vsol
unknown
c_cpp
2 years ago
9.4 kB
102
Indexable
void FUN_80439b40(int param_1,byte *param_2,undefined *param_3,uint param_4)
{
uint *puVar1;
int iVar2;
uint *puVar3;
uint *puVar4;
uint uVar5;
int iVar6;
uint uVar7;
int iVar8;
uint uVar9;
uint uVar10;
uint uVar11;
uint uVar12;
uint uVar13;
iVar2 = *(int *)(param_1 + 0x34);
puVar3 = (uint *)(param_1 + 0x2c);
iVar6 = *(int *)(param_1 + 0xc0);
for (uVar5 = 0; uVar5 < param_4 >> 3; uVar5 = uVar5 + 1) {
uVar11 = (uint)*param_2 << 0x18 | (uint)param_2[1] << 0x10 | (uint)param_2[3] |
(uint)param_2[2] << 8;
uVar9 = (uint)param_2[4] << 0x18 | (uint)param_2[5] << 0x10 | (uint)param_2[7] |
(uint)param_2[6] << 8;
if ((iVar2 == 1) && (iVar6 != 0)) {
uVar11 = uVar11 ^ *puVar3;
uVar9 = uVar9 ^ *(uint *)(param_1 + 0x30);
}
uVar7 = (uVar11 >> 4 ^ uVar9) & DAT_80439ea8;
uVar12 = uVar7 ^ uVar9;
uVar13 = uVar7 << 4 ^ uVar11;
uVar7 = (uVar13 >> 0x10 ^ uVar12) & 0xffff;
uVar12 = uVar7 ^ uVar12;
uVar13 = uVar7 << 0x10 ^ uVar13;
uVar7 = (uVar13 ^ uVar12 >> 2) & DAT_80439eac;
uVar13 = uVar7 ^ uVar13;
uVar12 = uVar7 << 2 ^ uVar12;
uVar7 = (uVar12 >> 8 ^ uVar13) & DAT_80439eb0;
uVar13 = uVar7 ^ uVar13;
uVar12 = uVar12 ^ uVar7 << 8;
uVar7 = uVar12 << 1 | uVar12 >> 0x1f;
uVar12 = (uVar13 ^ uVar7) & DAT_80439eb4;
uVar13 = uVar12 ^ uVar13;
uVar12 = uVar12 ^ uVar7;
uVar7 = uVar13 << 1 | uVar13 >> 0x1f;
iVar8 = 0;
puVar4 = (uint *)(param_1 + 0x38);
do {
uVar13 = *puVar4 ^ (uVar12 << 0x1c | uVar12 >> 4);
uVar10 = uVar12 ^ puVar4[1];
uVar7 = uVar7 ^ (*(uint *)(PTR_DAT_80439eb8 + (uVar13 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ebc + (uVar10 >> 8 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ec0 + (uVar10 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ec4 + (uVar10 >> 0x10 & 0x3f) * 4) |
*(uint *)(PTR_PTR_DAT_80439ec8 + (uVar10 >> 0x18 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ecc + (uVar13 >> 8 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ed0 + (uVar13 >> 0x10 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ed4 + (uVar13 >> 0x18 & 0x3f) * 4));
uVar13 = (uVar7 << 0x1c | uVar7 >> 4) ^ puVar4[2];
puVar1 = puVar4 + 3;
puVar4 = puVar4 + 4;
uVar10 = *puVar1 ^ uVar7;
iVar8 = iVar8 + 1;
uVar12 = uVar12 ^ (*(uint *)(PTR_DAT_80439eb8 + (uVar13 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ebc + (uVar10 >> 8 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ec0 + (uVar10 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ec4 + (uVar10 >> 0x10 & 0x3f) * 4) |
*(uint *)(PTR_PTR_DAT_80439ec8 + (uVar10 >> 0x18 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ecc + (uVar13 >> 8 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ed0 + (uVar13 >> 0x10 & 0x3f) * 4) |
