Account

Name

kyprizel

Username

kyprizel

Joined

Oct. 16, 2010, 5:52 p.m.

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Rank

98

Points

20,795

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Forum profile

Active Challenges (2)

Level	Name	Attempts	Date
	Lattice Part 1	3 / 999	Sept. 10, 2011, 11:23 p.m.
	Caesar Encryption	1 / 15	Nov. 2, 2010, 6:37 a.m.

Solved Challenges (18)

Level	Name	Points	Date
	Affine Codes / Modulo Arithmetic with N / Extended Euclid	200	Sept. 9, 2011, 1:47 p.m.
	Unusual encryption using a diophantine equation	1,613	Sept. 7, 2011, 11:26 a.m.
	Pigpen with a twist — Part 1	200	Sept. 6, 2011, 12:53 p.m.
	Smartcard RSA	1,166	Aug. 23, 2011, 1:41 p.m.
	RSA: Two different keys — same ciphertext	1,725	Aug. 18, 2011, 2:27 p.m.
	Number Sequence — Part 2	103	Aug. 14, 2011, 11:34 a.m.
	Original Caesar Cipher	100	Aug. 11, 2011, 2:19 p.m.
	Broadcasting and low exponent — RSA Attack	1,391	Aug. 10, 2011, 5:08 p.m.
	ORYX Stream Cipher Part I	1,188	May 1, 2011, 6:17 p.m.
	Enigma Part 2	1,188	April 30, 2011, 1:57 p.m.
	Cracking SHA1-Hashed Passwords	1,660	April 8, 2011, 9:36 p.m.
	Hybrid Encryption I	1,824	Nov. 3, 2010, 11:26 a.m.
	Enigma Part 1	1,469	Oct. 25, 2010, 11:55 a.m.
	Not-so-Secret Message from Malawi — Part I (RSA)	1,660	Oct. 18, 2010, 6:51 a.m.
	Alice's Birthday Party (Part 1)	1,725	Oct. 16, 2010, 10:05 p.m.
	Number Sequence	133	Oct. 16, 2010, 8:43 p.m.
	Brute-Force-Attack on Triple-DES with Reduced Key Space	1,725	Oct. 16, 2010, 8:24 p.m.
	Alice's Birthday Party (Part 2)	1,725	Oct. 16, 2010, 8 p.m.