tree 31fd8ea89fac1421f81042fd897ff79124ee160a
parent e0ae249f035b31b270883690522eae0775a8bbd9
author David Benjamin <davidben@google.com> 1523394041 -0400
committer Adam Langley <agl@google.com> 1524089596 +0000

Fix bn_mod_exp_mont_small when exponentiating to zero.

It's defined to return one in Montgomery form, not a normal one.

(Not that this matters. This function is only used to Fermat's Little
Theorem. Probably it should have been less general, though we'd need to
make new test vectors first.)

Change-Id: Ia8d7588e6a413b25f01280af9aacef0192283771
Reviewed-on: https://boringssl-review.googlesource.com/27285
Reviewed-by: Adam Langley <agl@google.com>