Using smart card readers (DNIe) on Mac OS X [C3PO, GEMPLUS, BIT4ID].
As is the case when using cryptographic card readers on...
Using smart card readers (DNIe) on Mac OS X [C3PO, GEMPLUS, BIT4ID]. Read More »
Frequently Asked Questions (FAQs) for Developers
Are you a developer integrating our solutions? Here you will find everything you need about integration and development processes.
When opening a signed PDF document, Adobe Acrobat Reader prompts ”At least one signature has problems”What does it mean? How can I fix it?
When we open a signed PDF, Adobe displays an error...
Which certificate has been used to sign the Viafirma Applet or JNLP?
To check the certificate used to sign Viafirma’s Applet...
Which certificate has been used to sign the Viafirma Applet or JNLP? Read More »
Is it possible to configure the expiration date of a signature request in Viafirma Documents?
Yes, the expiration date of a signature request in Viafirma...
Viafirma Documents – Basic questions for developers
How are the calls between Front-end and Back-end (REST, SOAP…)?...
Viafirma Documents – Basic questions for developers Read More »
Error 100 – The certificate has not been validated correctly
There are occasions when using a digital certificate to authenticate...
Error 100 – The certificate has not been validated correctly Read More »
“There is at least one signature that presents problems”, how to solve it?
When opening a signed PDF file, Adobe Acrobat Reader may...
“There is at least one signature that presents problems”, how to solve it? Read More »
CSP, KSP and PKCS#11 modules used by Fortress
CSP (Cryptographic Service Provider)
Officially deprecated by...
Centralized certificate does not work in Fortress
If when you enter in any web with Viafirma Fortress...
Centralized certificate does not work in Fortress Read More »
Do I have to install a driver for GEMPLUS smart card readers (DNIe) on MAC?
No installation required! As with the C3PO readers, the necessary...
Do I have to install a driver for GEMPLUS smart card readers (DNIe) on MAC? Read More »
Exporting certificates and private keys on Firefox
To export personal certificates on Firefox 2.x or higher just...
Exporting certificates and private keys on Firefox Read More »
Which signature formats does Viafirma support and which one adapts to my needs?
Depending on your needs and preferences, we offer the following...
Which signature formats does Viafirma support and which one adapts to my needs? Read More »