Account

Name	Points	Date
Cracking SHA1-Hashed Passwords	1,090	Oct. 4, 2018, 8:58 a.m.
Breaking a Filter Generator	1,725	Sept. 28, 2018, 12:56 a.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 2	1,090	Sept. 27, 2018, 6:54 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space	1,089	May 20, 2018, 11:52 a.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1	100	Feb. 4, 2015, 4:20 p.m.
Number Sequence	100	Nov. 3, 2011, 2:23 p.m.
Caesar Encryption	101	April 9, 2011, 6:54 p.m.
Original Caesar Cipher	104	Jan. 8, 2011, 3:38 p.m.

Level

Name

Points

Date

1,090

Oct. 4, 2018, 8:58 a.m.

1,725

Sept. 28, 2018, 12:56 a.m.

1,090

Sept. 27, 2018, 6:54 p.m.

1,089

May 20, 2018, 11:52 a.m.

100

Feb. 4, 2015, 4:20 p.m.

100

Nov. 3, 2011, 2:23 p.m.

101

April 9, 2011, 6:54 p.m.

104

Jan. 8, 2011, 3:38 p.m.

+++ [Nov. 30, 2021, 7:45 a.m.] RandyWaterhouse solved the L2 challenge 'Summer Job' +++ [Nov. 29, 2021, 6:47 p.m.] Cya solved the L1 challenge 'ADFGVX — Part 1' +++ [Nov. 29, 2021, 11:54 a.m.] RandyWaterhouse solved the L2 challenge 'Unusual encryption using a diophantine equation' +++ [Nov. 29, 2021, 8:26 a.m.] RandyWaterhouse solved the L2 challenge 'Lunchtime Attack on the Fully Homomorphic Encryption Scheme' +++ [Nov. 28, 2021, 5:42 p.m.] George1827 solved the L1 challenge 'Caesar Encryption' +++

Solved Challenges (8)