Deprecate BigInt::shrink_to_fit

Add const-time annotations to gcd implementation.

1 files changed, 2 insertions, 4 deletions

diff --git a/src/lib/math/bigint/bigint.cpp b/src/lib/math/bigint/bigint.cpp
index 96ca92b35..ad9e5a0da 100644
--- a/src/lib/math/bigint/bigint.cpp
+++ b/src/lib/math/bigint/bigint.cpp
@@ -505,10 +505,8 @@ void BigInt::ct_cond_assign(bool predicate, const BigInt& other)
       this->set_word_at(i, mask.select(o_word, t_word));
       }
 
-   if(sign() != other.sign())
-      {
-      cond_flip_sign(predicate);
-      }
+   const bool different_sign = sign() != other.sign();
+   cond_flip_sign(predicate && different_sign);
    }
 
 #if defined(BOTAN_HAS_VALGRIND)