tree f004c4b1a53b51ee080ced41312f66129bf754ba
parent 0ace84a193a73e3220b3f74d7de6bbc2b6745368
author Shawn Willden <swillden@google.com> 1608569902 -0700
committer Shawn Willden <swillden@google.com> 1613574507 -0700

Add KeyPurpose::ATTEST_KEY.

This allows applications to generate their own attestation keys and
then use them to attest other application-generated keys.

Bug: 171845652
Test: VtsAidlKeyMintTargetTest
Change-Id: I32add16dcc2d1b29665a88024610f7bef7e50200