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-rw-r--r--lib/crypto/c_src/cmac.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/crypto/c_src/cmac.h b/lib/crypto/c_src/cmac.h
index 14488def58..04c742b2dc 100644
--- a/lib/crypto/c_src/cmac.h
+++ b/lib/crypto/c_src/cmac.h
@@ -23,6 +23,12 @@
#include "common.h"
-ERL_NIF_TERM cmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+#if defined(HAVE_CMAC) && !defined(HAVE_EVP_PKEY_new_CMAC_key)
+
+int cmac_low_level(ErlNifEnv* env,
+ ErlNifBinary key_bin, const EVP_CIPHER* cipher, ErlNifBinary text,
+ ErlNifBinary *ret_bin, int *ret_bin_alloc, ERL_NIF_TERM *return_term);
+
+#endif
#endif /* E_CMAC_H__ */