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-rw-r--r--src/lib/kdf/hkdf/hkdf.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/kdf/hkdf/hkdf.cpp b/src/lib/kdf/hkdf/hkdf.cpp
index 63085d191..6ccd786c3 100644
--- a/src/lib/kdf/hkdf/hkdf.cpp
+++ b/src/lib/kdf/hkdf/hkdf.cpp
@@ -103,7 +103,7 @@ hkdf_expand_label(const std::string& hash_fn,
prefix[2] = static_cast<uint8_t>(label.size());
copy_mem(prefix.data() + 3,
- reinterpret_cast<const uint8_t*>(label.data()),
+ cast_char_ptr_to_uint8(label.data()),
label.size());
prefix[3 + label.size()] = static_cast<uint8_t>(hash_val_len);