Pro Package
Pro · Commercial★ Pro — Commercial License Required
The Pro package requires a commercial license: $1,000 USD per application, perpetual per major version.
The Pro package (yeeefang/tcpdf-nextpro) extends Core with enterprise-grade security and compliance features that go beyond what the open-source packages provide.
Feature Comparison
| Feature | Core | Pro |
|---|---|---|
| PDF 2.0 generation | Yes | Yes |
| AES-256 encryption | Yes | Yes |
| PAdES B-B signatures | Yes | Yes |
| PAdES B-T / B-LT / B-LTA | -- | Yes |
| Long-Term Validation (LTV) | -- | Yes |
| PDF/A-4 archival | -- | Yes |
| PDF/UA accessibility | -- | Yes |
| HSM integration (PKCS#11) | -- | Yes |
| Certificate Transparency | -- | Yes |
| RSASSA-PSS signatures | -- | Yes |
Installation
bash
composer require yeeefang/tcpdf-nextproSet your license key in the environment:
bash
# .env
TCPDF_PRO_LICENSE_KEY=your-license-keyPackage Contents
| Module | Classes | Purpose |
|---|---|---|
| Security/Signature | 5 | PAdES B-B through B-LTA digital signatures |
| Security/Ltv | 4 | Long-Term Validation -- DSS, OCSP, CRL |
| Security/Timestamp | 2 | RFC 3161 TSA timestamps |
| Security/Encryption | 2 | AES-256 (AESV3) with SASLprep |
| Security/Hsm | 2 | Hardware Security Module (PKCS#11) |
| Archive | 5 | PDF/A-4 compliance, XMP metadata |
| Accessibility | 3 | Tagged PDF, structure tree, role mapping |
Total: 47 source files across 7 modules.
Namespace
All Pro classes live under Yeeefang\TcpdfNext\Pro\:
Yeeefang\TcpdfNext\Pro\Security\Signature\DigitalSigner
Yeeefang\TcpdfNext\Pro\Security\Signature\CertificateInfo
Yeeefang\TcpdfNext\Pro\Security\Signature\ByteRangeCalculator
Yeeefang\TcpdfNext\Pro\Security\Signature\SignatureAppearance
Yeeefang\TcpdfNext\Pro\Security\Ltv\LtvManager
Yeeefang\TcpdfNext\Pro\Security\Ltv\DssBuilder
Yeeefang\TcpdfNext\Pro\Security\Ltv\OcspClient
Yeeefang\TcpdfNext\Pro\Security\Ltv\CrlFetcher
Yeeefang\TcpdfNext\Pro\Security\Timestamp\TsaClient
Yeeefang\TcpdfNext\Pro\Security\Timestamp\DocumentTimestamp
Yeeefang\TcpdfNext\Pro\Security\Encryption\Aes256Encryptor
Yeeefang\TcpdfNext\Pro\Security\Encryption\SaslPrep
Yeeefang\TcpdfNext\Pro\Security\Hsm\HsmSigner
Yeeefang\TcpdfNext\Pro\Security\Hsm\Pkcs11Bridge
Yeeefang\TcpdfNext\Pro\Archive\PdfAManager
Yeeefang\TcpdfNext\Pro\Archive\XmpMetadata
Yeeefang\TcpdfNext\Pro\Archive\OutputIntent
Yeeefang\TcpdfNext\Pro\Archive\IccProfile
Yeeefang\TcpdfNext\Pro\Archive\PdfAVersion
Yeeefang\TcpdfNext\Pro\Accessibility\StructureTreeManager
Yeeefang\TcpdfNext\Pro\Accessibility\RoleMapQuick Example
php
use Yeeefang\TcpdfNext\Core\Document;
use Yeeefang\TcpdfNext\Pro\Security\Signature\DigitalSigner;
use Yeeefang\TcpdfNext\Pro\Security\Signature\CertificateInfo;
use Yeeefang\TcpdfNext\Pro\Security\Signature\SignatureAppearance;
use Yeeefang\TcpdfNext\Pro\Security\Ltv\LtvManager;
use Yeeefang\TcpdfNext\Pro\Security\Timestamp\TsaClient;
use Yeeefang\TcpdfNext\Contracts\Enums\SignatureLevel;
$pdf = Document::create()
->addPage()
->font('Helvetica', size: 12)
->text('Enterprise-signed document.');
$cert = CertificateInfo::fromPkcs12('/certs/signer.p12', 'passphrase');
$tsa = new TsaClient('https://tsa.example.com/timestamp');
$signer = new DigitalSigner($cert);
$signer->level(SignatureLevel::PAdES_B_LTA);
$signer->timestampAuthority($tsa);
LtvManager::embed($pdf, $signer);
$pdf->save('/output/signed.pdf');Next Steps
- PAdES Digital Signatures -- Full signature pipeline from B-B to B-LTA.
- Long-Term Validation -- DSS, OCSP, CRL, and archival timestamps.
- PDF/A-4 Archival -- ISO 19005-4:2020 compliance.
- HSM Integration -- Hardware Security Module signing via PKCS#11.