{"id":72179,"library":"tstranex-u2f","title":"U2F Library","description":"A Go implementation of the server-side FIDO Universal 2nd Factor (U2F) specification for two-factor authentication.","status":"active","version":"1.0.0","language":"go","source_language":null,"source_url":"https://github.com/tstranex/u2f","tags":["u2f","fido","authentication","security"],"install":[{"cmd":"go get github.com/tstranex/u2f","lang":"bash","label":"Install github.com/tstranex/u2f"}],"dependencies":[],"imports":[{"symbol":"u2f","correct":"github.com/tstranex/u2f"}],"quickstart":{"code":"package main\n\nimport (\n\t\"fmt\"\n\t\"github.com/tstranex/u2f\"\n)\n\nfunc main() {\n\tappID := \"https://example.com\"\n\tchallenge, err := u2f.NewChallenge(appID, []string{appID})\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tfmt.Println(challenge)\n}","lang":"go","description":"Generate a U2F authentication challenge."},"warnings":[],"env_vars":null,"search_vec":"'2nd':13 'authent':21,24 'factor':14,20 'fido':11,23 'go':4 'implement':5 'librari':2 'secur':25 'server':9 'server-sid':8 'side':10 'specif':16 'two':19 'two-factor':18 'u2f':1,15,22 'univers':12","created_at":"2026-06-17T18:36:11.640880+00:00","updated_at":"2026-06-17T18:36:11.640880+00:00","problems":[],"ecosystem":"go","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://github.com/tstranex/u2f","github":"https://github.com/tstranex/u2f","docs":"https://pkg.go.dev/github.com/tstranex/u2f#section-documentation","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["auth"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}