internal static SumResult CalculateSums(string file)
{
SumResult result = new SumResult();
try
{
if (File.Exists(file))
{
result.File = file;
if (Options.CurrentOptions.HashOptions.MD5)
{
using (FileStream fs = File.OpenRead(file))
{
using (var md5 = new MD5CryptoServiceProvider())
{
result.MD5 = BitConverter.ToString(md5.ComputeHash(fs)).Replace("-", string.Empty);
}
}
}
if (Options.CurrentOptions.HashOptions.SHA1)
{
using (FileStream fs = File.OpenRead(file))
{
using (var sha1 = new SHA1CryptoServiceProvider())
{
result.SHA1 = BitConverter.ToString(sha1.ComputeHash(fs)).Replace("-", string.Empty);
}
}
}
if (Options.CurrentOptions.HashOptions.SHA256)
{
using (FileStream fs = File.OpenRead(file))
{
using (var sha256 = new SHA256CryptoServiceProvider())
{
result.SHA256 = BitConverter.ToString(sha256.ComputeHash(fs)).Replace("-", string.Empty);
}
}
}
if (Options.CurrentOptions.HashOptions.SHA384)
{
using (FileStream fs = File.OpenRead(file))
{
using (var sha384 = new SHA384CryptoServiceProvider())
{
result.SHA384 = BitConverter.ToString(sha384.ComputeHash(fs)).Replace("-", string.Empty);
}
}
}
if (Options.CurrentOptions.HashOptions.SHA512)
{
using (FileStream fs = File.OpenRead(file))
{
using (var sha512 = new SHA512CryptoServiceProvider())
{
result.SHA512 = BitConverter.ToString(sha512.ComputeHash(fs)).Replace("-", string.Empty);
}
}
}
if (Options.CurrentOptions.HashOptions.CRC32)
{
using (FileStream fs = File.OpenRead(file))
{
using (var crc32 = new Crc32Algorithm())
{
result.CRC32 = BitConverter.ToString(crc32.ComputeHash(fs)).Replace("-", string.Empty);
if (Options.CurrentOptions.CRC32Decimal)
{
result.CRC32 = Convert.ToInt64(result.CRC32, 16).ToString();
}
}
}
}
if (Options.CurrentOptions.HashOptions.RIPEMD160)
{
using (FileStream fs = File.OpenRead(file))
{
using (var ripemd160 = RIPEMD160.Create())
{
result.RIPEMD160 = BitConverter.ToString(ripemd160.ComputeHash(fs)).Replace("-", string.Empty);
}
}
}
if (Options.CurrentOptions.HashOptions.SHA3_256)
{
using (FileStream fs = File.OpenRead(file))
{
using (var h = Sha3.Sha3256())
{
result.SHA3_256 = BitConverter.ToString(h.ComputeHash(fs)).Replace("-", string.Empty);
}
}
}
if (Options.CurrentOptions.HashOptions.SHA3_384)
{
using (FileStream fs = File.OpenRead(file))
{
using (var h = Sha3.Sha3384())
{
result.SHA3_384 = BitConverter.ToString(h.ComputeHash(fs)).Replace("-", string.Empty);
}
}
}
if (Options.CurrentOptions.HashOptions.SHA3_512)
{
using (FileStream fs = File.OpenRead(file))
{
using (var h = Sha3.Sha3512())
{
result.SHA3_512 = BitConverter.ToString(h.ComputeHash(fs)).Replace("-", string.Empty);
}
}
}
}
}
catch (Exception ex)
{
result = null;
MessageBox.Show(ex.Message, "Hash Error", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (Options.CurrentOptions.LowerCasing)
{
result.ConvertToLowerCasing();
}
else
{
result.ConvertToUpperCasing();
}
return(result);
}