General questions

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What is a digital certificate?

A Digital Certificate is the electronic equivalent of an ID. The Digital Certificate links a cryptographic key with an identity. In this way the latter is conclusively linked to the electronic documents on which it is applied.

What is it for?

A Certificate is used for:

  • Authenticate the user’s identity, in electronic form, to third parties.
  • Sign to ensure the integrity of data transmitted and its origin digitally.
  • Encrypt data so that only the document recipient can access to its content.

The use of a certificate assures us:

  • The identity of the sender and the receiver of the information (authentication of the parties)
  • The message has not been manipulated during transmission (integrity of the transaction)
  • Only the sender and the receiver can see the information (confidentiality)
  • The receiver of the firm gets sufficient evidence to prove the relationship between the signer and the signed data (commitment or non-repudiation)

Where Can I use the Certificate?

You can review the following information to see the uses of certificates.

Uses in public administration.

Use in Chambers of Commerce.

Uses in other applications.

Which elements contain a digital certificate?

  • The identity of the holder. Membership details of the holder (business, professional association … etc).
  • The public key of the holder.
  • Specific certificate data: serial number, expiration date …
  • The identity of the certification authority that issued it.
  • The signature of the certification authority.

Who is involved in the process of issuing a certificate?

  1. Certification Authority (CA): is who issues the digital certificate and who acts as a trusted third party. In our case, the CA is AC Camerfirma SA
  2. Registration Authority (RA): Is the person or entity delegated by the CA to verify the identity of applicants and other functions within the process of issuing and managing digital certificates. The RA of Camerfirma certificates are the Chambers of Commerce or its delegated entities.
  3. Subscriber: Is the person for whom the certificate is issued.
  4. Applicant: Is the natural person that requests the certificate. It may be different than the subscriber, for example, the subscriber can be the company and the applicant an employee.
  5. User: Is the person who voluntarily chooses to rely on a certificate.

How to get the certificate of the Certification Authority?

The Certification Authority certificate is available in the “public key” area of this website.

You can get them by selecting those you want to download and following the steps that indicates your browser or directly checking here and following the steps indicated your browser.

The Certification Authority certificate is necessary for the validation of the electronic signatures.

In many commercial applications, the Certification Authority certificate of AC Camerfirma is included by default (Microsoft, Mozilla … etc.).

When a digital certificate can be issued?

The issuance can be done as long as the identity of the applicant and the data entered on the certificate can be verified reliably.

Where Camerfirma certificates are valid?

Legally by implementing the European directive on electronic signatures, the recognized certificates are valid in all adhered countries. However, they also can be used in countries that, once the governing documents used by AC Camerfirma have been evaluated (Policies and practices certification), trust certificates issued by AC Camerfirma.

What is the Camerfirma certificates added value?

The Camerfirma digital certificates:

  1. Are focused on the business target audience and their needs.
  2. Perform the validation of the data that will be included in the certificate using the network of Chambers of Commerce.
  3. Have International vocation as they are integrated into the hierarchy of European Chambers of Commerce Chambersign Certification Authorities.

Which kind of certificate should I apply for?

The certificate to request depends on what it will be used for.
The applications are which require a specific certificate or another. They evaluate the risk of the transaction and determine the certificate needed.
Using the analogy of credit cards, the store is who tells me which credit cards are accepted for purchasing.
In the Camerfirma web application section, a list of uses for each type of certificate can be found.

How much cost these certificates?

Certificate price depends on support and certificate type. Information certificate prices are updated on the website of Camerfirma or contacting

What are the steps to obtain a digital certificate?

There are several ways to get digital certificates. They are described in the AC website Camerfirma being the usual process:

  1. Request a digital certificate by completing the relevant form
  2. Show up in your Chamber of Commerce for accreditation and complete the process.
  3. Receiving the certificate
  4. Install the certificate

  1. Enter
  2. Select the certificate
  3. Click Apply button and complete the form.

Which Registration Authority corresponds to me?

Registration Authorities are determined by the ZIP code and the CIF declared in the application form. At the end of your certificate request, it will inform you about your corresponding Registration Authority.

Why do I need to register now?

Accreditation is necessary to ensure the identity of the certificate applicant, and if convenient, its representation capacity.

What documentation should I submit to the Registration Authority?

In the website of Camerfirma, you can find the documentation needed to apply for digital certificates.

How to install my certificate?

In,, you can find several installation guides that cover most of existing operating system and internet browsers.

How to check if the certificate is correctly installed in Windows

1. Access the Control Panel, and select Internet Options-> click on the Content tab and click the Certificates button. Your certificate should appear on the Personal tab.

2. You can verify that your certificate is installed correctly by accessing the demo Camerfirma Virtual Store. In virtual store will ask you to select your certificate and enter your personal password for this certificate (if your certificate is in software support, you will be asked for a personal password if you set “high security” during installation of the certificate, on the contrary, if your certificate is in the hardware support you will asked for your card PIN). You will see “Dear … and the user’s name) This is a check to verify your certificate is installed correctly (it has accessed to your private key to get authentication in the Virtual Store).

How to check the expiration date of my certificate?

Through Microsoft Internet Explorer:

In order to check personal certificates expiration through Internet Explorer the following steps must be taken :

  • Access to Tools, Internet Options.
  • Once there, select the Content tab. In the section of certificates, press Certificates button and once in the window click the Personal tab.
  • At this point you will be shown a screen with a list of personal certificates installed on your browser.
  • Select the certificate you want to check the expiration, click View, select the Details tab and select Valid To.

Through Mozilla Firefox:

In order to check personal certificates expiration through Mozilla the following steps must be taken :

  • Click the Tools / Options / Advanced in the browser toolbar.
  • Once in this window select the option to View Certificates and “Your Certificates”.
  • Once in this window select the option to View Certificates and “Your Certificates”.
  • Select the certificate which you want to check the expiration and press the View button.
  • At this point a dialog box which will display the information of “Validity” of the certificate

How can I obtain a new certificate if the former one is inoperative?

If you are in possession of a certificate but for some reason you cannot use it, you can request a new one following the next steps:

STEP 1. Revoke the old certificate. For more information. See How can I revoke my certificate?

STEP 2: Request a new certificate. For more information see What steps do I have to follow to get a certificate?

In both cases, it will not be necessary to re-submit all documentation but you need to show up in the Registration Authority with his ID card, passport or residence card

How do I find that my certificate expires?

Camerfirma sends multiple reminder emails a month before expiration. You can also check the expiration date of your certificate by yourself. See How can I check the expiration date of my certificate?

How can I renew my certificate?

These are the steps to follows:

1. Request your web user certificate through the renewal form. You must access to this form identifying you with the certificate to renew.
2. Download your certificate renewed.

Access to the service of renewal.

Can I have more than one certificate installed on my browser?

Yes, you can have more than one and can be distinguished by the issuer and its subject.

Can I have the same certificate on multiple browsers?

Yes, once you have downloaded the certificate, you can install it on multiple browsers if a backup is available.

How I can obtain a new certificate if the previous is going to expire?

Accessing to the renewal form with your previous certificate still valid. See how can I renew my certificate?

How do I identify to obtain a certificate renewal

For certificate renewal, it will not be necessary to shown up in the chamber for identification. It must be only needed if they have been more than 5 years since the last identification.

Is it possible to convert a card certificate into a software certificate?

Yes, with a certificate in card you can apply for one in software.


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