From: Neil Smith Date: Fri, 20 Nov 2015 15:44:00 +0000 (+0000) Subject: Done challenge 5 X-Git-Url: https://git.njae.me.uk/?a=commitdiff_plain;h=236b087b3891bbedca39de40f0a2cce42fbc62c8;p=cipher-tools.git Done challenge 5 --- diff --git a/2015-challenge4.ipynb b/2015-challenge4.ipynb index 201aa9c..ec3147a 100644 --- a/2015-challenge4.ipynb +++ b/2015-challenge4.ipynb @@ -19,7 +19,7 @@ }, { "cell_type": "code", - "execution_count": 6, + "execution_count": 2, "metadata": { "collapsed": false }, @@ -30,7 +30,7 @@ "(('reanimates', ), -911.6411317751041)" ] }, - "execution_count": 6, + "execution_count": 2, "metadata": {}, "output_type": "execute_result" } @@ -62,7 +62,7 @@ }, { "cell_type": "code", - "execution_count": 17, + "execution_count": 3, "metadata": { "collapsed": false }, @@ -98,7 +98,7 @@ " 'z': 'n'}" ] }, - "execution_count": 17, + "execution_count": 3, "metadata": {}, "output_type": "execute_result" } @@ -111,7 +111,7 @@ }, { "cell_type": "code", - "execution_count": 21, + "execution_count": 4, "metadata": { "collapsed": false }, @@ -147,7 +147,7 @@ " ('q', 'z')]" ] }, - "execution_count": 21, + "execution_count": 4, "metadata": {}, "output_type": "execute_result" } @@ -166,7 +166,7 @@ }, { "cell_type": "code", - "execution_count": 23, + "execution_count": 5, "metadata": { "collapsed": false }, @@ -186,7 +186,7 @@ }, { "cell_type": "code", - "execution_count": 26, + "execution_count": 6, "metadata": { "collapsed": false }, @@ -194,10 +194,10 @@ { "data": { "text/plain": [ - "(('francois', ), -1032.067747212964)" + "(('francois', ), -1082.7018217012803)" ] }, - "execution_count": 26, + "execution_count": 6, "metadata": {}, "output_type": "execute_result" } @@ -209,7 +209,7 @@ }, { "cell_type": "code", - "execution_count": 27, + "execution_count": 7, "metadata": { "collapsed": false }, @@ -218,7 +218,7 @@ "name": "stdout", "output_type": "stream", "text": [ - "r friends they plan to infiltrate the rat i lines and to try to turn the high value targets for themselves they have a particular interest in nazi scientists from the die alchemist en project if you want to break the reichs doktor network before they can do so take care not to share any intelligence with them you have been warned i think it is time to begin negotiations i have a number in mind and i think once you know what i am offering you will find it very reasonable as a sign of good faith ioffer you the following information one of the local rat i line coordinators will be leaving the us sector tomorrow night in a black limousine under the backseat of his car you will find hidden a juniors s officer who is trying to escape and in the trunk you will find a number of papers relating to stolen artworks that he hopes to trade to the french for his freedom you might want to consider carefully whether you can trust your friend charlie with this information after all her husband francois is french\n" + "the french maybe your allies but they are not your friends they plan to infiltrate the rat i lines and to try to turn the high value targets for