| 1 | #include <dolphin/types.h> |
| 2 | |
| 3 | static u32 hashfunc(u32 seccode) { |
| 4 | u8 p; |
| 5 | u8 q; |
| 6 | u8 r; |
| 7 | u8 s; |
| 8 | u8 a[sizeof(seccode)]; |
| 9 | u8 dev[sizeof(__devid)]; |
| 10 | |
| 11 | memcpy(a, &seccode, sizeof(seccode)); |
| 12 | memcpy(dev, &__devid, sizeof(__devid)); |
| 13 | |
| 14 | p = (a[0] + a[1] * 0xC1 + 0x18 + __revid) ^ (a[3] * a[2] + 0x90); |
| 15 | q = (a[1] + a[2] + 0x90) ^ (p - 0xC1 + a[0]); |
| 16 | r = (a[2] + 0xC8) ^ (p + ((dev[0] + __revid * 0x23) ^ 0x19)); |
| 17 | s = (a[0] + 0xC1) ^ (a[3] + ((dev[1] + 0xC8) ^ 0x90)); |
| 18 | |
| 19 | return (p << 24) | (q << 16) | (r << 8) | s; |
| 20 | } |