DotGhostBoard 2.0.0 “Cerberus” adds a dedicated Vault for longer-term secrets alongside its Linux clipboard history. The project describes the Vault as a locally stored, encrypted feature using AES-256-GCM and a key derived from a master password. Those are project-reported implementation details—not evidence of an independent security audit or a guarantee that secrets are safe from malware or a compromised desktop session.
What Cerberus adds to DotGhostBoard
The project describes DotGhostBoard as a native Linux clipboard manager that saves clipboard material locally. Its ordinary history features include capture, search, pins, tags, and collections. The v2.0.0 “Cerberus” release record adds a Vault interface and secret detection, broadening the app from clipboard-history management to a tool that also presents a separate place for longer-term secrets. Project repository
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The release announcement characterizes Cerberus as an architectural release involving local cryptographic storage, secret detection, release channels, and desktop integration. These descriptions come from the project; they should not be read as independently verified security or performance findings. Project release announcement
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Project materials describe the Vault as an isolated database with envelope encryption. The engineering article says Vault entries use AES-256-GCM and describes temporary reveal and master-password-related key handling. In broad terms, AES-GCM is an authenticated encryption mode: it is designed to protect encrypted data from disclosure and detect certain forms of tampering. The project’s description does not, by itself, establish that the implementation is correct or that secrets remain protected in every operating condition. Project engineering article
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The repository identifies SQLite as the application’s local data store. The project also documents network-sync features in its broader product history, but that should not be conflated with the Vault’s described local-storage design. The available material does not establish that the Vault is end-to-end encrypted or synchronized across devices.
What the security claims do—and do not—mean
Encryption at rest can help protect stored Vault data, but it is only one part of a security picture. A password-derived key can be affected by the quality of the password and the details of the derivation process; the available project description does not supply enough information to assess those implementation choices independently.
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- Compromised desktop: Malware or an attacker controlling the logged-in user session may be able to interact with the application or capture secrets when they are revealed.
- Clipboard exposure: Clipboard managers and other desktop applications may encounter copied content outside the Vault. A separate Vault does not automatically change how clipboard consumers handle data.
- Screen and memory exposure: Revealing a secret can expose it to screenshots or other software observing the screen. The project describes temporary reveal, but the available material does not establish reliable memory erasure.
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The project repository associates the v2.0.0 “Cerberus” roadmap entry with 470 tests. This is a project-published test count, not a coverage percentage, external audit, or independent assessment of the cryptography. Project repository
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The repository documents several Linux distribution formats and a source-installation route. Its examples and release artifacts can change, so check the latest release page and your distribution’s compatibility before installing. The repository lists these minimum dependency versions:
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| Dependency | Repository requirement |
|---|---|
| Python | 3.11 or later |
| PyQt6 | 6.6.0 or later |
| Pillow | 10.0.0 or later |
| cryptography | 41.0.0 or later |
Documented download routes include an AppImage, a DEB package for Debian, Ubuntu, and Kali, an Arch package, and a portable tarball. The repository also explains how to run from source. Because installation instructions may reflect different release states, verify the version and instructions for the artifact you choose rather than assuming an older command or package label still applies. Project repository and release artifacts
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Who should consider it
DotGhostBoard is relevant to Linux users who want searchable clipboard history and a separately presented Vault in one desktop application. The project documents useful history organization features and a stated local encryption design, but the available evidence does not provide an independent security review, supported-distribution compatibility matrix, or controlled performance comparison. Users deciding whether to entrust it with sensitive information should weigh those limits alongside their own desktop threat model.
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