/* hdcp_subcmd12_rxinfo @ 0x402a88 */
int __fastcall hdcp_subcmd12_rxinfo(struct hdcp_session *sess, unsigned __int8 *msg, unsigned int len, int *out)
{
  int result; // r0
  unsigned int v9; // r8
  unsigned int v10; // r10
  int v11; // r9
  __int16 v12; // r6
  __int16 v13; // r9
  unsigned int v14; // r0
  int v15; // r6
  bool v16; // zf
  int v17; // r0
  int v18; // r9
  unsigned int v19; // r0
  unsigned int seq_valid; // r1
  int rx_count; // r8
  int v22; // r7
  __int64 v23; // r2
  _BYTE *v24; // r0
  unsigned int mode; // r1
  unsigned int v26; // r8
  unsigned int v27; // r7
  int v28; // r0
  int v29; // r1
  unsigned int f44; // r2
  int v31; // r1
  _BYTE *v32; // r1
  unsigned int v33; // r3
  unsigned int v34; // r6
  unsigned int v35; // r7
  unsigned int i; // r7
  unsigned __int8 *v37; // r1
  int v38; // r0
  int v39; // r6
  int v40; // r2
  int v41; // r3
  int f4c_high; // r1
  unsigned int devid; // r0
  int v44; // r0
  unsigned int v45; // r6
  unsigned __int8 v46; // [sp+4h] [bp-210h]
  int v47; // [sp+8h] [bp-20Ch]
  int v48; // [sp+Ch] [bp-208h]
  int v49; // [sp+10h] [bp-204h]
  int v50; // [sp+14h] [bp-200h]
  int v51; // [sp+18h] [bp-1FCh] BYREF
  unsigned __int16 v52; // [sp+1Ch] [bp-1F8h] BYREF
  int v53; // [sp+20h] [bp-1F4h] BYREF
  unsigned __int8 f50_high; // [sp+24h] [bp-1F0h]
  _BYTE v55[3]; // [sp+25h] [bp-1EFh] BYREF
  _DWORD v56[8]; // [sp+C0h] [bp-154h] BYREF
  int v57[8]; // [sp+E0h] [bp-134h] BYREF
  _BYTE v58[200]; // [sp+100h] [bp-114h] BYREF
  int v59; // [sp+1C8h] [bp-4Ch] BYREF
  _DWORD v60[11]; // [sp+1E8h] [bp-2Ch] BYREF

