myna-sign
A desktop app that signs and verifies any file or PDF using the signing certificate on a Japanese My Number Card. It supports timestamps and shows what was and was not verified.
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Overview
myna-sign is a desktop app that signs and verifies any file or PDF using the signing certificate on a Japanese My Number Card. Files get an OpenPGP detached signature, and PDFs get an appended signature with an auto-generated signature field. It supports RFC 3161 timestamps. Before signing, it shows what you are signing and what the signature will disclose. It also has a CLI and is built with Rust and Tauri.
Key features
- OpenPGP detached signatures for any file, plus clear-text for text
- Appended PDF signatures with a draggable or auto-made signature field
- RFC 3161 timestamps from FreeTSA, DigiCert or a server you choose
- Verification lists what was checked and what was not
- Shows remaining PIN attempts before signing
Best for
Holders of a My Number Card with a card reader who want to sign documents on their own computer. It does not check revocation, and the app always reports that step as not done.
- Upstream
- soltia48/myna-sign
- Fork on GitHub
- Guo-astro/myna-sign
- Upstream stars
- 24
- Category
- Apps and everyday utilities
- Language
- Rust
- License
- No license declaredWithout a license, the author keeps all rights. Ask the upstream owner before reusing the code.
- Forked
- 2026-08-16
- Sync status
- In syncLast synced 2026-10-19
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