How does a digital certificate verify the authenticity of a website and establish trust?
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How does a digital certificate verify the authenticity of a website and establish trust?
A digital certificate verifies the authenticity of a website and establishes trust through the use of public key cryptography. When a website obtains a digital certificate from a Certificate Authority (CA), it includes the website’s public key and information about the website’s domain and owner.
When a user visits the website, the website sends its digital certificate to the user’s browser. The browser then checks the certificate’s validity and confirms it is issued by a trusted CA. The browser also checks if the certificate has not expired and matches the website’s domain.
If everything checks out, the browser uses the website’s public key to establish a secure connection and encrypt data transferred between the user and the website. This process ensures that the website is authentic and trusted, providing users with confidence that their information is secure.