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Assinatura digital Ed25519 de manifestos, relatórios e recuperações

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guara sign keygen, file, verify e recovery. Com chave configurada, recover e report
assinam sozinhos o manifesto e o relatório. A assinatura cobre hash, tamanho, nome, hora e
assinante e é Ed25519 comum (conferida com o openssl). A conferência de uma pasta de
recuperação refaz o hash de cada arquivo contra o manifesto e não deixa o manifesto apontar
para fora da pasta. A hora é a do relógio local, sem carimbo de terceiros (RFC 3161).

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Lucas RayanandClaude Sonnet 5.5 committed 2026-10-23 08:00:02 -03:00
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README.md
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@@ -91,7 +91,7 @@ A desktop app (Tauri) in the style of a file manager, designed for when Guará f
- **Automatic sessions** and reconnection: Guará recognizes the same disk coming back under another name.
- **Duplicate detection** by content signature.
> **Warning:** Guará has **not been externally validated** yet (for example, in the NIST CFTT tests) and has no audit log or signed report. It is well suited to recovery and triage; for use in court, check the results by other means. The path to get there is in the [ROADMAP](ROADMAP.md).
> **Warning:** Guará has **not been externally validated** yet (for example, in the NIST CFTT tests) and has no trusted timestamp (RFC 3161) on its signatures. It is well suited to recovery and triage; for use in court, check the results by other means. The path to get there is in the [ROADMAP](ROADMAP.md).
## Known limits
@@ -111,8 +111,8 @@ Summary of the [ROADMAP](ROADMAP.md):
| | |
|---|---|
| **Done** | Metadata from 8 file systems, BitLocker, LUKS, FileVault 2, RAID, LVM, E01, Ex01, AFF4, fragmented JPEG, MP4 without an index, SQLite reader, SMART, QCOW2/VMDK/VHD/VHDX/DMG, hash-chained audit trail, PDF report, APFS free map |
| **Next** | Digitally signed report, tests on Windows and macOS |
| **Done** | Metadata from 8 file systems, BitLocker, LUKS, FileVault 2, RAID, LVM, E01, Ex01, AFF4, fragmented JPEG, MP4 without an index, SQLite reader, SMART, QCOW2/VMDK/VHD/VHDX/DMG, hash-chained audit trail, PDF report, Ed25519 signatures, APFS free map |
| **Next** | Trusted timestamps (RFC 3161), tests on Windows and macOS |
| **Later** | NSRL and hash lists, content search, unified timeline, browser interpretation, Windows registry and messaging apps, dictionary and brute-force attacks on encrypted volumes |
| **No reference image** | ReFS and Storage Spaces: they only land with validation |
| **Long term** | iOS and Android backups (iTunes, ADB), OCR, NIST CFTT validation, physical phone access through bootloader/chip exploits |