Account

Name
George Lasry
Username
george4096
Joined
June 10, 2013, 8:04 a.m.

Rank
1
Points
478,176
Trophies
Gold12
Silver15
Bronze17

Active Challenges (2)

LevelNameAttemptsDate
Cryptanalysis Hacking Puzzles — Part 21 / 15July 29, 2020, 3:49 p.m.
Reserve Hand Procedure — Part 11 / 15Dec. 3, 2013, 3:24 a.m.

Solved Challenges (173)

LevelNamePointsDate
The Heavy T52 Sturgeon Challenge — Part 913,987Nov. 1, 2021, 9:53 a.m.
The Heavy T52 Sturgeon Challenge — Part 713,980Oct. 31, 2021, 12:29 p.m.
The Heavy T52 Sturgeon Challenge — Part 613,980Oct. 31, 2021, 12:23 p.m.
The Heavy T52 Sturgeon Challenge — Part 513,978Oct. 31, 2021, 12:17 p.m.
SIGABA CSP-2900 — Part 11,725Aug. 3, 2021, 9:42 a.m.
SIGABA CSP-2900 — Part 21,725Aug. 3, 2021, 6:31 a.m.
SIGABA CSP-2900 — Part 319,236Aug. 2, 2021, 1:04 p.m.
Number Sequence — Part 10100June 11, 2021, 9:26 p.m.
Number Sequence — Part 8100June 11, 2021, 8:44 p.m.
Polyhomophonic Substitution — Part 1100June 11, 2021, 3:40 p.m.
Find the right route — Part 1100June 11, 2021, 3:27 p.m.
SIGABA CSP-889 — Part 21,613June 5, 2021, 2:08 p.m.
SIGABA CSP-889 — Part 11,725June 3, 2021, 10:50 p.m.
SIGABA CSP-889 — Part 320,000June 1, 2021, 9:12 p.m.
The SZ42 Challenge — Part 91,200May 27, 2021, 9:20 p.m.
Wheatstone Cryptograph — Part 21,547May 27, 2021, 9:18 p.m.
Wheatstone Cryptograph — Part 1125April 25, 2021, 4:37 p.m.
The SZ42 Challenge — Part 111,385Feb. 19, 2021, 2:58 p.m.
The SZ42 Challenge — Part 101,660Feb. 2, 2021, 7:40 p.m.
The Heavy T52 Sturgeon Challenge — Part 314,125Dec. 31, 2020, 12:43 p.m.
The SZ42 Challenge — Part 81,373Nov. 21, 2020, 5:53 p.m.
The SZ42 Challenge — Part 71,353Nov. 21, 2020, 5:18 p.m.
The SZ42 Challenge — Part 61,286Nov. 21, 2020, 5:07 p.m.
RSA Factoring Challenge: RSA-2400Sept. 6, 2020, 12:15 p.m.
RSA Factoring Challenge: RSA-2500Sept. 6, 2020, 12:14 p.m.
RSA Factoring Challenge: RSA-2320Sept. 6, 2020, 12:13 p.m.
RSA Factoring Challenge: RSA-2200Sept. 6, 2020, 12:12 p.m.
RSA Factoring Challenge: RSA-2300Sept. 6, 2020, 12:11 p.m.
RSA Factoring Challenge: RSA-2100Sept. 6, 2020, 12:09 p.m.
The SZ42 Challenge — Part 52,000Sept. 3, 2020, 4:19 p.m.
The SZ42 Challenge — Part 42,000Aug. 30, 2020, 5:19 p.m.
The SZ42 Challenge — Part 31,576Aug. 21, 2020, 9:02 p.m.
The SZ42 Challenge — Part 22,000Aug. 5, 2020, 5:05 p.m.
The SZ42 Challenge — Part 11,547July 29, 2020, 10:48 a.m.
Polyhomophonic Substitution — Part 31,310May 14, 2020, 11:52 p.m.
Polyhomophonic Substitution — Part 21,290May 14, 2020, 11:02 p.m.
The Heavy T52 Sturgeon Challenge — Part 416,705May 2, 2020, 11:16 a.m.
The Heavy T52 Sturgeon Challenge — Part 114,576April 25, 2020, 7:03 p.m.
The LoRa Cipher: Logic Randomness — Part 11,330March 21, 2020, 9:04 p.m.
Polyphonic Substitution Cipher — Part 21,824Jan. 16, 2020, 12:47 a.m.
Polyphonic Substitution Cipher — Part 11,725Nov. 23, 2019, 5:29 p.m.
Cipher ID — Part 11,660Nov. 22, 2019, 11:30 p.m.
A Cloaked Substitution Cipher — Part 11,357Sept. 14, 2019, 4:21 p.m.
A Cloaked Substitution Cipher — Part 21,385Sept. 14, 2019, 1:17 p.m.
Homophonic Encryption — Part 21,725May 10, 2019, 10:02 p.m.
Homophonic Encryption — Part 32,000May 9, 2019, 8:51 p.m.
Homophonic Encryption — Part 42,000May 9, 2019, 8:48 p.m.
Homophonic Encryption — Part 11,660May 7, 2019, 10:40 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Feb. 23, 2019, 10:05 p.m.
Autokey Cipher101Feb. 23, 2019, 8:06 p.m.
