Stuff to do while you wait (with a message from Harry added)

[madness]

The last word is “SYSTEM”.

[madness]

Now that we have reached the end, here are the plaintexts for my challenges that Harry allowed through.
I encoded them in base64, so you don’t >cough< accidentally look at them.

Alberti part 0:
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The rest of the Alberti challenges will not be posted, because they are
also a challenge on a different site.

post 83616 first part:

QUxQSEFDSElMRFJFTldFQVJHUkVZVEhFWVdPUktNVUNISEFSREVSVEhBTldFRE9CRUNBVVNFVEhF
WVJFU09GUklHSFRGVUxMWUNMRVZFUklNUkVBTExZQVdGVUxMWUdMQURJTUFCRVRBQkVDQVVTRUlE
T05UV09SS1NPSEFSREFORFRIRU5XRUFSRU1VQ0hCRVRURVJUSEFOVEhFR0FNTUFTQU5EREVMVEFT
R0FNTUFTQVJFU1RVUElEVEhFWUFMTFdFQVJHUkVFTkFORERFTFRBQ0hJTERSRU5XRUFSS0hBS0lP
SE5PSURPTlRXQU5UVE9QTEFZV0lUSERFTFRBQ0hJTERSRU5BTkRFUFNJTE9OU0FSRVNUSUxMV09S
U0VUSEVZUkVUT09TVFVQSURUT0JFQUJMRVRPUkVBRE9SV1JJVEVCRVNJREVTVEhFWVdFQVJCTEFD
S1dISUNISVNTVUNIQUJFQVNUTFlDT0xPVVJJTVNPR0xBRElNQUJFVEE=

post 83616 second part:

QUxQSEFDSElMRFJFTldFQVJHUkVZVEhFWVdPUktNVUNISEFSREVSVEhBTldFRE9CRUNBVVNFVEhF
WVJFU09GUklHSFRGVUxMWUNMRVZFUklNUkVBTExZQVdGVUxMWUdMQURJTUFCRVRBQkVDQVVTRUlE
T05UV09SS1NPSEFSREFORFRIRU5XRUFSRU1VQ0hCRVRURVJUSEFOVEhFR0FNTUFTQU5EREVMVEFT
R0FNTUFTQVJFU1RVUElEVEhFWUFMTFdFQVJHUkVFTkFORERFTFRBQ0hJTERSRU5XRUFSS0hBS0lP
SE5PSURPTlRXQU5UVE9QTEFZV0lUSERFTFRBQ0hJTERSRU5BTkRFUFNJTE9OU0FSRVNUSUxMV09S
U0VUSEVZUkVUT09TVFVQSURUT0JFQUJMRVRPUkVBRE9SV1JJVEVCRVNJREVTVEhFWVdFQVJCTEFD
S1dISUNISVNTVUNIQUJFQVNUTFlDT0xPVVJJTVNPR0xBRElNQUJFVEFIQUhBSEFTQU1FUExBSU5U
RVhUSEFTWU9VRk9PTEVE

mirror Vigenere, part one:
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mirror Vigenere, part two:

SU5BTk9USEVSTU9NRU5UQUxJQ0VXQVNUSFJPVUdIVEhFR0xBU1NBTkRIQURKVU1QRURMSUdIVExZ
RE9XTklOVE9USEVMT09LSU5HR0xBU1NST09N

prefix-free codes, part one:

QSBIdWZmbWFuIGNvZGUgaXMgYSBwYXJ0aWN1bGFyIHR5cGUgb2Ygb3B0aW1hbCBwcmVmaXggY29k
ZSB0aGF0IGlzIGNvbW1vbmx5CnVzZWQgZm9yIGxvc3NsZXNzIGRhdGEgY29tcHJlc3Npb24uIFRo
ZSBwcm9jZXNzIG9mIGZpbmRpbmcgb3IgdXNpbmcgc3VjaCBhCmNvZGUgcHJvY2VlZHMgYnkgbWVh
bnMgb2YgSHVmZm1hbiBjb2RpbmcsIGFuIGFsZ29yaXRobSBkZXZlbG9wZWQgYnkgRGF2aWQgQS4K
SHVmZm1hbiB3aGlsZSBoZSB3YXMgYSBTYy5ELiBzdHVkZW50IGF0IE1JVCwgYW5kIHB1Ymxpc2hl
ZCBpbiB0aGUgMTk1MiBwYXBlcgoiQSBNZXRob2QgZm9yIHRoZSBDb25zdHJ1Y3Rpb24gb2YgTWlu
aW11bS1SZWR1bmRhbmN5IENvZGVzIi4K

prefix-free codes, part two:

