Account

Name
DS
Username
DS8279
Joined
June 28, 2020, 3:56 p.m.

Rank
60
Points
34,191
Trophies
Gold0
Silver0
Bronze0

Active Challenges (1)

LevelNameAttemptsDate
Enigma Combinatorics2 / 20Aug. 9, 2020, 2:37 p.m.

Solved Challenges (70)

LevelNamePointsDate
Lightweight Introduction to Lattices — Part 1100Aug. 19, 2021, 3:48 p.m.
AES ECB Wrong Encoding1,109Aug. 17, 2021, 9:58 p.m.
BCR code (Book-Caesar-RSA)1,085Aug. 16, 2021, 7:10 p.m.
AES key — encoded in the machine readable zone of a European ePassport1,084Aug. 14, 2021, 2:26 p.m.
Not-so-Secret Message from Malawi — Part II (ECC)1,081Aug. 13, 2021, 8:01 p.m.
Modular Sequences100Dec. 20, 2020, 10:37 p.m.
Fastest in the West1,121Dec. 20, 2020, 11:20 a.m.
Summer Job1,122Nov. 19, 2020, 9:40 p.m.
Molehunt (Part 3/3)1,083Nov. 18, 2020, 6:47 p.m.
Recycled One-Time Pad100Nov. 18, 2020, 3:16 p.m.
M-138 — Part 31,096Nov. 18, 2020, 1:01 p.m.
Number Sequence — Part 10100Nov. 17, 2020, 10:39 p.m.
Enigma Part 21,083Nov. 17, 2020, 3:32 p.m.
Cryptanalysis Hacking Puzzles — Part 1100Sept. 4, 2020, 4 p.m.
Unconcealed RSA messages1,086Aug. 30, 2020, 12:24 p.m.
Double Columnar Transposition100Aug. 26, 2020, 2:24 p.m.
Nils away on travel100Aug. 26, 2020, 1:27 p.m.
Playfair with hints about the grid100Aug. 8, 2020, 12:01 p.m.
Playfair Encryption100Aug. 8, 2020, 11:39 a.m.
Partial Key Exposure with RSA — Part 11,087Aug. 7, 2020, 6:54 p.m.
Smartcard RSA1,083Aug. 7, 2020, 5:49 p.m.
ECDH-Key Exchange for Beginners100Aug. 6, 2020, 9:04 p.m.
Pigpen with a twist — Part 1100Aug. 5, 2020, 9:38 p.m.
Autokey Cipher100Aug. 4, 2020, 11:04 p.m.
Molehunt (Part 2/3)100Aug. 4, 2020, 6:16 p.m.
Molehunt (Part 1/3)100Aug. 4, 2020, 4:53 p.m.
Enigma Part 11,083Aug. 4, 2020, 11:01 a.m.
RSA: Two different keys — same ciphertext1,085Aug. 3, 2020, 5:48 p.m.
Number Sequence — Part 8100Aug. 3, 2020, 10:14 a.m.
Number Sequence — Part 4100Aug. 3, 2020, 10:01 a.m.
¿No Hablas Español? No problemo!100July 22, 2020, 4:29 p.m.
Cryptanalysis Hacking Puzzles — Part 2100July 22, 2020, 3:45 p.m.
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1100July 22, 2020, 3:11 p.m.
Hybrid Encryption I1,083July 22, 2020, 1:01 p.m.
Lightweight Introduction to Lattices — Part 31,576July 22, 2020, 12:14 p.m.
Lattice Part 11,084July 22, 2020, 10:54 a.m.
M-138 — Part 21,097July 17, 2020, 11:33 a.m.
Enigma Messages with Repeated Letters — Part 1100July 17, 2020, 10:14 a.m.
M-138 — Part 1100July 15, 2020, 6:26 p.m.
Reserve Hand Procedure — Part 1100July 15, 2020, 5:23 p.m.
How do you become a big cryptographer?100July 15, 2020, 3:50 p.m.
Modified Caesar Cipher100July 15, 2020, 3:24 p.m.
From Russia with Love100July 15, 2020, 1:13 p.m.
Snow White and the seven dwarfs100July 15, 2020, 11:35 a.m.
Factorization Cipher — Part 31,086July 15, 2020, 10:52 a.m.
Number Sequence — Part 3100July 8, 2020, 4:09 p.m.
Factorization Cipher — Part 21,086July 6, 2020, 5:21 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space1,083July 6, 2020, 11:42 a.m.
One-Time Pad with Flaws100July 5, 2020, 3:33 p.m.
Advent-Challenge — Part 1100July 5, 2020, 2:59 p.m.
A modified homophonic cipher with reduced alphabets — Part 2100July 3, 2020, 8:05 p.m.
A modified homophonic cipher with reduced alphabets — Part 1100July 3, 2020, 7:50 p.m.
Grille Cipher100July 3, 2020, 5:54 p.m.
Factorization Cipher — Part 1100July 3, 2020, 4:50 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid100July 3, 2020, 4:17 p.m.
Monoalphabetic Substitution100July 1, 2020, 10:40 p.m.
Letter to the Templars — Part 31,089July 1, 2020, 5:29 p.m.
A hidden word100July 1, 2020, 5:17 p.m.
Letter to the Templars — Part 2100July 1, 2020, 5:10 p.m.
Letter to the Templars — Part 1100July 1, 2020, 5:03 p.m.
Not-so-Secret Message from Malawi — Part I (RSA)1,083July 1, 2020, 4:55 p.m.
Alice's Birthday Party (Part 2)1,083July 1, 2020, 11:46 a.m.
Alice's Birthday Party (Part 1)1,083June 29, 2020, 10:19 p.m.
Broadcasting and low exponent — RSA Attack1,085June 29, 2020, 8:09 p.m.
Beaver Code100June 28, 2020, 10:51 p.m.
Caesar Encryption100June 28, 2020, 7:33 p.m.
Original Caesar Cipher100June 28, 2020, 6:31 p.m.
Cracking SHA1-Hashed Passwords1,085June 28, 2020, 6:09 p.m.
Number Sequence — Part 2100June 28, 2020, 6:06 p.m.
Number Sequence100June 28, 2020, 6:03 p.m.

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