Account
Name
Hank
Username
hanky
Joined
July 27, 2011, 10:08 a.m.
Rank
86
Points
24,373
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Forum profileActive Challenges (2)
Level | Name | Attempts | Date |
---|---|---|---|
![]() | Number Sequence — Part 5 | 10 / 15 | Oct. 26, 2012, 7:52 p.m. |
![]() | A Secret Message from Castle Mansfeld | 2 / 15 | Sept. 11, 2012, 9:04 p.m. |
Solved Challenges (58)
Level | Name | Points | Date |
---|---|---|---|
Advent-Challenge — Part 2 | 1,114 | Feb. 3, 2021, 3:20 p.m. | |
Advent-Challenge — Part 1 | 100 | Feb. 2, 2021, 9:24 p.m. | |
Autokey Cipher | 100 | Feb. 2, 2021, 6:23 p.m. | |
Cryptanalysis Hacking Puzzles — Part 2 | 100 | Feb. 2, 2021, 4:47 p.m. | |
Number Sequence — Part 10 | 100 | Nov. 7, 2019, 1:11 a.m. | |
RSA Factoring Challenge: RSA-210 | 0 | Nov. 6, 2019, 10:56 p.m. | |
Image Noise | 100 | July 27, 2016, 11:49 p.m. | |
Number Sequence — Part 7 | 100 | May 12, 2016, 12:13 a.m. | |
Number Sequence — Part 8 | 103 | Oct. 21, 2015, 7:52 p.m. | |
M-138 — Part 2 | 1,279 | Feb. 15, 2015, 9:03 a.m. | |
M-138 — Part 1 | 102 | Feb. 13, 2015, 6:49 a.m. | |
Heartbleed — Part 3 | 1,200 | Feb. 5, 2015, 3:10 a.m. | |
One-Time Pad with Flaws | 100 | Jan. 26, 2015, 3:08 a.m. | |
Heartbleed — Part 2 | 101 | Jan. 25, 2015, 9:25 p.m. | |
Partial Key Exposure with RSA — Part 1 | 1,116 | Jan. 25, 2015, 7:07 p.m. | |
Heartbleed — Part 1 | 101 | Jan. 24, 2015, 3:22 p.m. | |
Enigma Messages with Repeated Letters — Part 1 | 105 | Oct. 15, 2013, 10:26 a.m. | |
BCR code (Book-Caesar-RSA) | 1,153 | Oct. 14, 2013, 7:58 p.m. | |
A really long number sequence | 1,128 | Oct. 7, 2013, 8:29 p.m. | |
Hybrid Encryption I | 1,116 | Oct. 6, 2013, 3:47 p.m. | |
Enigma Part 1 | 1,116 | Oct. 3, 2013, 3:39 p.m. | |
Enigma Combinatorics | 100 | Oct. 3, 2013, 3:05 p.m. | |
Enigma Messages | 100 | Oct. 1, 2013, 12:05 a.m. | |
Brute-Force-Attack on Triple-DES with Reduced Key Space | 1,116 | Sept. 26, 2013, 12:42 a.m. | |
Nils away on travel | 102 | Sept. 23, 2013, 8:18 p.m. | |
Reserve Hand Procedure — Part 1 | 100 | Sept. 23, 2013, 7:46 p.m. | |
From Russia with Love | 105 | Sept. 23, 2013, 5:45 p.m. | |
Snow White and the seven dwarfs | 103 | May 20, 2013, 2:31 a.m. | |
A hidden word | 108 | Jan. 17, 2013, 5:37 p.m. | |
Cracking SHA1-Hashed Passwords | 1,138 | Oct. 26, 2012, 7:34 p.m. | |
Unusual encryption using a diophantine equation | 1,152 | Oct. 21, 2012, 6:14 a.m. | |
RSA: Two different keys — same ciphertext | 1,150 | Oct. 18, 2012, 7:11 p.m. | |
Letter to the Templars — Part 3 | 2,000 | Oct. 9, 2012, 7:32 p.m. | |
Factorization Cipher — Part 1 | 100 | Sept. 30, 2012, 6:27 p.m. | |
Not-so-Secret Message from Malawi — Part I (RSA) | 1,130 | Sept. 29, 2012, 10:07 p.m. | |
Broadcasting and low exponent — RSA Attack | 1,150 | Sept. 25, 2012, 10:42 p.m. | |
Alice's Birthday Party (Part 2) | 1,130 | Sept. 25, 2012, 9:55 p.m. | |
Alice's Birthday Party (Part 1) | 1,130 | Sept. 24, 2012, 7:43 p.m. | |
Molehunt (Part 1/3) | 100 | Sept. 13, 2012, 8 p.m. | |
Monoalphabetic Substitution | 100 | Sept. 11, 2012, 10:12 p.m. | |
¿No Hablas Español? No problemo! | 101 | Sept. 10, 2012, 10:24 p.m. | |
A modified homophonic cipher with reduced alphabets — Part 2 | 100 | Sept. 9, 2012, 7:15 p.m. | |
A modified homophonic cipher with reduced alphabets — Part 1 | 100 | Sept. 9, 2012, 5:03 p.m. | |
Grille Cipher | 100 | Sept. 9, 2012, 4:34 a.m. | |
The Book Code: A Challenge for Bookworms | 101 | Sept. 9, 2012, 2:27 a.m. | |
How do you become a big cryptographer? | 101 | Sept. 9, 2012, 12:45 a.m. | |
Modified Caesar Cipher | 100 | Aug. 26, 2012, 10:03 p.m. | |
Affine Codes / Modulo Arithmetic with N / Extended Euclid | 100 | Aug. 26, 2012, 8:17 p.m. | |
Number Sequence — Part 3 | 101 | Aug. 26, 2012, 5:36 p.m. | |
Number Sequence — Part 4 | 101 | Aug. 26, 2012, 5:09 p.m. | |
Beaver Code | 108 | Aug. 26, 2012, 4:36 p.m. | |
Letter to the Templars — Part 2 | 104 | Aug. 26, 2012, 3:53 p.m. | |
Letter to the Templars — Part 1 | 102 | Aug. 26, 2012, 2:33 a.m. | |
Number Sequence — Part 2 | 106 | July 27, 2011, 3:47 p.m. | |
Number Sequence | 100 | July 27, 2011, 3:14 p.m. | |
Classical Ciphers^3 | 100 | July 27, 2011, 2:48 p.m. | |
Original Caesar Cipher | 100 | July 27, 2011, 2:11 p.m. | |
Caesar Encryption | 100 | July 27, 2011, 2:08 p.m. |