undefined4 RTMPSoftDecryptAES(undefined4 param_1,byte *param_2,int param_3,int param_4)

{

  bool bVar1;

  byte *pbVar2;

  byte *pbVar3;

  char *pcVar4;

  byte *pbVar5;

  int iVar6;

  uint uVar7;

  int iVar8;

  int iVar9;

  uint uVar10;

  uint __n;

  byte local_c0;

  byte local_bf;

  byte local_be;

  byte local_bd;

  byte local_bc;

  byte local_bb;

  byte local_b8 [8];

  undefined1 auStack_b0 [8];

  byte local_a8 [16];

  undefined1 auStack_98 [16];

  byte local_88 [16];

  byte local_78 [16];

  undefined1 auStack_68 [16];

  byte local_58 [16];

  byte local_48 [16];

  byte *local_38;

  int local_34;

  uint local_30;

  uint local_2c;

  uVar10 = (uint)param_2[1] & ((uint)param_2[1] << 0x1e) >> 0x1f;

  iVar9 = 0x1e;

  if (uVar10 == 0) {

    iVar9 = 0x18;

  }

  bVar1 = (*param_2 >> 4) - 8 < 4;

  if (bVar1) {

    iVar9 = iVar9 + 2;

  }

  if (*(char *)(param_4 + 0x41) == '\0') {

    if (RTDebugLevel < 3) {

      return 0;

    }

    pcVar4 = "RTMPSoftDecryptAES failed!(the Length can not be 0)\n";

  }

  else {

    pbVar2 = param_2 + iVar9;

    local_c0 = *pbVar2;

    local_bf = pbVar2[1];

    local_be = pbVar2[4];

    local_bd = pbVar2[5];

    local_bc = pbVar2[6];

    local_bb = pbVar2[7];

    local_2c = (param_3 + -0x10) - iVar9;

    local_30 = local_2c >> 4;

    __n = local_2c & 0xf;

    uVar7 = 0;

    local_38 = pbVar2;

    while (uVar7 < local_30) {

      uVar7 = uVar7 + 1;

      construct_ctr_preload(auStack_98,uVar10,bVar1,param_2,&local_c0,uVar7);

      aes128k128d(param_4,auStack_98,local_a8);

      iVar8 = 0;

      do {

        local_88[iVar8] = pbVar2[iVar8 + 8] ^ local_a8[iVar8];

        iVar8 = iVar8 + 1;

      } while (iVar8 != 0x10);

      memmove(pbVar2,local_88,0x10)   //possible issue identified - semgrep

      pbVar2 = pbVar2 + 0x10;

    }

    local_34 = local_30 * 0x10;

    iVar8 = local_34 + iVar9 + 8;

    if (__n != 0) {

      construct_ctr_preload(auStack_98,uVar10,bVar1,param_2,&local_c0,local_30 + 1);

      memset(local_78,0,0x10)   //possible issue identified - semgrep

      memmove(local_78,param_2 + iVar8,__n)   //possible issue identified - semgrep

      aes128k128d(param_4,auStack_98,local_a8);

      iVar6 = 0;

      do {

        pbVar2 = local_78 + iVar6;

        pbVar3 = local_a8 + iVar6;

        pbVar5 = local_88 + iVar6;

        iVar6 = iVar6 + 1;

        *pbVar5 = *pbVar2 ^ *pbVar3;

      } while (iVar6 != 0x10);

      memmove(param_2 + iVar8 + -8,local_88,__n)   //possible issue identified - semgrep

      iVar8 = iVar8 + __n;

    }

    construct_ctr_preload(auStack_98,uVar10,bVar1,param_2,&local_c0,0);

    memset(local_78,0,0x10)   //possible issue identified - semgrep

    memmove(local_78,param_2 + iVar8,8)   //possible issue identified - semgrep

    aes128k128d(param_4,auStack_98,local_a8);

    iVar8 = 0;

    do {

      pbVar2 = local_78 + iVar8;

      pbVar3 = local_a8 + iVar8;

      pbVar5 = local_88 + iVar8;

      iVar8 = iVar8 + 1;

      *pbVar5 = *pbVar2 ^ *pbVar3;

    } while (iVar8 != 0x10);

    memmove(auStack_b0,local_88,8)   //possible issue identified - semgrep

    param_2[1] = param_2[1] | 0x40;

    construct_mic_iv(auStack_68,bVar1,uVar10,param_2,local_2c,&local_c0);

    construct_mic_header1(local_58,iVar9,param_2);

    construct_mic_header2(local_48,param_2,uVar10,bVar1);

    aes128k128d(param_4,auStack_68,local_a8);

    iVar8 = 0;

    do {

      pbVar2 = local_58 + iVar8;

      pbVar3 = local_a8 + iVar8;

      pbVar5 = local_88 + iVar8;

      iVar8 = iVar8 + 1;

      *pbVar5 = *pbVar2 ^ *pbVar3;

    } while (iVar8 != 0x10);

    aes128k128d(param_4,local_88,local_a8);

    iVar8 = 0;

    do {

      pbVar2 = local_48 + iVar8;

      pbVar3 = local_a8 + iVar8;

      pbVar5 = local_88 + iVar8;

      iVar8 = iVar8 + 1;

      *pbVar5 = *pbVar2 ^ *pbVar3;

    } while (iVar8 != 0x10);

    aes128k128d(param_4,local_88,local_a8);

    for (uVar10 = 0; iVar8 = 0, uVar10 < local_30; uVar10 = uVar10 + 1) {

      do {

        pbVar3 = local_a8 + iVar8;

        pbVar2 = local_38 + iVar8;

        pbVar5 = local_88 + iVar8;

        iVar8 = iVar8 + 1;

        *pbVar5 = *pbVar2 ^ *pbVar3;

      } while (iVar8 != 0x10);

      aes128k128d(param_4,local_88,local_a8);

      local_38 = local_38 + 0x10;

    }

    iVar9 = local_34 + iVar9;

    if (__n != 0) {

      memset(local_78,0,0x10)   //possible issue identified - semgrep

      memmove(local_78,param_2 + iVar9,__n)   //possible issue identified - semgrep

      iVar9 = 0;

      do {

        pbVar2 = local_78 + iVar9;

        pbVar3 = local_a8 + iVar9;

        pbVar5 = local_88 + iVar9;

        iVar9 = iVar9 + 1;

        *pbVar5 = *pbVar2 ^ *pbVar3;

      } while (iVar9 != 0x10);

      aes128k128d(param_4);

    }

    iVar9 = 0;

    do {

      pbVar2 = local_a8 + iVar9;

      pbVar3 = local_b8 + iVar9;

      iVar9 = iVar9 + 1;

      *pbVar3 = *pbVar2;

    } while (iVar9 != 8);

    iVar9 = memcmp(local_b8,auStack_b0,8);

    if (iVar9 == 0) {

      return 1;

    }

    if (RTDebugLevel == 0) {

      return 0;

    }

    pcVar4 = "RTMPSoftDecryptAES, MIC Error !\n";

  }

  printk(pcVar4);

  return 0;

}