Stable signalNo paid features detectedHigh-risk permissions

Extension for CAdES Browser Plugin

Расширение позволяет использовать ЭЦП Browser plugin в браузере. Для работы требует установленного ЭЦП Browser plugin.

Users8MCurrent public install base

Rating3.4Store average score

Reviews28Public review volume

Manifest versionV3Extension platform version

7-day growth0Net users gained this week

7-day growth rate0%Relative weekly velocity

Preview

Extension for CAdES Browser Plugin Media preview

1 assets

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User Growth Over Time

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7-day rating change

Start

3.36

Latest

3.36

7-day rating change

0.00

2026年7月13日2026年7月19日

Growth overview

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1-day growthNo data

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7-day growthFlat

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30-day growthNo data

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Technical snapshot

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Version1.3.17

ManifestV3

Size45.32KiB

Languages1русский

Published--

Store updated--

Last crawled--

Overview

Product summary

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Расширение для CAdES Browser plug-in

Reviews

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Store average score3.4Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average3.2Average computed only from synced review bodies below

Reviews with text21Synced review bodies

Total ratings / reviews28Chrome Web Store public rating/review count

Store average score: 3.4. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★

4★

3★

2★

1★

Павел Афанасьев2025年3月12日

Упаковано отлично, пока не использовал)))

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AI product read

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.

Target users: 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

Monetization

No paid features detected

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.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: 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.

Permission risk

High-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

敏感权限：nativeMessaging

Publisher

cadescompany

Independent publisher

Email: [email protected]
Phone: --
Address: --

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Permissions

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