How to sign a document with an electronic signature: step-by-step instructions

Electronic signature (ES) allows people to sign documents electronically. It provides a high level of document security and uses cryptographic methods to protect the document from forgery, alteration or unauthorized access. This is important for sensitive documents such as contracts, financial statements and personal data. 

How to sign a document with an electronic signature in Diya

EP allows you to sign documents electronically, without having to print, sign manually or scan them. This greatly simplifies and speeds up the document flow process. 

Instructions on how to sign a document with an electronic signature in Diya:

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• Go to the website Do this and log in using BankID or MobileID. 
• Select the section “Electronic signatures”. 
• Press the “Sign the document” button. 
• Select the file with the document you want to sign. 
• Select the type of electronic signature you want to use. 
• Enter the PIN code of your electronic signature. 
• Click the “Sign” button. 
• Download the signed document. 

If everything was done correctly, a separate window will appear where it will be written “the document was successfully signed”. This file is an official document with a signature. 

Using electronic signature allows you to save time and money associated with traditional methods of signing documents. You don't need to waste time printing, signing and delivering documents. 

How to sign a document with an electronic digital signature using the Central Certification Authority

To sign a document with an electronic signature (ES) on the Central Administration website, you will need:

• Qualified ES certificate. 
• Registered ES key. 
• The document you want to sign. 

Step-by-step instructions on how to sign a document with an electronic signature in Ukraine on the TsUO website:

1. Go to the website TsUO. 
2. Press the “Sign the document” button. 
3. Select how to download the document from a file or cloud storage. 
4. Select the ES key that is installed on your computer or the ES key that is stored in the cloud service. 
5. Enter the PIN code of your electronic key. 
6. Click the “Sign” button. 
7. Download the signed document. 
8. Open the signed document. 

EP can be used from anywhere in the world where there is access to the Internet. This is especially convenient for people who travel frequently or work remotely.