Differences between the CA certificate, local certificate, and self-signed certificate

2

1. Self-signed certificate
A self-signed certificate is called a root device. It is signed by the same entity whose identity it certifies.
When an applicant cannot apply for a local certificate from a CA, the applicant can use a self-signed certificate generated by the device to implement a simple certificate issuing function.
The device does not implement lifecycle management, such as certificate updates and certificate revocation, for the self-signed certificates generated by other devices.
2. CA certificate
.It is used to verify a CA's identity. If the PKI system does not have multiple CAs, the CA certificate is a self-signed certificate. If the PKI system has multiple CAs, a CA hierarchy is formed. At the top of the hierarchy is a root CA, which has a self-signed certificate.
An applicant determines whether to trust a CA by verifying the digital signature of the CA. Any applicant can obtain a CA certificate (including the public key) to verify the issued local certificate.
3. Local certificate
It is a certificate issued by the CA to an applicant.
4. Local certificate
A device certificate is issued by a PKI entity with a certificate authority (CA) signature. The issuer name of the certificate is the name of the CA server.
When an applicant cannot apply for a local certificate from a CA, the applicant can use a self-signed certificate generated by the device to implement a simple certificate issuing function.

Other related questions:
whether can use AnyOffice default device CA certificate and device certificate
AnyOffice default device CA certificate and certificate cannot be used. Need to re create the certificate and upload.

If you have more questions, you can seek help from following ways:
To iKnow To Live Chat
Scroll to top