QSBwcmVmaXggY29kZSBpcyBhIHR5cGUgb2YgY29kZSBzeXN0ZW0gdGhhdCBpcyB0eXBpY2FsbHkg
YSB2YXJpYWJsZS1sZW5ndGgKY29kZSBhbmQgaXMgZGlzdGluZ3Vpc2hlZCBieSBpdHMgcG9zc2Vz
c2lvbiBvZiB0aGUgcHJlZml4IHByb3BlcnR5LCB3aGljaApyZXF1aXJlcyB0aGF0IHRoZXJlIGlz
IG5vIHdob2xlIGNvZGUgd29yZCBpbiB0aGUgc3lzdGVtIHRoYXQgaXMgYSBwcmVmaXgKb3IgaW5p
dGlhbCBzZWdtZW50IG9mIGFueSBvdGhlciBjb2RlIHdvcmQgaW4gdGhlIHN5c3RlbS4K

[Mattyrat2027]

Here’s a One-time Pad

[Edited by Harry]

[I deem it unnecessary to give a decrypt, given the cipher used:D]

[For the same reason, I will let this through if you submit it again and include a copy of the OTP text and it is a complete and both the cipher text and the key are complete and correct fragments of written English! Harry]

[Mattyrat2027]

@Harry reminds me of the forum conversation we had a few years back, about two-time pads.

On the topic of two-time pads:
A two-time pad is solvable as a vigenere with key length half that of the ciphertext length, if you concatenate the ciphertexts. Theoretically, this method gets easier every time the key is used on a same-length plaintext.
Are there any other ways to crack a two-time pad?

[The puzzle master at GCHQ gave a good talk about this at the prize giving a while ago. Cribs are your friend. If you have one key, K and two messages M1 and M2 then the cipher texts are C1=M1+K; C2=M2+K, so the difference D is C1-C2=(M1+K-(M2+K) = M1-M2. The effect is that D is the encryption of M1 using the plaintext M2 as the OTP. If you know (or strongly believe) that a particular word or phrase appears in M1 you can search for it by substituting it back in at all the possible locations. Typically this gives you a break that allows you to reconstruct a fragment of M2, and if that is partial then you can guess its completion to get more of M2, substitute it back in and get some more of M1 and so on. Harry]

[Mattyrat2027]

@Harry So would you have to try your hand at cribbing the entire thing, or are there shortcuts you can take after solving a portion of the text? There must be computers somewhere that do this…

[You could try a dictionary search with fitness approach. A more modern approach might be via machine learning method, since it is all about pattern recognition. Do post if you give this a go.
Harry]

[Mattyrat2027]

@Harry I would love to, but I think it’s a bit beyond my current ability with ciphers.

[You might surprise yourself if you have a go! Harry]

[Mattyrat2027]

I am interested in the process of solving homophonic substitution ciphers.
Hence, here is a ciphertext. I you solve it, please tell me how you did it; what approach you took etc.
Enjoy 🙂

