Electronic signature and Document Encryption Authentication

sslTrus Document Signature Certificate

The document signature certificate ensures the authority and reliability of electronic documents through functions such as verifying the identity of the approver and electronic signature. Supports various Adobe PDF and Microsoft Office documents. Not only does it prevent leakage and tampering, but it also endows electronic documents with the same legal effect as paper seals. The issuance cycle is approximately 3 to 5 working days.

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File: NDA_Contract_2026.pdf
Verification of the true identity of the signatory
Document Hash value tamper-proof verification
Additional LTV authoritative timestamp signature
sslTrus Document Signature Certificate

We provide you with personal and enterprise-level document signing solutions that comply with the "Electronic Signature Law", completely eliminating the hassle and cost of paper printing.

Personal/independently issued version

Personal Document signature

The subject of the certificate shows the individual's real name. It is used to protect the authenticity of personal documents and ensure that the content is not tampered with.

¥1000Since /
  • Unlimited number of signatures
  • Automated issuance within minutes
  • Standard configuration with high-intensity SHA256 algorithm
  • Show your true and trustworthy identity
  • 7*24 Expert Service and Support
  • 30-day worry-free refund plan
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Why use document signing certificates?

Document signing certificates can be used to digitally sign PDF or Office documents, endowing electronic documents with the characteristics of being immutable and having a legitimate identity.

1. Legally binding

Digital signatures using document signature certificates strictly comply with the relevant provisions of China's "Electronic Signature Law", endowing electronic documents with the same legal effect as paper seals and handwritten signatures, effectively avoiding legal disputes and repudiation.

2. International Dual Qualification Certification

The sslTrus document signature certificate has passed the strict audit and certification of the international WebTrust. Not only does it meet the compliance requirements of domestic industries, but it also possesses globally recognized international qualifications, ensuring that the cross-border business documents you sign are trusted worldwide.

3. Internal and external signatures of the enterprise

Enterprise document signature certificates can be issued to the main body of the enterprise, specific departments or key employees. It is specifically designed for internal approval and circulation within enterprises as well as the official signing of external business documents, comprehensively ensuring the authenticity, completeness and confidentiality of documents during the circulation process.

Sign Features

Core advantages of sslTrus document signature

eliminate the inefficient and high-cost traditional paper signature flow and redefine the efficiency of your enterprise's contract circulation with digital signatures that have the strength of national cryptography.

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Has legal effect

Fully comply with the national "Electronic Signature Law" to ensure that signatures have non-repudiable legal effect and can be directly used as evidence for rights protection and judicial preservation.

High-strength cryptographic algorithm

Built on state-of-the-art SHA256 and stronger cryptographic hash algorithms, preventing forged signatures and technical compromise.

Ensure the authenticity of the document

After signing, any tampering with the document—even a single punctuation mark—immediately invalidates the signature and triggers a warning, keeping document content intact at all times.

Signer identity verification

It can only be issued after a strict review of the personal/enterprise subject materials to ensure that the viewer knows exactly the source of the true signatory of the document.

Green and environmentally friendly, paperless office

Compress the contract signing process from "printing - mailing - stamping - returning" to just a few seconds of click operation, significantly reducing paper and express delivery costs.

Signature verification, permanently valid

Support the configuration of trusted timestamps (LTVS). Even if the certificate expires, the document signatures signed in the current year will be proven to be permanently valid in the future.

The wide application scenarios of document signatures

It is applicable to the digital transformation of all industries, building an efficient, trustworthy and low-carbon digital business closed loop.

Electronic Contracts and Agreements

Provide digital signatures with non-repudiation features for procurement contracts and cooperation agreements between enterprises, achieving rapid cross-regional and off-site signing and circulation.

Electronic Official Documents and Certificates

Deeply aligned with government and public-sector scenarios such as official documents, electronic correspondence and certificate issuance, ensuring that officially issued materials remain authoritative and trustworthy.

Electronic Medical Records and Healthcare

Empower smart healthcare by providing legally endorsed signatures for attending physicians to sign electronic prescriptions and for patients' electronic medical records, preventing the tampering of medical data.

Electronic Bills and Insurance Policies

Well suited for electronic statements and policy delivery in the financial and insurance industries, providing customers with anti-forgery verification and strengthening financial credibility.

Electronic Archives and Digital Authorization

Provide unalterable long-term digital rights confirmation for the personnel files, intellectual property documents, and important internal authority delegation and digital authorization letters of enterprises.

Fully paperless office

Deeply integrate OA, ERP and various internal approval process systems, replace traditional physical seals with efficient electronic signatures, and move towards true end-to-end paperless operation.

Frequently Asked Questions

Does a document signed with a document signature certificate have legal effect?

Yes. The document signature complies with the requirements of the "Electronic Signature Law" for reliable electronic signatures. Digital signatures verified by CA have the same legal effect as paper seals and handwritten signatures and can be used for formal documents such as contracts, approvals, and certificates.

Which document formats are supported?

Supports digital signatures for Adobe PDF and Microsoft Office (Word, Excel, PowerPoint) documents. Once the signed document is tampered with, a warning will be displayed immediately when opened to ensure the integrity and credibility of the content.

How to choose between the personal version and the enterprise version?

The personal version verifies personal identity and is suitable for personal documents and freelance scenarios. The enterprise version verifies the identity of the enterprise and displays the enterprise name in the signature, making it suitable for scenarios such as external contracts and qualification documents that require institutional endorsement.

How long is the validity period of a signed document?

Signatures combined with trusted timestamps can remain valid for a long time. Even if the certificate expires in the future, the signatures of completed documents can still be verified, meeting the requirements for long-term preservation and evidence presentation of electronic archives.

How long does it take to issue?

The certificate will be issued approximately 3 to 5 working days after the identity verification is completed. The private key of the certificate is stored in the hardware token for security. After receiving it, you can directly sign the document in Adobe Acrobat or Office.

From Manual Certificate Operations to Automation

From SSL/TLS certificate discovery, enrollment and deployment to continuous monitoring, alerting and automatic renewal, sslTrus helps enterprises build a unified certificate automation platform—reducing the operational burden of growing certificate inventories and shorter validity periods.

  • Overview
  • Certificate Requests
  • Certificate Deployment
  • Discovery Agents
  • Compliance & Alerts
  • Settings
Global Overview
Total Certificates
12,458
Pending
34
Expiring in 30 Days
15
Expired
2
Automated Deployments · 30 Days
Expiration Risk · Next 6 Months
Overall Compliance Rate
96%

Certificates Meet the Latest Security Baseline

Device & Cloud Asset Mix
Alibaba Cloud (40%)
AWS (25%)
Azure (15%)
F5 (10%)
Cisco (10%)