return p.Reader.Size()
}

// MD5CurrentHexString returns the current MD5Sum or encrypted MD5Sum
// as a hex encoded string
func (p *PutObjReader) MD5CurrentHexString() string {
	md5sumCurr := p.rawReader.MD5Current()
	var appendHyphen bool
	// md5sumcurr is not empty in two scenarios
	// - server is running in strict compatibility mode
	// - client set Content-Md5 during PUT operation
	if len(md5sumCurr) == 0 {