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module U2F
##
# A representation of ClientData, chapter 7
# http://fidoalliance.org/specs/fido-u2f-raw-message-formats-v1.0-rd-20141008.pdf
class ClientData
REGISTRATION_TYP = "navigator.id.finishEnrollment".freeze
AUTHENTICATION_TYP = "navigator.id.getAssertion".freeze
attr_accessor :typ, :challenge, :origin
alias_method :type, :typ
def registration?
typ == REGISTRATION_TYP
end
def authentication?
typ == AUTHENTICATION_TYP
end
def self.load_from_json(json)
client_data = ::JSON.parse(json)
instance = new
instance.typ = client_data['typ']
instance.challenge = client_data['challenge']
instance.origin = client_data['origin']
instance
end
end
end
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