“How to make a digital signature?” If you are wondering, you are in the right place! Check out the steps below to create a digital signature that will guarantee the authenticity and reliability of the online documents you need to send.

It’s worth noting that a digital signature is a type of electronic signature, okay? It is based on an asymmetric encryption system. Issuing a digital signature generates new unique and interlinked key pairs for each document.

The technology used ensures the integrity of the files and makes it almost impossible to tamper with the files after signing. For this reason, digital signature is equivalent to physical signature As envisaged by Decree No. 10,543 of 11/13/2020.

With that in mind, let’s move on to today’s tutorial!

Step 1) Obtain a digital certificate from a Certificate Authority (CA)

Digital certificates can be self-issued or obtained from an official Certificate Authority (CA). It is these certificates that identify the issuer of the digital signature that enables the person or company to be recognized.

It is important to be prepared for a cost ranging from R$250 to R$600 to have a digital certificate. Choose companies accredited by ICP-Brasil (Brazilian Public Key Infrastructure) and see which digital certificate type is best for you:

  • A1 digital certificate valid for 1 year and stored in hardware;
  • The A3 digital certificate is valid for up to 3 years and requires a card/token/cloud to be stored.

Step 2) Protect your private and public keys

After you create a digital certificate for an individual or legal entity, you will receive two keys. As the name suggests, the private key must be secret and cannot be shared with anyone.

The public key will be used by the issuer and recipient of the document for the correct verification of the digital signature to be generated.

Step 3) Research about digital signature services

There are many digital signature services, both free and paid, on the Internet. Before choosing one of them, carefully read what each service offers and whether the number of digital signatures that will be issued meets your needs.

Step 4) Send the file to get the signature

In general, online files that can be uploaded to the digital signature platform have one of the following extensions: .doc, .docx, .pdf, or .odt.

Step 5) Download the signed document

After the file is attached and digitally signed, the document can be downloaded to your computer, tablet or mobile phone.

Step 6) Check the digital signature found on the document

Make sure your digital signature is working properly. To do this, submit the document to the signature portal Gov.br and tick the “Digital signer” field.

Another alternative is open file in pdf readersLike Acrobat Reader and look at the program’s “Signatures Panel”.

Now that you’ve learned how to sign digitally, it will become your best friend when dealing with electronic mail authentication, judicial processing, and submission of the Income Tax Annual Correction Statement (DIRPF)!

Source: Tec Mundo

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I am a passionate and hardworking journalist with an eye for detail. I specialize in the field of news reporting, and have been writing for Gadget Onus, a renowned online news site, since 2019. As the author of their Hot News section, I’m proud to be at the forefront of today’s headlines and current affairs.

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