dSIG Chunk Documentation

• The specification

  PNG_Digital_Signatures.spec.pdf  | html  | doc  | odt  | txt

  PNG_dSIG_OID.txt (definition of dSIG-related ASN.1 Object Identifiers)

• Commented example

  PNG_Digital_Signatures.sample_1.2.html  | doc  | txt

  PNG_Digital_Signatures.sample.pdf  | html  | doc  | odt  | txt

• Sample images

  dsig.png (unsigned)  | dSigSigned.png (signed)

• Images with invalid dSIG chunks

  dsig_invalid_digest.png  | dsig_invalid_position.png >li>Further examples

  More examples can be found in the "examples" subdirectory of the png-dSIG CVS repository at SourceForge < png-dsig.cvs.sourceforge.net/png-dsig>.