// AWS S3 silently drops checksums on range requests.
		cs, _ := objInfo.decryptChecksums(opts.PartNumber, r.Header)
		hash.AddChecksumHeader(w, cs)
	}

	if err = setObjectHeaders(ctx, w, objInfo, rs, opts); err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Set Parts Count Header
	if opts.PartNumber > 0 && len(objInfo.Parts) > 0 {