Renamed files
This commit is contained in:
parent
f23c9b2910
commit
262673e9b1
|
@ -2,3 +2,4 @@
|
||||||
*.ppu
|
*.ppu
|
||||||
*~
|
*~
|
||||||
tests/RandomTest
|
tests/RandomTest
|
||||||
|
src/backup
|
|
@ -0,0 +1,107 @@
|
||||||
|
{********************************************************}
|
||||||
|
{ }
|
||||||
|
{ 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 }
|
||||||
|
{ Foundation, either version 3 of the License, or }
|
||||||
|
{ (at your option) any later version. }
|
||||||
|
{ }
|
||||||
|
{ Olive BBS is distributed in the hope that it will }
|
||||||
|
{ be useful, but WITHOUT ANY WARRANTY; without even }
|
||||||
|
{ the implied warranty of MERCHANTABILITY or FITNESS }
|
||||||
|
{ FOR A PARTICULAR PURPOSE. See the GNU General }
|
||||||
|
{ Public License for more details. }
|
||||||
|
{ }
|
||||||
|
{ You should have received a copy of the GNU General }
|
||||||
|
{ Public License along with Olive BBS. If not, see }
|
||||||
|
{ <http://www.gnu.org/licenses/>. }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
{ ___ ___ ___ }
|
||||||
|
{ ( ).-. ( ) ( ) }
|
||||||
|
{ .--. | |( __)___ ___ .--. | |.-. | |.-. .--. }
|
||||||
|
{ / \| |(''"( )( / \| / \| / \ / _ \ }
|
||||||
|
{ | .-. | | | | | | | | .-. | .-. | .-. |. .' `. ; }
|
||||||
|
{ | | | | | | | | | | | | | | | | | | | || ' | | }
|
||||||
|
{ | | | | | | | | | | | |/ | | | | | | |_\_`.(___) }
|
||||||
|
{ | | | | | | | | | | | ' _.| | | | | | ( ). '. }
|
||||||
|
{ | ' | | | | | ' ' ; | .'.-| ' | | ' | || | `\ | }
|
||||||
|
{ ' `-' | | | | \ `' /' `-' ' `-' ;' `-' ; ; '._,' ' }
|
||||||
|
{ `.__.(___(___) '_.' `.__.' `.__. `.__. '.___.' }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
|
||||||
|
{$mode objfpc}{$H+}
|
||||||
|
Unit Olive.Random.BSD;
|
||||||
|
|
||||||
|
interface
|
||||||
|
|
||||||
|
uses
|
||||||
|
CTypes,
|
||||||
|
Objects,
|
||||||
|
Classes,
|
||||||
|
SysUtils,
|
||||||
|
Olive.Random.RandomInterface,
|
||||||
|
Olive.Random.URandom;
|
||||||
|
|
||||||
|
type
|
||||||
|
PCChar = ^CChar;
|
||||||
|
PBSDRandom = ^BSDRandom;
|
||||||
|
BSDRandom = class (RandomTrait, RandomInterface)
|
||||||
|
private
|
||||||
|
function GetSystemBytes(var RandomByteBuffer : TBytes; NBytes : SizeUint) : CInt;
|
||||||
|
public
|
||||||
|
function GetBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
function GetString(NBytes : SizeUInt) : AnsiString;
|
||||||
|
end;
|
||||||
|
|
||||||
|
procedure arc4random_buf(var Buffer; NBytes : csize_t);
|
||||||
|
cdecl;external 'c' name 'arc4random_buf';
|
||||||
|
|
||||||
|
implementation
|
||||||
|
|
||||||
|
function BSDRandom.GetSystemBytes(var RandomByteBuffer : TBytes; NBytes : SizeUint) : CInt;
|
||||||
|
var
|
||||||
|
CharBuffer : array of pcuint8;
|
||||||
|
begin
|