JA3 1GQ4GQ4K7N EUCUC5 GY UCW F WFGERB RFEK7N3 YXZHXZEHFQ4 AUCXZY3 H3RUCQ4K7NGQ4K7N JUC F O
EUCYO3EUCXZY 5FQ4XZWFSVJXZE3E GJ AFY F K7NUCUC1 YUCRG1 WXZEQ4GJXZE3 UCW JA3 O3EGUC1 JA3 K7
N3Q43EFR 3WW3SVJ GY F YXZHYJFQ4JGFR FQ41 A3FL0PMGRB SVUC5WUCEJFHR3 HXZJ Q4UCJ SVUCYB FQ41
AUC53RG6I3 GW F E3FRGYJGSV Y3J GY XZY31 JA3Q4 GJ YAUCXZR1 H3 Y8XZQ4K7N HFSV6I FY GJ 8FY GQ
4 JA3 OEUC1XZSVJGUCQ4 FJ JA3 Q438 JA3FJE3 HB 1UCGQ4K7N JAGY BUCXZ SVFQ4 AFL0PM3 JA3 1GQ4GQ
4K7NJFHR3 SV3Q4JE3 1UC8Q4YJFK7N3 1XZEGQ4K7N FSVJ UCQ43 8A3Q4 GJ GY Q433131 JA3E3 FQ41 JA3Q
4 Y8GQ4K7NGQ4K7N HFSV6I SVFQ4 E3L0PM3FR JA3 WGE3ORFSV3 WUCE FSVJ J8UC FQ41 JA3Q4 WUCE FSVJ
JAE33 SVFQ4 YAUC8 F Y5FRR JFHR3 8GJA F J3R3OAUCQ43 UCQ4 GJ 1UC8Q4YJFK7N3 UCW JA3 WGE3ORFS
V3 FQ41 HB JAGY JG53 JA3 1GQ4GQ4K7NJFHR3 FQ41 GJ SVAFGEY AFL0PM3 5UCL0PM31 83RR XZOYJFK7N3
OEUC1XZSV3EY 8AUC 8GYA JUC FL0PMUCG1 JAGY JEGSV6IB HXZYGQ43YY 8AGSVA GQ4L0PMUCRL0PM3Y J8U
C E3Y3JJGQ4K7NY UCW JA3 YSV3Q43 FQ41 YUC53 L0PM3EB FSVSVXZEFJ3 F1DXZYJ53Q4JY UCW JA3 39JEF
WRFJY Q43SV3YYFEB 8UCXZR1 H3 83RR F1L0PMGY31 JUC 1GYO3Q4Y3 8GJA FQ4 UCE1GQ4FEB E3FRGYJGSV
Y3J GW UCQ4RB H3SVFXZY3 JA3 1GQ4GQ4K7NJFHR3 H3SVUC53Y F Q4XZGYFQ4SV3 JA3 RGK7NAJGQ4K7N YA
UCXZR1 H3 OGQ46I FQ41 GQ4JG5FJ3 XZQ4JGR JA3 GQ4YO3SVJUCE FEEGL0PM3Y FQ41 JA3Q4 GJ YAUCXZR1
H3 HEGK7NAJ3E FQ41 AFE13E.

[Rhydwen]

I like a good dinner party…

Despite being homophonic, the first three characters of the cipher test, J, A and 3, represent over 20% of all characters provided. So, with a guess at what they represent, your well on the way.

I suspect there’s a bit more redundancy provided than you intended and so the frequency of the natural language isn’t as well hidden as you may have hoped.

[Mattyrat2027]

Good job, that is correct. Thanks for the input – A longer alphabet would therefore disguise the text better?

[madness]

@Mattyrat, What you have there is not exactly a homophonic cipher. In fact, it is not at all a homophonic cipher.
Maybe after the inspector arrives it will be harder.

[f6exb]

In the second encrypted text, there are the same two chains of 117 characters. One that starts at 885 and the other, the last 117 characters.

[Mattyrat2027]

@Madness hmmm what is it then? What indeed is a homophonic cipher?

[madness]

Here, I reencoded your plaintext with an actual homophonic substitution. The key is quite simple. But see if you can tell the difference.

