Certification authorities (CAs) are trusted entities that issue digital certificates.
The digital certificate certifies the possession of the public key by the subject (user, company, or system) specified in the certificate. (P.3074/3058)
In a Public Key Infrastructure (PKI), a Certification Authority (CA) is responsible for vouching for the identity of individuals, companies, or entities. The CA issues digital certificates that bind a public key to a specific identity, verifying the authenticity of that identity. This process ensures the trustworthiness of the parties involved in digital communications and transactions.
Components of PKI
Certificate Management System: Generates, distributes, stores, and verifies certificates.
Digital Certificates: Establishes credentials of a person when performing online transactions.
Validation Authority (VA): Stores certificates (with their public keys).
Certification Authority (CA): Issues and verifies digital certificates.
End User: Requests, manages, and uses certificates .
Registration Authority (RA): Acts as the verifier for the CA,
C
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