Account

Name
mischa
Username
mmisc
Joined
Oct. 16, 2010, 2:40 p.m.

Rank
90
Points
22,426
Trophies
Gold5
Silver2
Bronze2

Active Challenges (3)

LevelNameAttemptsDate
Lattice Part 115 / 999Aug. 18, 2011, 11:05 p.m.
Zodiac Cipher1 / 15May 10, 2011, 8:03 p.m.
Monoalphabetic Substitution5 / 15Oct. 17, 2010, 11:40 p.m.

Solved Challenges (28)

LevelNamePointsDate
Factorization Cipher — Part 1102Dec. 16, 2011, 5:13 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid200Sept. 9, 2011, 11:43 a.m.
Unusual encryption using a diophantine equation1,725Sept. 5, 2011, 12:47 a.m.
RSA: Two different keys — same ciphertext2,000Aug. 16, 2011, 2:37 a.m.
Broadcasting and low exponent — RSA Attack2,000July 22, 2011, 9:25 p.m.
Number Sequence — Part 2200July 11, 2011, 8:12 p.m.
Kaskade-S/T — Part 31,272May 1, 2011, 3:25 a.m.
Playfair Encryption101May 1, 2011, 1:47 a.m.
Smartcard RSA1,193April 25, 2011, 1:55 a.m.
Cracking SHA1-Hashed Passwords1,378April 24, 2011, 11:20 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1200April 7, 2011, 1:07 p.m.
Kaskade-S/T — Part 21,613March 8, 2011, 3:15 a.m.
Kaskade-S/T — Part 1200March 4, 2011, 11:40 p.m.
Lunchtime Attack on the Fully Homomorphic Encryption Scheme1,324Feb. 16, 2011, 10:47 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,225Jan. 31, 2011, 2:36 a.m.
Enigma Part 11,228Jan. 26, 2011, 2:31 a.m.
Hybrid Encryption I1,243Jan. 25, 2011, 12:10 a.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,229Jan. 24, 2011, 8:28 p.m.
Original Caesar Cipher150Dec. 16, 2010, 3 p.m.
Molehunt (Part 1/3)104Nov. 19, 2010, 8:01 p.m.
Molehunt (Part 2/3)104Nov. 17, 2010, 1:55 a.m.
One-Time Pad with Flaws125Nov. 15, 2010, 6:06 p.m.
Alice's Birthday Party (Part 1)1,391Nov. 1, 2010, 10:58 p.m.
Alice's Birthday Party (Part 2)1,406Oct. 30, 2010, 6:25 p.m.
Caesar Encryption200Oct. 22, 2010, 1:37 a.m.
A modified homophonic cipher with reduced alphabets — Part 2200Oct. 22, 2010, 1:30 a.m.
A modified homophonic cipher with reduced alphabets — Part 1200Oct. 21, 2010, 11:12 p.m.
Number Sequence113Oct. 21, 2010, 8:24 p.m.

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