*(uint *)(PTR_DAT_80439ed4 + (uVar13 >> 0x18 & 0x3f) * 4));
} while (iVar8 != 8);
uVar12 = uVar12 << 0x1f | uVar12 >> 1;
uVar13 = (uVar7 ^ uVar12) & DAT_80439eb4;
uVar7 = uVar13 ^ uVar7;
uVar13 = uVar13 ^ uVar12;
uVar12 = uVar7 << 0x1f | uVar7 >> 1;
uVar7 = (uVar12 >> 8 ^ uVar13) & DAT_80439eb0;
uVar13 = uVar7 ^ uVar13;
uVar12 = uVar7 << 8 ^ uVar12;
uVar7 = (uVar12 >> 2 ^ uVar13) & DAT_80439eac;
uVar13 = uVar7 ^ uVar13;
uVar12 = uVar7 << 2 ^ uVar12;
uVar7 = (uVar12 ^ uVar13 >> 0x10) & 0xffff;
uVar12 = uVar12 ^ uVar7;
uVar13 = uVar7 << 0x10 ^ uVar13;
uVar7 = (uVar12 ^ uVar13 >> 4) & DAT_80439ea8;
uVar12 = uVar12 ^ uVar7;
uVar13 = uVar7 << 4 ^ uVar13;
if (iVar2 == 1) {
if (iVar6 == 0) {
uVar7 = *puVar3;
*puVar3 = uVar11;
uVar13 = uVar13 ^ uVar7;
uVar12 = uVar12 ^ *(uint *)(param_1 + 0x30);
}
else {
*puVar3 = uVar13;
uVar9 = uVar12;
}
*(uint *)(param_1 + 0x30) = uVar9;
}
param_2 = param_2 + 8;
param_3[3] = (char)uVar13;
*param_3 = (char)(uVar13 >> 0x18);
param_3[2] = (char)(uVar13 >> 8);
param_3[1] = (char)(uVar13 >> 0x10);
param_3[4] = (char)(uVar12 >> 0x18);
param_3[6] = (char)(uVar12 >> 8);
param_3[5] = (char)(uVar12 >> 0x10);
param_3[7] = (char)uVar12;
param_3 = param_3 + 8;
}
return;
}
void FUN_8043a1c8(undefined4 vs_key_hex,undefined4 exit_mac)
{
undefined *puVar1;
int *piVar2;
undefined *puVar3;
int iVar4;
undefined *puVar5;
code *UNRECOVERED_JUMPTABLE;
char local_180 [8];
char local_178 [8];
char local_170 [8];
char local_168 [8];
undefined4 local_160;
undefined auStack_15c [32];
undefined auStack_13c [96];
undefined auStack_dc [36];
undefined4 local_b8;
undefined4 local_b4;
undefined4 local_b0;
undefined4 local_ac;
undefined4 local_a8;
uint local_1c;
char *local_18;
puVar5 = memcpy;
memcpy(auStack_13c,vs_key_hex,0x60);
local_160 = 0x38;
(*(code *)puVar5)(auStack_15c,0x23,7);
(*DAT_8043a320)(auStack_dc);
local_a8 = 0;
local_1c = 0;
(*DAT_8043a324)(auStack_dc,&local_160);
puVar1 = 0x26;
puVar5 = 0x00;
local_b0 = local_b8;
piVar2 = 0x40;
puVar3 = 0x00;
do {
iVar4 = *piVar2;
local_18 = local_180;
piVar2 = piVar2 + 1;
*puVar3 = auStack_13c[iVar4];
puVar3 = puVar3 + 1;
} while (((uint)piVar2 ^ (uint)puVar1) != 0);
local_ac = local_b4;
FUN_80439b40(auStack_dc,0x00,PTR_DAT_8043a338,24);
(*DAT_8043a33c)(local_18,local_170,PTR_DAT_8043a338);
local_a8 = 1;
local_1c = (uint)piVar2 ^ (uint)puVar1;
(*DAT_8043a324)(auStack_dc,&local_160);
(*DAT_8043a340)(auStack_dc,PTR_DAT_8043a344);
puVar1 = 0x00;
local_b0 = local_b8;
piVar2 = 0x26;
do {
iVar4 = *piVar2;
piVar2 = piVar2 + 1;
*puVar5 = auStack_13c[iVar4];
puVar5 = puVar5 + 1;
} while (piVar2 != (int *)puVar1);
local_ac = local_b4;
FUN_80439b40(auStack_dc,0x00,PTR_DAT_8043a338,24);
(*DAT_8043a33c)(local_178,local_168,PTR_DAT_8043a338);
