class ROTP::HOTP
Public Instance Methods
at(count, padding=true)
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provisioning_uri(name, initial_count=0)
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Returns the provisioning URI for the OTP This can then be encoded in a QR Code and used to provision the Google Authenticator app @param [String] name of the account @param [Integer] initial_count starting counter value, defaults to 0 @return [String] provisioning uri
# File lib/rotp/hotp.rb, line 40 def provisioning_uri(name, initial_count=0) encode_params("otpauth://hotp/#{URI.encode(name)}", :secret=>secret, :counter=>initial_count) end
verify(otp, counter)
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verify_with_retries(otp, initial_count, retries = 1)
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Verifies the OTP passed in against the current time OTP, with a given number of retries. Returns the counter that was verified successfully @param [String/Integer] otp the OTP to check against @param [Integer] initial counter the counter of the OTP @param [Integer] number of retries
# File lib/rotp/hotp.rb, line 23 def verify_with_retries(otp, initial_count, retries = 1) return false if retries <= 0 1.upto(retries) do |counter| current_counter = initial_count + counter return current_counter if verify(otp, current_counter) end false end