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Name

Flo

Username

sealth

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Jan. 13, 2014, 4:45 p.m.

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25,734

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Active Challenges (1)

Level	Name	Attempts	Date
	Factorization Cipher — Part 3	4 / 15	May 12, 2021, 8:53 p.m.

Solved Challenges (57)

Name	Points	Date
Partial Key Exposure with RSA — Part 1	1,086	Nov. 16, 2020, 2:04 a.m.
Lightweight Introduction to Lattices — Part 2	101	Nov. 15, 2020, 8:35 p.m.
Lightweight Introduction to Lattices — Part 1	101	Nov. 15, 2020, 7:48 p.m.
Playfair with hints about the grid	100	Nov. 15, 2020, 6:50 p.m.
Playfair Encryption	100	Nov. 15, 2020, 6:45 p.m.
Enigma Part 1	1,083	Nov. 15, 2020, 6:31 p.m.
Enigma Part 2	1,083	Nov. 15, 2020, 6:11 p.m.
Advent Challenge — Part 4	1,116	Nov. 15, 2020, 5:38 p.m.
Advent Challenge — Part 3	1,116	Nov. 15, 2020, 2:11 p.m.
Advent-Challenge — Part 2	1,116	Nov. 15, 2020, 1:41 p.m.
Reserve Hand Procedure — Part 1	100	Nov. 15, 2020, 4:23 a.m.
Molehunt (Part 3/3)	1,083	Nov. 15, 2020, 3:35 a.m.
Molehunt (Part 2/3)	100	Nov. 15, 2020, 3:27 a.m.
Molehunt (Part 1/3)	100	Nov. 15, 2020, 3:24 a.m.
Number Sequence — Part 7	100	Nov. 15, 2020, 12:56 a.m.
M-138 — Part 1	100	Nov. 15, 2020, 12:27 a.m.
Number Sequence — Part 9	100	Nov. 15, 2020, 12:18 a.m.
Number Sequence — Part 6	100	Nov. 15, 2020, 12:12 a.m.
Number Sequence — Part 10	100	Nov. 15, 2020, 12:08 a.m.
A really long number sequence	1,085	Nov. 14, 2020, 11:37 p.m.
M-138 — Part 3	1,096	Nov. 14, 2020, 9:34 p.m.
M-138 — Part 2	1,096	Nov. 14, 2020, 9:21 p.m.
Advent-Challenge — Part 1	100	Nov. 14, 2020, 8:13 p.m.
Number Sequence — Part 8	100	Aug. 27, 2016, 12:18 a.m.
Not-so-Secret Message from Malawi — Part I (RSA)	1,096	Aug. 24, 2016, 12:50 a.m.
Modified Caesar Cipher	100	Aug. 22, 2016, 6:32 p.m.
From Russia with Love	100	Aug. 22, 2016, 5:30 p.m.
Hybrid Encryption I	1,096	Aug. 22, 2016, 2:48 p.m.
RSA: Two different keys — same ciphertext	1,100	Aug. 22, 2016, 5:45 a.m.
Broadcasting and low exponent — RSA Attack	1,100	Aug. 22, 2016, 4:17 a.m.
Alice's Birthday Party (Part 2)	1,096	Aug. 22, 2016, 3:11 a.m.
Alice's Birthday Party (Part 1)	1,096	Aug. 22, 2016, 2:35 a.m.
One-Time Pad with Flaws	100	Sept. 9, 2014, 7:52 p.m.
A modified homophonic cipher with reduced alphabets — Part 2	100	Sept. 8, 2014, 11:20 p.m.
A modified homophonic cipher with reduced alphabets — Part 1	100	Sept. 8, 2014, 11:06 p.m.
Pigpen with a twist — Part 1	100	Sept. 8, 2014, 10:19 p.m.
Factorization Cipher — Part 2	1,118	Sept. 7, 2014, 4:33 p.m.
Brute-Force-Attack on Triple-DES with Reduced Key Space	1,107	Sept. 6, 2014, 3:15 p.m.
Number Sequence — Part 5	100	June 22, 2014, 4:43 p.m.
Cracking SHA1-Hashed Passwords	1,116	Feb. 23, 2014, 3:40 p.m.
Affine Codes / Modulo Arithmetic with N / Extended Euclid	100	Feb. 8, 2014, 10:04 p.m.
Monoalphabetic Substitution	100	Feb. 8, 2014, 9:27 p.m.
Snow White and the seven dwarfs	100	Feb. 8, 2014, 6:43 p.m.
Number Sequence — Part 4	100	Feb. 8, 2014, 6:04 p.m.
How do you become a big cryptographer?	100	Jan. 21, 2014, 9:10 p.m.
Grille Cipher	100	Jan. 21, 2014, 7:38 p.m.
A hidden word	100	Jan. 20, 2014, 11:44 p.m.
Letter to the Templars — Part 2	100	Jan. 19, 2014, 9:44 p.m.
Letter to the Templars — Part 3	1,147	Jan. 15, 2014, 12:12 a.m.
Factorization Cipher — Part 1	100	Jan. 14, 2014, 11:51 p.m.
Letter to the Templars — Part 1	100	Jan. 14, 2014, 11:40 p.m.
Number Sequence — Part 3	100	Jan. 14, 2014, 10:25 p.m.
Number Sequence	100	Jan. 13, 2014, 7:38 p.m.
Beaver Code	100	Jan. 13, 2014, 7:09 p.m.
Caesar Encryption	100	Jan. 13, 2014, 6:43 p.m.
Number Sequence — Part 2	100	Jan. 13, 2014, 6:21 p.m.
Original Caesar Cipher	100	Jan. 13, 2014, 5:49 p.m.