--- /dev/null
+--- Binary operations and conversion.
+module "nixio.bin"
+
+--- Return a hexadecimal ASCII represantation of the content of a buffer.
+-- @class function
+-- @name hexlify
+-- @param buffer Buffer
+-- @return representation using characters [0-9a-f]
+
+--- Return a binary buffer from a hexadecimal ASCII representation.
+-- @class function
+-- @name unhexlify
+-- @param hexvalue representation using characters [0-9a-f]
+-- @return binary data
+
+--- Calculate the CRC32 value of a buffer.
+-- @class function
+-- @name crc32
+-- @param buffer Buffer
+-- @param initial Initial CRC32 value (optional)
+-- @return crc32 value
+
+--- Base64 encode a given buffer.
+-- @class function
+-- @name b64encode
+-- @param buffer Buffer
+-- @return base64 encoded buffer
+
+--- Base64 decode a given buffer.
+-- @class function
+-- @name b64decode
+-- @param buffer Base 64 Encoded data
+-- @return binary data
\ No newline at end of file