1 files changed, 80 insertions, 0 deletions
diff --git a/include/my_crypt_key_management.h b/include/my_crypt_key_management.h
new file mode 100644
index 00000000000..3da0ab2b90e
--- /dev/null
+++ b/include/my_crypt_key_management.h
@@ -0,0 +1,80 @@
+
+#ifndef MYSYS_MY_CRYPT_KEY_MANAGMENT_H_
+#define MYSYS_MY_CRYPT_KEY_MANAGMENT_H_
+
+#include "my_global.h"
+#include "my_pthread.h"
+#include "mysql/psi/psi.h"
+
+#ifndef DBUG_OFF
+extern my_bool debug_use_static_encryption_keys;
+
+#ifdef HAVE_PSI_INTERFACE
+extern PSI_rwlock_key key_LOCK_dbug_encryption_key_version;
+#endif
+
+extern mysql_rwlock_t LOCK_dbug_encryption_key_version;
+extern uint opt_debug_encryption_key_version;
+#endif /* DBUG_OFF */
+
+C_MODE_START
+/**
+ * function returning latest key version
+ */
+typedef int (* GetLatestCryptoKeyVersionFunc_t)();
+
+/**
+ * function returning if the key exists
+ */
+typedef unsigned int (* HasKeyVersionFunc_t)(unsigned int version);
+
+/**
+ * function returning the key size
+ */
+typedef int (* GetKeySizeFunc_t)(unsigned int version);
+
+/**
+ * function returning a key for a key version
+ */
+typedef int (* GetCryptoKeyFunc_t)(unsigned int version,
+                                   unsigned char* key,
+                                   unsigned keybufsize);
+
+/**
+ * function returning an iv for a key version
+ */
+typedef int (* GetCryptoIVFunc_t)(unsigned int version,
+                                   unsigned char* iv,
+                                   unsigned ivbufsize);
+
+
+struct CryptoKeyFuncs_t
+{
+  GetLatestCryptoKeyVersionFunc_t getLatestCryptoKeyVersionFunc;
+  HasKeyVersionFunc_t hasCryptoKeyFunc;
+  GetKeySizeFunc_t getCryptoKeySize;
+  GetCryptoKeyFunc_t getCryptoKeyFunc;
+  GetCryptoIVFunc_t getCryptoIVFunc;
+};
+
+/**
+ * Install functions to use for key management
+ */
+void
+InstallCryptoKeyFunctions(const struct CryptoKeyFuncs_t* cryptoKeyFuncs);
+
+/**
+ * Functions to interact with key management
+ */
+
+int GetLatestCryptoKeyVersion();
+unsigned int HasCryptoKey(unsigned int version);
+int GetCryptoKeySize(unsigned int version);
+int GetCryptoKey(unsigned int version, unsigned char* key_buffer,
+                 unsigned int size);
+int GetCryptoIV(unsigned int version, unsigned char* key_buffer,
+                unsigned int size);
+
+C_MODE_END
+
+#endif // MYSYS_MY_CRYPT_KEY_MANAGMENT_H_