Much as a passport certifies one's identity as a citizen of a country,the purpose of a digital certificate is to establish the identity of users within the ecosystem.
Digital certificate- MDN Web Docs Glossary: Definitions of Web-related terms|MDN A digital certificate is a data file that binds a publicly known cryptographic key to an organization.
Digital certificates would ensure a level of trust in an IoT device that may otherwise be lacking and, when combined with IoT applications to monitor the infrastructure, could identify and prevent access to uncertified devices with weak security.
Digital certificates are often used in Internet protocols for key management and for authenticating a party with whom you are communicating, possibly before granting access to network services or trusting the party with private data such as credit card information.
This certificate proves that Sumika Chemical Analysis Service, Ltd. is the actual operator of the website for user access and proves that it is safe to use online.
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