Digital Certificates and Public Keys
Enterprise PKI
The Key Bridge Enterprise PKI is a three-tier infrastructure with our self-signed Root Certificate Authority (CA) at tier 1 and intermediate CAs at tier 2.
The Key Bridge Enterprise PKI is used to issue cryptographic certificates and tokens for bilateral trust transactions. It is used extensively in our OpenId and Security Token Service.
Download the Key Bridge Root certificate.
Key Bridge ROOT CA
Subject nameCN=Key Bridge ROOT CA,O=Key Bridge Wireless LLC,L=Virginia,C=US
Valid from2026-10-26 to 2076-10-26(50 years)
Serial number18:e0:23:1a:b8:88:ff:9f:bf:65:6d:5e:9c:27:04:d4
SHA1 Thumbprint:d3:a9:9d:77:ce:39:e2:06:91:fa:27:a2:ff:c5:51:18:5c:f1:14:9d
WInnForum Compatible PKI
The Key Bridge PKI establishes a bilateral trust relationship with Key Bridge.
Our certificates may not be honored by other SAS administrators.
The Key Bridge CBRS PKI is a three-tier infrastructure with our self-signed CBRS Root Certificate Authority (CA) at tier 1 and our intermediate CAs at tier 2. Our intermediate CAs issue standards compliant X.509 certificates that you can use.
The Key Bridge CBRS PKI supports 4 cryptographic identity profiles anchored by our CBRS Root CA.
- Spectrum Access Server (SAS)
- Certified Professional Installer (CPI)
- Citizens Band Service Device (CBSD)
- Domain Proxy (DP)
Download the Key Bridge CBRS ROOT certificate.
Key Bridge CBRS ROOT CA
Subject nameCN=Key Bridge CBRS ROOT CA,O=Key Bridge Wireless LLC,L=Virginia,C=US
Valid from2026-10-26 to 2076-10-26(50 years)
Serial number15:27:b5:e9:5e:d9:95:8c:b2:4a:d9:dd:3f:f2:11:9c
SHA1 Thumbprint:3e:a4:73:9a:90:27:26:05:59:ec:a1:75:27:ad:f7:53:e1:65:e7:18
Licensing
Key Bridge does not charge or require any special license agreement for the use and/or distribution of our root certificates.
Additional Information
Please contact us if you have any questions about the Key Bridge root certificate(s), if your organization requires a license agreement to include Key Bridge root certificates in your application, you would like to be added to our supported applications list, if you are having trouble downloading our root certificate(s), or would like to speak to us about your security needs.