RB90 Certificate Signer by vukosav
Securely sign RB90 requests using certificates from the Windows certificate store.
Extension Metadata
About this extension
RB90 Certificate Signer enables secure digital signing of requests in the RB90 web application.
The extension connects approved RB90 websites to the local RB90 Certificate Signer application through Firefox Native Messaging. The local application locates the selected certificate in the Windows certificate store and creates a JWS digital signature.
The certificate private key never leaves the Windows certificate store and is never available to the extension, the web application, or the RB90 server. Signing is performed only when the user initiates the corresponding action in the RB90 application.
The free RB90 Certificate Signer application for Windows must be installed for this extension to work.
The extension connects approved RB90 websites to the local RB90 Certificate Signer application through Firefox Native Messaging. The local application locates the selected certificate in the Windows certificate store and creates a JWS digital signature.
The certificate private key never leaves the Windows certificate store and is never available to the extension, the web application, or the RB90 server. Signing is performed only when the user initiates the corresponding action in the RB90 application.
The free RB90 Certificate Signer application for Windows must be installed for this extension to work.
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Permissions and data
Required permissions:
- Exchange messages with programs other than Firefox
- Access your data for rb90-test.hermetis.co
Optional permissions:
- Access your data for rb90-test.hermetis.co
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.3.1
- Size
- 28.84 KB
- Last updated
- 13 days ago (Aug 8, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
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