Question score of 10 or more. This badge can be awarded multiple times.
earned this badge 3 times
Awarded jul 22 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