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For this function to work you need to add using System.Security.Cryptography; to your project.
You can easily change 512 to 1/256/384 to match the size you need. The method below return a 512 bit hash with the SHA algorithm.


public static string generateSHA512(byte[] data)
{
byte[] result;

SHA512 hash = new SHA512Managed();
result = hash.ComputeHash(data);

System.Text.ASCIIEncoding encode = new System.Text.ASCIIEncoding();
return encode.GetString(result);
}