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-rw-r--r--net/ceph/crypto.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h
new file mode 100644
index 0000000..f9eccac
--- /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
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