Anywhere where we use MemoryRegion::begin to get access to the raw pointer

representation (rather than in an interator context), instead use &buf[0],
which works for both MemoryRegion and std::vector

1 files changed, 1 insertions, 1 deletions

diff --git a/src/mac/cbc_mac/cbc_mac.cpp b/src/mac/cbc_mac/cbc_mac.cpp
index 206bce55c..387737eac 100644
--- a/src/mac/cbc_mac/cbc_mac.cpp
+++ b/src/mac/cbc_mac/cbc_mac.cpp
@@ -46,7 +46,7 @@ void CBC_MAC::final_result(byte mac[])
    if(position)
       e->encrypt(state);
 
-   copy_mem(mac, state.begin(), state.size());
+   copy_mem(mac, &state[0], state.size());
    zeroise(state);
    position = 0;
    }