themselves they have a particular interest in nazi scientists from the die alchemist en project if you want to break the reichs doktor network before they can do so take care not to share any intelligence with them you have been warned i think it is time to begin negotiations i have a number in mind and i think once you know what i am offering you will find it very reasonable as a sign of good faith ioffer you the following information one of the local rat i line coordinators will be leaving the us sector tomorrow night in a black limousine under the backseat of his car you will find hidden a juniors s officer who is trying to escape and in the trunk you will find a number of papers relating to stolen artworks that he hopes to trade to the french for his freedom you might want to consider carefully whether you can trust your friend charlie with this information after all her husband francois is french\n" ] } ], diff --git a/2015-challenge5.ipynb b/2015-challenge5.ipynb new file mode 100644 index 0000000..12ba698 --- /dev/null +++ b/2015-challenge5.ipynb @@ -0,0 +1,144 @@ +{ + "cells": [ + { + "cell_type": "code", + "execution_count": 3, + "metadata": { + "collapsed": false + }, + "outputs": [], + "source": [ + "import matplotlib.pyplot as plt\n", + "%matplotlib inline\n", + "\n", + "from cipherbreak import *\n", + "\n", + "c5a = open('2015/5a.ciphertext').read()\n", + "c5b = open('2015/5b.ciphertext').read()" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "data": { + "text/plain": [ + "(('cornfield', ), -1557.5551917175146)" + ] + }, + "execution_count": 4, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "(key_a_word, key_a_wrap), score = keyword_break_mp(c5a)\n", + "(key_a_word, key_a_wrap), score" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "harry, i checked out who transcribed the radio transmission like you asked. it was a junior cipher clerk in room 5. i would have offered to set up a meeting with her, but she has disappeared and hasn’t been seen since last friday. the marines saw her leave at her usual time, and she was booked out for some leave on monday and tuesday so no one noticed she was missing until today. we sent an officer out to her usual haunts and i will get back to you if we find anything. what made you ask? did you have a reason to believe she was involved in something? \n", + "\n", + "i took another look at the messages. were you referring to the typos? the word ratlines keeps being spelt as ratilines. is that important? what did you mean about our source being close to home? \n", + "\n", + "also did some digging about the reichsdoktor. seems you were right and it refers to an underground nazi organisation dedicated to rebuilding the reich. maybe they think of it as healing? a bunch of rich nazi sympathisers took over the ratlines from a group of ss officers who set them up at the tail of the war and have been active in shipping scientists, engineers and soldiers to towns across south america. if our source has inside information then maybe we could intercept the lines and pick