puVar5 = memcpy;
iVar4 = 0;
do {
if (local_178[iVar4] != local_180[iVar4]) break;
iVar4 = iVar4 + 1;
} while (iVar4 != 6);
iVar4 = 0;
do {
if (PTR_DAT_8043a34c[iVar4] != local_170[iVar4]) goto LAB_8043a2f4;
iVar4 = iVar4 + 1;
} while (iVar4 != 8);
iVar4 = 0;
do {
if (PTR_DAT_8043a34c[iVar4] != local_168[iVar4]) break;
iVar4 = iVar4 + 1;
} while (iVar4 != 8);
LAB_8043a2f4:
memcpy(exit_mac,local_180,6);
(*(code *)puVar5)(PTR_DAT_8043a350,local_170,8);
/* WARNING: Could not recover jumptable at 0x8043a314. Too many branches */
/* WARNING: Treating indirect jump as call */
(*UNRECOVERED_JUMPTABLE)();
return;
}
void FUN_80439868(void)
{
char cVar1;
undefined *puVar2;
int iVar3;
char *pcVar4;
code *UNRECOVERED_JUMPTABLE;
undefined elan_mac_address [8];
undefined key_mac_address [8];
undefined auStack_218 [12];
undefined auStack_20c [96];
char local_1ac [192];
char acStack_ec [4];
undefined auStack_e8 [220];
puVar2 = PTR_thunk_FUN_80122588_80439964;
pcVar4 = local_1ac;
(*(code *)PTR_thunk_FUN_80122588_80439964)(pcVar4,0, 193);
(*(code *)puVar2)(auStack_e8,0,0xd2);
(*DAT_80439968)(0xc01d,auStack_e8);
(*DAT_80439970)(pcVar4,PTR_DAT_8043996c,auStack_e8);
iVar3 = (*DAT_80439974)(pcVar4);
if (iVar3 == 192) { //lenght check
//check if all bytes are hex (I guess)
do {
cVar1 = *pcVar4;
if (((9 < (byte)(cVar1 - 0x30U)) && (0x19 < (byte)(cVar1 + 0x9fU))) &&
(0x19 < (byte)(cVar1 + 0xbfU))) goto LAB_804398d6;
pcVar4 = pcVar4 + 1;
} while (pcVar4 != acStack_ec);
(*DAT_8043998c)(local_1ac,auStack_20c); // convert ascii to hex
puVar2 = PTR_thunk_FUN_80122588_80439964;
FUN_8043a1c8(auStack_20c,key_mac_address); //convert VS_KEY to mac address
(*(code *)puVar2)(auStack_e8,0,0x20);
(*(code *)puVar2)(auStack_218,0,0xc);
(*DAT_80439968)(0xc001,elan_mac_address); //Get ELAN MAC ADDRESS???
// iVar3 = (*DAT_80439994)(elan_mac_address); //check MAC
// if (iVar3 == 0) { //mac check
iVar3 = FUN_80439f14(elan_mac_address,key_mac_address,6); //Compare
if (iVar3 == 0) {
// (*DAT_8043997c)(PTR_s_Software_encryption_check_is_fai_80439988);
printf("Software encryption check is fail!");
} else {
// (*DAT_8043997c)(PTR_s_Software_encryption_check_is_suc_80439980);
printf("Software encryption check is succeed!");
}
// } else {
// //(*DAT_8043997c)(PTR_s_Software_encryption_check_is_suc_80439980);
// printf("Software encryption check is succeed!");
// }
} else {
LAB_804398d6:
printf("Software_encryption_key_is_not_set");
// (*DAT_8043997c)(PTR_s_Software_encryption_key_is_not_s_80439978);
}
/* WARNING: Could not recover jumptable at 0x80439916. Too many branches */
/* WARNING: Treating indirect jump as call */
(*UNRECOVERED_JUMPTABLE)();
return;
}
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