diff --git a/include/sxt/rdb.h b/include/sxt/rdb.h
index 69be720..3ea035b 100644
--- a/include/sxt/rdb.h
+++ b/include/sxt/rdb.h
@@ -110,7 +110,7 @@ void sxtrdb_exflags(sxtrdb_t *, int);
  * will return SXT_SUCCESS on success (or in case if it doesn't required),
  * SXT_ENOMEM or other error if fails
  */
-int sxtrdb_memopt(sxtbuf_t *);
+int sxtrdb_memopt(sxtrdb_t *);
 
 
 #endif /* __SXT_RDB_H__ */
diff --git a/sxt/Makefile.am b/sxt/Makefile.am
index 01c13e1..dc24199 100644
--- a/sxt/Makefile.am
+++ b/sxt/Makefile.am
@@ -14,8 +14,8 @@ lib_LTLIBRARIES = libsxt.la
 
 
 libsxt_la_SOURCES = \
-	core.c safebuffer.c ppkp_ops.c fe25519.c ge25519.c \
-	sc25519.c ed25519.c
+	core.c safebuffer.c rdb.c ppkp_ops.c \
+	fe25519.c ge25519.c sc25519.c ed25519.c
 
 libsxt_la_LDFLAGS = 
 
diff --git a/sxt/rdb.c b/sxt/rdb.c
new file mode 100644
index 0000000..e456b51
--- /dev/null
+++ b/sxt/rdb.c
@@ -0,0 +1,194 @@
+/*
+ * Secure eXtended Message Passing framework
+ * Secure eXtended Transport layer implementation: (libsxt)
+ * - very similar to SSH2/TLS
+ * - using already proven and tested crypto algos
+ * - better than TLS for message passing
+ *
+ * raw data buffer implementation used within library
+ *
+ * (c) Alexander Vdolainen 2016 <avdolainen@zoho.com>
+ *
+ * libsxmp is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * libsxmp is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.";
+ *
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include <sxt/errno.h>
+#include <sxt/rdb.h>
+
+#if 0
+#define SXTRDB_BURN  (1 << 1)
+
+typedef struct __sxtrawdatabuffer_type {
+  char *raw;
+  uint32_t rlength; /* raw buffer allocated length */
+  uint32_t ulength; /* length of used allocated space */
+  uint32_t curr; /* cursor for read/write operations */
+  int flags;
+} sxtrdb_t;
+#endif
+
+/* allocation, freeing */
+/* allocate raw buffer with defaults preallocation */
+sxtrdb_t *sxtrdb_new(void)
+{
+  return NULL;
+}
+
+/* will do the same as sxtrdb_new but will allocate given length */
+sxtrdb_t *sxtrdb_new_palloc(uint32_t alen)
+{
+  return NULL;
+}
+
+/* free all allocated space and buffer itself */
+void sxtrdb_free(sxtrdb_t *b)
+{
+  return;
+}
+
+/* read/write */
+/* read different types, should return the size of the
+ * ridden data, otherwise error occurs */
+uint32_t sxtrdb_read_u8(sxtrdb_t *b, uint8_t *o)
+{
+  return 0;
+}
+
+uint32_t sxtrdb_read_u16(sxtrdb_t *b, uint16_t *o)
+{
+  return 0;
+}
+
+uint32_t sxtrdb_read_u32(sxtrdb_t *b, uint32_t *o)
+{
+  return 0;
+}
+
+uint32_t sxtrdb_read_u64(sxtrdb_t *b, uint64_t *o)
+{
+  return 0;
+}
+
+/* get raw data, pointer must be allocated with at least required length,
+ * will return size of ridden data
+ */
+uint32_t sxtrdb_read_raw(sxtrdb_t *b, void *o, uint32_t rlen)
+{
+  return 0;
+}
+
+/* write different types, should return the size of the
+ * written data, otherwise error occurs */
+uint32_t sxtrdb_write_u8(sxtrdb_t *b, uint8_t u)
+{
+  return 0;
+}
+
+uint32_t sxtrdb_write_u16(sxtrdb_t *b, uint16_t uu)
+{
+  return 0;
+}
+
+uint32_t sxtrdb_write_u32(sxtrdb_t *b, uint32_t uu)
+{
+  return 0;
+}
+
+uint32_t sxtrdb_write_u64(sxtrdb_t *b, uint64_t uu)
+{
+  return 0;
+}
+
+/* write raw data with the given length */
+uint32_t sxtrdb_write_raw(sxtrdb_t *b, void *wi, uint32_t len)
+{
+  return 0;
+}
+
+/* write raw data *before* existing data */
+uint32_t sxtrdb_write_raw_head(sxtrdb_t *b, void *wi, uint32_t len)
+{
+  return 0;
+}
+
+/* parse */
+int sxtrdb_escan_va(sxtrdb_t *b, const char *fmt, int argc, va_list ap)
+{
+  return 0;
+}
+
+/* print */
+uint32_t sxtrdb_print_va(sxtrdb_t *b, const char *fmt, int argc, va_list ap)
+{
+  return 0;
+}
+
+/* misc */
+/* returns length of used space in the buffer */
+uint32_t sxtrdb_length(sxtrdb_t *b)
+{
+  return 0;
+}
+
+/* returns length of allocated space in the buffer */
+uint32_t sxtrdb_alength(sxtrdb_t *b)
+{
+  return 0;
+}
+
+/* returns length of the left data to read */
+uint32_t sxtrdb_leftlength(sxtrdb_t *b)
+{
+  return 0;
+}
+
+/* reaturn a pointer to the raw data */
+void *sxtrdb_rdata(sxtrdb_t *b)
+{
+  return NULL;
+}
+
+/* return pointer to the data currently being read/write */
+void *sxtrdb_rdatacur(sxtrdb_t *b)
+{
+  return NULL;
+}
+
+/* set flags to the raw buffer */
+void sxtrdb_setflags(sxtrdb_t *b, int af)
+{
+  return;
+}
+
+/* exchange flags for raw buff */
+void sxtrdb_exflags(sxtrdb_t *b, int nf)
+{
+  return;
+}
+
+/* let the buffer to use actually used bytes, not all allocated space
+ * will return SXT_SUCCESS on success (or in case if it doesn't required),
+ * SXT_ENOMEM or other error if fails
+ */
+int sxtrdb_memopt(sxtrdb_t *b)
+{
+  return SXT_ERROR;
+}
+