private static string CalculateChecksum(this FileInfo fileInfo, HashAlgorithm algorithm)
{
if (fileInfo == null)
{
throw new ArgumentNullException(nameof(fileInfo));
}
if (!fileInfo.Exists)
{
throw new FileNotFoundException(fileInfo.FullName);
}
using (FileStream stream = File.OpenRead(fileInfo.FullName))
return(stream.CalculateChecksum(algorithm));
}
public static string GetSHA256Sum(this FileStream fileStream)
{
using (SHA256Managed sha256 = new SHA256Managed())
return(fileStream.CalculateChecksum(sha256));
}
public static string GetMD5Sum(this FileStream fileStream)
{
using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
return(fileStream.CalculateChecksum(md5));
}
