While in cryptography there is never 100% we tend to expect crypto not to have have serious known flaws and require great amounts of compute power, time and ene

While in cryptography there is never 100% we tend to expect crypto not to have have serious known flaws and require great amounts of compute power, time and energy for brute-force attack. E.g cryptocurrency is "safe" because cost of attack is too high and require too much resources. On other side this Sony Camera-DRM is not just useless, but dangerous especially since Sony have well established track record with backdoors and cryptography: https://en.wikipedia.org/wiki/Sony_BMG_copy_protection_rootkit_scandal https://en.wikipedia.org/wiki/Sony_BMG_copy_protection_rootk... https://www.engadget.com/2010-12-29-hackers-obtain-ps3-private-cryptography-key-due-to-epic-programm.html https://www.engadget.com/2010-12-29-hackers-obtain-ps3-priva... https://www.pcworld.com/article/411221/backdoor-accounts-found-in-80-sony-ip-security-camera-models.html https://www.pcworld.com/article/411221/backdoor-accounts-fou...