Account

Name
masam
Username
jimboo
Joined
June 18, 2012, 12:04 p.m.

Rank
104
Points
18,687
Trophies
Gold0
Silver0
Bronze3

Active Challenges (2)

LevelNameAttemptsDate
Factorization Cipher — Part 32 / 15Aug. 15, 2013, 9:55 a.m.
How do you become a big cryptographer?2 / 15July 9, 2013, 8:19 p.m.

Solved Challenges (42)

LevelNamePointsDate
Advent-Challenge — Part 1101June 14, 2018, 11:40 p.m.
Number Sequence — Part 8100June 14, 2018, 11:31 p.m.
Heartbleed — Part 31,725Aug. 30, 2014, 6:20 p.m.
Heartbleed — Part 2150Aug. 30, 2014, 12:03 a.m.
Heartbleed — Part 1 150Aug. 29, 2014, 11:35 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,111March 30, 2014, 8:10 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,111March 29, 2014, 9:57 p.m.
Spanish Strip Cipher — Part 21,824March 29, 2014, 2:02 p.m.
Trifid Cipher101March 24, 2014, 7:29 p.m.
Hill Cipher with Sudoku Key200Sept. 5, 2013, 12:18 a.m.
From Russia with Love200Sept. 4, 2013, 11:40 p.m.
Broadcasting and low exponent — RSA Attack1,128Aug. 22, 2013, 12:30 p.m.
Hybrid Encryption I1,117Aug. 22, 2013, 1:51 a.m.
Alice's Birthday Party (Part 2)1,117Aug. 17, 2013, 1:43 a.m.
Snow White and the seven dwarfs101Aug. 16, 2013, 11:08 p.m.
Alice's Birthday Party (Part 1)1,117Aug. 15, 2013, 9:42 p.m.
RSA Factoring Challenge: RSA-7040Aug. 15, 2013, 10:34 a.m.
A really long number sequence1,130Aug. 15, 2013, 10:23 a.m.
Nils away on travel125Aug. 12, 2013, 1:38 a.m.
Factorization Cipher — Part 21,145April 4, 2013, 5:35 a.m.
A modified homophonic cipher with reduced alphabets — Part 2100March 30, 2013, 2:58 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100March 30, 2013, 2:05 a.m.
Zodiac Cipher100March 30, 2013, 1:25 a.m.
¿No Hablas Español? No problemo!100March 29, 2013, 10:21 p.m.
Beaver Code100March 16, 2013, 1:44 p.m.
Reserve Hand Procedure — Part 1110March 16, 2013, 2:25 a.m.
A hidden word108Jan. 18, 2013, 11:50 a.m.
Letter to the Templars — Part 31,660Oct. 13, 2012, 1:08 p.m.
Letter to the Templars — Part 2200July 31, 2012, 4:28 p.m.
Factorization Cipher — Part 1100July 31, 2012, 4:11 p.m.
Cracking SHA1-Hashed Passwords1,145July 29, 2012, 11:26 p.m.
Letter to the Templars — Part 1108July 29, 2012, 8:41 p.m.
One-Time Pad with Flaws100July 14, 2012, 2:04 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100July 13, 2012, 10:17 a.m.
Grille Cipher100June 22, 2012, 1:12 p.m.
Number Sequence — Part 4102June 18, 2012, 8:05 p.m.
Number Sequence — Part 3101June 18, 2012, 5:39 p.m.
Monoalphabetic Substitution100June 18, 2012, 5:02 p.m.
Number Sequence — Part 2100June 18, 2012, 3:38 p.m.
Caesar Encryption100June 18, 2012, 3:36 p.m.
Original Caesar Cipher100June 18, 2012, 2:37 p.m.
Number Sequence100June 18, 2012, 2:29 p.m.

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