This change updates the KMIP object model to support explicitly
storing key wrapping data attributes. Key wrapping data is treated
externally as a dictionary and is stored as individual fields in
the back end. Various unit tests have been updated and added to
support these additions.
The code for persisting symmetric keys in a database has been added
along with the corresponding unit tests.
The usage mask list for cryptographic objects is stored as an integer bitmask.
The conversion takes place with a new SQLAlchemy type.
Switched ManagedObject value type to VARBINARY. This prevents errors from
occuring when trying to convert to a string.
This change makes some minor updates to the Pie key object hierarchy. It
fixes the key subclasses to inherit from Key directly. It adds in
support for the key format type attribute, which is required for
low-level key encoding. It also improves repr and str functionality by
using binascii.hexlify to represent the key values. The corresponding
test suites are updated accordingly to reflect these changes.
This change adds SymmetricKey to the Pie object hierarchy along with a
test suite and updates to the other classes and test suites composing
the Pie interface.
