public static string FromString(string content)
{
string result = null;
using (SHA256 sha = SHA256.Create())
using (BytesConverter bc = new BytesConverter())
{
result = bc.ToHexString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes(content)));
sha.Clear();
}
return(result);
}
public static string FromContent(byte[] content, int offset, int count)
{
string result = null;
using (SHA256 sha = SHA256.Create())
using (BytesConverter bc = new BytesConverter())
{
result = bc.ToHexString(sha.ComputeHash(content, offset, count));
sha.Clear();
}
return(result);
}
public static string FromStream(Stream contentStream)
{
string result = null;
using (SHA256 sha = SHA256.Create())
using (BytesConverter bc = new BytesConverter())
{
result = bc.ToHexString(sha.ComputeHash(contentStream));
sha.Clear();
}
return(result);
}
public static string FromString(TextReader contentReader)
{
string result = null;
using (MD5 sha = MD5.Create())
using (BytesConverter bc = new BytesConverter())
{
result = bc.ToHexString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes(contentReader.ReadToEnd())));
sha.Clear();
}
return(result);
}
public static string FromContent(byte[] content)
{
string result = null;
using (MD5 sha = MD5.Create())
using (BytesConverter bc = new BytesConverter())
{
result = bc.ToHexString(sha.ComputeHash(content));
sha.Clear();
}
return(result);
}
public static string FromFile(string path, int buffersize)
{
string result = null;
using (SHA256 sha = SHA256.Create())
using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, buffersize))
using (BytesConverter bc = new BytesConverter())
{
result = bc.ToHexString(sha.ComputeHash(fs));
sha.Clear();
}
return(result);
}
