wbackup
- Calclate 32bit checksum and SHA256 hash.
- this file exist in duplicate check database.
- if not exist then comppress source file and export binary database.
- add sourcefile database.
- remove oldest files.
- remove archive flags.
duplicate check database
- 32bit checksum
- SHA-256 hash
- backup count (64bit)
- binary stream id (64bit)
binary data stream
- backup count (64bit)
- binary stream id (64bit)
- 32bit HEX