popts := minio.PutObjectPartOptions{
			SSE: dstOpts.ServerSideEncryption,
		}

		partInfo, err := core.PutObjectPart(ctx, dstBucket, dstObject, uploadID, partID, gr, length, popts)
		if err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}

		response := generateCopyObjectPartResponse(partInfo.ETag, partInfo.LastModified)
		encodedSuccessResponse := encodeResponse(response)