Well for the fun of it I'm gonna post 100 strings that are probably like

the strings referred to earlier. I'll answer a limited set of questions

about the keys if you want, but for the most part they are a set of 100

unqiue keys, with two variable inputs and a few static inputs.

#0 5V6XB-TV6N6-5H7J3-WWTWQ-6H74B

#1 CBPPC-LTJ5X-1S8ZS-5LVBZ-YRFVW

#2 QJCT6-VXYLT-2S9QZ-SQ02G-MJD9S

#3 SF46P-67SK3-6BWFD-BQ9Y0-XJ4J2

#4 ZR4VZ-BS499-TPMDT-Y2MBF-LN2VL

#5 YKR4K-ZNJ41-W2N2D-0G2FL-ZZSFK

#6 4ZBVQ-388NT-H7742-MM7N8-NYRSM

#7 468HK-3DX11-H13CD-MVPQL-N9G5K

#8 0W853-1V66Q-HPMHK-6H105-45LX1

#9 0XSRZ-1XW7N-H3LLK-620JR-4ND0J

#10 JF3XN-C7SCR-QBP0G-VQPJ2-0JG0G

#11 4BKKK-TZW8T-ZV713-80QB6-J8NV7

#12 R5W5D-V1YV8-83DRQ-DXTPX-9P7ZH

#13 C5S1Z-NJQMS-89JP0-45LVP-R7WY4

#14 CS3VY-L4SY9-1MPNM-50P0T-Y8GXX

#15 ZY7JC-P8KRK-K1511-80RZN-J8VQY

#16 KQ5D3-2F4P2-DRT19-347KH-K1R6Z

#17 KZ0ZH-QXC2Z-NH4WS-S9KDD-M0P7D

#18 5LLXY-G0GNY-F0GJW-KD1WH-8LL4Z

#19 5K7C3-G9VBQ-FBP3K-K43M5-81ZL1

#20 4TX4X-TJ8H6-Z5QTL-8F8RR-JSYCJ

#21 47LHR-TH59K-Z2Y8C-8XPL0-JPGD2

#22 DDK4B-YWD46-ZD123-3SGFQ-KX3FB

#23 4T8D6-346BS-HTM9C-MM17Z-NYL8W

#24 YTK41-ZH3H0-WKJTP-0Y3R9-ZWZCT

#25 JRH3Q-CF1HG-QYXMB-VRX4Y-0QTPP

#26 RL645-V06HF-807TF-DDTR1-9L7C8

#27 K66DH-Q3HPB-NJR1J-SH5KQ-M5C6B

#28 B6X7T-7RNKW-3S2MW-752K2-B7S6G

#29 CP30J-Y2SQB-STPBQ-H6PPB-WFGZ0

#30 4GPG5-TJGT4-Z11WX-8PWQP-JBM54

#31 K5Y7N-QD0K3-NV0M6-S70KD-MMD6D

#32 S0J7B-6MDXK-65VCV-BKVW1-XKF48

#33 DYGQK-YK1WP-ZKQNN-3C9L8-KD4DM

#34 5D6F1-G7VPC-F4H7F-K3H5M-8V9WR

#35 YQVX4-Z2YCF-W0607-0T6JF-Z3K0L

#36 6MHYP-50DQG-36NY4-T07GB-T8RM0

#37 C9W27-N2SJ3-8HB1P-4VD0F-R9QXL

#38 S0CXD-6MZ08-65X8Q-BKH6X-XK92H

#39 J5KC0-Q3HJP-GBWSC-5WXJV-YHT03

#40 JPRCN-QK7QP-G04G7-5GQF3-YZNFN

#41 C07RC-NGS0W-83G95-4444H-R15PZ

#42 4MJT3-3C192-HY369-MBJQH-N6H5Z

#43 LSVN2-2SYJC-LW6JM-QP617-7BK3F

#44 J100C-CBQQX-QVWBS-VTWPZ-03MZW

#45 T8PLF-XGTG8-WNSXX-L16VJ-GGKY5

#46 T9T3Y-X5YS9-WB04M-L9LHT-G0WTX

#47 J4VMP-Q79GS-GLY38-56JG5-YFHM1

#48 YG31S-BLSFJ-M8P0Y-BNPY4-X4GJV

#49 J45D0-C14BN-QXT9R-V977C-00R86

#50 JHXZ6-QF21M-GD189-5VCXK-Y9JBC

#51 KST2Q-QHL4T-NC8P2-SB868-M6Y2M

#52 4W3MS-G6ST5-7FPV6-YTPST-L3GKX

#53 SNWGZ-KC91N-Y445K-NY43R-VW5HJ

#54 Y8HWH-B310B-MXX2J-BQXLQ-XJTDB

#55 09H9B-1GDX6-HVNR3-6N73Q-44RHB

#56 6JRBR-59J85-34NP0-TJ216-TCS37

#57 S3B01-KP820-YZ72P-NC709-VDRXT

#58 L5VSF-21LLM-L3GJN-QXWGV-7PMM3

#59 5SFHJ-GHP1B-FCSCQ-KBCQB-86J50

#60 C7WG1-N9D6C-8DZ7F-40LJM-R8W0R

#61 JM04J-QSY3J-GX5GD-5M8Y7-YYYJF

#62 S7XLQ-K39TG-YQBNB-N3R5Y-VVVWP

#63 SV40X-KVSFL-YHWTY-NW9BK-VH4VC

