User Manual 3­Heights® PDF to PDF/A Converter Service Version 6.18.0 Contents 1 Introduction ........................................................................ 5 1.1 Description .......................................................................... 5 1.2 Functions ........................................................................... 5 1.2.1 Features ......................................................................... 5 1.2.2 Formats ......................................................................... 6 Input Formats ................................................................ 6 Output Formats .............................................................. 7 1.2.3 Conformance .................................................................... 7 1.3 Service .............................................................................. 7 1.4 Operating Systems .................................................................... 7 1.5 Digital Signatures ..................................................................... 8 1.5.1 Overview ........................................................................ 8 1.5.2 Terminology ..................................................................... 8 1.5.3 Why Digitally Signing? ............................................................. 8 1.5.4 What is an Electronic Signature? ..................................................... 9 Simple Electronic Signature ..................................................... 9 Advanced Electronic Signature ................................................. 10 Qualified Electronic Signature .................................................. 10 1.5.5 How to Create Electronic Signatures ................................................. 11 Preparation Steps ............................................................ 11 Application of the Signature ................................................... 11 2 Installation ........................................................................ 13 2.1 Overview ........................................................................... 13 2.2 Windows ........................................................................... 13 2.3 Uninstall ........................................................................... 13 2.4 Note about the Evaluation License ...................................................... 14 2.5 Special Directories .................................................................. 14 2.5.1 Directory for temporary files ....................................................... 14 2.5.2 Cache Directory ................................................................. 14 2.5.3 Font Directories ................................................................. 14 3 License Management ................................................................ 16 3.1 License Features .................................................................... 16 4 Getting Started ..................................................................... 17 4.1 Configuration ....................................................................... 17 4.1.1 Retrieve Information about Available Options and Settings .............................. 18 4.2 Managing the Service ................................................................ 18 4.2.1 State Diagram of the Service ....................................................... 19 4.3 Using the Service .................................................................... 20 4.4 Log Files ........................................................................... 21 5 User’s Guide ....................................................................... 22 5.1 Process Description .................................................................. 22 5.1.1 Conversion Steps ................................................................ 23 5.1.2 Conversion Errors ................................................................ 23 Handling Conversion Errors .................................................... 24 5.1.3 Post Analysis .................................................................... 24 © PDF Tools AG – Premium PDF Technology 3­Heights® PDF to PDF/A Converter Service, September 16, 2021 | 1/80 5.2 What is PDF/A? ...................................................................... 24 5.2.1 PDF/A­1 ........................................................................ 25 5.2.2 What is the difference between PDF/A­1b and PDF/A­1a? ............................... 25 5.2.3 PDF/A­2 ........................................................................ 25 5.2.4 PDF/A­3 ........................................................................ 26 5.3 Color Spaces ........................................................................ 26 5.3.1 Colors in PDF .................................................................... 26 ICC Color Profiles ............................................................ 26 PDF/A Requirements ......................................................... 27 5.4 Fonts .............................................................................. 27 5.4.1 Font Cache .................................................................... 28 5.4.2 Font Configuration File fonts.ini .................................................... 28 5.5 Cryptographic Provider ............................................................... 29 5.5.1 PKCS#11 Provider ............................................................... 29 Configuration ............................................................... 29 Interoperability Support ...................................................... 30 Selecting a Certificate for Signing ............................................... 30 Using PKCS#11 stores with missing issuer certificates ............................... 31 Cryptographic Suites ......................................................... 31 5.5.2 Windows Cryptographic Provider ................................................... 32 Configuration ............................................................... 32 Selecting a Certificate for Signing ............................................... 33 Certificates ................................................................. 33 Qualified Certificates ......................................................... 36 Cryptographic Suites ......................................................... 36 5.5.3 myBica Digital Signing Service ..................................................... 36 5.5.4 QuoVadis sealsign ............................................................... 38 5.5.5 Swisscom All­in Signing Service .................................................... 39 General Properties ........................................................... 39 Provider Session Properties .................................................... 40 On­Demand Certificates ....................................................... 40 Step­Up Authorization using Mobile­ID .......................................... 41 5.5.6 GlobalSign Digital Signing Service .................................................. 41 5.6 How to Create Digital Signatures ........................................................ 43 5.6.1 How to Create a PAdES Signature ................................................... 43 Create a PAdES­B­B Signature .................................................. 45 Create a PAdES­B­T Signature .................................................. 45 5.6.2 How to Create a Visual Appearance of a Signature ...................................... 45 5.6.3 Miscellaneous ................................................................... 46 Caching of CRLs, OCSP, and Time­stamp Reponses ................................. 46 How to Use a Proxy ........................................................... 46 Configuration of Proxy Server and Firewall ........................................ 47 Setting the Signature Build Properties ........................................... 47 5.7 How to Validate Digital Signatures ...................................................... 47 5.7.1 Validation of a Qualified Electronic Signature .......................................... 47 Trust Chain ................................................................. 47 Revocation Information ....................................................... 48 Time­stamp ................................................................ 49 5.7.2 Validation of a PAdES LTV Signature ................................................. 50 Trust Chain ................................................................. 50 Revocation Information ....................................................... 50 Time­stamp ................................................................ 51 © PDF Tools AG – Premium PDF Technology 3­Heights® PDF to PDF/A Converter Service, September 16, 2021 | 2/80 LTV Expiration Date .......................................................... 51 Other PAdES Requirements .................................................... 51 6 Interface Reference ................................................................. 52 6.1 Service Control Commands ............................................................ 52 6.1.1 ­a Pause Service ................................................................ 52 6.1.2 ­c Create Service ............................................................... 52 6.1.3 ­d Delete Service ............................................................... 52 6.1.4 ­i List the Usage ..............................................................