  v60[10] = *off_40394C;
  v52 = 0;
  ta_memclr(v58, 0x10Cu);
  result = 1;
  if ( sess == nullptr || msg == nullptr || out == nullptr )
    return result;
  *out = 100;
  if ( sess->flag_24d != 0 )
  {
    if ( asd_rpc_1a2(sess->devid) != 0 )
      return 20;
    sess->flag_24d = 0;
  }
  if ( sess->topology_type == 6 )
  {
    if ( sess->mode == 20 )
    {
      if ( len <= 1 )
        goto LABEL_27;
      v9 = msg[1];
      sess->f34 = v9;
      v10 = *msg;
      sess->f30 = v10;
      v11 = msg[2];
      sess->rx_count = v11;
      sess->f3c = msg[3];
      if ( msg[1] == 0 && *msg == 0 )
      {
        if ( 5 * msg[2] + 36 == len )
        {
          v12 = 0;
          v47 = 32;
          sess->seq_valid = 0;
          ta_memcpy(v57, msg + 4, 0x20u);
          ta_memcpy(sess->rx_ids, msg + 36, 5 * v11);
          v46 = 0;
          v48 = 0;
          v50 = 0;
          v49 = 0;
          goto LABEL_17;
        }
LABEL_27:
        sess->err_state = 7;
        v17 = 109;
LABEL_31:
        *out = v17;
        return 0;
      }
LABEL_30:
      sess->err_state = 7;
      v17 = 107;
      goto LABEL_31;
    }
    if ( len <= 1 )
      goto LABEL_27;
    v9 = msg[1];
    sess->f34 = v9;
    v10 = *msg;
    sess->f30 = v10;
    v18 = msg[2];
    sess->rx_count = v18;
    sess->f3c = msg[3];
    sess->f40 = msg[5];
    sess->f44 = msg[4];
    if ( msg[1] != 0 || *msg != 0 )
      goto LABEL_30;
    if ( 5 * msg[2] + 25 != len )
      goto LABEL_27;
    v48 = msg[6];
    v50 = msg[7];
    v49 = msg[8];
    v47 = 16;
    ta_memcpy(v57, msg + 9, 0x10u);
    ta_memcpy(sess->rx_ids, msg + 25, 5 * v18);
    v12 = 0;
    v46 = 0;
  }
  else
  {
    if ( len != 176 )
      goto LABEL_27;
    v46 = *msg;
    v13 = msg[1];
    ta_bounded_copy(msg, &v52, 2u);
    v14 = v52;
    v9 = (v52 & 8) != 0;
    sess->f34 = v9;
    sess->f44 = (v14 & 2) != 0;
    sess->f40 = v14 & 1;
    sess->f3c = (v14 >> 9) & 7;
    v15 = (v14 >> 4) & 0x1F;
    sess->rx_count = v15;
    v10 = (v14 & 4) != 0;
    sess->f30 = v10;
    v48 = msg[2];
    v50 = msg[3];
    v49 = msg[4];
    v47 = 16;
    ta_memcpy(v57, msg + 5, 0x10u);
    ta_memcpy(sess->rx_ids, msg + 21, 5 * v15);
    v12 = v13 << 8;
  }
LABEL_17:
  v16 = v9 == 0;
  if ( v9 == 0 )
    v16 = v10 == 0;
  if ( !v16 )
    goto LABEL_30;
  if ( (sess->f40 != 0 || sess->f44 != 0) && sess->f1c - 1 <= 1 )
  {
    sess->f20 = 0;
    if ( asd_rpc_1a3(sess->devid, 1) != 0 )
      return 17;
  }
  v19 = v48 | (v50 << 8) | (v49 << 16);
  seq_valid = sess->seq_valid;
  if ( v19 != 0 && seq_valid == 0 || seq_valid == 1 && v19 < sess->seq_num )
  {
    sess->err_state = 7;
    v17 = 108;
    goto LABEL_31;
  }
  rx_count = sess->rx_count;
  sess->seq_num = v19;
  sess->seq_valid = 1;
  v22 = 5 * rx_count;
  ta_memcpy(v58, sess->rx_ids, 5 * rx_count);
  if ( sess->topology_type != 6 )
  {
    v26 = v47;
    v58[v22] = v46 | v12;
    v58[v22 + 1] = HIBYTE(v12);
    v28 = 5;
    v29 = 2;
LABEL_46:
    v31 = v29 + v22;
    v27 = v22 + v28;
    v58[v31] = v48;
    v32 = &v58[v31];
    v32[2] = v49;
    v32[1] = v50;
    goto LABEL_47;
  }
  v23 = *(_QWORD *)&sess->f30;
  v58[5 * rx_count] = sess->f3c;
  v24 = &v58[v22];
  mode = sess->mode;
  v24[2] = BYTE4(v23);
  v24[1] = rx_count;
  v24[3] = v23;
  if ( mode != 20 )
  {
    f44 = sess->f44;
    v24[5] = *(_QWORD *)&sess->f40;
    v28 = 9;
    v58[v22 + 4] = f44;
    v29 = 6;
    v26 = v47;
    goto LABEL_46;
  }
  v26 = v47;
  v27 = v22 + 4;
LABEL_47:
  ta_memcpy(&v59, &sess->rx_ids[189], 0x20u);
  v60[8] = v26;
  ta_memcpy_aligned(v60, v57, v26);
  if ( hdcp_verify_mac(v58, v27, v56, &v51, 0x20u) != 0 )
  {
    sess->err_state = 7;
    *out = 106;
    ta_memclr(v56, 0x20u);
    ta_memclr(v58, 0x10Cu);
    return 0;
  }
  if ( v51 == 32 )
  {
    v33 = v56[5];
    v34 = v56[6];
    v35 = v56[7];
    sess->hash[0] = v56[4];
    sess->hash[1] = v33;
    sess->hash[2] = v34;
    sess->hash[3] = v35;
  }
  ta_memclr(v56, 0x20u);
  ta_memclr(v58, 0x10Cu);
  for ( i = 0; i < sess->rx_count; ++i )
  {
    v37 = &sess->rx_ids[5 * i];
    v38 = *v37;
    v39 = v37[3];
    v40 = v37[1];
    v41 = v37[2];
    f50_high = v37[4];
    v53 = v38 | (v40 << 8) | ((v41 | (v39 << 8)) << 16);
    if ( asd_rpc_303(&v53) != 0 )
      goto LABEL_59;
  }
  if ( asd_rpc_1a8(sess->buf268) != 0 )
    return 17;
  ta_memclr_unaligned(v55, 0x9Bu);
  f4c_high = HIBYTE(sess->f4c);
  f50_high = HIBYTE(sess->f50);
  devid = sess->devid;
  v53 = f4c_high | (LOBYTE(sess->f50) << 8) | ((BYTE1(sess->f50) | (BYTE2(sess->f50) << 8)) << 16);
  v44 = asd_rpc_1a7(devid, &v53, 1u, sess->buf268);
  if ( v44 != 0
    || (v45 = sess->rx_count,
        ta_memcpy(&v53, sess->rx_ids, 5 * v45),
        (v44 = asd_rpc_1a7(sess->devid, &v53, v45, sess->buf268)) != 0) )
  {
    if ( v44 != 23 )
      return 17;
LABEL_59:
    sess->err_state = 7;
    *out = 112;
    return 17;
  }
  *out = 0;
  return 0;
}


