1 files changed, 48 insertions, 0 deletions

diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h
new file mode 100644
index 000000000000..f9eccace592b
--- /dev/null
+++ b/net/ceph/crypto.h
@@ -0,0 +1,48 @@
+#ifndef _FS_CEPH_CRYPTO_H
+#define _FS_CEPH_CRYPTO_H
+
+#include <linux/ceph/types.h>
+#include <linux/ceph/buffer.h>
+
+/*
+ * cryptographic secret
+ */
+struct ceph_crypto_key {
+        int type;
+        struct ceph_timespec created;
+        int len;
+        void *key;
+};
+
+static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
+{
+        kfree(key->key);
+}
+
+extern int ceph_crypto_key_encode(struct ceph_crypto_key *key,
+                                  void **p, void *end);
+extern int ceph_crypto_key_decode(struct ceph_crypto_key *key,
+                                  void **p, void *end);
+extern int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
+
+/* crypto.c */
+extern int ceph_decrypt(struct ceph_crypto_key *secret,
+                        void *dst, size_t *dst_len,
+                        const void *src, size_t src_len);
+extern int ceph_encrypt(struct ceph_crypto_key *secret,
+                        void *dst, size_t *dst_len,
+                        const void *src, size_t src_len);
+extern int ceph_decrypt2(struct ceph_crypto_key *secret,
+                        void *dst1, size_t *dst1_len,
+                        void *dst2, size_t *dst2_len,
+                        const void *src, size_t src_len);
+extern int ceph_encrypt2(struct ceph_crypto_key *secret,
+                         void *dst, size_t *dst_len,
+                         const void *src1, size_t src1_len,
+                         const void *src2, size_t src2_len);
+
+/* armor.c */
+extern int ceph_armor(char *dst, const char *src, const char *end);
+extern int ceph_unarmor(char *dst, const char *src, const char *end);
+
+#endif