Account

Name

Christian

Username

Etschupu

Joined

Oct. 23, 2010, 10:37 a.m.

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Points

31,788

Rank

71

Trophies

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Silver1

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Forum profile

Active Challenges (2)

Level	Name	Attempts	Date
	A really long number sequence	6 / 40	July 27, 2012, 11:50 a.m.
	Partial Key Exposure with RSA — Part 1	12 / 15	July 10, 2012, 2:50 p.m.

Solved Challenges (16)

Level	Name	Points	Date
	Hybrid Encryption I	1,134	July 27, 2012, 1:43 p.m.
	Cracking SHA1-Hashed Passwords	1,146	July 23, 2012, 6:15 p.m.
	Not-so-Secret Message from Malawi — Part II (ECC)	1,134	July 19, 2012, 3:13 p.m.
	RSA: Two different keys — same ciphertext	1,161	July 17, 2012, noon
	Not-so-Secret Message from Malawi — Part I (RSA)	1,134	July 13, 2012, 10:42 a.m.
	Broadcasting and low exponent — RSA Attack	1,159	July 11, 2012, 10:42 a.m.
	Unusual encryption using a diophantine equation	1,164	July 11, 2012, 10:24 a.m.
	How do you become a big cryptographer?	102	July 9, 2012, 4:57 p.m.
	Unconcealed RSA messages	1,175	July 9, 2012, 1:53 p.m.
	Kaskade-S/T — Part 2	1,145	July 3, 2012, 2:06 p.m.
	Kaskade-S/T — Part 1	100	June 29, 2012, 8:36 a.m.
	Number Sequence	106	Oct. 31, 2010, 10 p.m.
	Smartcard RSA	1,547	Oct. 31, 2010, 5:09 p.m.
	Alice's Birthday Party (Part 2)	1,406	Oct. 30, 2010, 5:02 p.m.
	Alice's Birthday Party (Part 1)	1,406	Oct. 30, 2010, 5:02 p.m.
	RSA with Special d	16,769	Oct. 30, 2010, 12:12 p.m.