5700 version of the encryption method,who can tell me

05/28/2013 13:27 MCJackson#1
Client Version 5679:
"05"
"E7A69EBDF105F2A6BBDEAD7E798F76A209AD73FB46643 1E2E 7352ED262F8C558F10BEFEA977DE9E21DCEE9B04D245F300EC CBBA03E72630556D011023F9E857F"
"bc234xs45nme7hu9"

_blowfish = new Blowfish(BlowfishAlgorithm.CFB64);
_blowfish.SetKey(key);

Client Version 5695:
"05"
"E7A69EBDF105F2A6BBDEAD7E798F76A209AD73FB46643 1E2E 7352ED262F8C558F10BEFEA977DE9E21DCEE9B04D245F300EC CBBA03E72630556D011023F9E857F"
"c238xs65pjy7hu9q"

unknow encryption


I use the version 5695 client, error to send the Encrypted packets.
Who knows the new encryption method, grateful