雑ã«TOTPを試ã—ã¦ã¿ã‚‹ - ãƒãƒ¼ãƒ•ã‚¡ã‚¤æ—¥è¨˜2è¦ç´ èªè¨¼ã§ãŠãªã˜ã¿ã®TOTP。Railsãªã©ã§ã©ã†ä½¿ãˆã°ã„ã„ã‹ã€‚雑ã«è©¦ã™ã€‚ RFC 6238 - TOTP: Time-Based One-Time Password Algorithm Gemfile 今回ã¯rotpã¨ã„ã†gemã¨ã€äºŒæ¬¡å…ƒãƒãƒ¼ã‚³ãƒ¼ãƒ‰ï¼ˆQRコードã€ã¨ã„ã†ã¨å•†æ¨™ãªã®ã§ãƒãƒªã‚³ãƒ¬ãªè¡¨è¨˜ã‚’ã—ã¦ã„ｒ）ã®è¡¨ç¤ºã®ãŸã‚ã«rqrcode_pngを使ㆠgem 'rotp' gem 'rqrcode_png' TOTPを試㙠コンソールã§: totp = ROTP::TOTP.new("hogehogefugafuga") #=> #<ROTP::TOTP:0x007fd5fad22850 @digest="sha1", @digits=6, @interval=30, @issuer=nil, @secret="hogehogefugafuga"> totp.now #=> "241886
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