What is a digital certificate?

Escrito por: Patricia Nuño Fecha Monday 31, December 2018 Categoría: Digital Certificate, Digital security, General

With the total immersion that we have in the digital worl, it’s essential to have a digital certificate. In this article, we tell you what is a digital certificate and why it’s so necessary to ensure the security of your digital identity.

What is a digital certificate?

A digital certificate is the only way, with full legal validity, to guarantee the identity of a user in the web world. It’s almost a mandatory condition for Public Administrations, to be able to offer aIcono representativo certificado digital y seguridad digital para los usuarios. safe service to users. In March of 2018 came into force the law by which any administrative procress must be managed with the Public Administrations telematically, so that digital certificates have become essential in our daily lives.

A digital certificate consists of two keys, one public and one private. These keys are mathematical algorithms, linked to each other, so in order to have access to a document encrypted with a private key, it is essential to know the public key. Once the identity of the user has been verified, the certifying authorities are responsible for issuing digital certificates and the keys for their use.

There are several types of digital certificates, although the most widespread by use are: the digital certificate of physical person and the digital certificate of company. There are also different certification authorities that can issue a digital certificate, among them, the best known is the FNMT or the National Mint.

A digital certificate is the unequivocal, legal and juridical way of associating a person with his digital identity.

If at any time the private key has been lost or stolen, the digital certificate must be revoked in order to generate a new one to ensure the digital security.

The public key of the digital certificate will be stored in a public access network together with the user’s data, such as name and surname.

Use of digital certificates

firma digital mediante certificados en la nube IVNOSYS SOLUCIONESWith all this data, we could already carry out digital signature processes with electronic certificates, thus complying, if you are a company, SME or freelancer, with the current legislative requirements.

The format of the digital certificates is defined by the international standard ITU-T X.509, which ensures the interoperability of its use between different platforms and administrations.

Another widespread use of digital certificates, beyond the electronic signature, is the possibility of sending encrypted messages. Using the public key of a digital certificate, it’s possible to encrypt that message and send it to the holder of the certificate, who will be the only person who can truly decrypt the content with his private key.

The electronic signature with digital certificates is a clear competitive advantage if you are an SME or freelancer, since you will save a lot of time by being able to carry out any procedure telematically. Ivnosys offers you agile, secure and innovative solutions in the use of digital certificates and electronic signatures.

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