up some of the high value targets the french are after. what was “die alchemisten project”? \n", + "\n", + "the enclosed message was handed to the marines, but they didn’t get a name. initial analysis shows it must be a vigenere cipher with period two so it should be reasonably straightforward to crack. \n", + "\n", + "all the best, charlie \n", + "\n" + ] + } + ], + "source": [ + "print(keyword_decipher(c5a, key_a_word, wrap_alphabet=key_a_wrap))" + ] + }, + { + "cell_type": "code", + "execution_count": 10, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "data": { + "text/plain": [ + "('de', -885.6842458313828)" + ] + }, + "execution_count": 10, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "key_b, score = vigenere_frequency_break(c5b, max_key_length=2)\n", + "key_b, score" + ] + }, + { + "cell_type": "code", + "execution_count": 21, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "the first item in our little auction will be the location of a safehouse in the uk sector of berlin it is a minor stopover on the rat lines but you never know you might get lucky and find someone interesting hiding there at the very least you will inconvenience the reichs doktor if you take possession of it how much would that be worth to you do i hear a bid of five hundred thousand francs from our french friends perhaps the british would pay more or maybe they can not afford to i wonder how they feel about that perhaps you should ask them if you want to outbid your so called friends then leave the money in unmarked treasury bills in locker at the far end of the platform in friedrichstrasse i will leave the details in locker you will find the key in do not try to double cross me it will not work and our little game will end before it has even properly begun\n" + ] + } + ], + "source": [ + "print(' '.join(segment(sanitise(vigenere_decipher(sanitise(c4b), key_b)))))" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], + "source": [] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 3", + "language": "python", + "name": "python3" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 3 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython3", + "version": "3.4.3" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} diff --git a/2015/4b.ciphertext b/2015/4b.ciphertext index 9b6d8ac..be1314d 100644 --- a/2015/4b.ciphertext +++ b/2015/4b.ciphertext @@ -1 +1 @@ -EOETC YNGHS CPBWF YHZTY OTWHE FHCHS CEFHT WTYCG FYNHZ HEPHZ HJEYH SCSTI SKFWJ CHFEI CHGOZ EHSCX GCWKC GHSCP SFKCF BFEHT AJWFE TYHCE CGHTY YFQTG ATCYH TGHGO EZXHS CNTCF WASCX TGHCY BEZUC AHTOP ZJLFY HHZRE CFVHS CECTA SGNZV HZEYC HLZEV RCOZE CHSCP AFYNZ GZHFV CAFEC YZHHZ GSFEC FYPTY HCWWT ICYAC LTHSH SCXPZ JSFKC RCCYL FEYCN THSTY VTHTG HTXCH ZRCIT YYCIZ HTFHT ZYGTS FKCFY JXRCE TYXTY NFYNT HSTYV ZYACP ZJVYZ LLSFH TFXZO OCETY IPZJL TWWOT YNTHK CEPEC FGZYF RWCFG FGTIY ZOIZZ NOFTH STZOO CEPZJ HSCOZ WWZLT YITYO ZEXFH TZYZY CZOHS CWZAF WEFHT WTYCA ZZENT YFHZE GLTWW RCWCF KTYIH SCJGG CAHZE HZXZE EZLYT ISHTY FRWFA VWTXZ JGTYC JYNCE HSCRF AVGCF HZOST GAFEP ZJLTW WOTYN