Fix unchecked length in Blob creation

Applications can specify arbitrary blobs using insert(), check their
length to prevent overflow issues.

Bug:22802399
Change-Id: I4097bd891c733914df70da5e2c58783081d913bf
1 file changed
tree: f23e09f347d3c921468f0bbb3d15c9363c8a8d01
  1. keystore-engine/
  2. keystore/
  3. softkeymaster/