✍️ Digital Signing

Overview

Transform your document signing workflow with secure, eIDAS-compliant digital signatures. All processing happens locally within your Nextcloud instance, ensuring maximum security and compliance.

Features

Signature Types

• Multiple signature types support
  • Qualified Electronic Signatures (QES)
  • Advanced Electronic Signatures (AES)
  • Basic Electronic Signatures
• Signature verification
• Audit trail
• Batch signing capabilities
• Integration with local identity providers

Quick Start

Sign Document

// Sign a document
$signedDocument = $signingService->signDocument(
    documentId: 123,
    signatureType: 'qualified',
    signerId: 'john.doe',
    certificate: $certificate
);

Verify Signature

// Verify a signature
$verification = $signingService->verifySignature(
    documentId: 123,
    signatureId: 'abc-123'
);

if ($verification->isValid()) {
    echo "Signature is valid!";
    echo "Signed by: " . $verification->getSignerName();
    echo "Timestamp: " . $verification->getTimestamp();
}

Use Cases

Legal Documents

• Contract signing
• Document approval workflows
• Multi-party agreements

Compliance

• Regulatory compliance
• Internal authorizations
• Audit trail maintenance

Security First

All signing operations occur within your secure environment, ensuring private keys and sensitive data never leave your control.

eIDAS Compliance

Our signing implementation follows eIDAS regulations, making it suitable for legal and regulatory requirements across the EU.