Obfuscating

verb

1. To make dark; overshadow
2. To deliberately make more confusing in order to conceal the truth.

   "Before leaving the scene, the murderer set a fire in order to obfuscate any evidence of their identity."

3. To alter code while preserving its behavior but concealing its structure and intent.

   "We need to obfuscate these classes before we ship the final release."