Monoalphabetic Substitution with Nostradamus Flavor2,000Feb. 16, 2019, 9:43 p.m.
Handycipher made in love — Part 12,000Feb. 16, 2019, 9:36 p.m.
Akelarre Part 11,088Jan. 8, 2019, 9:50 p.m.
Breaking a Filter Generator1,330Oct. 27, 2018, 2:15 a.m.
Kaskade-S/T — Part 6 (RansomKaskade Part 1)1,156July 8, 2018, 10:27 p.m.
Fastest in the West1,367July 4, 2018, 11:19 p.m.
Summer Job1,367July 4, 2018, 10:04 p.m.
Advent-Challenge — Part 1103Jan. 13, 2018, 6:40 p.m.
Spirale — Part 31,129Aug. 21, 2017, 9:46 p.m.
Spirale — Part 21,129Aug. 21, 2017, 9:06 p.m.
Spirale — Part 11,129Aug. 21, 2017, 8:56 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,092Aug. 12, 2017, 6:57 p.m.
Keyshanc — Part 21,099Aug. 6, 2017, 8:46 p.m.
Keyshanc — Part 11,099Aug. 6, 2017, 7:44 p.m.
Unusual encryption using a diophantine equation1,095Aug. 6, 2017, 12:43 a.m.
A really long number sequence1,096Aug. 5, 2017, 10:44 p.m.
RSA: Two different keys — same ciphertext1,095Aug. 5, 2017, 4:10 p.m.
RSA with Special d13,248Aug. 5, 2017, 12:08 a.m.
Alice's Birthday Party (Part 2)1,092Aug. 1, 2017, 8:21 p.m.
Alice's Birthday Party (Part 1)1,092Aug. 1, 2017, 8:16 p.m.
Pigpen with a twist — Part 31,096Aug. 1, 2017, 12:17 p.m.
Pigpen with a twist — Part 21,096Aug. 1, 2017, 11:45 a.m.
ASAC — A Strong(er) ADFGVX Cipher — Part 21,155Aug. 1, 2017, 12:01 a.m.
ASAC — A Strong(er) ADFGVX Cipher — Part 11,155July 31, 2017, 9:27 p.m.
Monoalphabetic substitution with camouflage — Part 4100July 30, 2017, 7:23 p.m.
Broadcasting and low exponent — RSA Attack1,095July 30, 2017, 1:25 p.m.
Partial Key Exposure with RSA — Part 11,098July 30, 2017, 12:01 a.m.
Hybrid Encryption I1,092July 29, 2017, 11:16 p.m.
Zodiac Cipher100July 29, 2017, 3:29 p.m.
Monoalphabetic substitution with camouflage — Part 31,097July 29, 2017, 12:12 p.m.
Monoalphabetic substitution with camouflage — Part 21,097July 29, 2017, 12:08 p.m.
Monoalphabetic substitution with camouflage — Part 1100July 29, 2017, 11:54 a.m.
Monoalphabetic Substitution with Camouflage — Part 51,098July 29, 2017, 11:30 a.m.
ORYX Stream Cipher — Part 3 (revised)1,106June 28, 2017, 3:20 p.m.
ORYX Stream Cipher — Part 4b13,594June 27, 2017, 11:31 a.m.
ORYX Stream Cipher — Part 4a1,113June 26, 2017, 8:18 p.m.
ORYX Stream Cipher Part II1,092June 24, 2017, 10:45 p.m.
ORYX Stream Cipher Part I1,092June 24, 2017, 9:53 p.m.
CMEA 11,093June 22, 2017, 11:03 p.m.
CMEA 213,265June 22, 2017, 9:57 p.m.
Weakened Granit — Part 1100June 17, 2017, 9:50 p.m.
Sigaba Part 213,258June 8, 2017, 6:55 a.m.
Sigaba Part 11,093June 6, 2017, 11:14 p.m.
Handycipher — Part 914,906May 31, 2017, 11 a.m.
Extended Handycipher — Part 31,126May 31, 2017, 10:24 a.m.
Extended Handycipher — Part 11,126May 31, 2017, 10:23 a.m.
Extended Handycipher — Part 21,126May 31, 2017, 10:18 a.m.
Weakened Handycipher — Part 41,161May 30, 2017, 4 p.m.
Extended Handycipher — Part 614,274May 30, 2017, 3:01 p.m.
Weakened Handycipher — Part 51,161May 29, 2017, 9:15 p.m.
Weakened Handycipher — Part 61,161May 29, 2017, 1:02 a.m.
Extended Handycipher — Part 514,276May 29, 2017, 12:37 a.m.
Extended Handycipher — Part 414,276May 29, 2017, 12:30 a.m.
Handycipher — Part 414,276May 29, 2017, 12:06 a.m.
Handycipher — Part 514,276May 28, 2017, 11:56 p.m.
Handycipher — Part 614,276May 28, 2017, 11:48 p.m.
Handycipher — Part 714,917May 28, 2017, 11:43 p.m.
Handycipher — Part 814,917May 28, 2017, 11:32 p.m.
Weakened Handycipher — Part 11,128May 28, 2017, 10:01 p.m.
