Update src/lib/pubkey/frodokem/frodokem_common/frodo_matrix.cpp

Co-authored-by: René Meusel <[email protected]>
randombit · Oct 20, 2024 · d008c3e · d008c3e
1 parent 8d70463
commit d008c3e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/lib/pubkey/frodokem/frodokem_common/frodo_matrix.cpp b/src/lib/pubkey/frodokem/frodokem_common/frodo_matrix.cpp
@@ -79,8 +79,8 @@ FrodoMatrix FrodoMatrix::sample(const FrodoKEMConstants& constants,
    load_le<uint16_t>(elements.data(), r.data(), n);
 
    for(auto& elem : elements) {
-      const uint16_t prnd = CT::value_barrier(elem >> 1);         // Drop the least significant bit
-      const auto sign = CT::Mask<uint16_t>::expand_bit(elem, 0);  // Pick the least significant bit
+      const auto prnd = CT::value_barrier(static_cast<uint16_t>(elem >> 1));  // Drop the least significant bit
+      const auto sign = CT::Mask<uint16_t>::expand_bit(elem, 0);              // Pick the least significant bit
 
       uint32_t sample = 0;  // Avoid integral promotion