mincrypt: merge the two RSA verifiers

The e=3 and e=65537 implementations are nearly identical, refactor
them down into one.

(cherry picked from commit 8fdbf97652b76b19b4faff522ddcf4a9da543a86)

Change-Id: I9f858204d52a0ae880170d955bf8f29fed57ee94
6 files changed
tree: ac70de0ec85605fb9c89b3845bf9758f1c457c7b
  1. Android.mk
  2. NOTICE
  3. include/
  4. rsa.c
  5. sha.c
  6. sha256.c
  7. test/
  8. tools/