v2.2.2
This commit is contained in:
Cristian Cezar Moisés
parent
f3e39fb8e6
commit
e5f5d32aab
124 changed files with 11892 additions and 2461 deletions
109
doc/zupt-gui.1
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109
doc/zupt-gui.1
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.TH ZUPT-GUI 1 "2026-04-27" "zupt-gui 1.1.1" "User Commands"
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.SH NAME
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zupt-gui \- graphical interface for the Zupt post-quantum backup utility
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.SH SYNOPSIS
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.B zupt-gui
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.RI [ ARCHIVE ]
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.SH DESCRIPTION
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.B zupt-gui
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is a graphical frontend for
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.BR zupt (1).
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It provides tabs for compression, extraction, key management, and
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full-disk backup. Both PQ encryption modes are exposed:
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.B legacy --pq
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and
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.B SDK v2 --pq-sdk
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(HKDF combiner, key commitment, HPKE binding, Argon2id).
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If
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.I ARCHIVE
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is given on the command line, the GUI opens directly on the
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extract tab with that archive preloaded.
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.B zupt-gui
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uses Qt 6. It works with either of the following Python Qt bindings,
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auto-detected at startup in this order:
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.IP \(bu 2
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PySide6 (Qt for Python)
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.IP \(bu 2
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PyQt6
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.PP
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If neither is installed, the GUI prints an instructive error and exits.
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.SH TABS
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.TP
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.B Compress
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Select files or directories, choose codec, level, password and/or PQ
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key. The
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.B Mode
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panel controls whether the SDK v2 path or the legacy path is used.
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.TP
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.B Extract
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Open a .zupt archive, select output directory, provide password
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and/or PQ private key.
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.TP
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.B Keygen
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Generate ML-KEM-768 + X25519 keypair. The
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.B SDK v2 format
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checkbox controls whether the keypair is generated via
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.B zupt keygen --sdk
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(producing
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.IR file
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and
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.IR file.pub
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in one step) or via the legacy
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.BR "zupt keygen" .
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.TP
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.B Disk
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Full-disk backup and restore. Enumerates block devices with
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human-readable sizes. Same encryption mode controls as Compress.
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.SH FILES
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.TP
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.I /usr/bin/zupt-gui
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Wrapper script that invokes the Python entry point.
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.TP
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.I /usr/lib/zupt-gui/zupt_gui.py
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Main Python source.
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.TP
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.I /usr/share/applications/zupt-gui.desktop
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Desktop entry for menu integration.
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.TP
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.I /usr/share/icons/hicolor/256x256/apps/zupt-gui.png
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Application icon.
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.SH ENVIRONMENT
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.TP
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.B ZUPT_BINARY
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Override the path to the
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.B zupt
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binary (default: search
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.IR PATH ).
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.SH BUGS
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Report at
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.UR https://git.securityops.co/cristiancmoises/zupt/issues
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.UE .
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.SH AUTHOR
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Cristian Cezar Moisés
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.MT zupt@riseup.net
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.ME
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.SH SEE ALSO
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.BR zupt (1).
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.SH LICENSE
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.PP
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zupt-gui is licensed under the
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.B GNU Affero General Public License version 3 or later
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(AGPL-3.0-or-later). Commercial license available for relief from
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copyleft terms; contact
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.MT sac@securityops.co
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.ME .
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.SH PROJECT
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.PP
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Home page:
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.UR https://git.securityops.co/cristiancmoises/zupt
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.UE
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379
doc/zupt.1
379
doc/zupt.1
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@ -1,6 +1,6 @@
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.TH ZUPT 1 "2026-03-29" "Zupt 2.0.0" "User Commands"
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.TH ZUPT 1 "2026-04-27" "Zupt 2.2.2" "User Commands"
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.SH NAME
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zupt \- backup compression with encryption and post-quantum key encapsulation
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zupt \- backup-oriented compression utility with hybrid post-quantum encryption
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.SH SYNOPSIS
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.B zupt compress
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.RI [ OPTIONS ]
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@ -18,116 +18,351 @@ zupt \- backup compression with encryption and post-quantum key encapsulation
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.RI [ OPTIONS ]
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.I archive.zupt
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.br
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.B zupt info
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.I archive.zupt
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.br
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.B zupt bench
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.RI [ --compare ]
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.I files/dirs...