||||||
|
SetLength(CharBuffer, NBytes);
|
||||||
|
arc4random_buf(CharBuffer[0], NBytes);
|
||||||
|
if Length(CharBuffer) <> NBytes then
|
||||||
|
begin
|
||||||
|
RandomByteBuffer[0] := 0;
|
||||||
|
Result := -1;
|
||||||
|
end else
|
||||||
|
begin
|
||||||
|
Move(CharBuffer[Low(CharBuffer)], RandomByteBuffer[0], NBytes);
|
||||||
|
Result := High(RandomByteBuffer);
|
||||||
|
end;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function BSDRandom.GetBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
var
|
||||||
|
RandomBuffer : AnsiString;
|
||||||
|
begin
|
||||||
|
SetLength(RandomBuffer, NBytes);
|
||||||
|
SetLength(Result, NBytes);
|
||||||
|
RandomBuffer := GetString(NBytes);
|
||||||
|
Move(RandomBuffer[1], Result[0], NBytes);
|
||||||
|
end;
|
||||||
|
|
||||||
|
function BSDRandom.GetString(NBytes : SizeUInt) : AnsiString;
|
||||||
|
var
|
||||||
|
RandomBuffer : TBytes;
|
||||||
|
B : SizeInt;
|
||||||
|
begin
|
||||||
|
SetLength(RandomBuffer, (NBytes*2));
|
||||||
|
SetLength(Result, NBytes);
|
||||||
|
B := GetSystemBytes(RandomBuffer, (NBytes*2));
|
||||||
|
Move(RandomBuffer[0], Result[1], NBytes);
|
||||||
|
end;
|
||||||
|
|
||||||
|
end.
|
|
@ -0,0 +1,81 @@
|
||||||
|
{********************************************************}
|
||||||
|
{ }
|
||||||
|
{ 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 }
|
||||||
|
{ Foundation, either version 3 of the License, or }
|
||||||
|
{ (at your option) any later version. }
|
||||||
|
{ }
|
||||||
|
{ Olive BBS is distributed in the hope that it will }
|
||||||
|
{ be useful, but WITHOUT ANY WARRANTY; without even }
|
||||||
|
{ the implied warranty of MERCHANTABILITY or FITNESS }
|
||||||
|
{ FOR A PARTICULAR PURPOSE. See the GNU General }
|
||||||
|
{ Public License for more details. }
|
||||||
|
{ }
|
||||||
|
{ You should have received a copy of the GNU General }
|
||||||
|
{ Public License along with Olive BBS. If not, see }
|
||||||
|
{ <http://www.gnu.org/licenses/>. }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
{ ___ ___ ___ }
|
||||||
|
{ ( ).-. ( ) ( ) }
|
||||||
|
{ .--. | |( __)___ ___ .--. | |.-. | |.-. .--. }
|
||||||
|
{ / \| |(''"( )( / \| / \| / \ / _ \ }
|
||||||
|
{ | .-. | | | | | | | | .-. | .-. | .-. |. .' `. ; }
|
||||||
|
{ | | | | | | | | | | | | | | | | | | | || ' | | }
|
||||||
|
{ | | | | | | | | | | | |/ | | | | | | |_\_`.(___) }
|
||||||
|
{ | | | | | | | | | | | ' _.| | | | | | ( ). '. }
|
||||||
|
{ | ' | | | | | ' ' ; | .'.-| ' | | ' | || | `\ | }
|
||||||
|
{ ' `-' | | | | \ `' /' `-' ' `-' ;' `-' ; ; '._,' ' }
|
||||||
|
{ `.__.(___(___) '_.' `.__.' `.__. `.__. '.___.' }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
|
||||||
|
{$mode objfpc}{$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.
