FIDO U2F API

JavaScript API to interact with Universal Second Factor (U2F) devices. This allows users to log into sites more securely using two-factor authentication with a USB dongle.

Unofficial / Note: https://fidoalliance.org/specs/fido-u2f-v1.0-nfc-bt-amendment-20150514/fido-u2f-javascript-api.html

Usage: 17.7% + 0% = 17.7%

Support summary

Notes

The U2F API is being decommissioned (only the API, not the U2F protocol) and superseded by WebAuthn.

  1. Requires the "FIDO U2F (Universal 2nd Factor)" Chrome extension
  2. Support can be enabled with the `security.webauth.u2f` flag
  3. Supported via the internal CryptoTokenExtension.

Links

Full support table

IE

5.567891011
nnnnnnn

Edge

121314151617187980818384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137
nnnnnnnyyyyyyyyyyyyyyyyyyyyyyyyyynnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Firefox

233.53.6456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dn,dyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyn,dn,dnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Chrome

4567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyn,dn,dn,dn,dn,dn,dn,dn,dnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Safari

3.13.2455.166.177.1899.11010.11111.11212.11313.11414.11515.115.2-15.315.415.515.616.016.116.216.316.416.516.617.017.117.217.317.417.517.618.018.118.218.318.418.5TP
nnnnnnnnnnnnnnnnnnyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

Opera

99.5-9.610.0-10.110.510.61111.111.511.61212.11516171819202122232425262728293031323334353637383940414243444546474849505152535455565758606263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnynyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

Safari on iOS

3.24.0-4.14.2-4.35.0-5.16.0-6.17.0-7.188.1-8.49.0-9.29.310.0-10.210.311.0-11.211.3-11.412.0-12.112.2-12.513.0-13.113.213.313.4-13.714.0-14.414.5-14.815.0-15.115.2-15.315.415.515.6-15.816.016.116.216.316.416.516.6-16.717.017.117.217.317.417.517.6-17.718.018.118.218.318.418.5
nnnnnnnnnnnnnnnnnnyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

Opera Mini

all
n

Android Browser

2.12.22.3344.14.2-4.34.44.4.3-4.4.4137
nnnnnnnnnn

Blackberry Browser

710
nn

Opera Mobile

101111.111.51212.180
nnnnnnn

Chrome for Android

137
n

Firefox for Android

139
y

IE Mobile

1011
nn

UC Browser for Android

15.5
n

Samsung Internet

45.0-5.46.2-6.47.2-7.48.29.210.111.1-11.212.013.014.015.016.017.018.019.0202122232425262728
nnnnnnnnnnnnnnnnnnnnnnnnn

QQ Browser

14.9
n

Baidu Browser

13.52
n

KaiOS Browser

2.53.0-3.1
n,dy

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