Need this :)

diff --git a/sql-edition/servers/CRC.py b/sql-edition/servers/CRC.py
new file mode 100644 (file)
index 0000000..512a7bd
--- /dev/null
+++ b/sql-edition/servers/CRC.py
@@ -0,0 +1,16 @@
+crctab = []
+CRC16 = 0x1021
+
+def do_crc(message, crc = 0):
+       for i in range(0,len(message)):
+               crc = ((crc << 8) ^ (crctab[(crc >> 8) ^ ord(message[i])])) & 0xffff
+       return crc
+
+# Generate crctab
+for val in range(0,256):
+       crc = val << 8;
+       for i in range(0,8):
+               crc = crc << 1
+               if (crc & 0x10000):
+                       crc = crc ^ CRC16
+       crctab.append(crc & 0xffff)