return hex.EncodeToString(etag), nil
}

// For encrypted objects, the ETag sent by client if available
// is stored in encrypted form in the backend. Decrypt the ETag
// if ETag was previously encrypted.
func getDecryptedETag(headers http.Header, objInfo ObjectInfo, copySource bool) (decryptedETag string) {
	var (
		key [32]byte
		err error
	)
	// If ETag is contentMD5Sum return it as is.
	if len(objInfo.ETag) == 32 {

						Host:         handlers.GetSourceIP(r),
					})
					continue
				}

				fanOutResp = append(fanOutResp, minio.PutObjectFanOutResponse{
					Key:          objInfo.Name,
					ETag:         getDecryptedETag(formValues, objInfo, false),
					VersionID:    objInfo.VersionID,
					LastModified: &objInfo.ModTime,
				})

				eventArgsList = append(eventArgsList, eventArgs{

			w.Header().Set(xhttp.AmzServerSideEncryptionCustomerKeyMD5, r.Header.Get(xhttp.AmzServerSideEncryptionCustomerKeyMD5))
		}
		objInfo.ETag = getDecryptedETag(r.Header, objInfo, false)
	}

	if r.Header.Get(xhttp.AmzChecksumMode) == "ENABLED" && rs == nil {
		// AWS S3 silently drops checksums on range requests.

			if err != nil {
				// Call the cleanup funcs
				for i := len(cFns) - 1; i >= 0; i-- {
					cFns[i]()
				}
				return nil, err
			}

			oi.ETag = getDecryptedETag(h, oi, false)

			// Apply the skipLen and limit on the
			// decrypted stream
			decReader = io.LimitReader(xioutil.NewSkipReader(decReader, skipLen), decRangeLength)

			// Assemble the GetObjectReader