tree d5ffe3cde80c31a57cfa9d135bc946074b920c66
parent 40e4ecb793e057d3c8b01a489603d7f90bafe53c
author David Benjamin <davidben@google.com> 1510481004 +0800
committer Adam Langley <agl@google.com> 1511195028 +0000

Add bn_mod_exp_mont_small and bn_mod_inverse_prime_mont_small.

These can be used to invert values in ECDSA. Unlike their BIGNUM
counterparts, the caller is responsible for taking values in and out of
Montgomery domain. This will save some work later on in the ECDSA
computation.

Change-Id: Ib7292900a0fdeedce6cb3e9a9123c94863659043
Reviewed-on: https://boringssl-review.googlesource.com/23071
Reviewed-by: Adam Langley <agl@google.com>