|
|
@ -0,0 +1,133 @@
|
||||||
|
{********************************************************}
|
||||||
|
{ }
|
||||||
|
{ 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 }
|
||||||
|
{ Foundation, either version 3 of the License, or }
|
||||||
|
{ (at your option) any later version. }
|
||||||
|
{ }
|
||||||
|
{ Olive BBS is distributed in the hope that it will }
|
||||||
|
{ be useful, but WITHOUT ANY WARRANTY; without even }
|
||||||
|
{ the implied warranty of MERCHANTABILITY or FITNESS }
|
||||||
|
{ FOR A PARTICULAR PURPOSE. See the GNU General }
|
||||||
|
{ Public License for more details. }
|
||||||
|
{ }
|
||||||
|
{ You should have received a copy of the GNU General }
|
||||||
|
{ Public License along with Olive BBS. If not, see }
|
||||||
|
{ <http://www.gnu.org/licenses/>. }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
{ ___ ___ ___ }
|
||||||
|
{ ( ).-. ( ) ( ) }
|
||||||
|
{ .--. | |( __)___ ___ .--. | |.-. | |.-. .--. }
|
||||||
|
{ / \| |(''"( )( / \| / \| / \ / _ \ }
|
||||||
|
{ | .-. | | | | | | | | .-. | .-. | .-. |. .' `. ; }
|
||||||
|
{ | | | | | | | | | | | | | | | | | | | || ' | | }
|
||||||
|
{ | | | | | | | | | | | |/ | | | | | | |_\_`.(___) }
|
||||||
|
{ | | | | | | | | | | | ' _.| | | | | | ( ). '. }
|
||||||
|
{ | ' | | | | | ' ' ; | .'.-| ' | | ' | || | `\ | }
|
||||||
|
{ ' `-' | | | | \ `' /' `-' ' `-' ;' `-' ; ; '._,' ' }
|
||||||
|
{ `.__.(___(___) '_.' `.__.' `.__. `.__. '.___.' }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
|
||||||
|
{$mode objfpc}{$H+}
|
||||||
|
Unit Olive.Random.Linux;
|
||||||
|
|
||||||
|
interface
|
||||||
|
|
||||||
|
uses
|
||||||
|
CTypes,
|
||||||
|
Objects,
|
||||||
|
Classes,
|
||||||
|
SysUtils,
|
||||||
|
Olive.Random.RandomInterface;
|
||||||
|
|
||||||
|
const
|
||||||
|
{$IF DEFINED(CPU64)} SYS_getrandom = 318;
|
||||||
|
{$ELSEIF DEFINED(CPU32)} SYS_getrandom = 355;
|
||||||
|
{$ELSE} SYS_getrandom = 278; {$ENDIF}
|
||||||
|
GRND_DEFAULT = $0000;
|
||||||
|
|
||||||
|
type
|
||||||
|
PCChar = ^CChar;
|
||||||
|
PLinuxRandom = ^LinuxRandom;
|
||||||
|
LinuxRandom = class (RandomTrait, RandomInterface)
|
||||||
|
private
|
||||||
|
function GetSystemBytes(var RandomByteBuffer : TBytes; NBytes : SizeUint) : CInt;
|
||||||
|
public
|
||||||
|
function GetBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
function GetString(NBytes : SizeUInt) : AnsiString;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function syscall(NRGetRandom : CInt) : CInt;cdecl;varargs;external 'c' name 'syscall';
|
||||||
|
|
||||||
|
implementation
|
||||||
|
|
||||||
|
function LinuxRandom.GetSystemBytes(var RandomByteBuffer : TBytes; NBytes : SizeUint) : CInt;
|
||||||
|
var
|
||||||
|
RandomCharBuffer : PCChar;
|
||||||
|
Return : CInt;
|
||||||
|
begin
|
||||||
|
GetMem(RandomCharBuffer, NBytes);
|
||||||
|
Return := syscall(SYS_getrandom, @RandomCharBuffer^, NBytes, GRND_DEFAULT);
|
||||||
|
Move(RandomCharBuffer[0], RandomByteBuffer[0], NBytes);
|
||||||
|
FreeMem(RandomCharBuffer);
|
||||||
|
