# Cryptography References ## Tools * [RsaCtfTool](https://github.com/RsaCtfTool/RsaCtfTool.git) * [featherduster](https://github.com/nccgroup/featherduster.git) ### Online Tools * [cryptool](https://cryptool.org) * [quipquip](https://quipquip.com) * [cryptii](https://cryptii.com/) * [Boxentriq](https://www.boxentriq.com) * [dcode](https://www.dcode.fr) * [factordb](http://factordb.com) ## Encryption Standards * [AES](https://csrc.nist.gov/publications/detail/fips/197/final)