#!/usr/bin/env python3 import random cipherpad = ( 'wkEo-ZJt!dG)49K{nX1BS$vH<&:Myf*>Ae0jQW=;|#PsO`\'%+rmb[gpqN,l6/hFC@DcUa ]z~R}"V\\iIxu?872.(TYL5_3', 'rKv`R;M/9BqAF%&tSs#Vh)dO1DZP> *fX\'u[.4lY=-mg_ci802N7LTG<]!CWo:3?{+,5Q}(@jaExn$~p\\IyHwzU"|k6Jeb', '\\pV(ZJk"WQmCn!Y,y@1d+~8s?[lNMxgHEt=uw|X:qSLjAI*}6zoF{T3#;ca)/h5%`P4$r]G\'9e2if_>UDKb7H=CT8S!', 'NZW:1}K$byP;jk)7\'`x90B|cq@iSsEnu,(l-hf.&Y_?J#R]+voQXU8mrV[!p4tg~OMez CAaGFD6H53%L/dT2<*>"{\\wI=', 'vCiJ[D_0xR32c*4.P"G{r7}E8wUgyudF+6-:B=$(sY,LkbHa#\'@Q', 'hvMX,\'4Ty;[a8/{6l~F_V"}qLI\\!@x(D7bRmUH]W15J%N0BYPkrs&9:$)Zj>u|zwQ=ieC-oGA.#?tfdcO3gp`S+En K2*<', 'jd!W5[];4\'?ghBzIFN}fAK"#`p_TqtD*1E37XGVs@0nmSe+Y6Qyo-aUu%i8c=H2vJ\\) R:MLb.9,wlO~P', '2ThtjEM+!=xXb)7,ZV{*ci3"8@_l-HS69L>]\\AUF/Q%:qD?1~m(yvO0e\'<#o$p4dnIzKP|`NrkaGg.ufCRB[; sJYwW}5&', 'vB\\5/zl-9y:Pj|=(R\'7QJI *&CTX"p0]_3.idcuOefVU#omwNZ`$Fs?L+1Sk<,b)hM4A6[Y%aDrg@~KqEW8t>H};n!2xG{', 'sFz0Bo@_HfnK>LR}qWXV+D6`Y28=4Cm~G/7-5A\\b9!a#rP.l&M$hc3ijQk;),TvUd<[:I"u1\'NZSOw]*gxtE{eJp|y (?%', 'M@,D}|LJyGO8`$*ZqH .j>c~hanG', 'xVa1\']_GU#zm+:5b@06O3Ap8=*7ZFY!H-uEQk; .q)i&rhd', 'I]Jz7AG@QX."%3Lq>METUo{Pp_ |a6<0dYVSv8:b)~W9NK`(r\'4fs&wim\\kReC2hg=HOj$1B*/nxt,;c#y+![?lFuZ-5D}', 'Rr(Ge6F Hx>q$m&C%M~Tn,:"o\'tX/*yP.{lZ!YkiVhuw_y|m};d)-7DZ"Fe/Y9 WidFN,1KsmwQ)GJM{I4:C%}#Ep(?HB/r;t.&U8o|l[\'Lg"2hRDyZ5`nbf]qjc0!zS-TkYO<_=76a\\X@$Pe3+xVvu', 'yYgjf"5VdHc#uA,W1i+v\'6|@pr{n;DJ!8(btPGaQM.LT3oe?NB/&9>Z`-}02*%x<7lsqz4OS ~E$\\R]KI[:UwC_=h)kXmF', '5:iar.{YU7mBZR@-K|2 "+~`M%8sq4JhPo<_X\\Sg3WC;Tuxz,fvEQ1p9=w}FAI&j/keD0c?)LN6OHV]lGy\'$*>nd[(tb!#' ) cipherpad_reversed = tuple({c: i for i, c in enumerate(m)} for m in cipherpad) def encrypt(plaintext: str): associator_idx = identifier_idx = random.randrange(l := len(cipherpad)) while identifier_idx == associator_idx: identifier_idx = random.randrange(l) associator = cipherpad_reversed[associator_idx] identifier = cipherpad[identifier_idx] return chr(associator_idx + 32) + ''.join(identifier[associator[i]] for i in plaintext) + chr(identifier_idx + 32) def encrypt0(plaintext: str): return f' {plaintext} ' def decrypt(ciphertext: str): associator_idx = ord(ciphertext[-1]) - 32 identifier_idx = ord(ciphertext[0]) - 32 associator = cipherpad_reversed[associator_idx] identifier = cipherpad[identifier_idx] return ''.join(identifier[associator[i]] for i in ciphertext[1:-1]) __all__ = [encrypt, encrypt0, decrypt]