Weakened Handycipher — Part 31,128May 27, 2017, 3:40 a.m.
Weakened Handycipher — Part 21,128May 27, 2017, 3:33 a.m.
Handycipher — Part 313,775May 27, 2017, 2 a.m.
Handycipher — Part 21,125May 27, 2017, 1:48 a.m.
Handycipher — Part 11,125May 27, 2017, 1:43 a.m.
M-138 — Part 41,122May 24, 2017, 9:45 a.m.
M-138 — Part 31,240March 21, 2015, 2:09 p.m.
M-138 — Part 21,240March 21, 2015, 1:53 a.m.
M-138 — Part 1101March 21, 2015, 1:09 a.m.
Factorization Cipher — Part 31,117Nov. 13, 2014, 12:11 a.m.
Factorization Cipher — Part 21,116Nov. 12, 2014, 12:59 a.m.
Purple 11,110May 2, 2014, 2:40 a.m.
Typex — Part 21,155April 26, 2014, 11:08 a.m.
Typex — Part 11,151April 26, 2014, 9:59 a.m.
Spanish Strip Cipher — Part 11,523April 3, 2014, 10:57 p.m.
Spanish Strip Cipher — Part 21,660March 31, 2014, 1:04 a.m.
Monoalphabetic Substitution100Dec. 12, 2013, 5:02 p.m.
Classical Ciphers^3100Dec. 12, 2013, 3:51 p.m.
Notes of an Italian Soldier800Dec. 12, 2013, 3:07 p.m.
AES key — encoded in the machine readable zone of a European ePassport1,131Dec. 11, 2013, 12:14 a.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,114Dec. 10, 2013, 3:47 a.m.
Cracking SHA1-Hashed Passwords1,119Dec. 10, 2013, 1:03 a.m.
Kaskade-S/T — Part 51,120Dec. 9, 2013, 3 a.m.
How do you become a big cryptographer?100Dec. 4, 2013, 12:07 a.m.
Beaver Code100Dec. 3, 2013, 11:38 p.m.
Nils away on travel101Dec. 3, 2013, 5:21 p.m.
From Russia with Love101Dec. 3, 2013, 5:13 p.m.
Multilingual Monoalphabetic Substitution100Dec. 3, 2013, 3:30 a.m.
Double Column Transposition11,000Nov. 26, 2013, 5:23 p.m.
Cascading Encryption — Part 3/31,190Oct. 7, 2013, 4:33 a.m.
Pigpen with a twist — Part 1100Sept. 22, 2013, 12:10 a.m.
Cascading Encryption — Part 2/31,193Sept. 21, 2013, 1:27 a.m.
Modified Caesar Cipher100Sept. 9, 2013, 4:17 p.m.
Number Sequence — Part 3100Sept. 4, 2013, 1:04 a.m.
Number Sequence — Part 4100Sept. 4, 2013, 1:03 a.m.
¿No Hablas Español? No problemo!100Sept. 4, 2013, 12:59 a.m.
Double Columnar Transposition100Sept. 4, 2013, 12:51 a.m.
One-Time Pad with Flaws100Sept. 4, 2013, 12:19 a.m.
Molehunt (Part 3/3)1,117Sept. 3, 2013, 11:08 p.m.
Molehunt (Part 2/3)100Sept. 3, 2013, 7:01 p.m.
Molehunt (Part 1/3)100Sept. 3, 2013, 5:09 p.m.
Number Sequence100Sept. 3, 2013, 5 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100Sept. 1, 2013, 11:48 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100Sept. 1, 2013, 3:05 a.m.
Caesar Encryption100Sept. 1, 2013, 2:45 a.m.
Ku Klux Klan1,000Aug. 30, 2013, 4:53 p.m.
Factorization Cipher — Part 1100Aug. 25, 2013, 5:13 p.m.
Kaskade-S/T — Part 31,122Aug. 25, 2013, 12:04 a.m.
Kaskade-S/T — Part 21,122Aug. 23, 2013, 10:15 p.m.
Kaskade-S/T — Part 1100Aug. 23, 2013, 5:29 p.m.
Letter to the Templars — Part 31,164Aug. 21, 2013, 12:34 a.m.
Letter to the Templars — Part 2100Aug. 21, 2013, 12:03 a.m.
Letter to the Templars — Part 1100Aug. 20, 2013, 11:52 p.m.
Number Sequence — Part 2100Aug. 20, 2013, 11:36 p.m.
Original Caesar Cipher100Aug. 20, 2013, 11:31 p.m.
ADFGVX — Part 1100Aug. 20, 2013, 11:05 p.m.
ADFGVX — Part 2100Aug. 20, 2013, 10:46 p.m.
Cascading Encryption — Part 1/3100Aug. 19, 2013, 11:46 p.m.
Playfair Encryption100Aug. 18, 2013, 12:47 a.m.
Playfair with hints about the grid100Aug. 18, 2013, 12:41 a.m.
Turing Bombe Enigma I100Aug. 17, 2013, 1:59 a.m.
Recycled One-Time Pad100Aug. 17, 2013, 1:37 a.m.
Enigma Messages100Aug. 16, 2013, 10:49 p.m.
Enigma Part 21,118July 16, 2013, 9:30 p.m.