/* ================================================================ */

/* hdcp_subcmd_dispatch @ 0x402910 */
int __fastcall hdcp_subcmd_dispatch(struct hdcp_session *a1, int *a2, unsigned __int8 *a3, unsigned int a4, int *a5)
{
  unsigned int v5; // r5
  int v6; // r1
  int v7; // r1
  int v8; // r0

  v5 = a2[1];
  if ( v5 <= a4 )
  {
    v7 = *a2;
    if ( v7 == 1 )
    {
      v8 = 2;
    }
    else if ( v7 == *a3 )
    {
      switch ( v7 )
      {
        case 3:
          return sub_4023DC((int)a1, a3 + 1, v5 - 1, a5);
        case 6:
          return sub_4028B0((int)a1, (char *)a3 + 1, v5 - 1, a5);
        case 7:
          return sub_4025AC((int)a1, (int)(a3 + 1), v5 - 1, a5);
        case 8:
          return sub_4027E0((int)a1, (int)(a3 + 1), v5 - 1, a5);
        case 10:
          return sub_4029F2((int)a1, (int)(a3 + 1), v5 - 1, a5);
        case 12:
          return hdcp_subcmd12_rxinfo(a1, a3 + 1, v5 - 1, a5);
        case 13:
          v6 = 1;
          if ( a1 == nullptr || a5 == nullptr )
            return v6;
          *a5 = 100;
          if ( v5 == 1 )
          {
            v6 = 0;
            *a5 = 0;
            return v6;
          }
          a1->err_state = 7;
          v8 = 109;
          break;
        case 17:
          JUMPOUT(0x402E90);
        case 18:
          return sub_402A4C((int)a1, a3 + 1, v5 - 1, a5);
        case 20:
          return sub_402380((int)a1, a3 + 1, v5 - 1, a5);
        default:
          v8 = 105;
          break;
      }
    }
    else
    {
      a1->err_state = 7;
      v8 = 102;
    }
    v6 = 0;
    *a5 = v8;
  }
  else
  {
    a1->err_state = 7;
    *a5 = 101;
    return 21;
  }
  return v6;
}


