Detail at http://www.doswf.net/
DoSWF is a professional flash encrypter. The Features as following:
[*]Encrypt swf files for as2 and as3.particularly, DoSWF can encrypt images, buttons and other library files. [*]Prevent all popular swf-decompiler crack. [*]Obfuscate actionscript3.0 code. [*]Do project compositively. [*]Encrypt swc files. [*]Lock domains. [*]Add wartermark on swf. [*]Remove featrue for module developing. [*]Cross-Platform OS soft,Adobe AIR virsion for Windows.Mac,Linux. [*]Multi-language, Support English,Chinese,Japanese.