Imports corelab.mkcl.org/MKCLOS/coredevelopmentplatform/coreospackage/filehelper corelab.mkcl.org/MKCLOS/coredevelopmentplatform/coreospackage/logginghelper github.com/DataDog/zstd github.com/OneOfOne/xxhash Standard library imports bytes crypto/aes crypto/cipher crypto/md5 encoding/base64 errors os strconv time