Random String Generator

Random String Generator code snippets

Get Random String Generator code snippets for PHP, JAVA, Python, C# and Visual Basic, just copy and paste the code in your project

function generateRandomString($length) {
    $bytes = random_bytes($length);
    return bin2hex($bytes);
}

import java.security.SecureRandom;

public class RandomStringGenerator {
    public static String generateRandomString(int length) {
        SecureRandom random = new SecureRandom();
        byte[] bytes = new byte[length];
        random.nextBytes(bytes);
        StringBuilder sb = new StringBuilder();
        for (byte b : bytes) {
            sb.append(String.format("%02x", b));
        }
        return sb.toString();
    }
}

import secrets

def generate_random_string(length):
    bytes = secrets.token_bytes(length)
    return bytes.hex()

using System;
using System.Security.Cryptography;

public class RandomStringGenerator
{
    public static string GenerateRandomString(int length)
    {
        byte[] bytes = new byte[length];
        using (RandomNumberGenerator rng = RandomNumberGenerator.Create())
        {
            rng.GetBytes(bytes);
        }
        return BitConverter.ToString(bytes).Replace("-", "").ToLower();
    }
}

Imports System.Security.Cryptography

Public Class RandomStringGenerator
    Public Shared Function GenerateRandomString(ByVal length As Integer) As String
        Dim bytes(length - 1) As Byte
        Using rng As RNGCryptoServiceProvider = New RNGCryptoServiceProvider()
            rng.GetBytes(bytes)
        End Using
        Dim sb As New System.Text.StringBuilder()
        For Each b As Byte In bytes
            sb.Append(b.ToString("x2"))
        Next
        Return sb.ToString()
    End Function
End Class

The generateRandomString($length) function is designed to create a random string of hexadecimal characters with a specified length. It utilizes a cryptographically secure random number generator to produce a sequence of random bytes equal to the specified length. These bytes are then converted into their hexadecimal representation, resulting in a string of alphanumeric characters ranging from 0 to 9 and a to f. This process ensures that the generated string is highly unpredictable and suitable for various applications requiring randomness, such as generating unique identifiers, cryptographic keys, or authentication tokens. Additionally, the function's reliance on secure random number generation techniques ensures that the generated strings possess a high degree of entropy, making them resistant to brute-force attacks and other forms of cryptographic analysis. Overall, the function provides a robust and efficient means of generating secure random strings for use in a wide range of software systems and applications.

Online Random String Generator

Random String Generator code snippets

Have a question? Send me a message !