evelopen Wrap an arbitrary file in an envelope with time stamp and checksum. The name is an anagram of “envelope”. The header includes a field of pseudo random data to attempt making all envelope instances unique, including when generating an envelope for identical data within the same second. Licence Copyright 2020 Steinar Knutsen Licensed under the EUPL, Version 1.2 or – as soon they will be approved by the European Commission – subsequent versions of the EUPL (the “Licence”); You may not use this work except in compliance with the Licence. You may obtain a copy of the Licence at: https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12 Unless required by applicable law or agreed to in writing, software distributed under the Licence is distributed on an “AS IS” basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Licence for the specific language governing permissions and limitations under the Licence.