#64 DY6YC-98HCK-Q1R61-F054N-H8CPY

#65 D7TXK-YGY0P-ZG08N-3FL68-KSW2M

#66 TWV4G-XV9VM-WPYKV-LHJ2G-G5H9S

#67 5GSBC-TLLMK-582F1-WNNCN-6481Y

#68 BRC6N-7SM63-3P5P6-725MD-BNCLD

#69 5QT9F-TSL88-5H8HX-WG8FJ-6ZYF5

#70 JSJ7J-C4D6B-QMVWQ-V0V7B-08F80

#71 KJ5V3-29HNQ-D4K4K-3JKN5-KCPS1

#72 BD6S1-77HL0-34RJP-735G9-BVCMT

#73 5DXDD-GW9BX-FDB9Z-KSR7L-8XV8K

#74 ZSDCJ-BHMBP-TCC3G-YBSMN-L61LY

#75 YKW9P-PLZKS-CV008-NH9S5-V54K1

#76 5BB3S-35M4J-PJZWY-7XKT4-BPPRV

#77 488XZ-TD88L-ZFV5B-8202S-JND9Q

#78 DXCG2-9KMDC-QC5XM-FR5F7-HQCFF

#79 J0M4B-CZTVK-QXDKV-VWZ21-0H698

#80 TWBL7-X6XGH-WFHX1-LTXV7-G3TYF

#81 Q99DN-VW5F2-2T64L-SY5PX-MWCZH

#82 ZZRHH-B8WRB-T7DVJ-YMDCQ-LYQ1B

#83 DV9BG-9H8MZ-QR1FL-FKMCS-HK21Q

#84 CJ0RQ-Y92LG-S4MBB-HJ6VY-WCKYP

#85 RWQ9X-66JML-0FG7Y-QTGRK-733CC

#86 CRKJ9-LS33V-1PJS5-5239S-YNZNQ

#87 C06Y5-LZHCF-1XR6F-5W541-YHCP8

#88 0PPLS-12TG5-HTSX6-666VT-4FKYX

#89 SR2MR-6FFG5-6YR30-BRRG6-XQVM7

#90 JDXYQ-Q4WYG-G9C7B-5NGVY-Y43YP

#91 40YL4-3M032-H505H-MK0J3-NKD0N

#92 JZ6K4-QZWG7-GQ3QK-58Z7J-YT685

#93 YKSL9-Z0WTV-WTLN5-0S05S-ZXDWQ

#94 57CL4-T3M32-5Q55H-W35J3-6VC0N

#95 CJ0PK-Y9251-S4MZD-HJ6BL-WCKVK

#96 C6G4K-LD1HP-11QTN-5V9R8-Y94CM

#97 LZSP2-287WC-L7BGM-QMBZ7-7YBQF

#98 YQ70R-PNLBY-C1SZQ-NJ7WT-VCR4X

#99 42LNF-GB358-71QSX-YFQQJ-LSN55

James

Duncan Smith wrote:

Right, so you might be able to come up with something that produces similar

output. Do you know if the strings are generated independently? If so,

there must be some stochastic component (or unknown inputs) or the strings

would be identical. How about the frequencies of the characters? Are some

(significantly) more frequent than others? Do some characters follow others

with unusually high frequency? Do characters tend to cluster (more or less

that you'd expect from independently generated characters)? Unless the

strings are very long you probably can't answer these questions too reliably

with only 100 strings.

Markov Chains are a possibility (as already mentioned). I'd probably start

by looking at the simpler things first. The 1000 to 1200 sum might be a

clue, particularly if you're having trouble emulating it. Of course, if

this turns out to be some sort of code and you're looking at some encoded

text, then that's something I know little about, and the above might be next

to useless.

Maybe the basic statistical tests in Gary Strangman's stats.py would be

useful, unless you already have R and RPy?

Duncan

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