About

If you're going to be at DEFCON 2016 be sure to check us out at the Crypto Village. We'll be hosting a contest, registration opens at 10am Friday, contest starts at noon Friday and goes until Saturday afternoon.

Problems

Intro to Hashing

Hashing is a vital concept in cryptography.

Solved by 397
Intro to PGP

PGP is the gold standard for private communication between individuals.

Solved by 274
Hello PGP

Can you use PGP programmatically?

Solved by 176
Hello OpenSSL

Can you read and use an OpenSSL RSA key?

Solved by 108
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