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.br
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.B zupt disk
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.B backup\fR | \fBrestore
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.RI [ OPTIONS ]
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.br
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.B zupt keygen
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.RI [ -o
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.IR file ]
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.RI [ --pub ]
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.RI [ --sdk ]
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.RI [ -k
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.IR privkey ]
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.br
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.B zupt version
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.br
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.B zupt help
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.SH DESCRIPTION
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.B zupt
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compresses and encrypts backup archives using the VaptVupt codec
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(LZ77 + tANS entropy coding with AVX2 SIMD decode), AES-256-CTR
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authenticated encryption (HMAC-SHA256), and optional ML-KEM-768 +
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X25519 post-quantum hybrid key encapsulation.
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.PP
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Pure C11, zero external dependencies, ~12,000 lines of code.
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is a backup-oriented compression utility with multi-threaded compression,
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integrity verification, password-based encryption, and hybrid post-quantum
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public-key encryption (ML-KEM-768 + X25519). Two PQ encryption modes are
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supported: a legacy combiner kept for backward compatibility, and a
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state-of-the-art mode backed by libzuptsdk (HKDF-SHA3 hybrid combiner with
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domain separation, key commitment, HPKE binding RFC 9180, anti-fault
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decapsulation, and Argon2id RFC 9106 password derivation).
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.SH COMMANDS
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.TP
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.B compress, c
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Create a compressed archive from one or more files or directories.
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.TP
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.B extract, x
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Extract files from an archive.
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.TP
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.B list, l
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List archive contents without extracting.
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.TP
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.B test, t
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Verify archive integrity (decompresses without writing files).
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.TP
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.B info
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Show archive metadata; works without password and without keys.
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.TP
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.B bench
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Compare compression levels 1\(en9 on the given input.
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.TP
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.B disk backup\fR / \fBrestore
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Full-disk backup/restore with sparse-region detection, progress
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reporting, and proper sync discipline (\fBO_SYNC\fR + \fBfsync\fR + \fBsync\fR).
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.TP
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.B keygen
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Generate or export hybrid PQ keypair. With
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.B --sdk
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flag, generates a libzuptsdk v2 keypair (private key file plus
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.IR file .pub
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public key file). Without
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.BR --sdk ,
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generates a legacy keypair compatible with
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.BR --pq .
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.SH GLOBAL OPTIONS
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.TP
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.BR -v ", " --verbose
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Verbose per-file output.
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.TP
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.BR -q ", " --quiet
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Suppress non-error output.
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.TP
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.BR -t ", " --threads " " \fIN\fR
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Thread count: 0 = auto, 1 = single, 2\(en64 = explicit.
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.SH COMPRESS OPTIONS
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.TP
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.BI \-l " LEVEL"
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Compression level 1\-9 (default: 7). Levels 1\-3 use VaptVupt Ultra-Fast
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mode, 4\-7 use Balanced, 8\-9 use Extreme.
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.BR -l ", " --level " " \fI1-9\fR
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Compression level. Default 7. 1\(en2 fast/small window;
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3\(en5 balanced; 6\(en7 high; 8\(en9 maximum (1MB window, deep search).
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.TP
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.BI \-t " N"
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Thread count. 0=auto-detect, 1=single-threaded, 2\-64=explicit.
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.BR -b ", " --block " " \fISIZE\fR
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Block size in bytes. Default 128KB.
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.TP
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.BI \-p " PASSWORD"
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Encrypt with AES-256-CTR + HMAC-SHA256. Password prompted if omitted.
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.TP
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.BI \-\-pq " KEYFILE"
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Post-quantum hybrid encryption using ML-KEM-768 + X25519.
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.TP
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.B \-s
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.BR -s ", " --store
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Store without compression.
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.TP
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.B \-f
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Use fast LZ codec (Zupt-LZ, 64KB window).
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.BR -f ", " --fast
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Use the fast LZ codec (less compression, higher throughput).
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.TP
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.B \-\-vv
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Use VaptVupt codec (default since v2.0).
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.BR --vv ", " --vaptvupt
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Use the VaptVupt codec (LZ77 + tANS entropy, SIMD decode).
