Using libnacl + pylibscrypt

_ucoinpy_test/documents/test_block.py

_ucoinpy_test/documents/test_certification.py

_ucoinpy_test/documents/test_membership.py

_ucoinpy_test/documents/test_transaction.py

ucoinpy/api/bma/tx/__init__.py

ucoinpy/documents/__init__.py

ucoinpy/key/__init__.py