{********************************************************}
{                                                        }
{   Olive BBS                                            }
{                                                        }
{   Copyleft (ↄ) 2020 Olive BBS                          }
{                                                        }
{   This file is part of Olive BBS                       }
{                                                        }
{   Olive BBS is free software: you can redistribute it  }
{   and/or modify it under the terms of the GNU General  }
{   Public License as published by the Free Software     }
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{   (at your option) any later version.                  }
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{   Olive BBS is distributed in the hope that it will    }
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{   FOR A PARTICULAR PURPOSE.  See the GNU General       }
{   Public License for more details.                     }
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{   You should have received a copy of the GNU General   }
{   Public License along with Olive BBS.  If not, see    }
{   <http://www.gnu.org/licenses/>.                      }
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{********************************************************}
{        ___                   ___    ___                }
{       (   ).-.              (   )  (   )               }
{   .--. | |( __)___  ___ .--. | |.-. | |.-.     .--.    }
{  /    \| |(''"(   )(   /    \| /   \| /   \  /  _  \   }
{ |  .-. | | | | | |  | |  .-. |  .-. |  .-. |. .' `. ;  }
{ | |  | | | | | | |  | |  | | | |  | | |  | || '   | |  }
{ | |  | | | | | | |  | |  |/  | |  | | |  | |_\_`.(___) }
{ | |  | | | | | | |  | |  ' _.| |  | | |  | (   ). '.   }
{ | '  | | | | | ' '  ; |  .'.-| '  | | '  | || |  `\ |  }
{ '  `-' | | | |  \ `' /'  `-' ' `-' ;' `-' ; ; '._,' '  }
{  `.__.(___(___)  '_.'  `.__.' `.__.  `.__.   '.___.'   }
{                                                        }
{********************************************************}

{$mode objfpc}{$H+}
Unit Olive.Random.Generic;

interface

uses
  Objects,
  Classes,
  SysUtils,
  Olive.Random.RandomInterface;

type
  PRandomGeneric = ^RandomGeneric;
  RandomGeneric = class (RandomTrait, RandomInterface)
    public
      function GetBytes(NBytes : SizeUInt) : TBytes;
      function GetString(NBytes : SizeUInt) : AnsiString;
  end;

implementation


function RandomGeneric.GetBytes(NBytes : SizeUInt) : TBytes;
var
  RandomBuffer : AnsiString;
begin
  SetLength(Result, NBytes);
  RandomBuffer := GetString(NBytes);
  Move(RandomBuffer[1], Result[0], NBytes);
end;

function RandomGeneric.GetString(NBytes : SizeUInt) : AnsiString;
var
  ByteBuffer : TBytes;
begin
  SetLength(Result, NBytes);
  SetLength(ByteBuffer, (NBytes*2));
  ByteBuffer := MTRandomBytes((NBytes*2));
  Move(ByteBuffer[0], Result[1], NBytes);
end;

end.