4LH ENSNSJ YUUR MZ UI A IBNYQ9 QBYJF 15C5YCBS KV51G CHQVSJMTJ 3V A WYV0WGYU51 RAT5IBD45YFY M3 LBZ A JVUE ZVQNE I5YTN25YH VI 3LH WHYNVE 3LF JFSGYBQ GIIHD4 M1 B Z5CZ2BS4NAQ ASE KFA6MQ9 DVRIUY4BCQG C53 TV3 DV09 ATE LURHQMPH MI A YHAQM03ND 1G3 MZ 51GE 3LFT M2 0KU5QE CF Z75TJ CADP B1 N2 7AZ MS 4KH WYVE5D4NVS B4 2LG SF7 4KHB3YG C9 EVNTJ 4KNZ 9V5 DBS LB6H 4KF EMSNS J3ACQF DGT4YG EU7S13BJG E5YMTJ AD2 UTH 7LHT M3 N1 TFGEFE 3KHYG ATE 2KHS 17MSJMSJ CADP DAT YG6HBQ 4LG IMYFWQADF IUY AD4 37V BSE 2LHS IVY AD2 2KYHG DAT 0KU7 B 1RBQQ 2BCQF 7M2L B 2GQHWLVSH US M3 EU7T03AJF UI 2LF IMYFWQADF BTE C9 2KMZ 4MRF 3LH EMTNTJ2BCQH BSE N3 DKANY1 KA6G RU6FE 7HQQ 5W02AJG WYUE5DFYZ 7KU 7MZK 2U B6UME 2LM1 3YNDP9 C50MSHZ1 7LMDL NT6UQ6H1 27V YFZH32NSJZ VI 3KF ZDFTF ASE 0URH 6HY9 BDD5YA3H BEO514RHT4Z UI 3KH F84YB IQA31 TGDG1ZBY9 7V5QE CG 7FQQ BE6M1HE 3V ENZWFS1G 7N2L BS UYEMTBY9 YFBQN04ND 1F4 MI UTQ9 CGDA50H 4LG ENSMTJ2BCQH CGDVRF1 A S5M0BTDF 2LH QMJK3MTJ ZKV5QE CF WMSP BTE NT2MRA2F 5S3NQ 2KG NS0WGD4VY BYYN6F1 BSE 2LHS M3 0KU5QE CG CYNJK4HY BSE LBYEFY

The 3rd challenge at the end of Simon Singh’s The Code Book is also homophonic, but not in English.

[Mattyrat2027]

@Madness I, having attempted to decrypt it, understand the alphabet used (I think) – not so much shuffling the letters, but more adjusting the weightings they are in(?). It may be an issue with the tool I was using, but I didn’t actually successfully decrypt it.
It was actually Simon Singh’s challenge that got me interested, although that stumped me as well.
Please do explain further.

[ciphington]

—————————-THE SAKUPEN CIPHER—————————-

Non-standard. Key is [1, 2, -1, 2, 1].

