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HTTP Public Key Pinning

You can use this free and open source code to declare that a website's HTTPS certificate should only be treated as valid if the public key is contained in a list specified over HTTP to prevent MITM attacks that use valid CA-issued certificates.

Last updated on : 2023-03-20

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 111

2 - 113

35 - 71

4 - 114

38 - 71

3.2 - 16.4

9.5 - 95

23 - 23

25 - 65

Fully Supported

Partially

No Support

Browser Compatibility

HTTP Public Key Pinning on IE is not supported on any IE versions.

HTTP Public Key Pinning on Edge is not supported on any Edge versions.

HTTP Public Key Pinning on Firefox is fully supported on 35-71, and not supported on 2-113 Firefox versions.

HTTP Public Key Pinning on Chrome is fully supported on 38-71, and not supported on 4-114 Chrome versions.

HTTP Public Key Pinning on Safari is not supported on any Safari versions.

HTTP Public Key Pinning on Opera is fully supported on 25-65, partially supported on 23-23, and not supported on 9.5-95 Opera versions.

HTTP Public Key Pinning on Safari on iOS is not supported on any Safari on iOS versions.

HTTP Public Key Pinning on Android Browser is not supported on any Android Browser versions.

HTTP Public Key Pinning on Opera Mobile is not supported on any Opera Mobile versions.

HTTP Public Key Pinning on Chrome for Android is not supported on any Chrome for Android versions.

HTTP Public Key Pinning on Firefox for Android is not supported on any Firefox for Android versions.

HTTP Public Key Pinning on Samsung Internet is fully supported on 4-10.1, and not supported on 11.1-20 Samsung Internet versions.

Browser Support for HTTP Public Key Pinning

HTTP Public Key Pinning on Chrome

HTTP Public Key Pinning on Safari

HTTP Public Key Pinning on Firefox

HTTP Public Key Pinning on Internet Explorer

HTTP Public Key Pinning on Opera

HTTP Public Key Pinning on Edge

References

Data sourced from

Low

Overall Browser Compatibility Score

Note:HTTP Public Key Pinning shows a browser compatibility score of 0. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

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