16.0.2

📅 2021-03-31

New features

PDF digital signature

Starting with this release, the iDRS is now able to apply a digital signature with visible content to output PDFs.

The digital signature can be customized in terms of size and content, and you can specify on which page of the output document it should appear.

The possibility to apply several digital signatures on the output PDF is also introduced.

Caution

Applying multiple signatures on output PDF Be aware that for the moment, when applying several signatures to a PDF, only the last one is considered valid when you open the document with Acrobat Reader software.

For this feature, the API is changed as follows:

• The class CSignatureContent allows to describe a digital signature’s appearance and can be set via method CCertificationParameters::SetSignatureContent() (C++) or property CCertificationParameters.SignatureContent (.NET).
• New accessors are created in class CPdfOutputParameters: methods GetCertificationParametersCount(), GetCertificationParametersAt(), AddCertificationParameters(), RemoveCertificationParameters(), and ClearCertificationParameters()
• The existing method CPdfOutputParameters.SetCertificationParameters() is kept and corresponds to a call to ClearCertificationParameters() followed by AddCertificationParameters() with page index 0 as argument.
• The existing method CPdfOutputParameters.GetCertificationParameters() is removed.

PDF digital signature on existing document

A new class CPdfOperation has been introduced, and exposes the operations that can be applied to existing pdf files.
Currently the only operation available through this class is digitally signing of existing pdf files CPdfOperation::ApplySignature(). The input PDF can be created by iDRS or any other pdf producer.

Caution

Note that digitally signing an existing PDF is only available on Windows platforms.

Improvements

N/A

Deprecated/removed features

Software protection license scheme

Note

From this release onwards, the iDRS software protection license scheme is deprecated for all platforms. It will be replaced later this year with a new protection license scheme. Customers using this protection license scheme should remain on 15.6.8 LTS until then.

Added/removed resources

N/A

Fixed bugs

ID	Description
IDRSRD-5941	The iDRS cannot convert a specific document to XLSX
IDRSRD-5937	The iDRS can create invalid pdf files when embedding fonts
IDRSRD-5936	Some specific TIF documents are mirrored after loading
IDRSRD-5918	PDF/A-2a documents created by the iDRS fail compliance checks of a specific validator (EOL, font descriptors)
IDRSRD-5885	The default viewer of iOS 14 and macOS 11 only shows the first page of linearized PDF created by iDRS
IDRSRD-5853	In XLSX recreate source document writer, the colors of the text is not maintained in “number” cells

Known issues

Applying multiple signatures to a PDF

As mentioned in the description of the feature, when applying several signatures to a PDF only the last one is considered valid when you open the document with Acrobat Reader software.

We aim to solve this issue with the next release.

Method CCertificationParameters.Clone()

Method CCertificationParameters.Clone() currently does not perform a deep copy of its CSignatureContent member.

Note that the Clone feature will be removed from parameterization classes in future versions as it makes sense only for classes containing processed data.

Limitation for the creation of PDFs via IStreamFactory

Output PDFs created via a call to CDocumentOutput.Save() method taking an IStreamFactory argument will not be linearized (also called ‘fast web view’) nor contain digital signatures provided as output parameters.

This limitation will be removed in future versions.