ACVP will be the replacement for CAVP. CAVP is the FIPS 140 test-vector program. This commit contains some very rough support for ACVP. Currently it only supports hash functions and it's not hard to hit corner cases, but it's enough of a framework to work from. Change-Id: Ifcde18ac560710e252220282acd66d08e7507262 Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/36644 Commit-Queue: Adam Langley <agl@google.com> Reviewed-by: David Benjamin <davidben@google.com>