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あと otpauth uri で桁数は指定されてるのでユーザーが気にする必要がないところでもある

TOTPがベースにしてるHOTPで6桁か8桁にしてね、7桁は脆弱だよって言ってるので大体桁数の指定がされてるもんだと思っていいよ

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RECOMMENDだから必ずそうとは限らないけど大体猶予を設けてるわね

This limit can be set both forward and backward from the calculated time step on receipt of the OTP value. If the time step is 30 seconds as recommended, and the validator is set to only accept two time steps backward, then the maximum elapsed time drift would be around 89 seconds, i.e., 29 seconds in the calculated time step and 60 seconds for two backward time steps.

This would mean the validator could perform a validation against the current time and then two further validations for each backward step (for a total of 3 validations). Upon successful validation, the validation server can record the detected clock drift for the token in terms of the number of time steps. When a new OTP is received after this step, the validator can validate the OTP with the current timestamp adjusted with the recorded number of time-step clock drifts for the token.

RFC 6238: TOTP: Time-Based One-Time Password Algorithm https://www.rfc-editor.org/rfc/rfc6238#section-6

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にじさんじ麻雀見てなかったけど空星きらめの振り返り放送通知のタイトルでネタバレ食らった

ジャンルによらないファスト動画

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個人間で話したいこともなければクローズドなコミュニティにも属してないのでMatrix使う機会が欠片もない

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寄付に対するお礼のメールが商品みたいなやつ

PayPal Donateを日本でやるための回避策じゃん

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連投制限つけられるやつあった気がするけどアレは同じヘッダつけたらだっけ