Account

Name
Silvia Kortmann
Username
mikinsget
Joined
Oct. 19, 2010, 10:14 p.m.

Points
35,093
Rank
65
Trophies
Gold0
Silver0
Bronze0

Progress
Level I Challenges
37 / 93
Level II Challenges
27 / 179
Level III Challenges
0 / 77
Level X Challenges
0 / 18

Solved Challenges (64)

LevelNamePointsDate
AES key — encoded in the machine readable zone of a European ePassport1,079Dec. 27, 2023, 12:17 a.m.
Enigma Messages100Sept. 23, 2023, 2:16 p.m.
Trifid Cipher100July 12, 2023, 2:45 a.m.
Number Sequence — Part 10100July 9, 2023, 1:06 a.m.
Fastest in the West1,101March 29, 2023, midnight
Unconcealed RSA messages1,080March 25, 2023, 4:45 p.m.
Number Sequence100Dec. 17, 2022, 6:39 p.m.
The Syllabary Cipher – Part 1200Oct. 28, 2022, 8:44 p.m.
Merkle-Hellman Knapsack Challenge - Part 1200Oct. 15, 2022, 4:31 a.m.
Modified Caesar Cipher100Aug. 6, 2022, 9:53 p.m.
Caesar Encryption100Aug. 6, 2022, 2:56 a.m.
Snow White and the seven dwarfs100July 9, 2022, 6:17 p.m.
Partial Key Exposure with RSA — Part 11,082July 3, 2022, 11:55 p.m.
Cracking SHA1-Hashed Passwords1,080July 3, 2022, 7:50 p.m.
Smartcard RSA1,080April 15, 2022, 7:42 p.m.
The Book Code: A Challenge for Bookworms100April 14, 2022, 12:11 a.m.
Nils away on travel100April 2, 2022, 10:10 p.m.
Alberti Challenge — Part 1200March 27, 2022, 2:59 p.m.
The Last Note100March 15, 2022, 12:25 a.m.
Number Sequence — Part 8100March 2, 2022, 2:16 p.m.
ECDH-Key Exchange for Beginners100Feb. 18, 2022, 10:13 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,080Feb. 16, 2022, 11:55 p.m.
Cryptanalysis Hacking Puzzles — Part 2100Feb. 14, 2022, 11:06 p.m.
Modular Sequences100Feb. 12, 2022, 5:31 p.m.
Advent-Challenge — Part 1100Feb. 4, 2022, 7:44 p.m.
BCR code (Book-Caesar-RSA)1,084Feb. 1, 2022, 2:19 a.m.
A hidden word100Jan. 23, 2022, 11:26 p.m.
Enigma Messages with Repeated Letters — Part 1100Jan. 21, 2022, 1:27 a.m.
One-Time Pad with Flaws100Oct. 24, 2021, 9:27 p.m.
M-138 — Part 21,093July 31, 2021, 11:47 a.m.
M-138 — Part 1100July 24, 2021, 11:44 p.m.
Advent Challenge — Part 41,110July 22, 2021, 12:16 p.m.
New Year's Greetings — Part 1100July 22, 2021, 12:11 p.m.
Lattice Part 11,082July 16, 2021, 10:40 p.m.
Wheatstone Cryptograph — Part 1101July 7, 2021, 1:01 a.m.
Hill Cipher with Sudoku Key100July 4, 2021, 6:47 p.m.
Factorization Cipher — Part 31,084May 2, 2021, 5:38 p.m.
The Einstein Enigma1,113April 18, 2021, 2:58 p.m.
Molehunt (Part 2/3)100April 12, 2021, 5:48 p.m.
Molehunt (Part 1/3)100April 12, 2021, 3:12 a.m.
Monoalphabetic Substitution100April 7, 2021, 1:10 p.m.
Autokey Cipher100March 20, 2021, 8:07 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100Feb. 22, 2021, 1:59 p.m.
Factorization Cipher — Part 21,085Feb. 11, 2021, 4:35 p.m.
Factorization Cipher — Part 1100Jan. 26, 2021, 7:24 p.m.
Advent Challenge — Part 31,115Dec. 26, 2020, 2:21 p.m.
AES ECB Wrong Encoding1,120July 26, 2020, 1:55 a.m.
Lightweight Introduction to Lattices — Part 31,824July 18, 2020, 10:43 a.m.
Handycipher made in love — Part 21,152July 4, 2020, 4:11 p.m.
Handycipher made in love — Part 11,144July 3, 2020, 12:30 p.m.
Trendy Messenger1,406June 29, 2018, 10:26 a.m.
Summer Job1,433June 26, 2018, 1:36 a.m.
Alice's Birthday Party (Part 2)1,089May 17, 2018, 2:28 a.m.
Advent-Challenge — Part 21,203May 17, 2018, 1:25 a.m.
Alice's Birthday Party (Part 1)1,089May 15, 2018, 10:35 p.m.
RSA: Two different keys — same ciphertext1,092May 9, 2018, 12:56 a.m.
Broadcasting and low exponent — RSA Attack1,092May 7, 2018, 3:02 p.m.
Letter from the Alleged Countess Julie von Ortenburg100Nov. 26, 2017, 3:37 a.m.
Letter to the Templars — Part 2100Oct. 29, 2017, 3:50 a.m.
Letter to the Templars — Part 31,100Oct. 29, 2017, 3:35 a.m.
Letter to the Templars — Part 1100Oct. 29, 2017, 12:40 a.m.
Beaver Code100April 23, 2017, 7:35 p.m.
Number Sequence — Part 2100April 23, 2017, 7:34 p.m.
Original Caesar Cipher100Dec. 5, 2012, 1:39 a.m.

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