########## CIPHER TEXT ##########

[18, 41, 8, 81, 53, 48, 90, 33, 86, 56, 35, 102, 35, 76, 63, 54, 42, 53, 71, 26, 55, 72, 35, 51, 68, 29, 49, 93, 57, 68, 71, 57, 103, 56, 57, 58, 92, 57, 83, 66, 93, 111, 68, 59, 104, 39, 86, 41, 53, 93, 59, 58, 49, 73, 100, 55, 67, 110, 61, 71, 110, 23, 69, 97, 30, 88, 31, 57, 82, 17, 98, 68, 69, 92, 71, 45, 71, 77, 43, 77, 55, 79, 66, 44, 67, 87, 68, 81, 70, 104, 68, 30, 87, 40, 87, 21, 79, 53, 68, 68, 42, 98, 67, 44, 73, 98, 41, 31, 68, 46, 42, 14, 64, 45, 84, 66, 65, 59, 62, 46, 59, 59, 70, 60, 75, 96, 53, 73, 114, 77, 101, 90, 92, 86, 76, 62, 113, 55, 105, 81, 50, 114, 56, 23, 77, 81, 27, 42, 75, 59, 19, 85, 27, 39, 69, 73, 38, 100, 71, 57, 104, 41, 28, 63, 62, 5, 67, 17, 56, 70, 42, 83, 74, 69, 61, 80, 41, 54, 92, 32, 96, 71, 36, 110, 45, 72, 69, 58, 66, 63, 35, 57, 70, 65, 83, 77, 104, 66, 77, 30, 60, 64, 42, 74, 48, 93, 44, 65, 36, 79, 55, 48, 46, 51, 53, 5, 42, 40, 25, 66, 54, 48, 86, 81, 93, 75, 55, 83, 103, 55, 67, 109, 73, 90, 71, 54, 48, 52, 50, 30, 46, 54, 91, 47, 105, 95, 85, 106, 60, 67, 89, 65, 70, 76, 58, 114, 46, 46, 125, 57, 74, 65, 107, 34, 67, 58, 78, 29, 52, 52, 57, 35, 69, 75, 60, 64, 83, 53, 82, 32, 91, 66, 47, 53, 74, 46, 94, 53, 101, 78, 56, 60, 69, 57, 49, 46, 74, 75, 45, 59, 90, 32, 96, 85, 70, 79, 99, 54, 71, 75, 45, 59, 90, 32, 96, 70, 43, 85, 33, 54, 53, 53, 10, 74, 64, 65, 63, 43, 60, 62, 68, 35, 104, 95, 85, 106, 60, 66, 68, 20, 56, 34, 66, 22, 65, 72, 11, 57, 80, 32, 53, 39, 58, 43, 4, 42, 78, 47, 75, 78, 100, 80, 58, 91, 71, 73, 40, 68, 95, 38, 42, 77, 81, 51, 36, 75, 83, 37, 53, 100, 61, 66, 77, 52, 56, 68, 0, 57, 38, 43, 31, 65, 20, 73, 30, 29, 37, 29, 49, 27, 79, 21, 66, 79, 6, 69, 32, 77, 22, 77, 23, 59, 31, 47, 64, 27, 53, 86, 40, 62, 64, 68, 84, 51, 66, 61, 49, 74, 22, 61, 60, 19, 63, 27, 54, 37, 77, 27, 73, 67, 12, 66, 65, 7, 67, 49, 53, 49, 87, 39, 90, 43, 58, 41, 37, 76, 47, 61, 73, 110, 57, 40, 73, 79, 3, 66, 64, 19, 85, 27, 39, 51, 40, 56, 52, 86, 78, 94, 70, 67, 84, 53, 82, 32, 95, 79, 69, 76, 50, 75, 40, 65, 17, 47, 53, 73, 20, 89, 38, 105, 66, 32, 105, 61, 43, 41, 57, 34, 17, 56, 52, 49, 75, 71, 93, 24, 70, 75, 15, 55, 41, 87, 38, 49, 113, 65, 58, 104, 51, 84, 65, 62, 79, 67, 55, 94, 25, 53, 83, 41, 33, 92, 64, 73, 79, 77, 77, 66, 87, 28, 67, 74, 28, 96, 51, 45, 103, 25, 67, 41, 74, 68, 71, 83, 59, 77, 68, 30, 87, 61, 66, 92, 96, 71, 99, 60, 55, 50, 29, 7, 27, 34, 23, 76, 45, 57, 55, 92, 47, 34, 62, 44, 43, 49, 19, 85, 41, 82, 69, 54, 91, 53, 30, 46, 34, 32, 28, 64, 70, 63, 80, 76, 91, 32, 95, 80, 65, 67, 63, 67, 57, 31, 65, 28, 85, 11, 52, 66, 24, 47, 28, 53, 33, 46, 39, 94, 53, 92, 66, 96, 73, 38, 65, 67, 53, 26, 48, 35, 45, 51, 10, 55, 62, 