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To access Portasignatures of AOC, you need to have a digital certificate. Below you will find the different options for authenticating and signing in the tool.

Authenticate with browser (Discontinued option)

The solution provider no longer supports this browser authentication and signing system. The system continues to work, but if you have any issues with it, the solution is to install the latest version of "Viafirma Desktop".

One of the options available for authenticating is with the browser. This option requires JAVA to be installed.

If you select this option, a file will be downloaded that you will have to open and run every time you want to access the tool.

You will need to go to the folder where it was saved (usually the “Downloads” folder, but it may vary depending on your browser or your personalized settings) and run the file (double-click). You will need to accept the system alerts to continue.

Once accepted, a window will open where you must select the certificate and press “Send”.

You will then be redirected to the home screen of Portasignatures of AOC.

Authenticate with Viafirma Desktop (Recommended option)

In the event of any issue with identification or signature, it is recommended to install the latest version of the Viafirma Desktop utility. If the version you are using is not the latest, update it.

The option to authenticate with Viafirma Desktop will allow you to install a component once and not have to download and re-run it every time you need to access or sign in to Portasignatures. To install the component, you need administrator permissions on the computer , but once installed it can be used without these permissions.

The first thing you will need to do is download and install the program depending on your operating system (you will only do this the first time).

Once you have downloaded the installation file, you will only have to run it and accept the different warnings from your operating system's installation wizard.

Once the installation is complete, when you enter Portasignatures again, you will be able to access using the “Authenticate with Viafirma Desktop” option:

Then the screen to choose the certificate will open directly:

Once the certificate is selected, simply press “Authenticate” and enter the PIN for use (if the certificate is software, such as a T-CAT P for example, it may not have a PIN for use). You will then be redirected to the main page of the Portasignatures of the AOC.

Sign with browser

One of the options available for signing is signing with the browser. This option requires having JAVA installed.

If you select this option, a file will be downloaded that you will need to open and run in order to sign. Each time you need to sign, you will need to download and open the file again.

You will need to go to the folder where it was saved (usually the “Downloads” folder, but it may vary depending on your browser's custom settings) and run the file (double-click). You will need to accept the system alerts to continue.

Once accepted, a window will open where you must select the certificate and press “Sign”.

If everything is correct, the system will inform you that the document has been successfully signed.

Sign with Viafirma Desktop

The option to sign with Viafirma Desktop will allow you to install a component once and not have to download and re-run it every time you need to access or sign Portasignatures. The component is the same for identification as for signature, if you have already installed it to identify yourself, you will not need to install it again.

To install the component, computer administrator permissions are required , but once installed it can be used without these permissions.

The first thing you will need to do is download and install the program depending on your operating system (you will only do this the first time).

Once you have downloaded the installation file, you will only have to run it and accept the different warnings from your operating system's installation wizard.

Once the installation is complete, when you log back into Portasignatures, you will be able to authenticate and sign using the option to authenticate or sign with Viafirma Desktop.

The screen to choose the certificate will open directly:

Once the certificate is selected, simply press “Sign” and indicate the PIN for use (if the certificate is software, such as a T-CAT P for example, it may not have a PIN for use).

If everything is correct, the system will inform you that the document has been successfully signed.

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