class SecondFactor::HOTP
Public Class Methods
generate(secret_based, step)
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# File lib/secondfactor/hotp.rb, line 3 def self.generate(secret_based, step) hmac = SecondFactor::OTP.generate_hmac(secret_based, step) hotp = (hmac % 10 ** 6).to_s.rjust(6, '0') return hotp end
verify(secret_based, step, token)
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# File lib/secondfactor/hotp.rb, line 9 def self.verify(secret_based, step, token) challenge = self.generate(secret_based, step) return challenge == token end