Result := Return;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function LinuxRandom.GetBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
var
|
||||||
|
RandomBuffer : AnsiString;
|
||||||
|
begin
|
||||||
|
SetLength(Result, NBytes);
|
||||||
|
SetLength(RandomBuffer, NBytes);
|
||||||
|
RandomBuffer := GetString(NBytes);
|
||||||
|
Move(RandomBuffer[1], Result[0], NBytes);
|
||||||
|
end;
|
||||||
|
|
||||||
|
function LinuxRandom.GetString(NBytes : SizeUInt) : AnsiString;
|
||||||
|
var
|
||||||
|
Buffer : TFileStream;
|
||||||
|
RandomByteBuffer : TBytes;
|
||||||
|
ReadBytes : SizeUInt;
|
||||||
|
SysBytesRead : CInt;
|
||||||
|
begin
|
||||||
|
SetLength(RandomByteBuffer, (NBytes*2));
|
||||||
|
SetLength(Result, NBytes);
|
||||||
|
SysBytesRead := GetSystemBytes(RandomByteBuffer, (NBytes*2));
|
||||||
|
if (SysBytesRead <> (NBytes*2)) then
|
||||||
|
begin
|
||||||
|
if FileExists('/dev/urandom') then
|
||||||
|
begin
|
||||||
|
Writeln('URandom');
|
||||||
|
Buffer := TFileStream.Create('/dev/urandom', fmOpenRead);
|
||||||
|
Buffer.Position := 0;
|
||||||
|
ReadBytes := 0;
|
||||||
|
while ReadBytes <= (NBytes*2) do
|
||||||
|
begin
|
||||||
|
Buffer.Read(RandomByteBuffer[ReadBytes], SizeOf(RandomByteBuffer));
|
||||||
|
Inc(ReadBytes);
|
||||||
|
end;
|
||||||
|
Buffer.Free;
|
||||||
|
end
|
||||||
|
else if (not FileExists('/dev/udrandom')) then
|
||||||
|
begin
|
||||||
|
Writeln('Random');
|
||||||
|
RandomByteBuffer := MTRandomBytes((NBytes*2));
|
||||||
|
end else
|
||||||
|
begin
|
||||||
|
raise Exception.Create('All methods to aquire random bytes failed.')
|
||||||
|
at get_caller_addr(get_frame), get_caller_frame(get_frame);
|
||||||
|
end;
|
||||||
|
end;
|
||||||
|
Move(RandomByteBuffer[0], Result[1], NBytes);
|
||||||
|
end;
|
||||||
|
|
||||||
|
end.
|
|
@ -0,0 +1,90 @@
|
||||||
|
{********************************************************}
|
||||||
|
{ }
|
||||||
|
{ 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 }
|
||||||
|
{ Foundation, either version 3 of the License, or }
|
||||||
|
{ (at your option) any later version. }
|
||||||
|
{ }
|
||||||
|
{ Olive BBS is distributed in the hope that it will }
|
||||||
|
{ be useful, but WITHOUT ANY WARRANTY; without even }
|
||||||
|
{ the implied warranty of MERCHANTABILITY or FITNESS }
|
||||||
|
{ FOR A PARTICULAR PURPOSE. See the GNU General }
|
||||||
|
{ Public License for more details. }
|
||||||
|
{ }
|
||||||
|
{ You should have received a copy of the GNU General }
|
||||||
|
{ Public License along with Olive BBS. If not, see }
|
||||||
|
{ <http://www.gnu.org/licenses/>. }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
{ ___ ___ ___ }
|
||||||
|
{ ( ).-. ( ) ( ) }
|
||||||
|
{ .--. | |( __)___ ___ .--. | |.-. | |.-. .--. }
|
||||||
|
{ / \| |(''"( )( / \| / \| / \ / _ \ }
|
||||||
|
{ | .-. | | | | | | | | .-. | .-. | .-. |. .' `. ; }
|
||||||
|
{ | | | | | | | | | | | | | | | | | | | || ' | | }
|
||||||
|
{ | | | | | | | | | | | |/ | | | | | | |_\_`.(___) }
|
||||||
|
{ | | | | | | | | | | | ' _.| | | | | | ( ). '. }
|
||||||
|
{ | ' | | | | | ' ' ; | .'.-| ' | | ' | || | `\ | }
|
