91 lines
4.4 KiB
C
91 lines
4.4 KiB
C
/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
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* Ghidra 12.1.2 decompiler output for 0x1400cd520 FUN_1400cd520
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* Pseudocode, not original source. */
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void FUN_1400cd520(byte *param_1,byte *param_2,uint *param_3)
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{
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uint uVar1;
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uint uVar2;
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uint uVar3;
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ulonglong uVar4;
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ulonglong uVar5;
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ulonglong uVar6;
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ulonglong uVar7;
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uint uVar8;
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uint *puVar9;
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uint uVar10;
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ulonglong uVar11;
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exception local_78 [80];
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if ((int)param_3[0xf0] < 1) {
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FUN_14006ba50(local_78,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_78,(ThrowInfo *)&DAT_1401a93e8);
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}
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uVar1 = ((uint)*param_1 << 0x18 | (uint)param_1[1] << 0x10 | (uint)param_1[2] << 8 |
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(uint)param_1[3]) ^ *param_3;
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uVar10 = param_3[0xf2];
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uVar3 = ((uint)param_1[4] << 0x18 | (uint)param_1[5] << 0x10 | (uint)param_1[6] << 8 |
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(uint)param_1[7]) ^ param_3[1];
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uVar2 = ((uint)param_1[8] << 0x18 | (uint)param_1[9] << 0x10 | (uint)param_1[10] << 8 |
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(uint)param_1[0xb]) ^ param_3[2];
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uVar8 = ((uint)CONCAT11(param_1[0xe],param_1[0xf]) |
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(uint)param_1[0xc] << 0x18 | (uint)param_1[0xd] << 0x10) ^ param_3[3];
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if (1 < (int)uVar10) {
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uVar11 = (ulonglong)(uVar10 - 1);
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puVar9 = param_3 + 10;
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do {
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uVar5 = (ulonglong)(int)uVar3;
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uVar6 = (ulonglong)(int)uVar2;
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uVar7 = (ulonglong)(int)uVar8;
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uVar4 = (ulonglong)(int)uVar1;
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uVar3 = *(uint *)(&DAT_140142cb0 + ((longlong)uVar5 >> 0x18 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401430b0 + ((longlong)uVar6 >> 0x10 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401434b0 + ((longlong)uVar7 >> 8 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401438b0 + (uVar4 & 0xff) * 4) ^ puVar9[-1];
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uVar2 = *(uint *)(&DAT_1401434b0 + ((longlong)uVar4 >> 8 & 0xffU) * 4) ^
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*(uint *)(&DAT_140142cb0 + ((longlong)uVar6 >> 0x18 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401430b0 + ((longlong)uVar7 >> 0x10 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401438b0 + (uVar5 & 0xff) * 4) ^ *puVar9;
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uVar8 = *(uint *)(&DAT_1401430b0 + ((longlong)uVar4 >> 0x10 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401434b0 + ((longlong)uVar5 >> 8 & 0xffU) * 4) ^
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*(uint *)(&DAT_140142cb0 + ((longlong)uVar7 >> 0x18 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401438b0 + (uVar6 & 0xff) * 4) ^ puVar9[1];
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uVar1 = *(uint *)(&DAT_140142cb0 + (ulonglong)(uVar1 >> 0x18) * 4) ^
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*(uint *)(&DAT_1401430b0 + ((longlong)uVar5 >> 0x10 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401434b0 + ((longlong)uVar6 >> 8 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401438b0 + (uVar7 & 0xff) * 4) ^ puVar9[-2];
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uVar11 = uVar11 - 1;
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puVar9 = puVar9 + 8;
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} while (uVar11 != 0);
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uVar10 = param_3[0xf2];
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}
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uVar6 = (ulonglong)(int)uVar2;
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uVar5 = (ulonglong)(int)uVar8;
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puVar9 = param_3 + (longlong)(int)uVar10 * 8;
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uVar4 = (ulonglong)(int)uVar1;
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uVar11 = (ulonglong)(int)uVar3;
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uVar10 = *puVar9;
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*param_2 = (&DAT_140142ab0)[(longlong)uVar4 >> 0x18 & 0xff] ^ (byte)(uVar10 >> 0x18);
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param_2[1] = (&DAT_140142ab0)[(longlong)uVar11 >> 0x10 & 0xff] ^ (byte)(uVar10 >> 0x10);
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param_2[2] = (&DAT_140142ab0)[(longlong)uVar6 >> 8 & 0xff] ^ (byte)(uVar10 >> 8);
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param_2[3] = (&DAT_140142ab0)[uVar5 & 0xff] ^ (byte)uVar10;
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uVar10 = puVar9[1];
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param_2[4] = (&DAT_140142ab0)[(longlong)uVar11 >> 0x18 & 0xff] ^ (byte)(uVar10 >> 0x18);
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param_2[5] = (&DAT_140142ab0)[(longlong)uVar6 >> 0x10 & 0xff] ^ (byte)(uVar10 >> 0x10);
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param_2[6] = (&DAT_140142ab0)[(longlong)uVar5 >> 8 & 0xff] ^ (byte)(uVar10 >> 8);
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param_2[7] = (&DAT_140142ab0)[uVar4 & 0xff] ^ (byte)uVar10;
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uVar10 = puVar9[2];
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param_2[8] = (&DAT_140142ab0)[(longlong)uVar6 >> 0x18 & 0xff] ^ (byte)(uVar10 >> 0x18);
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param_2[9] = (&DAT_140142ab0)[(longlong)uVar5 >> 0x10 & 0xff] ^ (byte)(uVar10 >> 0x10);
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param_2[10] = (&DAT_140142ab0)[(longlong)uVar4 >> 8 & 0xff] ^ (byte)(uVar10 >> 8);
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param_2[0xb] = (&DAT_140142ab0)[uVar11 & 0xff] ^ (byte)uVar10;
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uVar10 = puVar9[3];
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param_2[0xc] = (&DAT_140142ab0)[(longlong)uVar5 >> 0x18 & 0xff] ^ (byte)(uVar10 >> 0x18);
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param_2[0xd] = (&DAT_140142ab0)[(longlong)uVar4 >> 0x10 & 0xff] ^ (byte)(uVar10 >> 0x10);
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param_2[0xe] = (&DAT_140142ab0)[(longlong)uVar11 >> 8 & 0xff] ^ (byte)(uVar10 >> 8);
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param_2[0xf] = (&DAT_140142ab0)[uVar6 & 0xff] ^ (byte)uVar10;
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return;
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}
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