Submission + - Skype Encryption Revealed (h-online.com)
TSHTF writes: Just weeks after Skype unveiled a public API for the service, a group of cryptographers led by Sean O'Neill have successfully reverse engineered the encryption used by the Skype protocol. Source code is available under a non-commercial license which details Skype's implementation of the RC4 cipher. Is it just a matter of time now until there is a true open-source Skype client?