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How do digital signatures work, exactly?

Most companies worldwide have been utilizing digital signatures, especially as the effects of the pandemic unraveled. They are known to be secure, fast, and affordable. But have you ever wondered how digital signatures really work?

Each digital signature is unique to each signer. Providers like SigningCloud deploy the use of an intricate technology known as Public Key Infrastructure  (PKI) that requires the provider to use a mathematical algorithm to generate two long numbers called ‘keys’. One key is public, and one key is private.

Whenever someone electronically signs a document, the signature is created using a private key which is either securely kept by the signer or by the trusted service provider.

It has a mathematical algorithm that acts as a cipher, creating data matching the signed document called a hash which encrypts that data. The resulting data is the digital signature. 

The signature is also marked with a timestamp of the date the document was signed. If the document is modified or altered after signing, the digital signature is invalidated.

PKI requires that the keys be created, conducted, and saved in a secure manner to protect their integrity. It often requires the services of a reliable Certificate Authority (CA). Digital signature providers like SigningCloud meet the PKI requirements for safe digital signing.

If you want more details on trusted digital signature solutions, head over to www.multi.signingcloud.com for more information.

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