Native messaging agent for Master Signer ICP-Brasil digital signature
Master Signer Agent is a native messaging host that enables the Master Signer
browser extension to access hardware security tokens (A3 certificates) and perform
ICP-Brasil compliant digital signatures via PKCS#11.
Supports tokens from: SafeSign (AET/SERPRO), Feitian ePass, HID ActivClient,
Safeweb, Thales/Gemalto IDGo, WatchData, and other PKCS#11 compatible devices.
Alinhamento de versão com extensão 1.1.2. Sem mudanças funcionais no agente —
versão acompanha o release unificado que corrige a quota de session storage
da extensão para PDFs grandes.
| Publisher | MasterSigner |
|---|---|
| Version | 1.1.2 |
| License | Proprietary |
| Installer type | exe |
| Architecture | x64 |
| Package ID | MasterSigner.Agent |
| Requirements | Windows 10 or later |
| Install scope | Current user |
winget install --id=MasterSigner.Agent -ewinget upgrade --id=MasterSigner.Agent -ewinget uninstall --id=MasterSigner.Agent -e"windows-amd64.exe" --silentSilent install switches for more Windows programs »
Install Master Signer Agent together with other apps in one command »
Correção de race condition na comunicação extensão ↔ agente durante assinatura
de payloads grandes (PDFs > 50KB). Limpeza de IDs de teste no manifesto de
Native Messaging — agora aceita apenas o ID oficial da extensão na Chrome Web Store.
Master Signer Agent is proprietary software from MasterSigner. Check the publisher's license terms for pricing and usage rights.
The latest version is 1.1.2.
The download button links to the official installer published on get.mastersigner.app, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with ba2c8ae4e70e170493b847e9f71f0b0ec629351b44ca0b259f716af95c05c676.
Master Signer Agent requires Windows 10 or later and is available for 64-bit (x64) systems.
Run the offline installer with "windows-amd64.exe" --silent, or install it with Windows Package Manager: winget install --id=MasterSigner.Agent -e --silent.
Open Settings › Apps › Installed apps, find Master Signer Agent and select Uninstall. From the command line, run winget uninstall --id=MasterSigner.Agent -e.
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