With SWCEncrypt, you do not need to encrypt the whole application, but just the core classes. You should compile the core or importent classes to swc file, and than use SWCEncrypt to encrypt/obfuscate that swc file.

• DoSWF Professional for mac 4.9.2
  DoSWF is a professional encryption tool for Adobe Flash SWF and SWC files. Protect your actionscript and all assets, such as image, sound, movie etc. Defend current all Flash...

• DoSWF MINI(flash swf encryption) 4.6.2
  DoSWF(Flash swf encryptor) ia a very very professional flash swf encryption tool

• DoSWF(flash swf encryption) 4.6.2
  DoSWF(Flash swf encryptor) ia a very very professional flash swf encryption tool. With this software you can easily protect your flash swf works. The key features are:1.Encrypt flash swf and swc files.DoSWF uses a very special way to encrypt swf/swc...

• FPE(Flash Project Encrypter) 4.6.2
  DoSWF(Flash swf encryptor) ia a very very professional flash swf encryption tool

• DoSWF 4.5.1
  DoSWF can do encrypt, obfuscate to swf files. It has featrues as following: 1.Encrypt swf, protect your actionscript and assets. 2.Obfuscate actionscript3.0 code. 3.Mix all method. Decompile is impossible! 4.Encrypt swc files. 5.Lock domains. 6.Add wartermark . 7.Encrypt Project (multi swf files).