1 files changed, 37 insertions, 0 deletions
diff --git a/security/apparmor/include/crypto.h b/security/apparmor/include/crypto.h
new file mode 100644
index 0000000000..636a04e20d
--- /dev/null
+++ b/security/apparmor/include/crypto.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * AppArmor security module
+ *
+ * This file contains AppArmor policy loading interface function definitions.
+ *
+ * Copyright 2013 Canonical Ltd.
+ */
+
+#ifndef __APPARMOR_CRYPTO_H
+#define __APPARMOR_CRYPTO_H
+
+#include "policy.h"
+
+#ifdef CONFIG_SECURITY_APPARMOR_HASH
+unsigned int aa_hash_size(void);
+char *aa_calc_hash(void *data, size_t len);
+int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start,
+			 size_t len);
+#else
+static inline char *aa_calc_hash(void *data, size_t len)
+{
+	return NULL;
+}
+static inline int aa_calc_profile_hash(struct aa_profile *profile, u32 version,
+				       void *start, size_t len)
+{
+	return 0;
+}
+
+static inline unsigned int aa_hash_size(void)
+{
+	return 0;
+}
+#endif
+
+#endif /* __APPARMOR_CRYPTO_H */