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-rw-r--r--crypto/internal.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/crypto/internal.h b/crypto/internal.h
new file mode 100644
index 0000000000..cc409d8d21
--- /dev/null
+++ b/crypto/internal.h
@@ -0,0 +1,15 @@
+/*
+ * (C) Copyright 2015 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * GPL v2 only
+ */
+
+#ifdef CONFIG_DIGEST_HMAC
+int digest_hmac_register(struct digest_algo *algo, unsigned int pad_length);
+#else
+static inline int digest_hmac_register(struct digest_algo *algo,
+ unsigned int pad_length)
+{
+ return 0;
+}
+#endif