Account

Name
Scombes
Username
jerva
Joined
Jan. 17, 2015, 11:55 a.m.

Rank
4
Points
269,337
Trophies
Gold18
Silver1
Bronze2

Active Challenges (3)

LevelNameAttemptsDate
The Heavy T52 Sturgeon Challenge — Part 21 / 15Oct. 8, 2021, 10:36 p.m.
Heartbleed — Part 21 / 20Nov. 22, 2015, 6:56 p.m.
Enigma Combinatorics2 / 20Jan. 17, 2015, 10:39 p.m.

Solved Challenges (87)

LevelNamePointsDate
The SZ42 Challenge — Part 131,398Oct. 24, 2021, 10:32 a.m.
The SZ42 Challenge — Part 121,398Oct. 23, 2021, 1:48 p.m.
SIGABA CSP-2900 — Part 11,824Aug. 2, 2021, 1:47 a.m.
SIGABA CSP-2900 — Part 22,000Aug. 1, 2021, 3:13 p.m.
SIGABA CSP-2900 — Part 320,000Aug. 1, 2021, 9:36 a.m.
SIGABA CSP-889 — Part 21,824June 3, 2021, 6:45 a.m.
SIGABA CSP-889 — Part 320,000June 2, 2021, 12:03 p.m.
SIGABA CSP-889 — Part 12,000June 2, 2021, 10:40 a.m.
The SIGABA Challenge — Part 614,326Feb. 7, 2021, 9:35 p.m.
The T52 Sturgeon Challenge — Part 91,142Jan. 10, 2021, 3:04 p.m.
The Heavy T52 Sturgeon Challenge — Part 714,427Jan. 10, 2021, 2:34 p.m.
The T52 Sturgeon Challenge — Part 121,143Dec. 30, 2020, 11:21 p.m.
The T52 Sturgeon Challenge — Part 111,143Dec. 30, 2020, 4:24 p.m.
The T52 Sturgeon Challenge — Part 101,143Dec. 30, 2020, 4:22 p.m.
The T52 Sturgeon Challenge — Part 81,143Dec. 30, 2020, 8:06 a.m.
The Heavy T52 Sturgeon Challenge — Part 314,126Dec. 29, 2020, 6:50 p.m.
The SZ42 Challenge — Part 21,292Sept. 20, 2020, 8:55 p.m.
The SZ42 Challenge — Part 11,270Sept. 20, 2020, 10:56 a.m.
The T52 Sturgeon Challenge — Part 31,151Sept. 13, 2020, 8:41 p.m.
The T52 Sturgeon Challenge — Part 21,152Sept. 10, 2020, 7:36 a.m.
The T52 Sturgeon Challenge — Part 41,152Sept. 8, 2020, 5:05 p.m.
The T52 Sturgeon Challenge — Part 11,151Sept. 8, 2020, 5:03 p.m.
The SIGABA Challenge — Part 520,000March 26, 2020, 1:34 p.m.
The SIGABA Challenge — Part 420,000March 17, 2020, 8:56 p.m.
The SIGABA Challenge — Part 320,000March 11, 2020, 10:43 p.m.
The SIGABA Challenge — Part 22,000March 5, 2020, 11:35 p.m.
The SIGABA Challenge — Part 12,000Feb. 29, 2020, 5:14 p.m.
Breaking a Filter Generator1,660Sept. 29, 2018, 1:49 p.m.
Double Column Transposition — Part 41,104Sept. 3, 2018, 8:28 p.m.
ElsieFour — Part 114,436June 18, 2018, 10:14 p.m.
Advent Challenge — Part 32,000Dec. 23, 2017, 10:37 a.m.
Advent Challenge — Part 42,000Dec. 21, 2017, 10:27 p.m.
Heartbleed — Part 1 100Nov. 22, 2015, 6:51 p.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,101Nov. 8, 2015, 4:14 p.m.
RSA: Two different keys — same ciphertext1,105Nov. 7, 2015, 8:26 a.m.
Unusual encryption using a diophantine equation1,105Nov. 5, 2015, 8:37 p.m.
BCR code (Book-Caesar-RSA)1,114Nov. 5, 2015, 5:55 p.m.
Letter to the Templars — Part 31,115Oct. 29, 2015, 6:52 p.m.
