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Digital Signatures For Business Enablement

  • February 14, 2020

A digital signature is part of digital encryption. A signature allows people to verify the sender of e-mail, document or file without encrypting the contents. It also verifies that the contents of the file have not changed, either accidentally or maliciously during transit.

The electronic sign is often used as part of the download file to help prove that the file has not been altered and does not contain viruses. Your computer may be set to download updates and verifies the digital signature on the update before installing them on the operating system.

Image Source: Google 

A signature creates a hash or numerical value based on the contents of a file or email to be signed. Then the value is encrypted using the private key of a person. This means people can decrypt the value and recalculate it by the contents receiving files. If the value is calculated in accordance, then the file has not been altered.

This works because only the holder of the private key can encrypt the value in a way that can be decrypted by their public keys. If anyone tries to change the encrypted value, it would not be suitable because they will not have access to the keys necessary to encrypt it.

In this way, files and messages can be sent where the recipient can rely on the authenticity of the sender. This is a very important part of doing business and the acceptance and wide-scale use of electronic signatures is a key technology that will enable us to move away from paper and a more efficient system for the transaction.

Josep Lee

E-mail : info@oulipocompendium.com

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