lib/otp/utils.rb in otp-0.0.10 vs lib/otp/utils.rb in otp-0.0.11

- old
+ new

@@ -3,38 +3,38 @@ module OTP module Utils private def otp(algorithm, secret, moving_factor, digits) - message = pack_int64(moving_factor) - digest = hmac(algorithm, secret, message) - num = pickup(digest) - return truncate(num, digits) + message = otp_pack_int64(moving_factor) + digest = otp_hmac(algorithm, secret, message) + num = otp_pickup(digest) + return otp_truncate(num, digits) end - def pack_int64(i) + def otp_pack_int64(i) return [i >> 32 & 0xffffffff, i & 0xffffffff].pack("NN") end - def hmac(algorithm, secret, text) + def otp_hmac(algorithm, secret, text) mac = OpenSSL::HMAC.new(secret, algorithm) mac << text return mac.digest end - def pickup(digest) + def otp_pickup(digest) offset = digest[-1].ord & 0xf binary = digest[offset, 4] return binary.unpack("N")[0] & 0x7fffffff end - def truncate(num, digits) + def otp_truncate(num, digits) pw = (num % (10 ** digits)).to_s pw.prepend("0") while pw.length < digits return pw end - def compare(a, b) + def otp_compare(a, b) return a.to_i == b.to_i end end end