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-rw-r--r--src/crypto/hkdf_sha256_32.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/crypto/hkdf_sha256_32.h b/src/crypto/hkdf_sha256_32.h
index fa1e42aec1..878b03a37f 100644
--- a/src/crypto/hkdf_sha256_32.h
+++ b/src/crypto/hkdf_sha256_32.h
@@ -7,8 +7,8 @@
#include <crypto/hmac_sha256.h>
+#include <cstdlib>
#include <stdint.h>
-#include <stdlib.h>
/** A rfc5869 HKDF implementation with HMAC_SHA256 and fixed key output length of 32 bytes (L=32) */
class CHKDF_HMAC_SHA256_L32