/* ================================================================ */

/* hdcp_cmd0F_handler @ 0x4021a0 */
int __fastcall hdcp_cmd0F_handler(const void *a1, int a2)
{
  int v4; // r6
  unsigned int v5; // r5
  int v6; // r11
  struct hdcp_session *v7; // r10
  unsigned int active; // r0
  bool v9; // zf
  int v11; // r2
  _DWORD *v12; // r2
  int v13; // t1
  int v14; // r2
  _DWORD *v15; // r7
  int v16; // r1
  int v17; // r2
  int v18; // r0
  _DWORD *v19; // [sp+8h] [bp-26Ch]
  int v20; // [sp+Ch] [bp-268h] BYREF
  int v21; // [sp+10h] [bp-264h] BYREF
  int v22; // [sp+14h] [bp-260h] BYREF
  int v23; // [sp+18h] [bp-25Ch] BYREF
  int v24; // [sp+1Ch] [bp-258h] BYREF
  __int64 v25; // [sp+20h] [bp-254h] BYREF
  unsigned int v26; // [sp+28h] [bp-24Ch] BYREF
  int v27; // [sp+2Ch] [bp-248h] BYREF
  int v28; // [sp+30h] [bp-244h]
  int v29; // [sp+34h] [bp-240h] BYREF
  int v30; // [sp+38h] [bp-23Ch]
  int v31; // [sp+3Ch] [bp-238h] BYREF
  unsigned __int8 v32[544]; // [sp+44h] [bp-230h] BYREF
  int v33; // [sp+264h] [bp-10h]
  int v34; // [sp+268h] [bp-Ch]

  ta_memclr(&v26, 0x244u);
  v4 = 2;
  v25 = 0;
  if ( a1 != nullptr && a2 != 0 )
  {
    ta_memcpy_aligned(&v26, a1, 0x244u);
    v5 = v26;
    if ( v26 <= 7 )
    {
      v6 = dword_40237C;
      v7 = (struct hdcp_session *)(dword_40237C + 652 * v26);
      active = v7->active;
      v9 = active == 1;
      if ( active == 1 )
        v9 = v7->state == 2;
      if ( v9 )
      {
        v11 = dword_40237C + 652 * v26;
        v4 = 0;
        *(_DWORD *)(a2 + 36) = 100;
        *(_DWORD *)(a2 + 4) = 0;
        *(_DWORD *)(a2 + 8) = 0;
        *(_DWORD *)(a2 + 12) = 0;
        *(_DWORD *)(a2 + 16) = 0;
        *(_DWORD *)(a2 + 20) = 100;
        *(_DWORD *)(a2 + 24) = 100;
        *(_DWORD *)(a2 + 28) = 100;
        *(_DWORD *)(a2 + 32) = 100;
        v13 = *(_DWORD *)(v11 + 24);
        v12 = (_DWORD *)(v11 + 24);
        if ( v13 == 7 )
          return v4;
        v19 = v12;
        v24 = 100;
        v22 = 100;
        v23 = 100;
        v4 = hdcp_subcmd_dispatch(v7, &v27, v32, 0x220u, &v24);
        if ( v4 != 0 || (v4 = hdcp_subcmd_dispatch(v7, &v29, &v32[v28], 544 - v28, &v23)) != 0 )
        {
          v14 = v23;
          *(_DWORD *)(a2 + 20) = v24;
          *(_DWORD *)(a2 + 24) = v14;
          *(_DWORD *)(a2 + 28) = 100;
        }
        else
        {
          v4 = hdcp_subcmd_dispatch(v7, &v31, &v32[v28 + v30], 544 - (v28 + v30), &v22);
          v16 = v22;
          v17 = v23;
          *(_DWORD *)(a2 + 20) = v24;
          *(_DWORD *)(a2 + 24) = v17;
          *(_DWORD *)(a2 + 28) = v16;
          if ( v4 == 0 )
          {
            v18 = v6 + 652 * v5;
            *(_DWORD *)(a2 + 4) = *(_DWORD *)(v18 + 36);
            *(_DWORD *)(a2 + 8) = *(_DWORD *)(v18 + 40);
            *(_DWORD *)(a2 + 12) = *(unsigned __int8 *)(v18 + 44);
            *(_DWORD *)(a2 + 16) = *(unsigned __int8 *)(v18 + 45);
            v20 = 100;
            v21 = 100;
            v4 = sub_4020E0((int)v7, v33, a2 + 56, 168, &v25, &v21);
            *(_QWORD *)(a2 + 40) = v25;
            v15 = v19;
            *(_DWORD *)(a2 + 32) = v21;
            if ( v4 == 0 )
            {
              if ( HIDWORD(v25) >= 0xA8 )
              {
                v4 = 21;
                *(_DWORD *)(a2 + 36) = 101;
              }
              else
              {
                v4 = sub_4020E0((int)v7, v34, a2 + HIDWORD(v25) + 56, 168 - HIDWORD(v25), (_DWORD *)(a2 + 48), &v20);
                *(_DWORD *)(a2 + 36) = v20;
                if ( v4 == 0 )
                {
                  if ( *v19 == 8 || *v19 == 6 )
                    v4 = 0;
                  else
                    v4 = 0;
                  goto LABEL_15;
                }
              }
            }
LABEL_14:
            *v15 = 7;
LABEL_15:
            if ( sub_4046D8() != 0 )
              return 17;
            *(_DWORD *)a2 = *v15;
            return v4;
          }
        }
        v15 = v19;
        v20 = 100;
        v21 = 100;
        goto LABEL_14;
      }
    }
    return 1;
  }
  return v4;
}