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.TP
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.B \-\-solid
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Solid mode: concatenate all files before compression for better ratio.
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.B --lzhp
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Use Zupt-LZHP (LZ77 + Huffman, no SIMD required).
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.TP
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.B \-v
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Verbose output.
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.SH EXTRACT OPTIONS
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.BR -p ", " --password " " \fIPW\fR
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Encrypt with AES-256. If
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.I PW
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is empty, prompt the user.
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.TP
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.BI \-o " DIR"
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Output directory.
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.BR --pq " " \fIPUBKEY\fR
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Encrypt using legacy PQ combiner (XOR + SHA3-512). Kept for
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compatibility. New archives should prefer
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.BR --pq-sdk .
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.TP
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.BI \-p " PASSWORD"
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.BR --pq-sdk " " \fIPUBKEY\fR
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Encrypt using libzuptsdk v2 (recommended): HKDF-SHA3 hybrid combiner
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with domain separation, 32-byte key commitment, HPKE binding (RFC 9180),
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anti-fault decapsulation, AEAD via XChaCha20-Poly1305, password mode
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via Argon2id (RFC 9106). The
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.I PUBKEY
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file is the
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.IR file .pub
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produced by
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.BR "zupt keygen --sdk" .
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.TP
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.BR -D ", " --dedup
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Block-level deduplication. Identical blocks across files are stored once.
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.TP
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.B --solid
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Solid mode: concatenate files into a single stream before compression.
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.SH EXTRACT / LIST / TEST OPTIONS
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.TP
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.BR -o ", " --output " " \fIDIR\fR
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Output directory (extract only). Default: current directory.
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.TP
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.BR -p ", " --password " " \fIPW\fR
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Decryption password.
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.TP
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.BI \-\-pq " KEYFILE"
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Post-quantum decryption with private key.
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.BR --pq " " \fIPRIVKEY\fR
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Decrypt a legacy PQ archive.
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.TP
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.BI \-t " N"
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Thread count for parallel decompression.
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.SH CODECS
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.BR --pq-sdk " " \fIPRIVKEY\fR
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Decrypt an SDK v2 PQ archive.
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.SH KEYGEN OPTIONS
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.TP
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.B VaptVupt (0x0010)
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Default. LZ77 + tANS entropy + AVX2 SIMD. Three modes: Ultra-Fast,
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Balanced, Extreme.
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.BR -o " " \fIFILE\fR
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Output keyfile path (required).
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.TP
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.B Zupt-LZHP (0x000A)
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LZ77 + Huffman + byte prediction. Previous default (v1.x).
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.B --pub
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Export public key from an existing private key (used with
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.BR -k ).
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.TP
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.B Zupt-LZ (0x0008)
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Fast LZ77, 64KB window. Selected with \-f.
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.BR -k " " \fIPRIVKEY\fR
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Source private keyfile when exporting public key.
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.TP
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.B Store (0x0000)
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No compression. Selected with \-s.
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.SH ENCRYPTION
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Password mode uses PBKDF2-SHA256 (600,000 iterations) to derive AES-256
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encryption and HMAC-SHA256 authentication keys. Per-block nonce derived
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from base_nonce XOR block_sequence.
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.PP
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Post-quantum mode (\-\-pq) uses ML-KEM-768 + X25519 hybrid KEM per NIST
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FIPS 203. Secure if either algorithm is secure.
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.BR --sdk ", " --pq-sdk
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Generate an SDK v2 keypair. Writes
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.I FILE
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(private key) and
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.IR FILE .pub
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(public key) in one step. Use these keys with
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.BR --pq-sdk .