||||||
|
{ ' `-' | | | | \ `' /' `-' ' `-' ;' `-' ; ; '._,' ' }
|
||||||
|
{ `.__.(___(___) '_.' `.__.' `.__. `.__. '.___.' }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
|
||||||
|
{$mode objfpc}{$H+}
|
||||||
|
{$interfaces corba}
|
||||||
|
{$codepage UTF8}
|
||||||
|
Unit Olive.Random.RandomInterface;
|
||||||
|
|
||||||
|
interface
|
||||||
|
|
||||||
|
uses
|
||||||
|
Classes,
|
||||||
|
SysUtils;
|
||||||
|
|
||||||
|
type
|
||||||
|
RandomInterface = interface
|
||||||
|
['{0750E585-C1D2-4C1F-A8A4-4EDC41847396}']
|
||||||
|
function GetBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
function GetString(NBytes : SizeUInt) : AnsiString;
|
||||||
|
end;
|
||||||
|
|
||||||
|
RandomTrait = class (TObject)
|
||||||
|
public
|
||||||
|
constructor Create;
|
||||||
|
destructor Destroy; override;
|
||||||
|
function MTRandomBytes(NBytes : SizeUInt) : TBytes; virtual;
|
||||||
|
end;
|
||||||
|
|
||||||
|
implementation
|
||||||
|
|
||||||
|
constructor RandomTrait.Create;
|
||||||
|
begin
|
||||||
|
inherited Create;
|
||||||
|
end;
|
||||||
|
|
||||||
|
destructor RandomTrait.Destroy;
|
||||||
|
begin
|
||||||
|
inherited Destroy;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function RandomTrait.MTRandomBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
var
|
||||||
|
i : SizeUint;
|
||||||
|
begin
|
||||||
|
Randomize;
|
||||||
|
SetLength(Result, (NBytes*2));
|
||||||
|
for i := 0 to (NBytes*2) do
|
||||||
|
begin
|
||||||
|
Result[i] := Random(MaxInt) mod 256;
|
||||||
|
end;
|
||||||
|
SetLength(Result, NBytes);
|
||||||
|
end;
|
||||||
|
|
||||||
|
end.
|
|
@ -0,0 +1,131 @@
|
||||||
|
{********************************************************}
|
||||||
|
{ }
|
||||||
|
{ 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 }
|
||||||
|
{ Foundation, either version 3 of the License, or }
|
||||||
|
{ (at your option) any later version. }
|
||||||
|
{ }
|
||||||
|
{ Olive BBS is distributed in the hope that it will }
|
||||||
|
{ be useful, but WITHOUT ANY WARRANTY; without even }
|
||||||
|
{ the implied warranty of MERCHANTABILITY or FITNESS }
|
||||||
|
{ FOR A PARTICULAR PURPOSE. See the GNU General }
|
||||||
|
{ Public License for more details. }
|
||||||
|
{ }
|
||||||
|
{ You should have received a copy of the GNU General }
|
||||||
|
{ Public License along with Olive BBS. If not, see }
|
||||||
|
{ <http://www.gnu.org/licenses/>. }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
{ ___ ___ ___ }
|
||||||
|
{ ( ).-. ( ) ( ) }
|
||||||
|
{ .--. | |( __)___ ___ .--. | |.-. | |.-. .--. }
|
||||||
|
{ / \| |(''"( )( / \| / \| / \ / _ \ }
|
||||||
|
{ | .-. | | | | | | | | .-. | .-. | .-. |. .' `. ; }
|
||||||
|
{ | | | | | | | | | | | | | | | | | | | || ' | | }
|
||||||
|
{ | | | | | | | | | | | |/ | | | | | | |_\_`.(___) }
|
||||||
|
{ | | | | | | | | | | | ' _.| | | | | | ( ). '. }
|
||||||
|
{ | ' | | | | | ' ' ; | .'.-| ' | | ' | || | `\ | }
|
||||||
|
{ ' `-' | | | | \ `' /' `-' ' `-' ;' `-' ; ; '._,' ' }
|
||||||
|
{ `.__.(___(___) '_.' `.__.' `.__. `.__. '.___.' }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
