Key: in setKeyData, just support const Blob& since the Blob constructor makes the necessary conversions.
Key: in setKeyData, just support const Blob& since the Blob constructor makes the necessary conversions.

cawka/packaging-ndn-cpp-dev,cawka/packaging-ndn-cpp-dev,cawka/packaging-ndn-cpp-dev,cawka/packaging-ndn-cpp-dev