be used for cookies/sessions.
Travis at Stack Overflow Mark as irrelevant Undo
Other solutions
I'm trying to generate better random numbers in JavaScript with min/max value, since this is a web game, the random function might be in use hundreds of times (or more) a second, i have noticed that using Math.random() won't give the best results. So...
Answer:
var rand3 = 0.3*rand2+0.3 Will give you random number between 0.3 and 0.6, assuming rand2 is random...
Jerzy MichaÅ Pawlak at Quora Mark as irrelevant Undo
I just need to make two different random numbers that are not the same all the time. i have two different random number generators but they always generate the same number so there is never any variance between the player points, which is what i need...
Answer:
Without providing a seed value you will always get the same sequence of numbers when calling next()...
Sgt at Yahoo! Answers Mark as irrelevant Undo
I want to know how can we generate a list of different random numbers in c. is there any function in c which can automaticaaly generate a list of different random numbers . plz help me.
Answer:
#include <stdio.h> #include <stdlib.h> #include <time.h> int main (int argc, char...
monal r at Yahoo! Answers Mark as irrelevant Undo
I'm trying to write a program where the user enters a number and the program will generate that many random numbers. For example the user enters 5 and the program shows 1,9,5,7,6. I have so far: Scanner input = new Scanner(System.in); System.out.print...
Answer:
use a "for" loop. in each loop, generate a random number, and display it to the screen. gl...
Jay-R R at Yahoo! Answers Mark as irrelevant Undo
ok so i took a vb class and they gave an example. They somehow declared (something) as new random and then like i could put into my code: "(integer) = (something).next(#, #)" and it would generate a random number between # and #. right now...
Jake at Yahoo! Answers Mark as irrelevant Undo
I recently got a Mac and i want to make terminal generate random numbers. On windows all you would do is create a .bat file at put @echo off :H echo %random% %random% etc... goto H And you would save it as a .bat file Is there anyway to do that on a...
Walt at Yahoo! Answers Mark as irrelevant Undo
How can a function defined in a programming language generate a random number? If there is an algorithm defining that function, then the number generated cannot be truly random. Right? The answer need not have many technical details, just the logic behind...
Answer:
It is impossible for the computer to generate truly random numbers. What are typically generated are...
Prasham Rambhia at Quora Mark as irrelevant Undo
I want to generate 10 numbers between 1 and 20, there can be duplicate values. I have tried using: Random RandomNo = new Random(); No1 = RandomNum1.Next(20); No1 = RandomNum2.Next(20); No1 = RandomNum3.Next(20); ...................etc I always get the...
Pad at Yahoo! Answers Mark as irrelevant Undo
i mean, i want to insert some specific numbers in a list, then generate a random number from that list. how to do that??please help with the coding!!thnks!!
Answer:
I can't help you with the coding. It's been years since I did anything with VB. But try entering the...
NayaMee at Yahoo! Answers Mark as irrelevant Undo
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