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+- Build RSA test cases from Haskell examples
+- Build DSA test cases from Haskell examples
+- Add negative test cases (RSA, DSA, ECDSA)
+- Make Point::double_scalar_mult() not truly awful
+- Use std::Default instead of the bespoke default() in Point?
+- Run rustfmt on this stuff
+- Run clippy on this stuff
+- De-macro. Surely some of this stuff could be turned into trait invocations?
+- Test cases for key generation
+- Better, timing-resistant ECC point math
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