STNNC YFUJY TZEGG ZOOTA CELSZ TGHEP TYIHZ CGAFB CFYNT YHSCH EJYVP ZJLTW WOTYN FYJXR CEZOB FBCEG ECWFH TYIHZ GHZWC YFEHL ZEVGH SFHSC SZBCG HZHEF NCHZH SCOEC YASOZ ESTGO ECCNZ XPZJX TISHL FYHHZ AZYGT NCEAF ECOJW WPLSC HSCEP ZJAFY HEJGH PZJEO ETCYN ASFEW TCLTH SHSTG TYOZE XFHTZ YFOHC EFWWS CESJG RFYNO EFYAZ TGTGO ECYAS +HSCOE CYASX FPRCP ZJEFW WTCGR JHHSC PFECY ZHPZJ EOETC YNGHS CPBWF YHZTY OTWHE FHCHS CEFHT WTYCG FYNHZ HEPHZ HJEYH SCSTI SKFWJ CHFEI CHGOZ EHSCX GCWKC GHSCP SFKCF BFEHT AJWFE TYHCE CGHTY YFQTG ATCYH TGHGO EZXHS CNTCF WASCX TGHCY BEZUC AHTOP ZJLFY HHZRE CFVHS CECTA SGNZV HZEYC HLZEV RCOZE CHSCP AFYNZ GZHFV CAFEC YZHHZ GSFEC FYPTY HCWWT ICYAC LTHSH SCXPZ JSFKC RCCYL FEYCN THSTY VTHTG HTXCH ZRCIT YYCIZ HTFHT ZYGTS FKCFY JXRCE TYXTY NFYNT HSTYV ZYACP ZJVYZ LLSFH TFXZO OCETY IPZJL TWWOT YNTHK CEPEC FGZYF RWCFG FGTIY ZOIZZ NOFTH STZOO CEPZJ HSCOZ WWZLT YITYO ZEXFH TZYZY CZOHS CWZAF WEFHT WTYCA ZZENT YFHZE GLTWW RCWCF KTYIH SCJGG CAHZE HZXZE EZLYT ISHTY FRWFA VWTXZ JGTYC JYNCE HSCRF AVGCF HZOST GAFEP ZJLTW WOTYN STNNC YFUJY TZEGG ZOOTA CELSZ TGHEP TYIHZ CGAFB CFYNT YHSCH EJYVP ZJLTW WOTYN FYJXR CEZOB FBCEG ECWFH TYIHZ GHZWC YFEHL ZEVGH SFHSC SZBCG HZHEF NCHZH SCOEC YASOZ ESTGO ECCNZ XPZJX TISHL FYHHZ AZYGT NCEAF ECOJW WPLSC HSCEP ZJAFY HEJGH PZJEO ETCYN ASFEW TCLTH SHSTG TYOZE XFHTZ YFOHC EFWWS CESJG RFYNO EFYAZ TGTGO ECYAS diff --git a/2015/5a.ciphertext b/2015/5a.ciphertext new file mode 100644 index 0000000..1d7ad3f --- /dev/null +++ b/2015/5a.ciphertext @@ -0,0 +1,9 @@ +LCAAP, D RLFRTFN XHG KLX GACWBRADOFN GLF ACNDX GACWBVDBBDXW UDTF PXH CBTFN. DG KCB C SHWDXA RDYLFA RUFAT DW AXXV 5. D KXHUN LCJF XIIFAFN GX BFG HY C VFFGDWE KDGL LFA, OHG BLF LCB NDBCYYFCAFN CWN LCBW’G OFFW BFFW BDWRF UCBG IADNCP. GLF VCADWFB BCK LFA UFCJF CG LFA HBHCU GDVF, CWN BLF KCB OXXTFN XHG IXA BXVF UFCJF XW VXWNCP CWN GHFBNCP BX WX XWF WXGDRFN BLF KCB VDBBDWE HWGDU GXNCP. KF BFWG CW XIIDRFA XHG GX LFA HBHCU LCHWGB CWN D KDUU EFG OCRT GX PXH DI KF IDWN CWPGLDWE. KLCG VCNF PXH CBT? NDN PXH LCJF C AFCBXW GX OFUDFJF BLF KCB DWJXUJFN DW BXVFGLDWE? + +D GXXT CWXGLFA UXXT CG GLF VFBBCEFB. KFAF PXH AFIFAADWE GX GLF GPYXB? GLF KXAN ACGUDWFB TFFYB OFDWE BYFUG CB ACGDUDWFB. DB GLCG DVYXAGCWG? KLCG NDN PXH VFCW COXHG XHA BXHARF OFDWE RUXBF GX LXVF? + +CUBX NDN BXVF NDEEDWE COXHG GLF AFDRLBNXTGXA. BFFVB PXH KFAF ADELG CWN DG AFIFAB GX CW HWNFAEAXHWN WCQD XAECWDBCGDXW NFNDRCGFN GX AFOHDUNDWE GLF AFDRL. VCPOF GLFP GLDWT XI DG CB LFCUDWE? C OHWRL XI ADRL WCQD BPVYCGLDBFAB GXXT XJFA GLF ACGUDWFB IAXV C EAXHY XI BB XIIDRFAB KLX BFG GLFV HY CG GLF GCDU XI GLF KCA CWN LCJF OFFW CRGDJF DW BLDYYDWE BRDFWGDBGB, FWEDWFFAB CWN BXUNDFAB GX GXKWB CRAXBB BXHGL CVFADRC. DI XHA BXHARF LCB DWBDNF DWIXAVCGDXW GLFW VCPOF KF RXHUN DWGFARFYG GLF UDWFB CWN YDRT HY BXVF XI GLF LDEL JCUHF GCAEFGB GLF IAFWRL CAF CIGFA. KLCG KCB “NDF CURLFVDBGFW YAXSFRG”? + +GLF FWRUXBFN VFBBCEF KCB LCWNFN GX GLF VCADWFB, OHG GLFP NDNW’G EFG C WCVF. DWDGDCU CWCUPBDB BLXKB DG VHBG OF C JDEFWFAF RDYLFA KDGL YFADXN GKX BX DG BLXHUN OF AFCBXWCOUP BGACDELGIXAKCAN GX RACRT. + +CUU GLF