Contents
- 1 What is subordinate certificate authority?
- 2 Is Certificate Authority data a secret?
- 3 What does it mean when my phone says Network may be monitored?
- 4 Where does a subordinate CA get its certificate from?
- 5 Are there any limits on issuing subordinate certificates?
- 6 How to issue CA certificate from offline root CA?
A CA certified by another is called a subordinate CA. A CA that is not certified by any other, but relies solely on its own reputation, is called a root CA. This chain of certificates is called the certification path. Thus a PKI is hierarchical.
Is Certificate Authority data a secret?
A Certificate Authority (CA) issues digital certificates that contain a public key and the identity of the owner. The matching private key is not made available publicly, but kept secret by the end user who generated the key pair.
What is the purpose of subordinate CA?
A hosted subordinate CA typically allows organizations to issue and manage the lifecycle of end-entity certificates via a web-based interface and/or API offered by the host.
What does it mean when my phone says Network may be monitored?
Google added this network monitoring warning as part of the Android KitKat (4.4) security enhancements. This warning indicates that a device has at least one user-installed certificate, which could be used by malware to monitor encrypted network traffic.
Where does a subordinate CA get its certificate from?
The first subordinate CA in a hierarchy obtains its CA certificate from the root CA. This first subordinate CA can use this key to issue certificates that verify the integrity of another subordinate CA. These higher subordinate CAs are referred to as intermediate CAs.
Why do you need a subordinate CA for SSL?
With a subordinate CA signed by a public root CA, these companies can issue publicly trusted certificates in their own name, at will, without having to establish their own root CA in browser and operating system root stores or investing heavily in PKI infrastructure. Client Authentication.
Are there any limits on issuing subordinate certificates?
Where pathLenConstraint does not appear, no limit is imposed. In other words, there may be no further issuing CAs beyond our existing issuing subordinates. One way to check for basic constraints of an existing subordinate certificate is to open the certificate and view its Basic Constraints field under the “Details” tab:
How to issue CA certificate from offline root CA?
However, because the offline root CA is exactly that, an offline (Off-Domain) root CA, it does not have access to any of the certificate templates which are available to the issuing CAs via ActiveDirectory. Well, using Certreq it is possible to build a “custom-templated” CSR.