int FUN_004082bc(FILE *param_1,uint param_2,undefined4 param_3)

{

  size_t sVar1;

  int iVar2;

  uint __n;

  uint uVar3;

  int iVar4;

  undefined1 auStack_480 [88];

  undefined1 auStack_428 [1028];

  uVar3 = param_2;

  if (param_2 == 0) {

    uVar3 = 0x400;

  }

  MD5Init(auStack_480);

  iVar4 = 0;

  while( true ) {

    iVar2 = feof(param_1);

    if (iVar2 != 0) break;

    iVar2 = ferror(param_1);

    if ((iVar2 != 0) || (uVar3 == 0)) break;

    __n = uVar3;

    if (0x400 < uVar3) {

      __n = 0x400;

    }

    sVar1 = fread(auStack_428,1,__n,param_1)   //possible issue identified - semgrep

    if (sVar1 != 0) {

      iVar4 = iVar4 + sVar1   //possible issue identified - semgrep

      MD5Update(auStack_480,auStack_428,sVar1);

    }

    if (param_2 != 0) {

      uVar3 = uVar3 - sVar1;

    }

  }

  MD5Final(param_3,auStack_480);

  return iVar4;

}