original: A similar disclosure had occurred earlier with RC4.
simplifications: A similar secret issue has happened before with RC4 A similar announcement had happened earlier with RC4. Similar information was made public about RC4. A similar reveal happened with RC4. A similar event had happened before with RC4. A similar disclosure happened earlier with RC4. A similar disclosure happened before with RC4. A similar reveal happened earlier with RC4. A similar disclosure took place before with RC4. A similar announcement had been made earlier with RC4.