Hybrid Encryption I1,100Oct. 29, 2015, 5:52 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100Oct. 28, 2015, 3:53 p.m.
AES key — encoded in the machine readable zone of a European ePassport1,108Oct. 25, 2015, 6:08 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,100Oct. 25, 2015, 9:47 a.m.
Broadcasting and low exponent — RSA Attack1,105Oct. 24, 2015, 8:52 p.m.
Alice's Birthday Party (Part 2)1,100Oct. 24, 2015, 8:29 p.m.
Alice's Birthday Party (Part 1)1,100Oct. 24, 2015, 7:14 p.m.
Partial Key Exposure with RSA — Part 11,109Oct. 24, 2015, 6:11 p.m.
Typex — Part 21,121Oct. 11, 2015, 2:31 p.m.
Typex — Part 11,120Oct. 9, 2015, 11:37 p.m.
Spirale — Part 31,378Sept. 13, 2015, 3:43 p.m.
Spirale — Part 21,378Sept. 12, 2015, 9:15 p.m.
Spirale — Part 11,378Sept. 12, 2015, 9:12 p.m.
Weakened Handycipher — Part 31,444May 26, 2015, 8:31 a.m.
Sigaba Part 213,432April 17, 2015, 7:12 p.m.
Sigaba Part 11,103April 10, 2015, 11:18 a.m.
CMEA 213,451April 2, 2015, 2:39 p.m.
M-138 — Part 21,235March 28, 2015, 7:06 p.m.
Double Columnar Transposition100March 22, 2015, 9:11 p.m.
M-138 — Part 1101March 22, 2015, 1:58 p.m.
CMEA 11,104March 22, 2015, 12:08 p.m.
One-Time Pad with Flaws100March 17, 2015, 8:31 p.m.
ADFGVX — Part 2100March 11, 2015, 8:39 p.m.
ORYX Stream Cipher — Part 4b14,283March 10, 2015, 10:57 p.m.
How do you become a big cryptographer?100March 8, 2015, 9:06 a.m.
Recycled One-Time Pad100March 7, 2015, 4:10 p.m.
Playfair with hints about the grid100Feb. 28, 2015, 9:22 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,104Feb. 28, 2015, 1:40 p.m.
Cracking SHA1-Hashed Passwords1,107Feb. 28, 2015, 9:05 a.m.
Enigma Part 21,104Feb. 27, 2015, 2:25 p.m.
ORYX Stream Cipher — Part 4a1,165Feb. 17, 2015, 7:53 p.m.
Enigma Messages with Repeated Letters — Part 5100Feb. 1, 2015, 4:46 p.m.
Factorization Cipher — Part 21,113Jan. 31, 2015, 8:12 p.m.
Factorization Cipher — Part 1100Jan. 29, 2015, 9:55 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Jan. 27, 2015, 9:02 p.m.
Enigma Messages100Jan. 25, 2015, 10:29 p.m.
Enigma Messages with Repeated Letters — Part 3100Jan. 25, 2015, 8:39 p.m.
Enigma Messages with Repeated Letters — Part 2100Jan. 25, 2015, 8:34 p.m.
Enigma Messages with Repeated Letters — Part 4100Jan. 25, 2015, 8:30 p.m.
Enigma Part 11,104Jan. 25, 2015, 8:09 p.m.
ORYX Stream Cipher — Part 3 (revised)1,137Jan. 25, 2015, 9:27 a.m.
ORYX Stream Cipher Part II1,104Jan. 24, 2015, 1:53 p.m.
Beaver Code100Jan. 23, 2015, 9:54 p.m.
Grille Cipher100Jan. 21, 2015, 9:14 p.m.
Trifid Cipher100Jan. 21, 2015, 8:23 p.m.
ORYX Stream Cipher Part I1,104Jan. 20, 2015, 9:32 p.m.
Playfair Encryption100Jan. 19, 2015, 10:47 p.m.
Enigma Messages with Repeated Letters — Part 1100Jan. 17, 2015, 10:22 p.m.
ADFGVX — Part 1100Jan. 17, 2015, 8:49 p.m.

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