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fix cast align warning

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This commit is contained in:
Philippe Teuwen 2020-05-04 23:31:36 +02:00
parent e68dd9e5cb
commit 9847b77c83
1 changed files with 7 additions and 8 deletions
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15
common/generator.c
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@ -111,18 +111,17 @@ uint32_t ul_ev1_pwdgenB(uint8_t *uid) {
// Lego Dimension pwd generation algo nickname C. // Lego Dimension pwd generation algo nickname C.
uint32_t ul_ev1_pwdgenC(uint8_t *uid) { uint32_t ul_ev1_pwdgenC(uint8_t *uid) {
uint32_t pwd = 0; uint32_t pwd = 0;
uint8_t base[] = { uint32_t base[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x28, 0xffffffff, 0x28ffffff,
0x63, 0x29, 0x20, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x43202963, 0x7279706f,
0x69, 0x67, 0x68, 0x74, 0x20, 0x4c, 0x45, 0x47, 0x74686769, 0x47454c20,
0x4f, 0x20, 0x32, 0x30, 0x31, 0x34, 0xaa, 0xaa 0x3032204f, 0xaaaa3431
}; };
memcpy(base, uid, 7); memcpy(base, uid, 7);
for (int i = 0; i < 32; i += 4) { for (int i = 0; i < 8; i++) {
uint32_t b = *(uint32_t *)(base + i); pwd = base[i] + ROTR(pwd, 25) + ROTR(pwd, 10) - pwd;
pwd = b + ROTR(pwd, 25) + ROTR(pwd, 10) - pwd;
} }
return BSWAP_32(pwd); return BSWAP_32(pwd);
} }