Add a size hook to RSA_METHOD.

This is to avoid having to copy over the RSA modulus in all of Chromium's
platform-specific keys.

Change-Id: I20bf22446a5cfb633b900c3b392b7a1da81a5431
Reviewed-on: https://boringssl-review.googlesource.com/1151
Reviewed-by: Adam Langley <agl@google.com>
3 files changed