/* ================================================================ */

/* hdcp_cmd0E_open @ 0x401ebc */
int __fastcall hdcp_cmd0E_open(__int64 *a1, int *a2)
{
  int result; // r0
  int v4; // r3
  _DWORD *v5; // r5
  __int64 v6; // kr00_8
  int i; // r2
  int v8; // r6
  unsigned int *v9; // r6
  int v10; // r1

  result = 2;
  if ( a1 != nullptr && a2 != nullptr )
  {
    v4 = dword_401F54;
    v5 = (_DWORD *)(dword_4020DC + 1268);
    v6 = *a1;
    for ( i = 1; ; ++i )
    {
      if ( i == 8 )
        return 3;
      if ( *(_DWORD *)((char *)v5 + dword_401F54) == 0 )
        break;
      v5 += 163;
    }
    v8 = dword_401F58;
    *a2 = i;
    *(_DWORD *)((char *)v5 + v8) = v6;
    *(_DWORD *)((char *)v5 + v4) = 1;
    *(_DWORD *)((char *)v5 + dword_401F5C) = 2;
    if ( sub_404626() != 0 )
      return 17;
    v9 = v5 - 153;
    if ( HIDWORD(v6) == 1 )
    {
      v10 = 0;
    }
    else
    {
      v10 = 1;
      if ( HIDWORD(v6) != 2 )
        v6 = 0x200000002LL;
    }
    *(_DWORD *)((char *)v5 + dword_401F60) = v10;
    *(_DWORD *)((char *)v5 + dword_401F64) = v6;
    if ( asd_rpc_1a3(*v9, SHIDWORD(v6)) != 0 || asd_topology_query(*v9, v5 - 150) != 0 )
    {
      return 17;
    }
    else
    {
      *(_DWORD *)((char *)v5 + dword_401F68) = 0;
      *(v5 - 6) = -1;
      *(v5 - 5) = 0;
      *v5 = 0;
      return 0;
    }
  }
  return result;
}