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.SH EXAMPLES
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.TP
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Compress without encryption:
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.B
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zupt c backup.zupt ~/Documents/
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.TP
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Compress with password:
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.B
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zupt c -l 9 -p 'my-pass' secure.zupt data/
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.TP
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Generate legacy keypair, encrypt, decrypt:
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.nf
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zupt compress backup.zupt ~/Documents/
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zupt compress \-l 9 \-p secret secure.zupt data/
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zupt extract \-o ~/restored/ backup.zupt
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zupt bench \-\-compare
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zupt keygen \-o mykey.key
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zupt compress \-\-pq pub.key backup.zupt ~/Documents/
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zupt keygen -o mykey.key
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zupt keygen --pub -o pub.key -k mykey.key
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zupt c --pq pub.key backup.zupt ~/Documents/
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zupt x --pq mykey.key backup.zupt -o ~/restored/
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.fi
|
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|
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.TP
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Generate SDK v2 keypair, encrypt, decrypt (recommended):
|
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.nf
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zupt keygen --sdk -o mykey.priv
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# creates mykey.priv (private) and mykey.priv.pub (public)
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zupt c --pq-sdk mykey.priv.pub backup.zupt ~/Documents/
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zupt x --pq-sdk mykey.priv backup.zupt
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.fi
|
||||
|
||||
.TP
|
||||
Full-disk backup with PQ encryption:
|
||||
.nf
|
||||
zupt keygen --sdk -o disk.priv
|
||||
zupt disk backup --pq-sdk disk.priv.pub /dev/sda backup.img.zupt
|
||||
.fi
|
||||
|
||||
.SH FILES
|
||||
.TP
|
||||
.I *.zupt
|
||||
Zupt archive format (v1.4).
|
||||
.I /usr/bin/zupt
|
||||
The zupt binary.
|
||||
.TP
|
||||
.I *.zupt-key
|
||||
ML-KEM-768 + X25519 keypair file.
|
||||
.I /usr/lib/x86_64-linux-gnu/libzuptsdk.so.2
|
||||
The libzuptsdk shared library (Linux x86_64).
|
||||
.TP
|
||||
.I /usr/include/zuptsdk.h
|
||||
libzuptsdk public C API.
|
||||
.TP
|
||||
.I /usr/share/doc/zupt/
|
||||
Documentation, changelog, audit reports.
|
||||
|
||||
.SH ENVIRONMENT
|
||||
.TP
|
||||
.B ZUPT_THREADS
|
||||
Default thread count when
|
||||
.B -t
|
||||
is not specified.
|
||||
.TP
|
||||
.B ZUPT_TMPDIR
|
||||
Temporary directory for intermediate files (default:
|
||||
.IR /tmp ).
|
||||
|
||||
.SH EXIT STATUS
|
||||
0 on success, 1 on error.
|
||||
.TP
|
||||
.B 0
|
||||
Success.
|
||||
.TP
|
||||
.B 1
|
||||
General error (invalid arguments, file not found, etc.).
|
||||
.TP
|
||||
.B 2
|
||||
Authentication failure (wrong password, wrong key, tampered ciphertext).
|
||||
.TP
|
||||
.B 3
|
||||
I/O error.
|
||||
.TP
|
||||
.B 4
|
||||
Archive format error (corrupt, unsupported version, malformed header).
|
||||
|
||||
.SH SECURITY
|
||||
.B zupt 2.2+
|
||||
recommends
|
||||
.B --pq-sdk
|
||||
for new archives. The legacy
|
||||
.B --pq
|
||||
mode uses an XOR+SHA3-512 hybrid combiner that has been superseded
|
||||
by HKDF-SHA3 with domain separation in the SDK path. Both modes
|
||||
remain supported for archive interoperability.
|
||||
|
||||
For password-encrypted archives, prefer the SDK path: it uses
|
||||
Argon2id (RFC 9106) with OWASP-compliant minimum parameters
|
||||
(64 MiB memory, 3 iterations, 1 thread), versus PBKDF2-SHA256 in
|
||||
the legacy path.
|
||||
|
||||
.B Path traversal protection.
|
||||
zupt 2.2.2+ rejects archive entries containing
|
||||
.IR ".." ,
|
||||
absolute paths
|
||||
.RI ( /foo
|
||||
or
|
||||
.IR C:\\foo ),
|
||||
or embedded NUL bytes. On POSIX systems, output files are opened with
|
||||
.B O_NOFOLLOW
|
||||
so that pre-existing symlinks at the extraction target are not followed
|
||||
(defense against TOCTOU attacks where an attacker plants a symlink in the
|
||||
output directory before extraction). On Windows, this defense relies on
|
||||
directory ACLs.
|
||||
|
||||
.B Operational guidance for untrusted archives.
|
||||
Always extract into an empty dedicated directory, audit symlinks before
|
||||
extraction, and never run extraction as root.
