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PDFBlackbox package

PDFBlackbox includes the components and functions, related to PDF security.

With PDFBlackbox you can perform signing, timestamping, encryption, decryption and verification of PDF (Portable Document Format) documents.

PDFBlackbox includes the following components:

Component name Summary TElPDFDocument This class incapsulates all PDF-document security and compression functions. TElPDFSecurityHandler The base class for all PDF security handlers. TElPDFPasswordSecurityHandler This security handler provides support for password-based document encryption. TElPDFPublicKeySecurityHandler This security handler implements document encryption and signing using public key.

Supplementary classes included into PDFBlackbox are

Class name Summary TElPDFFileAttachment This class represents a single file attachment to the PDF document. TElPDFImage This class stores information about the document image. TElPDFSignature This class represents a signature made over PDF document. TElPDFSignatureWidgetProps This class provides functionality to store and manage the properties of the PDF signature widget. TElPDFPermissions This class stores information about user's permissions to PDF document. TElPDFPublicKeyRecipientGroup Provides functionality to manage a group of users with the same permissions to the PDF document. TElPDFPageInfo This class specifies properties of a single page in the PDF Document. TElPDFSignatureInfo This class specifies empty signature form field. TElPDFPublicKeyRevocationInfo This class stores revocation information about a PDF signature. TElPDFRequirement This class represents a Requirement entry to the document catalog. TElPDFRequirementHandler This class represents a PDF requirement handler. PDF fonts TElPDFCustomFont The base class for PDF fonts. TElPDFCustomFontObject The base class for all PDF font objects. TElPDFSimpleFont Represents a PDF simple font. TElPDFEncoding Represents an encoding dictionary for a PDF font. TElPDFFontDescriptor Represents a font descriptor of a PDF simple font. TElPDFCompositeFont Represents a PDF composite font. TElPDFCIDFont A CIDFont is a font-like structure which describes glyphs for the character collection of a composite font. TElPDFCIDSystemInfo A CIDSystemInfo is a dictionary which specifies TElPDFCIDFontCIDFont's character collection. TElPDFCIDFontDescriptor This class describes the default metrics of a CIDFont other than its glyph widths. TElPDFMetricW TElPDFMetricW class defines glyph widths in a CIDFont. TElPDFMetricW2 TElPDFMetricW class defines vertical metrics of a CIDFont.

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