implement DSA - for now only sign (with blinding) and verify
add documentation of DSA
provide DSA tests from NIST
build Dsa and Dsa_tests
regenerate
add DSA to changes
implement RFC6979 -- deterministic usage of DSA/ECDSA
export generate_k
RFC6979 test cases for deterministic usage of DSA
Merge pull request #37 from mirleft/dsa

DSA support