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Movable.sed always exists on retail, however if this file doesn't exist the system will fall-back to using a console-unique keyY already in [[PSPXI:GetLocalFriendCodeSeed|memory]], with the last 8-bytes being loaded from the 8-bytes following that u64. It's unknown whether movable.sed exists on development units.
Movable.sed always exists on retail, however if this file doesn't exist the system will fall-back to using a console-unique keyY already in [[PSPXI:GetLocalFriendCodeSeed|memory]], with the last 8-bytes being loaded from the 8-bytes following that u64. It's unknown whether movable.sed exists on development units.
The keyY is hashed with SHA256, the first 0x10-bytes from the hash is used for ID0 in [[SD Filesystem|sdmc/Nintendo 3DS/<ID0>/<ID1>]] and [[Flash Filesystem|nand/data/<ID0>]].
The keyY is hashed with SHA256, the first 0x10-bytes from the hash is used with the below snprintf for ID0 in [[SD Filesystem|sdmc/Nintendo 3DS/<ID0>/<ID1>]] and [[Flash Filesystem|nand/data/<ID0>]]. ID0 is generated by: snprintf(outdirname, maxlen, "%08x%08x%08x%08x", hashword[0], hashword[1], hashword[2], hashword[3]).