49 lines
2.8 KiB
Python
49 lines
2.8 KiB
Python
#!/usr/bin/env python3
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import random
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cipherpad = (
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'wkEo-ZJt!dG)49K{nX1BS$vH<&:Myf*>Ae0jQW=;|#PsO`\'%+rmb[gpqN,l6/hFC@DcUa ]z~R}"V\\iIxu?872.(TYL5_3',
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'rKv`R;M/9BqAF%&tSs#Vh)dO1DZP> *fX\'u[.4lY=-mg_ci802N7LTG<]!CWo:3?{+,5Q}(@jaExn$~p\\IyHwzU"|k6Jeb',
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'\\pV(ZJk"WQmCn!Y,y@1d+~8s?[lNMxgHEt=uw|X:qSLjAI*}6zoF{T3#;ca)/h5%`P4$r]G\'9e2if_>UDKb7<v0&- RBO.',
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'depjt3g4W)qD0V~NJar\\B "?OYhcu[<Ms%Z`RIL_6:]AX-zG.#}$@vk7/5x&*m;(yb2Fn+l\'PwUof1K{9,|EQi>H=CT8S!',
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'NZW:1}K$byP;jk)7\'`x90B|cq@iSsEnu,(l-hf.&Y_?J#R]+voQXU8mrV[!p4tg~OMez CAaGFD6H53%L/dT2<*>"{\\wI=',
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'vCiJ<oZ9|phXVNn)m K`t/SI%]A5qOWe\\&?;jT~M!fz1l>[D_0xR32c*4.P"G{r7}E8wUgyudF+6-:B=$(sY,LkbHa#\'@Q',
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'hvMX,\'4Ty;[a8/{6l~F_V"}qLI\\!@x(D7bRmUH]W15J%N0BYPkrs&9:$)Zj>u|zwQ=ieC-oGA.#?tfdcO3gp`S+En K2*<',
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'jd!W5[];4\'<C$/&x|rZ(k{>?ghBzIFN}fAK"#`p_TqtD*1E37XGVs@0nmSe+Y6Qyo-aUu%i8c=H2vJ\\) R:MLb.9,wlO~P',
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'2ThtjEM+!=xXb)7,ZV{*ci3"8@_l-HS69L>]\\AUF/Q%:qD?1~m(yvO0e\'<#o$p4dnIzKP|`NrkaGg.ufCRB[; sJYwW}5&',
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'vB\\5/zl-9y:Pj|=(R\'7QJI *&CTX"p0]_3.idcuOefVU#omwNZ`$Fs?L+1Sk<,b)hM4A6[Y%aDrg@~KqEW8t>H};n!2xG{',
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'sFz0Bo@_HfnK>LR}qWXV+D6`Y28=4Cm~G/7-5A\\b9!a#rP.l&M$hc3ijQk;),TvUd<[:I"u1\'NZSOw]*gxtE{eJp|y (?%',
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'M@,D}|LJyGO8`$*ZqH .j>c~h<d=fimszv[#-53F!+a;NC\'6T91IV?(0x&/{B)w"]Q\\YUWprk4:ol%g2nE7teRKbAPuS_X',
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'.mjY#_0*H<B=Q+FML6]s;r2:e8R}[ic&KA 1w{)vV5d,$u"~xD/Pg?IyfthO@CzWp%!`N4Z\'3-(o|J9XUE7k\\TlqSb>anG',
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'xVa1\']_GU<X`|\\NgM?LS9{"jT%s$}y[nvtlefB2RKJW~(/cIDCPow4,>#zm+:5b@06O3Ap8=*7ZFY!H-uEQk; .q)i&rhd',
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'I]Jz7AG@QX."%3Lq>METUo{Pp_ |a6<0dYVSv8:b)~W9NK`(r\'4fs&wim\\kReC2hg=HOj$1B*/nxt,;c#y+![?lFuZ-5D}',
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'Rr(Ge6F Hx>q$m&C%M~Tn,:"o\'tX/*yP.{lZ!YkiVhuw_<KE5a[;}W0gjsz3]@7cI2\\QN?f#4p|vb1OUBD9)=-LJA+d`S8',
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'I~k>y|m};d)-7DZ"Fe/Y<B:xwojR,Vh]O0Sc[`$sg8GXE!1&Qrzp._W%TNK(=J 3i*2abuHA4C\'?Mv\\Pq{n#56LftUl@9+',
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'~A*>9 WidFN,1KsmwQ)GJM{I4:C%}#Ep(?HB/r;t.&U8o|l[\'Lg"2hRDyZ5`nbf]qjc0!zS-TkYO<_=76a\\X@$Pe3+xVvu',
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'yYgjf"5VdHc#uA,W1i+v\'6|@pr{n;DJ!8(btPGaQM.LT3oe?NB/&9>Z`-}02*%x<7lsqz4OS ~E$\\R]KI[:UwC_=h)kXmF',
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'5:iar.{YU7mBZR@-K|2 "+~`M%8sq4JhPo<_X\\Sg3WC;Tuxz,fvEQ1p9=w}FAI&j/keD0c?)LN6OHV]lGy\'$*>nd[(tb!#'
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)
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cipherpad_reversed = tuple({c: i for i, c in enumerate(m)} for m in cipherpad)
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def encrypt(plaintext: str):
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associator_idx = identifier_idx = random.randrange(l := len(cipherpad))
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while identifier_idx == associator_idx:
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identifier_idx = random.randrange(l)
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associator = cipherpad_reversed[associator_idx]
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identifier = cipherpad[identifier_idx]
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return chr(associator_idx + 32) + ''.join(identifier[associator[i]] for i in plaintext) + chr(identifier_idx + 32)
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def encrypt0(plaintext: str):
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return f' {plaintext} '
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def decrypt(ciphertext: str):
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associator_idx = ord(ciphertext[-1]) - 32
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identifier_idx = ord(ciphertext[0]) - 32
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associator = cipherpad_reversed[associator_idx]
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identifier = cipherpad[identifier_idx]
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return ''.join(identifier[associator[i]] for i in ciphertext[1:-1])
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__all__ = [encrypt, encrypt0, decrypt]
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