They left because their liquid crystal panels suffered from chronic burn-in and the cost of replacing them was no longer economically feasible. It was tolerable when “virtual print fees” were subsidizing the transition…
The studios set the requirements. A certificate that never expires would never fly with their need to control DRM as tightly as possible. If Sony was still in the business, they would offer a certificate renewal for a…
Digital cinema tech here. Sony hasn’t been releasing updates since they exited the business in 2020. This is likely an expired certificate related to the encryption on the movie files.
DCP isn't a consumer format (yet), it's only intended to protect the movie before it comes out on Bluray. And the encryption isn't convoluted at all, the private/public key system is essentially the same as what…
Some of the projectors are connected to the DCP playback server via encrypted HD-SDI. The content is link-encrypted between the server and projector using Texas Instrument's "Cinelink" technology. If the TI "Enigma"…
It's worth noting that the DCP format doesn't have a master key - each "reel" of an encrypted film has its own content key, which is decrypted by each DCP player's private FIPS protected key combined with a public Key…
They left because their liquid crystal panels suffered from chronic burn-in and the cost of replacing them was no longer economically feasible. It was tolerable when “virtual print fees” were subsidizing the transition…
The studios set the requirements. A certificate that never expires would never fly with their need to control DRM as tightly as possible. If Sony was still in the business, they would offer a certificate renewal for a…
Digital cinema tech here. Sony hasn’t been releasing updates since they exited the business in 2020. This is likely an expired certificate related to the encryption on the movie files.
DCP isn't a consumer format (yet), it's only intended to protect the movie before it comes out on Bluray. And the encryption isn't convoluted at all, the private/public key system is essentially the same as what…
Some of the projectors are connected to the DCP playback server via encrypted HD-SDI. The content is link-encrypted between the server and projector using Texas Instrument's "Cinelink" technology. If the TI "Enigma"…
It's worth noting that the DCP format doesn't have a master key - each "reel" of an encrypted film has its own content key, which is decrypted by each DCP player's private FIPS protected key combined with a public Key…