void hmac_md5(undefined4 param_1,undefined4 param_2,undefined1 *param_3,size_t param_4,

             undefined4 param_5)

{

  byte bVar1;

  byte *__s;

  byte *pbVar2;

  undefined1 auStack_168 [16];

  byte local_158 [64];

  byte abStack_118 [4];

  byte local_114 [68];

  undefined1 auStack_d0 [88];

  undefined1 auStack_78 [88];

  if (0x40 < (int)param_4) {

    MD5Init(auStack_78);

    MD5Update(auStack_78,param_3,param_4);

    param_3 = auStack_168;

    MD5Final(param_3,auStack_78);

    param_4 = 0x10   //possible issue identified - semgrep

  }

  memset(local_158,0,0x41)   //possible issue identified - semgrep

  __s = local_114;

  memset(__s,0,0x41)   //possible issue identified - semgrep

  memcpy(local_158,param_3,param_4)   //possible issue identified - semgrep

  memcpy(__s,param_3,param_4)   //possible issue identified - semgrep

  pbVar2 = local_158;

  do {

    bVar1 = *__s;

    *pbVar2 = *pbVar2 ^ 0x36;

    pbVar2 = pbVar2 + 1;

    *__s = bVar1 ^ 0x5c;

    __s = __s + 1;

  } while (pbVar2 != abStack_118);

  MD5Init(auStack_d0);

  MD5Update(auStack_d0,local_158,0x40);

  MD5Update(auStack_d0,param_1,param_2);

  MD5Final(param_5,auStack_d0);

  MD5Init(auStack_d0);

  MD5Update(auStack_d0,local_114,0x40);

  MD5Update(auStack_d0,param_5,0x10);

  MD5Final(param_5,auStack_d0);

  return;

}