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Full Title

General resource site for Cryptography.


  • Cryptography originally meant Secret Writing and was use by Caesar in his communications from the Gallic wars. Since then it has become a category of mathematics dealing with methods that are easy to invoke and difficult to discover. Commercial Cryptography is involved in:
  1. protecting data from disclosure (its original purpose) and
  2. assuring the source or integrity of messages.


  • Cryptography is hard math that deals with the solution of hard problems. It is not a topic that can be addressed by programmers looking for simple solutions with a limited time budget.


Most programmatic solutions are not sufficiently robust to fend off attacks by determined adversaries.