Submitted Challenges (31)

LevelNameDate
The SIGABA Challenge — Part 6April 5, 2020, 6:47 p.m.
The SIGABA Challenge — Part 5March 26, 2020, 1:03 p.m.
The SIGABA Challenge — Part 4March 17, 2020, 8:15 p.m.
The SIGABA Challenge — Part 3March 11, 2020, 9:10 p.m.
The SIGABA Challenge — Part 2March 5, 2020, 7:44 p.m.
The SIGABA Challenge — Part 1Feb. 29, 2020, 12:29 p.m.
The T52 Sturgeon Challenge — Part 12Aug. 10, 2019, 5:32 p.m.
The T52 Sturgeon Challenge — Part 11Aug. 10, 2019, 5:32 p.m.
The T52 Sturgeon Challenge — Part 10Aug. 10, 2019, 5:32 p.m.
The T52 Sturgeon Challenge — Part 9Aug. 10, 2019, 5:31 p.m.
The T52 Sturgeon Challenge — Part 8Aug. 10, 2019, 5:31 p.m.
The T52 Sturgeon Challenge — Part 7Aug. 10, 2019, 5:30 p.m.
The T52 Sturgeon Challenge — Part 6Aug. 10, 2019, 5:30 p.m.
The T52 Sturgeon Challenge — Part 5Aug. 10, 2019, 5:30 p.m.
The T52 Sturgeon Challenge — Part 4July 22, 2019, 11:20 p.m.
The T52 Sturgeon Challenge — Part 3July 22, 2019, 11:17 p.m.
The T52 Sturgeon Challenge — Part 2July 22, 2019, 11:15 p.m.
The T52 Sturgeon Challenge — Part 1July 13, 2019, 11:11 p.m.
The Vatican Challenge — Part 5July 7, 2019, 8:50 p.m.
The Vatican Challenge — Part 4July 7, 2019, 8:46 p.m.
The Vatican Challenge — Part 3June 25, 2019, 5:14 p.m.
Double Column Transposition — Part 5June 23, 2014, 3:56 p.m.
Double Column Transposition — Part 4May 19, 2014, 10:06 p.m.
Double Column Transposition — Part 3May 2, 2014, 11:44 a.m.
Double Column Transposition — Part 2May 2, 2014, 11:30 a.m.
Double Column Transposition — Part 1April 4, 2014, 5:36 p.m.
Enigma Messages with Repeated Letters — Part 5March 5, 2014, 4:04 p.m.
Enigma Messages with Repeated Letters — Part 4March 5, 2014, 4:03 p.m.
Enigma Messages with Repeated Letters — Part 3March 5, 2014, 4:02 p.m.
Enigma Messages with Repeated Letters — Part 2Oct. 28, 2013, 8:53 p.m.
Enigma Messages with Repeated Letters — Part 1Sept. 26, 2013, 3:05 p.m.

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