lib/kdf: Convert &vec[0] to vec.data()

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/kdf/kdf1/kdf1.cpp b/src/lib/kdf/kdf1/kdf1.cpp
index c2a74027b..fa3432467 100644
--- a/src/lib/kdf/kdf1/kdf1.cpp
+++ b/src/lib/kdf/kdf1/kdf1.cpp
@@ -22,7 +22,7 @@ size_t KDF1::kdf(byte key[], size_t key_len,
    if(key_len < m_hash->output_length())
       {
       secure_vector<byte> v = m_hash->final();
-      copy_mem(key, &v[0], key_len);
+      copy_mem(key, v.data(), key_len);
       return key_len;
       }