Fix type error

Closes #1747

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/prov/commoncrypto/commoncrypto_utils.cpp b/src/lib/prov/commoncrypto/commoncrypto_utils.cpp
index 97da49496..055f19f90 100644
--- a/src/lib/prov/commoncrypto/commoncrypto_utils.cpp
+++ b/src/lib/prov/commoncrypto/commoncrypto_utils.cpp
@@ -176,7 +176,7 @@ void commoncrypto_adjust_key_size(const uint8_t key[], size_t length,
          }
 
       full_key.resize(length * repeat);
-      for(int i=0; i<repeat; i++)
+      for(size_t i = 0; i < repeat; i++)
          {
          copy_mem(full_key.data() + i * length, key, length);
          }