Compute a SHA 256 hash using C#

CSharp · Console

/Program.cs

using System;
using System.Text;
using System.Security.Cryptography;
					
public class Program
{
	public static void Main()
	{
		// input, plain text here
		string plainText = "Technology crowds";
        string hashedData = ComputeStringToSha256Hash(plainText);
		
		// Ouput of plaintext to Sha256Hash 
		Console.WriteLine(string.Format("The SHA256 hash of {0} is: {1}",plainText,hashedData));

	}
	
	static string ComputeStringToSha256Hash(string plainText)
        {
            // Create a SHA256 hash from string   
            using (SHA256 sha256Hash = SHA256.Create())
            {
                // Computing Hash - returns here byte array
                byte[] bytes = sha256Hash.ComputeHash(Encoding.UTF8.GetBytes(plainText));

                // now convert byte array to a string   
                StringBuilder stringbuilder = new StringBuilder();
                for (int i = 0; i < bytes.Length; i++)
                {
                    stringbuilder.Append(bytes[i].ToString("x2"));
                }
                return stringbuilder.ToString();
            }
        }
}