How to create a free digital signature and sign documents with gov.br

In the physical world, to confirm our identity when signing documents, it is necessary to have the signature authenticated by a notary. In the virtual world, the digital signature (also called electronic signature, signature with digital certificate ou eCPF) allows proof of identity in digital documents and PDF contracts, with encryption features to attest to their authenticity.

get a electronic signature ou eCPF With a certifying company there is usually a cost. But recently, the government citizen services portal GOV.br started offering digital signatures with certificates for free. See how to use it to sign documents online:

What is a digital signature

One of the digital signature ou electronic signature is actually a certificate issued by a certifying authority, authorized by the Brazilian government, which can be used to sign digital documents in PDF or on document signing platforms. It usually has a cost and is valid for 1 year, requiring renewal by paying a new fee.

The best-known certifiers are Serasa, Sirius, Soluti and himself GOV.br. The first ones mentioned charge between R$89,00 and R$200,00 for this digital certificate, but the government portal offers the certificate at no cost.

The advantage ofsign documents with digital certificate It's about practicality, security and reduced costs, as you don't need to spend money on transportation, sending documents or notarizing documents. It's also a reliable way to eliminate archiving physical documents, keeping everything on your computer or in a cloud folder. This way, it becomes more practical to share documents and gather signatures from everyone involved.

How digital signature works

Digital signature is a method of guaranteeing the authorship and integrity of an electronic document. The issuer uses his private key — which is a unique and secret sequence of numbers and letters — to encrypt the content of the document, generating a code called a hash. This code is attached to the document.

The recipient, in turn, uses the sender's public key, which is a corresponding public sequence of numbers and letters, to decrypt the content of the document and compare the result with the hash received. If the values ​​are the same, it means that the document has not been altered and that it was signed by the real issuer.

Create your digital signature for free on gov.br

To create a free digital signature, you must have an account on the portal gov.br. Our step-by-step guide assumes that you already have an account registered on the platform, if you haven't yet, register on the platform and return to this tutorial. If you have enabled two-step verification, you will need to have the app gov.br installed on your smartphone (Available via Google Play ou App Store).

Step 1: On your device, go to the website gov.br, use your CPF e and click continue.

Step 2: Use your password to proceed, if you don't remember it, request a new password at I forgot my password

If your account has two-step verification enabled, you will need to inform the bar code available via app (Available via Google Play ou App Store).

Step 3: Search for “Electronic signature” and you will find the option “Perform electronic signature of documents”

Step 4: After locating the option, click start.

Step 5: Select the file you want to authenticate, it will be possible to select up to 10 simultaneous files.

Step 6: Once selected, it will be possible to check the file before proceeding, if it is correct, select advance.

Part 7: Choose the location where you want the document to be signed, be careful when choosing the location so as not to occupy space with an image or text.

Step 8: To validate the chosen documents, select the sign option at the bottom of the page. If you want to include any more files, you can click on upload another document at any time.

Step 9: Confirm the provider on the portal as the Gov.BR

Step 10: Confirm authorization on the portal, you will need to use the code available via the App, this code is unique and only valid for a limited period.

Step 11: To download the file, you must click on the link available on the page. The file will be automatically downloaded to the folder downloads of your computer. You can open the file with the appropriate program to view its contents.

Ready! The document you requested will be sent by email in PDF format, with a valid digital signature, and recognized by the competent bodies. With this procedure Free You can use the document for any purpose you wish, as long as you respect the legal regulations in force in the country.

Where to use digital signature

Did you know that a document that has a digital signature can be used in several cases that need proof of identity and authenticity of information? You can do many things quickly, safely and legally. For example, you can send statements online without having to physically travel to process files, documents or images. You can also enter public or private competitions with more ease and transparency. See below the types of documents that can be digitally signed:

• Authorizations
• Contracts in general
• Documents related to human resources (payroll, admission, termination)
• Rental contracts
• Income tax declaration and other services provided at the Federal Revenue Secretariat
• Bank documents
• Electronic Patient Record (EPR) Documents
• Fiscal documents
• Corporate documents
• Sending and receiving documents to notary offices
• Power of Attorney
• Medical prescription
• Terms of use (applications and services)

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Sources: Micrososft, IBM, Gov.on

reviewed by Glaucon Vital in 16 / 10 / 23.