AI 产品解读Chrome extension bridge for CryptoPro CAdES Browser Plugin, enabling Russian digital signature (ЭЦП) operations via native messaging with a locally installed CryptoPro native host
Enables use of CAdES-format electronic digital signatures (ЭЦП) in Chrome/Edge/Firefox by bridging web pages to the locally installed CryptoPro native messaging host, since NPAPI/PPAPI plugin APIs are no longer supported in modern browsers
1. User installs the extension along with the CryptoPro native messaging host on their OS. 2. When a web page loads the cadesplugin JS library, the content script detects it and establishes a communication channel. 3. The web page sends signing/verification requests via window.postMessage. 4. Content script relays requests to background.js, which forwards them to the native host via native messaging. 5. Results are returned back through the chain to the web page.
Bridges web page JavaScript to CryptoPro native messaging host (ru.cryptopro.nmcades)Injects nmcades_plugin_api.js into pages for CAdES plugin API accessManages trusted sites configuration for digital signature operationsSupports Chrome, Edge, Firefox, Yandex Browser, Opera, and SafariProvides plugin status indicators (active/inactive/error) via browser action iconHandles chunked message passing for large signature payloads
- 目标用户
- Russian users and organizations requiring CAdES digital signatures in the browser / Users of CryptoPro cryptographic software suite / Government and enterprise users working with electronic document signing
- Cannot inspect the native messaging host (ru.cryptopro.nmcades) which is a separate OS-level application - CryptoPro CSP may have its own licensing
- The extension itself is clearly free but the underlying CryptoPro cryptographic software suite may require paid licenses for commercial use
- No privacy policy URL available to verify data handling practices
付费分析未识别到付费功能
The extension contains no payment UI, no subscription logic, no license checks, no premium gating, no billing API calls. The keyword matches for 'pro' were false positives matching words like 'approved_site', 'properties', 'promise', 'propset_'. The extension is a free technical bridge for the CryptoPro CAdES plugin ecosystem.
- 置信度
- 95
- 支付平台
- --
- 来源
- AI / 高
- 需要登录
- 否
- 登录理由
- The extension is a technical bridge between web pages and a locally installed CryptoPro native messaging host (ru.cryptopro.nmcades). It has no login UI, no authentication flows, no credentials handling, and no account creation. All operations happen locally via the native messaging API.