Aumento tamaño inesperado de archivo pdf tras la firma digital con Adobe Acrobat DC

New Here ,
Feb 15, 2021 Feb 15, 2021

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Buenas tardes, 

Un archivo pdf de 135 kb se convierte en 1928 Kb tras la firmarlo con certificado digital con Adobe Acrobat DC.

 

Si elimino de mi Adobe acrobat DC en preferencias/firmas/identidades y certificados de confianza/ los certificados de confianza entonces el tamaño del PDF generado (correctamente firmado por mi) no se incrementa sustancialmente. ( 139kb)

 

¿ existe manera de tener esos certificados de confianza descargados ( para validar las firmas de los documentods recibidos) pero que no afecten al docuemnto firmado?

 

Un saludo.

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Security digital signatures and esignatures

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correct answers 1 Correct Answer

Adobe Employee , Apr 29, 2021 Apr 29, 2021
Hi there Hope you are doing well and sorry for the trouble. As described the file size increases after digitally signing the PDF The file size increases when signed because information is added to the PDF. The extension of the file size growth will depend on some factors such as the signature appearance, which can use an image, additional signature information (reason, location, etc.), the key algorithm used, the digital ID type, and so on. If a detailed high resolution photo is used in the ...

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New Here ,
Apr 29, 2021 Apr 29, 2021

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Hola,

Tengo el mismo problema. Cuando realizo la firma, aumenta exponencialmente de tamaño, de tal forma que la entidad receptora del documento no lo acepta por tener un "peso" excesivo. ¿Alguna solución al respecto?

 

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Adobe Employee ,
Apr 29, 2021 Apr 29, 2021

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Hi there

 

Hope you are doing well and sorry for the trouble. As described the file size increases after digitally signing the PDF

 

The file size increases when signed because information is added to the PDF.
The extension of the file size growth will depend on some factors such as the signature appearance, which can use an image, additional signature information (reason, location, etc.), the key algorithm used, the digital ID type, and so on. If a detailed high resolution photo is used in the chosen appearance instead of a 2 color gif logo, the difference in the size increase will be big.
In most of the cases the main factor affecting the file size after signed was the image used in the signature appearance.

 

Please try the following steps and see if that works for you.

Go to Edit > Preferences > Signature > Go to  'creation' tab and De-select 'Include signature's revocation status when signing'

 

For more information please check out the similar discussion https://answers.acrobatusers.com/File-size-grows-large-digitially-signed-grows-time-signed-prevented...

 

Regards

Amal

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New Here ,
Apr 29, 2021 Apr 29, 2021

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Thank you.
Applying his advice has fixed the problem.

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