http://en.wikipedia.org/wiki/Code_signing http://en.wikipedia.org/wiki/Code_signing seems relevant. This case is more about having the software itself sign its

http://en.wikipedia.org/wiki/Code_signing http://en.wikipedia.org/wiki/Code_signing seems relevant. This case is more about having the software itself sign its own output. Relevant search terms: * software "sign its own output" * software "encrypt its own output" * software "encrypt its output" * software "sign its output" Some interesting results: * Computer scientists develop 'mathematical jigsaw puzzles' to encrypt software (UCLA) #comment by zblaxell http://lwn.net/Articles/562113/ http://lwn.net/Articles/562113/ * Cryptographic Verification of Test Coverage Claims http://www.cs.ucdavis.edu/~devanbu/doc.ps http://www.cs.ucdavis.edu/~devanbu/doc.ps * Study of Security in Multi-Agent Architectures §3.4 http://www.ecs.soton.ac.uk/~lavm/papers/sec.pdf http://www.ecs.soton.ac.uk/~lavm/papers/sec.pdf