|
||||||
|
{$mode objfpc}{$H+}
|
||||||
|
Unit Olive.Random.URandom;
|
||||||
|
|
||||||
|
interface
|
||||||
|
|
||||||
|
uses
|
||||||
|
CTypes,
|
||||||
|
Objects,
|
||||||
|
Classes,
|
||||||
|
SysUtils,
|
||||||
|
Olive.Random.RandomInterface;
|
||||||
|
|
||||||
|
const
|
||||||
|
{$IF DEFINED(CPU64)} SYS_getrandom = 318;
|
||||||
|
{$ELSEIF DEFINED(CPU32)} SYS_getrandom = 355;
|
||||||
|
{$ELSE} SYS_getrandom = 278; {$ENDIF}
|
||||||
|
GRND_DEFAULT = $0000;
|
||||||
|
|
||||||
|
type
|
||||||
|
PCChar = ^CChar;
|
||||||
|
PURandom = ^URandom;
|
||||||
|
URandom = class (RandomTrait, RandomInterface)
|
||||||
|
private
|
||||||
|
function GetSystemBytes(var RandomByteBuffer : TBytes; NBytes : SizeUint) : CInt;
|
||||||
|
public
|
||||||
|
function GetBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
function GetString(NBytes : SizeUInt) : AnsiString;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function syscall(NRGetRandom : CInt) : CInt;cdecl;varargs;external 'c' name 'syscall';
|
||||||
|
|
||||||
|
implementation
|
||||||
|
|
||||||
|
function URandom.GetSystemBytes(var RandomByteBuffer : TBytes; NBytes : SizeUint) : CInt;
|
||||||
|
var
|
||||||
|
RandomCharBuffer : PCChar;
|
||||||
|
Return : CInt;
|
||||||
|
begin
|
||||||
|
GetMem(RandomCharBuffer, NBytes);
|
||||||
|
Return := syscall(SYS_getrandom, @RandomCharBuffer^, NBytes, GRND_DEFAULT);
|
||||||
|
Move(RandomCharBuffer[0], RandomByteBuffer[0], NBytes);
|
||||||
|
FreeMem(RandomCharBuffer);
|
||||||
|
Result := Return;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function URandom.GetBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
var
|
||||||
|
RandomBuffer : AnsiString;
|
||||||
|
begin
|
||||||
|
SetLength(Result, NBytes);
|
||||||
|
SetLength(RandomBuffer, NBytes);
|
||||||
|
RandomBuffer := GetString(NBytes);
|
||||||
|
Move(RandomBuffer[1], Result[0], NBytes);
|
||||||
|
end;
|
||||||
|
|
||||||
|
function URandom.GetString(NBytes : SizeUInt) : AnsiString;
|
||||||
|
var
|
||||||
|
Buffer : TFileStream;
|
||||||
|
RandomByteBuffer : TBytes;
|
||||||
|
ReadBytes : SizeUInt;
|
||||||
|
SysBytesRead : CInt;
|
||||||
|
begin
|
||||||
|
SetLength(RandomByteBuffer, (NBytes*2));
|
||||||
|
SetLength(Result, NBytes);
|
||||||
|
SysBytesRead := GetSystemBytes(RandomByteBuffer, (NBytes*2));
|
||||||
|
if (SysBytesRead <> (NBytes*2)) then
|
||||||
|
begin
|
||||||
|
if FileExists('/dev/urandom') then
|
||||||
|
begin
|
||||||
|
Buffer := TFileStream.Create('/dev/urandom', fmOpenRead);
|
||||||
|
Buffer.Position := 0;
|
||||||
|
ReadBytes := 0;
|
||||||
|
while ReadBytes <= (NBytes*2) do
|
||||||
|
begin
|
||||||
|
Buffer.Read(RandomByteBuffer[ReadBytes], SizeOf(RandomByteBuffer));
|
||||||
|
Inc(ReadBytes);
|
||||||
|
end;
|
||||||
|
Buffer.Free;
|
||||||
|
end
|
||||||
|
else if (not FileExists('/dev/udrandom')) then
|
||||||
|
begin
|
||||||
|
RandomByteBuffer := MTRandomBytes((NBytes*2));
|
||||||
|
end else
|
||||||
|
begin
|
||||||
|
raise Exception.Create('All methods to aquire random bytes failed.')
