Editing Activation ACF
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ACF, certainly standing for Activation Code File, is a data structure present in the [[Serial Flash]] [[Non Volatile Storage]] of a PS4 Dev/Test Kit or prototype when it is activated. | ACF, certainly standing for Activation Code/Control/Console File/Flag, is a data structure present in the [[Serial Flash]] [[Non Volatile Storage]] of a PS4 Dev/Test Kit or prototype when it is activated. | ||
On PS Vita, compared to PS4, it is named "act" instead of "acf" and is stored in Syscon NVS instead of Serial Flash NVS. On PS5, Kit activation requires a [https://www.psdevwiki.com/ps5/CP_Box Communication Processor Box] and so may be contained in the [https://www.psdevwiki.com/ps5/CP_Box_Non_Volatile_Storage PS5 CP Box NVS]. | On PS Vita, compared to PS4, it is named "act" instead of "acf" and is stored in Syscon NVS instead of Serial Flash NVS. On PS5, Kit activation requires a [https://www.psdevwiki.com/ps5/CP_Box Communication Processor Box] and so may be contained in the [https://www.psdevwiki.com/ps5/CP_Box_Non_Volatile_Storage PS5 CP Box NVS]. | ||
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The PS4 ACF is completed by a RSA-2048 signature stored as well in the [[Serial Flash]] [[NVS]]. | The PS4 ACF is completed by a RSA-2048 signature stored as well in the [[Serial Flash]] [[NVS]]. | ||
= Structure = | = Structure = | ||
Total length is 0x68 bytes. It may also be 0x6C bytes for some PS4 consoles, according to zecoxao. | Total length is 0x68 bytes. It may also be 0x6C bytes for some PS4 consoles, according to zecoxao. It is written to a 0x80-byte area in [[Serial Flash]] [[Non Volatile Storage]]. | ||
It is written to a 0x80-byte area in [[Serial Flash]] [[Non Volatile Storage]] | |||
{| class="wikitable" | {| class="wikitable" | ||
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| 0 || 4 || '''Magic'''. Always "acf\0" on PS4, "act\0" on PS Vita. | | 0 || 4 || '''Magic'''. Always "acf\0" on PS4, "act\0" on PS Vita. | ||
|- | |- | ||
| 4 || | | 4 || 2 || '''Format Version'''. Contains format_ver and format_minor_ver. Always 01 02 00 00 on PS4, 01 00 00 00 on PS Vita. | ||
|- | |- | ||
| | | 4 || 2 || '''Format Minor Version'''. Contains format_ver and format_minor_ver. Always 01 02 00 00 on PS4, 01 00 00 00 on PS Vita. | ||
|- | |- | ||
| 8 || 0x10 || '''Activation Key'''. Likely derived from OpenPsId. | | 8 || 0x10 || '''Activation Key'''. Likely derived from OpenPsId. | ||