RTCCertificate
        
        
          
                Baseline
                
                  Widely available
                
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      This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
* Some parts of this feature may have varying levels of support.
The RTCCertificate interface of the WebRTC API provides an object representing a certificate that an RTCPeerConnection uses to authenticate.
RTCCertificate is a serializable object, so it can be cloned with structuredClone() or copied between Workers using postMessage().
Instance properties
- RTCCertificate.expiresRead only
- 
Returns the expiration date of the certificate. 
Instance methods
- RTCCertificate.getFingerprints()
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Returns an array of certificate fingerprints, calculated using the different algorithms supported by the browser. 
Specifications
| Specification | 
|---|
| WebRTC: Real-Time Communication in Browsers> # dom-rtccertificate> | 
Browser compatibility
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