The encrypted binding key is then decrypted with a sixth key to extract the binding key.The hash value of the application verification certificate associated with the second key is then calculated and used with the extracted binding key to extract the first key. SELF files when run from the harddrive are packed NPDRM (retail mode PS3) encrypted data and includes SHA1 hashes.Unimportant cosmetic variations (like color, chrome trim and exact location of ports) are not included.Note that for Other OS, it was disabled in firmware 3.21 and higher.
The encryption usage is mandatory in Blu-ray movie discs (part of AACS) though, and is actually named BD-ROM Mark.
For the PS3 Slim, an additional letter (appendix) is added to the end of the model number to designate harddrive size.
From the chart above you can see that CECHJ, CECHM, and CECHQ were only released to a few regions.
The application is digitally signed with a fifth key to generate an encrypted and signed program code image.
To decrypt the encrypted program code, the application verification key certificate is verified and in turn is used to verify the authenticity of the encrypted and signed program code image.
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