|
||||
|
||||
.SH BUGS
|
||||
Report at
|
||||
.UR https://git.securityops.co/cristiancmoises/zupt/issues
|
||||
.UE
|
||||
or by email to
|
||||
.MT zupt@riseup.net
|
||||
.ME .
|
||||
|
||||
.SH AUTHOR
|
||||
Cristian Cezar Moisés <ethicalhacker@riseup.net>
|
||||
.SH LICENSE
|
||||
GNU Affero General Public License v3.0 or later (AGPL-3.0-or-later).
|
||||
The integrated VaptVupt codec is licensed under GPL-3.0-or-later (canonical upstream: github.com/cristiancmoises/vaptvupt).
|
||||
For commercial licensing inquiries, contact: sac@securityops.co.
|
||||
Cristian Cezar Moisés
|
||||
.MT zupt@riseup.net
|
||||
.ME
|
||||
|
||||
.SH SEE ALSO
|
||||
.BR gzip (1),
|
||||
.BR zstd (1),
|
||||
.BR lz4 (1)
|
||||
.BR zupt-gui (1),
|
||||
.BR tar (1),
|
||||
.BR gzip (1).
|
||||
|
||||
.SH STANDARDS
|
||||
Zupt implements algorithms from FIPS 197 (AES), FIPS 202 (Keccak/SHA-3),
|
||||
FIPS 203 (ML-KEM), and follows RFC 5297 (AES-SIV), RFC 5869 (HKDF),
|
||||
RFC 7748 (X25519), RFC 8439 (ChaCha20-Poly1305), RFC 9106 (Argon2),
|
||||
and RFC 9180 (HPKE). Cryptographic primitive selection is aligned
|
||||
with Brazilian Instrução Normativa ITI nº 35/2026, which incorporated
|
||||
ML-KEM-768/1024 into the ICP-Brasil framework.
|
||||
|
||||
.SH LICENSE
|
||||
.PP
|
||||
Zupt itself (CLI, GUI, libzuptsdk, Jasmin source) is licensed under the
|
||||
.B GNU Affero General Public License version 3 or later
|
||||
(AGPL-3.0-or-later). The bundled VaptVupt LZ codec
|
||||
.RB ( src/vv_*.c ", " src/vaptvupt_api.c )
|
||||
is licensed under the
|
||||
.B GNU General Public License version 3 or later
|
||||
(GPL-3.0-or-later). VaptVupt is GPL not AGPL so that, with sufficient
|
||||
maturity, it can be considered for upstreaming into the Linux or BSD
|
||||
kernels.
|
||||
.PP
|
||||
Commercial licenses (relief from copyleft terms) are available for both
|
||||
components. Contact
|
||||
.MT sac@securityops.co
|
||||
.ME .
|
||||
.PP
|
||||
See
|
||||
.B /usr/share/doc/zupt/LICENSE
|
||||
and
|
||||
.B /usr/share/doc/zupt/THIRD-PARTY-NOTICES.md
|
||||
for the full text and complete attribution.
|
||||
|
||||
.SH PROJECT
|
||||
.PP
|
||||
Home page:
|
||||
.UR https://git.securityops.co/cristiancmoises/zupt
|
||||
.UE
|
||||
.PP
|
||||
Related projects (all by Cristian Cezar Moisés, hosted on
|
||||
git.securityops.co):
|
||||
.IP \(bu 2
|
||||
.B zupt-android
|
||||
\(em
|
||||
.UR https://git.securityops.co/cristiancmoises/zupt-android
|
||||
.UE
|
||||
.IP \(bu 2
|
||||
.B zupt-web
|
||||
\(em
|
||||
.UR https://git.securityops.co/cristiancmoises/zupt-web
|
||||
.UE
|
||||
.IP \(bu 2
|
||||
.B libzuptsdk
|
||||
\(em
|
||||
.UR https://git.securityops.co/cristiancmoises/libzuptsdk
|
||||
.UE
|
||||
.IP \(bu 2
|
||||
.B vaptvupt
|
||||
(standalone GPL codec) \(em
|
||||
.UR https://git.securityops.co/cristiancmoises/vaptvupt
|
||||
.UE
|
||||
|
|
|
|||
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Reference in a new issue