|
||||||
|
at get_caller_addr(get_frame), get_caller_frame(get_frame);
|
||||||
|
end;
|
||||||
|
end;
|
||||||
|
Move(RandomByteBuffer[0], Result[1], NBytes);
|
||||||
|
end;
|
||||||
|
|
||||||
|
end.
|
|
@ -0,0 +1,123 @@
|
||||||
|
{********************************************************}
|
||||||
|
{ }
|
||||||
|
{ 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 }
|
||||||
|
{ Foundation, either version 3 of the License, or }
|
||||||
|
{ (at your option) any later version. }
|
||||||
|
{ }
|
||||||
|
{ Olive BBS is distributed in the hope that it will }
|
||||||
|
{ be useful, but WITHOUT ANY WARRANTY; without even }
|
||||||
|
{ the implied warranty of MERCHANTABILITY or FITNESS }
|
||||||
|
{ FOR A PARTICULAR PURPOSE. See the GNU General }
|
||||||
|
{ Public License for more details. }
|
||||||
|
{ }
|
||||||
|
{ You should have received a copy of the GNU General }
|
||||||
|
{ Public License along with Olive BBS. If not, see }
|
||||||
|
{ <http://www.gnu.org/licenses/>. }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
{ ___ ___ ___ }
|
||||||
|
{ ( ).-. ( ) ( ) }
|
||||||
|
{ .--. | |( __)___ ___ .--. | |.-. | |.-. .--. }
|
||||||
|
{ / \| |(''"( )( / \| / \| / \ / _ \ }
|
||||||
|
{ | .-. | | | | | | | | .-. | .-. | .-. |. .' `. ; }
|
||||||
|
{ | | | | | | | | | | | | | | | | | | | || ' | | }
|
||||||
|
{ | | | | | | | | | | | |/ | | | | | | |_\_`.(___) }
|
||||||
|
{ | | | | | | | | | | | ' _.| | | | | | ( ). '. }
|
||||||
|
{ | ' | | | | | ' ' ; | .'.-| ' | | ' | || | `\ | }
|
||||||
|
{ ' `-' | | | | \ `' /' `-' ' `-' ;' `-' ; ; '._,' ' }
|
||||||
|
{ `.__.(___(___) '_.' `.__.' `.__. `.__. '.___.' }
|
||||||
|
{ }
|
||||||
|
{********************************************************}
|
||||||
|
|
||||||
|
{$mode objfpc}{$H+}
|
||||||
|
Unit Olive.Random.Windows;
|
||||||
|
|
||||||
|
interface
|
||||||
|
|
||||||
|
uses
|
||||||
|
Objects,
|
||||||
|
Classes,
|
||||||
|
SysUtils,
|
||||||
|
Windows,
|
||||||
|
Olive.Random.RandomInterface;
|
||||||
|
|
||||||
|
const
|
||||||
|
CRYPT_VERIFYCONTEXT = $F0000000;
|
||||||
|
CRYPT_MACHINE_KEYSET = 32;
|
||||||
|
PROV_RSA_FULL = 1;
|
||||||
|
CRYPT_NEWKEYSET = 8;
|
||||||
|
|
||||||
|
|
||||||
|
type
|
||||||
|
HCRYPTPROV = ULONG_PTR;
|
||||||
|
PWindowsRandom = ^WindowsRandom;
|
||||||
|
WindowsRandom = class (RandomTrait, RandomInterface)
