Brazilian users need to digitally sign documents using ICP-Brasil certificates on partner websites. This extension bridges web pages and a native OS module, allowing certificate-based signing directly in the browser without separate desktop software

1) User installs Chrome extension. 2) Extension prompts download and installation of a native OS module (Windows .exe, Linux .deb/.rpm, macOS .pkg). 3) User navigates to a partner website (e.g., emissao.luminasign.com.br). 4) Partner website's JavaScript dispatches custom events (syngular_list_certificates, syngular_sign) detected by the content script. 5) User authorizes the domain to access their certificates. 6) Extension communicates with native module via nativeMessaging to list certificates or perform PKCS#1 signing. 7) Signature result is returned to the partner website.

目标用户: Brazilian users with ICP-Brasil digital certificates / Users of partner digital certificate services (e.g., Luminasign, Ari9 Digital, Certifica, CertiMinas, etc.) / Individuals and businesses needing legally binding digital signatures in Brazil

Source code is webpack-bundled (minified variable names in some places), making exact line-by-line tracing of some flows harder
The native module source is not included in the extension package; its behavior is inferred from the Chrome API calls and messaging protocol
No store-listed price or privacy policy URL available to cross-reference

付费分析

未识别到付费功能

No evidence of payment systems, subscriptions, pricing, billing APIs, Stripe/PayPal integration, or any monetization mechanism within the extension code. All 'pro' keyword matches were false positives (Promise, PromptDownload, programador, etc.). The extension is a free tool provided by SyngularID to enable digital signing in partner websites. Digital certificates (ICP-Brasil) must be purchased separately from certificate authorities, but that is external to this extension.

置信度: 90
支付平台: --
来源: AI / 高
需要登录: 否
登录理由: The extension does not implement its own login system or require user accounts. The 'auth' references in the source code (e.g., ListAuthorizedDomains, AuthorizeDomain, VerifyDomainAuthorization) relate to domain authorization—allowing/disallowing partner websites to access the user's locally installed digital certificates—not user account authentication. The extension communicates with a native OS module to access locally stored digital certificates (ICP-Brasil) installed on the user's machine. No credential forms, OAuth flows, or account creation UI exist in the code.

权限风险

高风险权限组合

根据声明权限和站点访问权限，评估插件的访问范围与潜在敏感度。

敏感权限：nativeMessaging
扩展能力较强：activeTab、scripting、storage
主机权限覆盖范围较宽

发布者

extension

Syngular Id

邮箱: [email protected]
电话: --
地址: R. Lauro Linhares, 2010 Bloco B Andar 8 Florianópolis, SC 88036-002 BR

上面的公开联系方式保持可见；开发者组合页对付费账号开放。

查看开发者组合页

权限

站点访问

Assinatura Digital no Navegador - SyngularID

Assinatura Digital no Navegador - SyngularID 媒体预览

用户增长趋势

用户增长趋势

近 7 日评分趋势

7 日评分变化

日/周/月增长表现

版本、语言与抓取信息

插件简介

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