I did a search, no results, so thought you might be interested.
They email you challenges, for any skill level, in an attempt to help you understand code security by doing.
The only rule is please do not post the questions or answers on the public domain so not to ruin it for anyone else.
http://www.matasano.com/articles/crypto-challenges/
http://blog.pinboard.in/2013/04/the_matasano_crypto_challenges/
They email you challenges, for any skill level, in an attempt to help you understand code security by doing.
The only rule is please do not post the questions or answers on the public domain so not to ruin it for anyone else.
http://www.matasano.com/articles/crypto-challenges/
http://blog.pinboard.in/2013/04/the_matasano_crypto_challenges/