36, 19, 53, 41, 71, 45, 90, 60, 67, 89, 48, 21, 78, 56, 24, 74, 25, 48, 51, 55, 16, 103, 52, 62, 115, 79, 77, 105, 60, 55, 50, 29, 8, 29, 43, 44, 55, 38, 72, 67, 52, 67, 45, 78, 60, 40, 50, 43, 59, 36, 85, 63, 79, 92, 109, 76, 110, 71, 44, 82, 78, 30, 36, 86, 29, 72, 35, 28, 63, 62, 5, 67, 17, 42, 42, 55, 58, 66, 52, 73, 77, 60, 47, 59, 76, 50, 43, 98, 48, 82, 49, 97, 54, 47, 59, 83, 61, 81, 74, 54, 64, 84, 59, 38, 110, 52, 62, 86, 18, 62, 77, 30, 54, 93, 60, 37, 75, 83, 37, 50, 91, 55, 48, 50, 67, 66, 17, 81, 42, 56, 74, 22, 73, 103, 42, 57, 97, 50, 77, 30, 99, 57, 37, 75, 77, 66, 59, 93, 43, 71, 47, 54, 43, 42, 89, 64, 63, 54, 98, 27, 59, 93, 31, 49, 101, 53, 48, 90, 33, 86, 56, 35, 102, 35, 76, 63, 54, 42, 53, 71, 26, 55, 72, 36, 53, 59, 29, 81, 54, 79, 68, 105, 77, 74, 60, 115, 50, 45, 76, 80, 54, 27, 102, 59, 33, 107, 67, 54, 53, 72, 50, 55, 27, 95, 61, 44, 102, 45, 48, 61, 32, 35, 76, 47, 61, 73, 109, 68, 69, 50, 75, 40, 58, 7, 76, 55, 43, 41, 63, 50, 29, 85, 58, 60, 62, 60, 30, 57, 45, 22, 56, 54, 31, 52, 60, 33, 86, 22, 69, 68, 55, 71, 75, 72, 53, 59, 56, 59, 27, 85, 49, 51, 28, 53, 38, 58, 18, 63, 78, 55, 73, 51, 107, 51, 56, 83, 35, 87, 53, 48, 90, 33, 86, 56, 35, 102, 35, 76, 63, 54, 42, 53, 71, 26, 55, 72, 41, 67, 77, 54, 44, 73, 84, 28, 73, 23, 74, 80, 30, 36, 97, 60, 75, 40, 61, 64, 71, 36, 84, 81, 54, 78, 44, 45, 24, 24, 37, 76, 47, 61, 73, 91, 29, 83, 26, 73, 64, 74, 73, 64, 92, 72, 67, 86, 69, 47, 105, 54, 36, 96, 62, 56, 102, 71, 63, 58, 75, 59, 19, 85, 27, 39, 64, 56, 13, 54, 54, 51, 59, 27, 91, 50, 4, 85, 28, 93, 56, 41, 110, 37, 76, 70, 64, 40, 83, 23, 56, 67, 71, 70, 78, 67, 67, 57, 31, 65, 28, 85, 30, 84, 31, 66, 74, 15, 55, 34, 34, 76, 47, 61, 73, 96, 39, 88, 56, 73, 83, 42, 73, 68, 25, 90, 6, 65, 71, 1, 67, 31, 74, 16, 56, 58, 27, 79, 16, 39, 49, 50, 42, 82, 65, 80, 58, 59, 56, 28, 49, 38, 68, 79, 63, 74, 65, 76, 89, 55, 59, 65, 76, 50, 38, 81, 23, 54, 56, 35, 34, 47, 64, 75, 50, 92, 78, 63, 63, 62, 27, 52, 72, 16, 40, 80, 25, 47, 68, 34, 47, 79, 56, 74, 45, 73, 44, 59, 55, 20, 54, 40, 36, 53, 0, 73, 33, 45, 64, 16, 74, 35, 73, 23, 60, 64, 33, 86, 46, 27, 74, 53, 30, 63, 47, 87, 36, 54, 48, 45, 35, 33, 77, 56, 47, 87, 69, 81, 65, 61, 105, 62, 54, 91, 35, 68, 79, 29, 62, 98, 42, 85, 87, 24, 87, 69, 19, 85, 27, 39, 64, 56, 17, 74, 84, 61, 61, 46, 61, 25, 2, 13, 5]

# END #### CIPHER TEXT ##########

Post md5 hash of PLAINTEXT+USERNAME (allcaps, no space, no @)
Regards, City Intel @ Ciphington

[Not sure this is at all likely to be cracked, but you never know, and it will be interesting to see what conversations it sparks. Have fun, Harry]

[Author]

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