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CipherChallenge
2566 Members,
Archives:
Public
To exchange views and discuss the "£10,000 cipher challenge" in Simon Singh's "The Code Book." The challenge was solved on October 12, 2000, by Fredrik Almgren, Gunnar Andersson, ...( more)
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Kryptos
1200 Members,
Archives:
Membership required
Kryptos is a sculpture located at CIA HQ containing an encrypted message. Three of the four parts have been solved. This group is for people interested in working together to find a ...( more)
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Elgar-Cipher
366 Members,
Archives:
Membership required
Attempts to Crack the cipher sent by composer Edward Elgar to Dora Penny in 1897
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codesciphersandsecretstuff
Codes, Ciphers and Secret Stuff HETRN ONXPG QQXIP IOBAC JAEHL ECCXH ZXJDZ Ciphers and Secret Stuff is dedicated to the interest and study of cryptography, from the early Caesar cipher ...( more)
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seniors07
148 Members,
Archives:
Membership required
yeah!
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PoeCipher
This group relates to the Poe Cipher and the associated contest (found at http://www.bokler.com/eapoe.html) and theories as to how to break it.
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ex-navsecgru
66 Members,
Archives:
Membership required
Discussion area for present and former members of the Naval Security Group. No classified information allowed!
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maryyy19au
45 Members,
Archives:
Membership required
activaties
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sls97
41 Members,
Archives:
Membership required
SLS Graduating class of 1997 (*ATN); intelligent discourse on matters of world politik...and how Joe is gay.
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crypto2k1
37 Members,
Archives:
Membership required
This group is exclusively for those who are working/interested in dynamic field cryptology.
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