Does anyone know if the law enforcement file signature databases use SHA or MD5? My guess is that they are all MD5 signatures. So - my question is - can I get

Does anyone know if the law enforcement file signature databases use SHA or MD5? My guess is that they are all MD5 signatures. So - my question is - can I get a file onto someone's device that will match a CSA image, but is actually not at all CSA? (i.e. basically a more serious "SWAT" attack because it ends with the person potentially spending years in jail and their life ruined)