Cooling signalNo paid features detectedHigh-risk permissions

CFCA CryptoKit.UnionPayIntl Extension

CFCA Security Application Development Kit

Users503Current public install base

Rating--Store average score

Reviews0Public review volume

Manifest versionV3Extension platform version

7-day growth-8Net users gained this week

7-day growth rate-1.57%Relative weekly velocity

Preview

CFCA CryptoKit.UnionPayIntl Extension Media preview

2 assets

Trend

User growth trend

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User Growth Over Time

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Growth overview

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1-day growthNo data

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7-day growthDeclining

-8-1.57%

30-day growthNo data

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Technical snapshot

Version, languages, and crawl freshness

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Version3.4.0.2

ManifestV3

Size15.35KiB

Languages1中文（中国）

Published--

Store updated--

Last crawled--

Overview

Product summary

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本扩展用于配合网页中的数字签名控件，保障用户在在线办理业务（如电子签名、证书验证、合同确认等）时能够安全、顺畅地完成身份认证与数据签名操作。

Reviews

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Store average score--Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average--Average computed only from synced review bodies below

Reviews with text0Synced review bodies

Total ratings / reviews0Chrome Web Store public rating/review count

Store average score: --. 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★

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Accessibility

CFCA Security Application Development Kit

AI product read

Provide a JavaScript SDK bridge for digital signature, certificate verification, and identity authentication operations on web pages.

Enables secure, client-side digital signing and certificate-based identity verification for online business processes (e.g., e-signatures, contract confirmation) by bridging web pages to a native host application.

1. Web page on unionpayintl.com/cn loads content.js. 2. Web page calls extension API via chrome.runtime.sendMessage. 3. eventPage.js receives the request and connects to a native host via chrome.runtime.connectNative. 4. Native host performs the security operation (e.g., digital signature). 5. Result is sent back through native host → eventPage.js → content.js → web page via CustomEvent.

Target users: Web applications of UnionPay International (unionpayintl.com/cn) that require digital signature/certificate services / Developers integrating CFCA security controls into web applications

The extension is tightly coupled with a native host application (com.cfca.*) that is not included in the source package, so the full security operation logic cannot be analyzed from source alone.
The extension only works on unionpayintl.com/cn domains; behavior on other sites is not applicable.
No visibility into the native host's authentication or billing mechanisms.

Monetization

No paid features detected

The extension is a free SDK/development kit provided by CFCA for digital signature and certificate operations. There is no billing, subscription, upgrade gating, or payment UI in the code. The 'upgrade' keyword found is a comment about JSON format compatibility, not a paid upgrade.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension itself does not implement any login UI, account creation, or credential storage. It is a pure SDK/bridge that connects web pages on unionpayintl.com/cn to a native host via chrome.runtime.connectNative. While the destination websites (UnionPay International) likely require user authentication for the business services they provide, the extension does not manage or require a login itself.

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

CFCACryptoKit

Independent publisher

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

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Permissions

Host access