|
||||||
|
public
|
||||||
|
function GetBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
function GetString(NBytes : SizeUInt) : AnsiString;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function CryptAcquireContextW(var phProv: HCRYPTPROV; pszContainer: LPCTSTR;
|
||||||
|
pszProvider: LPCTSTR; dwProvType: DWORD; dwFlags: DWORD): BOOL;stdcall; external 'advapi32' name 'CryptAcquireContextW';
|
||||||
|
function CryptGenRandom(hProv: HCRYPTPROV; dwLen: DWORD;
|
||||||
|
var pbBuffer: BYTE): BOOL; stdcall; external 'advapi32' name 'CryptGenRandom';
|
||||||
|
|
||||||
|
implementation
|
||||||
|
|
||||||
|
|
||||||
|
function WindowsRandom.GetBytes(NBytes : SizeUInt) : TBytes;
|
||||||
|
var
|
||||||
|
RandomBuffer : AnsiString;
|
||||||
|
begin
|
||||||
|
SetLength(Result, NBytes);
|
||||||
|
SetLength(RandomBuffer, NBytes);
|
||||||
|
RandomBuffer := GetString(NBytes);
|
||||||
|
Move(RandomBuffer[1], Result[0], NBytes);
|
||||||
|
end;
|
||||||
|
|
||||||
|
function WindowsRandom.GetString(NBytes : SizeUInt) : AnsiString;
|
||||||
|
var
|
||||||
|
RandomBuffer : ^BYTE;
|
||||||
|
hCryptProv : ^ULONG_PTR;
|
||||||
|
WinCrypt : Boolean;
|
||||||
|
ReturnString : AnsiString;
|
||||||
|
i, Bytes : SizeInt;
|
||||||
|
ReturnBytes : TBytes;
|
||||||
|
begin
|
||||||
|
GetMem(RandomBuffer, (NBytes * 2));
|
||||||
|
CryptAcquireContextW(hCryptProv^, nil, nil, PROV_RSA_FULL,
|
||||||
|
CRYPT_NEWKEYSET or CRYPT_MACHINE_KEYSET or CRYPT_VERIFYCONTEXT );
|
||||||
|
WinCrypt := CryptGenRandom(hCryptProv^, (NBytes * 2), RandomBuffer^);
|
||||||
|
SetLength(ReturnString, (NBytes*2));
|
||||||
|
if WinCrypt then
|
||||||
|
begin
|
||||||
|
for i := 1 to (NBytes*2) do
|
||||||
|
begin
|
||||||
|
ReturnString[i] := Chr(RandomBuffer[i]);
|
||||||
|
end;
|
||||||
|
end else
|
||||||
|
begin
|
||||||
|
SetLength(ReturnBytes, (NBytes*2));
|
||||||
|
ReturnBytes := MTRandomBytes((NBytes*2));
|
||||||
|
end;
|
||||||
|
SetLength(Result, NBytes);
|
||||||
|
FreeMem(RandomBuffer, (NBytes * 2));
|
||||||
|
if WinCrypt then
|
||||||
|
begin
|
||||||
|
Move(ReturnString[1], Result[1], NBytes);
|
||||||
|
end else
|
||||||
|
begin
|
||||||
|
Move(ReturnBytes[0], Result[1], NBytes);
|
||||||
|
end;
|
||||||
|
|
||||||
|
end;
|
||||||
|
|
||||||
|
end.
|
Loading…
Reference in New Issue