Add ECDSA and RSA verify Wycheproof drivers.

Along the way, add some utility functions for getting common things
(curves, hashes, etc.) in the names Wycheproof uses.

Change-Id: I09c11ea2970cf2c8a11a8c2a861d85396efda125
Reviewed-on: https://boringssl-review.googlesource.com/27786
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/crypto/test/CMakeLists.txt b/crypto/test/CMakeLists.txt
index 46a40f8..90707dd 100644
--- a/crypto/test/CMakeLists.txt
+++ b/crypto/test/CMakeLists.txt
@@ -6,6 +6,7 @@
   file_test.cc
   malloc.cc
   test_util.cc
+  wycheproof_util.cc
 )
 
 add_library(