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earned this badge 4 times
Awarded jun 13 '14 at 10:32
Awarded jul 22 '13 at 12:58
Could one construct a cipher that is secure for friendly parties to use but insecure for hostile parties?
Awarded jan 7 '13 at 7:01
What is the general justification for the hardness of finding preimages for cryptographic hash functions?
Awarded oct 14 '12 at 16:07