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

2 files changed, 2 insertions, 2 deletions

diff --git a/src/rng/hmac_rng/hmac_rng.cpp b/src/rng/hmac_rng/hmac_rng.cpp
index b9bd65ae1..eb67c7f4e 100644
--- a/src/rng/hmac_rng/hmac_rng.cpp
+++ b/src/rng/hmac_rng/hmac_rng.cpp
@@ -48,7 +48,7 @@ void HMAC_RNG::randomize(byte out[], u32bit length)
 
       const u32bit copied = std::min(K.size(), length);
 
-      copy_mem(out, K.begin(), copied);
+      copy_mem(out, &K[0], copied);
       out += copied;
       length -= copied;
       }
diff --git a/src/rng/randpool/randpool.cpp b/src/rng/randpool/randpool.cpp
index fb8dfcd09..b5e2e2748 100644
--- a/src/rng/randpool/randpool.cpp
+++ b/src/rng/randpool/randpool.cpp
@@ -38,7 +38,7 @@ void Randpool::randomize(byte out[], u32bit length)
    while(length)
       {
       const u32bit copied = std::min(length, buffer.size());
-      copy_mem(out, buffer.begin(), copied);
+      copy_mem(out, &buffer[0], copied);
       out += copied;
       length -= copied;
       update_buffer();