SceUID fd = sceIoOpen("ms0:/enc.bin", PSP_O_RDONLY, 0); int cbFile = sceIoLseek32(fd, 0, PSP_SEEK_END); sceIoLseek32(fd, 0, PSP_SEEK_SET); sceIoRead(fd, data, cbFile); int retsize = *(u32*)&data[0x70]; int ret = sceUtilsBufferCopyWithRange(data, cbFile, data, cbFile, 0x1); WriteFile("ms0:/dec.bin", data, retsize); sceIoClose(fd);