The Joy of Cryptanalysis

It is easiest to break affine cyphers with a letter frequency list, such as the short one Keith compiled [pdf]

Try to break the following then determine who said it and when.

  1. Ijtajiipajt aq roi lpkniqqakjzg zjf qxqrihzrae zllgaezrakj kn qeaijei rk roi innaeaijr sragayzrakj kn jzrspzg piqkspeiq rk lpkfsei vizgro.
  2. Kju avg ipkg evmy rvmagye rka nv wvy evm, kju ipkg evm rka nv wvy evmy rvmagye. Qe wlccvi rfgfdlaj vw gpl ivycn: kju avg ipkg Kqlyfrk ifcc nv wvy evm, zmg ipkg gvolgply il rka nv wvy gpl wyllnvq vw qka.
  3. Gme mfmxk zhewlz pzlr, rsmesmx we rwvsmv nv rmgg lx wgg, eshe rm vshgg chk hzk cxwdm, omhx hzk onxqmz, amme hzk shxqvswc, vncclxe hzk bxwmzq, lcclvm hzk blm, el hvvnxm esm vnxfwfhg hzq esm vnddmvv lb gwomxek.
  4. Isr tq ykp xks, mkjrcjsh cj vbtr xks btuh fhtpjho tjo btuh ycpgfx ihfchuho, ejkvcja ypkg vbkg xks fhtpjho cr tjo bkv ypkg mbcfobkko xks btuh ihhj tmnstcjrho vcrb rbh qtmpho vpcrcjaq, vbcmb tph tifh rk gteh xks vcqh ykp qtfutrckj rbpksab ytcrb cj Mbpcqr Dhqsq. Tff Qmpclrsph cq iphtrbho ksr ix Ako tjo lpkycrtifh ykp rhtmbcja, ykp phlpkky, ykp mkpphmrckj, tjo ykp rptcjcja cj pcabrhksqjhqq, rbtr rbh gtj ky Ako gtx ih mkglfhrh, hnscllho ykp huhpx akko vkpe.
  5. Eds xfq uiki sies wd mti mkilgellil eds lwdl wd utwht xfq fdhi uebzis, afbbfuwdn mti hfqkli fa mtwl ufkbs, afbbfuwdn mti gkwdhi fa mti gfuik fa mti ewk, mti lgwkwm mtem wl dfu em ufkz wd mti lfdl fa swlfpiswidhió ecfdn utfc ui ebb fdhi bwris wd mti gellwfdl fa fqk abilt, hekkxwdn fqm mti silwkil fa mti pfsx eds mti cwds, eds uiki px demqki htwbskid fa ukemt, bwzi mti kilm fa cedzwds. Pqm Nfs, piwdn kwht wd cikhx, piheqli fa mti nkiem bfri uwmt utwht ti bfris ql, irid utid ui uiki sies wd fqk mkilgellil, cesi ql ebwri mfnimtik uwmt Htkwlmópx nkehi xfq teri piid lerisó eds kewlis ql qg uwmt twc eds liemis ql uwmt twc wd mti tieridbx gbehil wd Htkwlm Oilql, lf mtem wd mti hfcwdn enil ti cwntm ltfu mti wccielqkepbi kwhtil fa twl nkehi wd zwdsdill mfueks ql wd Htkwlm Oilql. Afk px nkehi xfq teri piid leris mtkfqnt aewmt. Eds mtwl wl dfm xfqk fud sfwdn; wm wl mti nwam fa Nfs, dfm e kilqbm fa ufkzl, lf mtem df fdi cex pfelm. Afk ui eki twl ufkzcedltwg, hkiemis wd Htkwlm Oilql afk nffs ufkzl, utwht Nfs gkigekis piafkiteds, mtem ui ltfqbs uebz wd mtic.
A= B= C= D= E= F= G= H= I=
J= K= L= M= N= O= P= Q= R=
S= T= U= V= W= X= Y= Z=
Code:
Plain: