The best implementations of Google's two factor certified Python

This version should be the best implementation, add four time points on this, you can use in the way to judge to avoid errors.

The @ code comment is actually the best explanation

Class _googletwosetpauth (object): ' Google token two authentication related ' ' Def _get_hotp_token (self, Secret, intervals_no): ' Get Htop_token Internal method algorithm:p Aram secret encoding before two authentication:p Aram intervals_no time interval ' key = Base64.b32decode (        Secret, True) msg = Struct.pack (">q", intervals_no) H = hmac.new (Key, MSG, HASHLIB.SHA1). Digest ()  o = Ord (h[19]) & h = (Struct.unpack (">i", H[o:o+4]) [0] & 0x7fffffff)% 1000000 return h def     Get_totp_token (self, secret): "Get Totop:p Aram secret two times before the authentication code, call this method ' ' # Time sample T = Time.time () t_30 = t + t_30_ = t-30 t_60 = t-60 # 90s time, the general client difference will not exceed this, more than this does not provide Method Oold = Self._get_hotp_token (Secret, Intervals_no=int (T_60)//) Old = Self._get_hotp_token (Secret, inte Rvals_no=int (t_30_)//30) now = Self._get_hotp_token (Secret, Intervals_no=int (t)//30) New = Self._get_hotp_to Ken (Secret, Intervals_no=int (t_30)//30) return oold, old, now, new Def shutff_str (self): ' Generate random string characters 16 bits ' ' src = ' abcdefg HIJKLMNOPQRSTUVWXYZ ". Upper () secret=" ". Join (Random.sample (src,16)). Replace (', ') return secret

Google two factor certified Python best implementations