138 lines
4.8 KiB
C
138 lines
4.8 KiB
C
/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
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* Ghidra 12.1.2 decompiler output for 0x1400ce1e0 FUN_1400ce1e0
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* Pseudocode, not original source. */
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/* WARNING: Function: __security_check_cookie replaced with injection: security_check_cookie */
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/* WARNING: Type propagation algorithm not settling */
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void FUN_1400ce1e0(byte *param_1,byte *param_2,longlong param_3)
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{
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longlong lVar1;
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undefined4 uVar2;
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int iVar3;
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longlong lVar4;
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int iVar5;
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uint *puVar6;
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int iVar7;
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int iVar8;
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uint *puVar9;
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int iVar10;
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longlong lVar11;
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longlong lVar12;
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ulonglong uVar13;
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undefined1 auStack_118 [32];
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int local_f8;
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int local_f4;
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int local_ec;
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size_t local_e8;
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byte *local_e0;
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longlong local_d8;
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exception local_d0 [72];
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undefined4 local_88;
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uint auStack_6c [9];
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ulonglong local_48;
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local_48 = DAT_1401ac5a0 ^ (ulonglong)auStack_118;
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local_e0 = param_2;
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local_d8 = param_3;
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if (0 < *(int *)(param_3 + 0x3c0)) {
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iVar3 = *(int *)(param_3 + 0x3c4);
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if (iVar3 == 0x10) {
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FUN_1400cd9a0(param_1,param_2,param_3);
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}
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else {
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iVar5 = 0;
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iVar3 = (int)(iVar3 + (iVar3 >> 0x1f & 3U)) >> 2;
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lVar11 = (longlong)iVar3;
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if (iVar3 != 4) {
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iVar5 = (iVar3 != 6) + 1;
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}
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lVar4 = (longlong)iVar5 * 0x20;
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iVar5 = *(int *)(&DAT_140145cdc + lVar4);
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local_f4 = *(int *)(&DAT_140145ce4 + lVar4);
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local_f8 = *(int *)(&DAT_140145cec + lVar4);
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if (0 < iVar3) {
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puVar6 = &local_88;
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puVar9 = (uint *)(param_3 + 0x1e0);
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lVar4 = lVar11;
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do {
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*puVar6 = (uint)*param_1 << 0x18;
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*puVar6 = *puVar6 | (uint)param_1[1] << 0x10;
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*puVar6 = *puVar6 | (uint)param_1[2] << 8;
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*puVar6 = *puVar6 | (uint)param_1[3];
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*puVar6 = *puVar6 ^ *puVar9;
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lVar4 = lVar4 + -1;
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puVar6 = puVar6 + 1;
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puVar9 = puVar9 + 1;
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param_1 = param_1 + 4;
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} while (lVar4 != 0);
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}
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if (1 < *(int *)(param_3 + 0x3c8)) {
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uVar13 = (ulonglong)(*(int *)(param_3 + 0x3c8) - 1);
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local_e8 = (size_t)(iVar3 * 4);
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lVar4 = (param_3 - (longlong)&local_88) + 0x200;
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local_ec = iVar5;
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do {
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lVar12 = 0;
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if (0 < iVar3) {
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iVar10 = local_f4 - iVar5;
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iVar8 = local_f8 - iVar5;
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iVar7 = iVar5;
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do {
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lVar1 = lVar12 * 4;
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lVar12 = lVar12 + 1;
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auStack_6c[lVar12] =
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*(uint *)(&DAT_1401444b0 +
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((longlong)(ulonglong)(uint)(&local_88)[(iVar10 + iVar7) % iVar3] >> 8 &
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0xffU) * 4) ^
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*(uint *)(&DAT_1401448b0 +
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(ulonglong)*(byte *)(&local_88 + (iVar8 + iVar7) % iVar3) * 4) ^
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*(uint *)(&DAT_1401440b0 +
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((longlong)(ulonglong)(uint)(&local_88)[iVar7 % iVar3] >> 0x10 & 0xffU)
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* 4) ^
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*(uint *)(&DAT_140143cb0 +
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(ulonglong)*(byte *)((longlong)&local_88 + lVar1 + 3) * 4) ^
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*(uint *)((longlong)&local_88 + lVar4 + lVar1);
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iVar7 = iVar7 + 1;
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iVar5 = local_ec;
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} while (lVar12 < lVar11);
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}
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memcpy(&local_88,auStack_6c + 1,local_e8);
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lVar4 = lVar4 + 0x20;
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uVar13 = uVar13 - 1;
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param_3 = local_d8;
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param_2 = local_e0;
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} while (uVar13 != 0);
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}
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lVar4 = 0;
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if (0 < iVar3) {
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iVar5 = iVar5 - local_f4;
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local_f8 = local_f8 - local_f4;
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do {
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lVar12 = lVar4 + 0x78;
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lVar1 = lVar4 * 4;
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lVar4 = lVar4 + 1;
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uVar2 = *(undefined4 *)(param_3 + (lVar12 + (longlong)*(int *)(param_3 + 0x3c8) * 8) * 4);
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*param_2 = (&DAT_140142bb0)[*(byte *)((longlong)&local_88 + lVar1 + 3)] ^
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(byte)((uint)uVar2 >> 0x18);
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param_2[1] = (&DAT_140142bb0)
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[(longlong)(ulonglong)(uint)(&local_88)[(local_f4 + iVar5) % iVar3] >> 0x10 &
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0xff] ^ (byte)((uint)uVar2 >> 0x10);
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param_2[2] = (&DAT_140142bb0)
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[(longlong)(ulonglong)(uint)(&local_88)[local_f4 % iVar3] >> 8 & 0xff] ^
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(byte)((uint)uVar2 >> 8);
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iVar7 = local_f4 + local_f8;
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local_f4 = local_f4 + 1;
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param_2[3] = (&DAT_140142bb0)[*(byte *)(&local_88 + iVar7 % iVar3)] ^ (byte)uVar2;
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param_2 = param_2 + 4;
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} while (lVar4 < lVar11);
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}
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}
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return;
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}
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FUN_14006ba50(local_d0,L"aes key is not initialized",param_3,param_1);
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/* WARNING: Subroutine does not return */
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_CxxThrowException(local_d0,(ThrowInfo *)&DAT_1401a93e8);
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}
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