* Avoid decoding SignatureInfo multiple times while validating an Interest
* Fix handling of signed Interests with malformed InterestSignatureInfo
* Report a NO_SIGNATURE error when SignatureInfo is missing or malformed
* Fail with POLICY_ERROR in ValidationPolicySimpleHierarchy when the
signing identity violates the policy
* Reduce code duplication
* Expand unit test coverage
Change-Id: I1c9d532b2307d5df8f4bd75152af57a4e10835aa
Security v1-v2 transition has been completed for a while and path
separation is no longer needed. However, this commit preserves
`ndn::security::v2` namespace, but makes it inline.
Some commonly used v2 headers are preserved, but are deprecated and
should be avoided in the dependent software.
Change-Id: I26056cb3d34bcdc0a16e06dea8c1a78c03da2d40
Davide Pesavento
Eric Newberry
Alexander Afanasyev