More MSVC warnings fixes

1 files changed, 3 insertions, 2 deletions

diff --git a/src/lib/modes/aead/ccm/ccm.cpp b/src/lib/modes/aead/ccm/ccm.cpp
index db0d2d58b..b7f81e5ab 100644
--- a/src/lib/modes/aead/ccm/ccm.cpp
+++ b/src/lib/modes/aead/ccm/ccm.cpp
@@ -136,7 +136,8 @@ secure_vector<uint8_t> CCM_Mode::format_b0(size_t sz)
    {
    secure_vector<uint8_t> B0(CCM_BS);
 
-   const uint8_t b_flags = (m_ad_buf.size() ? 64 : 0) + (((tag_size()/2)-1) << 3) + (L()-1);
+   const uint8_t b_flags =
+      static_cast<uint8_t>((m_ad_buf.size() ? 64 : 0) + (((tag_size()/2)-1) << 3) + (L()-1));
 
    B0[0] = b_flags;
    copy_mem(&B0[1], m_nonce.data(), m_nonce.size());
@@ -149,7 +150,7 @@ secure_vector<uint8_t> CCM_Mode::format_c0()
    {
    secure_vector<uint8_t> C(CCM_BS);
 
-   const uint8_t a_flags = L()-1;
+   const uint8_t a_flags = static_cast<uint8_t>(L() - 1);
 
    C[0] = a_flags;
    copy_mem(&C[1], m_nonce.data(), m_nonce.size());