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Digital signature error

error for digital signature.
please check attached file.

cf) uploaded from esign0 file using aspose.esign0.pdf (67.6 KB)

error message :
Error during signature verification.
Signature contains incorrect, unrecognized, corrupted or suspicious data.
Support Information: SigDict /Contents illegal data

esign.Pdf (68.1 KB)

@Lay_Kim

Please create a standalone console application (source code without compilation errors) that helps us to reproduce your problem on our end and attach it here for testing. We will investigate the issue and provide you more information on it. Thanks for your cooperation.