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Scramble - "NEO: The World Ends with You" Save Editor
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<blockquote data-quote="Taishiro" data-source="post: 9616636" data-attributes="member: 524823"><p>This will certainly be useful when I check for new data in the game assets <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite48" alt=":)" title="smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Save data key was discovered by tafice, they shared it a few posts above.</p><p>I am now 99% close to PC save data support, but I just noticed something while doing a decryption and then re-encryption test:</p><p></p><p><img src="https://i.imgur.com/vzDFgfB.png" alt="" class="fr-fic fr-dii fr-draggable " style="" />There is a difference between how the SHA256 hash of the system/options data is made.</p><p>It looks like the first 16 bytes are handled differently, because the other half of the checksum is completely the same.</p><p>They probably tweaked the algorithm. I'll have a look at it now, and also check if I didn't do anything wrong.</p><p></p><p>Interestingly, this is only on system data. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite15" alt=":unsure:" title="unsure :unsure:" loading="lazy" data-shortname=":unsure:" /> Save slots checksum is unaffected and uses the old algorithm that the dev team has kept carrying since Solo Remix in 2012</p></blockquote><p></p>
[QUOTE="Taishiro, post: 9616636, member: 524823"] This will certainly be useful when I check for new data in the game assets :) Save data key was discovered by tafice, they shared it a few posts above. I am now 99% close to PC save data support, but I just noticed something while doing a decryption and then re-encryption test: [IMG]https://i.imgur.com/vzDFgfB.png[/IMG]There is a difference between how the SHA256 hash of the system/options data is made. It looks like the first 16 bytes are handled differently, because the other half of the checksum is completely the same. They probably tweaked the algorithm. I'll have a look at it now, and also check if I didn't do anything wrong. Interestingly, this is only on system data. :unsure: Save slots checksum is unaffected and uses the old algorithm that the dev team has kept carrying since Solo Remix in 2012 [/QUOTE]
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