public static async Task <string> GenerateChecksumAsync(HashingAlgoTypes hashingAlgo, string filename)
{
using (var hasher = HashAlgorithm.Create(hashingAlgo.ToString()))
{
using (FileStream stream = File.OpenRead(filename))
{
byte[] hash = hasher.ComputeHash(stream);
return(BitConverter.ToString(hash).Replace("-", ""));
}
}
}
//True is good
public static async Task <bool> VerifyChecksumAsync(HashingAlgoTypes hashingAlgo, string checksum, string filename)
{
//Hasher is disposeble
using (var hasher = HashAlgorithm.Create(hashingAlgo.ToString()))
{
using (FileStream stream = File.OpenRead(filename))
{
string hash = BitConverter.ToString(hasher.ComputeHash(stream)).Replace("-", "");
if (hash == checksum)
{
return(true);
}
else
{
return(false);
}
}
}
}