OFBG, RLCAUDF diff --git a/2015/5b.ciphertext b/2015/5b.ciphertext new file mode 100644 index 0000000..9fc6ddb --- /dev/null +++ b/2015/5b.ciphertext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diff --git a/SIGNED.md b/SIGNED.md index 3d81213..3a869e9 100644 --- a/SIGNED.md +++ b/SIGNED.md @@ -3,19 +3,19 @@ -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 -iQIcBAABCAAGBQJWSPX3AAoJEJPB2e07PgbqjqcP/idEOq0lG571tdUusLXbRf4q -Hj9e05PZFd4f907Gxvi5m5XeRWe51QeP+zSB/wju7Ly+EsmQfygzcoLOUhPkjSu4 -8354g8jtdPLkEBYvJn4RaL5njHxXuPiNnBz8vh53/XAh/skw37SoSBZtwm56C+MZ -3FCXBhvC69RvEL+I2lzLUhhO04/a5h/+X/vf95mMpQGZ0WzbbUQR1iBVngnr8r41 -fUrR/q/cek3DFtMN8g1u28U+yPXMcAYqU0/iCC9XijJVeLE4RM1tLYOayaMCGccb -Mld6VYhk3/2GAWfN/Csq+hqoWCnGgzmYEXwJ7Lj0A4GQRRkKDpgwyIKVxujv0z9j -aqSDmP2c9U4QU1RFSSJQCobeRoy7/zzSPj90S0L77rBosbpkHzkxRxSBwXUdS9h3 -SpxrbGEfHM6U8/UcTt+Xjc71+KHvM3w2xtFfRe/WLxCbO7rpbu+w/YQjqKzZ0faP -ExCjX/77CKsqFmqN6HWI72NylcpSU3IK2qegl0Exsv+E2wj2smaoGgn0KKjHTmHy -feRMqDKsQvVZPzQ8Xt5rdYogSVfYUyhh3FHts9ac0QY/SY4t1/YUsZzbYEjS+3Uf -MoG70cVpxeFGIfzpp+zIjK612yNudJ+cLkrPtN0BPKYel8H9piPjT6NY06HJWtI1 -Jf+29kgKvsPnMEtnaw/c -=CuEJ +iQIcBAABCAAGBQJWTz/TAAoJEJPB2e07PgbqmWUP/3Hps+dixX3O6YHcemin0oHv +q3DFujbaFJK+qHh6ofKMYk/vItdFE5mLXgpoSfCtn9aPyt9A8JuYnsxdpjs3Y6L5 +r+f38QUuMNa9xtqff05My4TSIjWq5XX6pM8sQE2u1t7TZEz1DVDghxb+aaFhbHK1 +fG9GvuOCo/7p+3nXAhg+JIoczYlZkN5huduAA/1w1g87rPCPQKovcQ/d17ZspqU0 +WyClNyAUiFg7sbYp+CqQqhQyYCKOe0fw9JU1Kyh23YeKMqsgS5DOu5ZW7Kl+Bcrl +qQttbt0TInHhcPMzYTYCr1ylR0uCbCkTXyEfDTjcbd9VKcILIFWLGclkew25AKRr +wmdbjfvmMpiwE5yqGh5tBpLVNZLJzQ1YoZuilNJnqQTtNN0qSB5SBKXHf+BA01tE +Ryz1SW7K0ocgyKUf5hcZv+qAfX0EfyrxDnnxgIn80Pwua42m4cYQKqNLUywPdtkE +wx9UnYirc9WnNW/ctma2b5Y0ANu4YxLMF1l9abjzzLhDXhxHdv6/2wSSPstyKOD1 +iZWHMeVQ4ntq3+S5W/TL2dKBgbDl4QUXs81aGNMQE72p1uoThFPiWWXuEwUVr+H3 +/c+2sIyGTixBKgGdP4k7TxXlhGSeL/rz61TLuziLQEDfYJrvuHKX6kW/CtkpPmIP +mO/ClCMdn+yaHmn+t07o +=xfaA -----END PGP SIGNATURE----- ``` @@ -27,139 +27,143 @@ Jf+29kgKvsPnMEtnaw/c #### Expect ``` -size exec file contents - ./ -60 .directory 0e83b2cb4dc042236e38c6f8b2575dd0e30b70d4d396795008d5fb3facea2872 -384 .gitignore a93de2ae5c2a47a38599751d1f914566569dfa09dd1778e207117db6c71421dd - 2012/ -1678 1a.ciphertext c7c16198650e7d91577683acca664a0e588ac5474046a028dea3d9dc4b388df8 -1678 1a.plaintext 1b34de5b1d1422a3089c54d751dfd3938449c98526137a0b8b3b6561a700f9b5 -3312 1b.ciphertext ec263c5cb415f99924e5744846c618b2566a072ac79f6b3cfdde294b99c491fd -3323 1b.plaintext a7fde879259e64fccca52618a9c008f2111e485ed1c6bfad863c90d8e6ceacae -1716 2a.ciphertext 2203112c5b43e09b61d8e2918554831559efc7a1157aafda85c25d5ae67f2f0f -1716 2a.plaintext 28afae88a3b3f0e553f326be7efb896587cb4ac43b9fd664d2cc3f9b2489de35 -2268 2b.ciphertext 587ba7bb4c39d6bd23cbefdcef63d1211d81f6340d401027f9b8e97c97a71b6c -2268 2b.plaintext 4ee16e37ec82a6ea5446c3d03689bcf608d7408cf79542accaabc297fe6d9f97 -1549 3a.ciphertext fcfff1c90fb5e0cb4240b0617cd7a0bfb1f81ee513a572b44562a0e9db9b4a1b -1549 3a.plaintext 54c6b1ec3364c34a824ee693c00fa41c466f4bfccad281c4111ce1966232c9f4 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