mirror of
https://github.com/moparisthebest/Simba
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504 lines
15 KiB
ObjectPascal
504 lines
15 KiB
ObjectPascal
{******************************************************************************}
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{* DCPcrypt v2.0 written by David Barton (crypto@cityinthesky.co.uk) **********}
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{******************************************************************************}
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{* A binary compatible implementation of Haval ********************************}
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{******************************************************************************}
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{* Copyright (c) 1999-2002 David Barton *}
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{* Permission is hereby granted, free of charge, to any person obtaining a *}
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{* copy of this software and associated documentation files (the "Software"), *}
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{* to deal in the Software without restriction, including without limitation *}
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{* the rights to use, copy, modify, merge, publish, distribute, sublicense, *}
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{* and/or sell copies of the Software, and to permit persons to whom the *}
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{* Software is furnished to do so, subject to the following conditions: *}
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{* *}
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{* The above copyright notice and this permission notice shall be included in *}
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{* all copies or substantial portions of the Software. *}
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{* *}
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{* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *}
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{* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *}
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{* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *}
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{* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *}
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{* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *}
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{* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *}
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{* DEALINGS IN THE SOFTWARE. *}
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{******************************************************************************}
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unit DCPhaval;
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{$MODE Delphi}
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interface
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uses
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Classes, Sysutils, DCPcrypt2, DCPconst;
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type
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TDCP_haval= class(TDCP_hash)
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protected
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LenHi, LenLo: longword;
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Index: DWord;
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CurrentHash: array[0..7] of DWord;
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HashBuffer: array[0..127] of byte;
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procedure Compress;
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public
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class function GetId: integer; override;
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class function GetAlgorithm: string; override;
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class function GetHashSize: integer; override;
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class function SelfTest: boolean; override;
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procedure Init; override;
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procedure Burn; override;
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procedure Update(const Buffer; Size: longword); override;
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procedure Final(var Digest); override;
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end;
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{ Choose how many passes (previous versions of DCPcrypt uses 5 passes) }
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{ ONLY UNCOMMENT ONE! }
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//{$DEFINE PASS3}
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//{$DEFINE PASS4}
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{$DEFINE PASS5}
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{ Choose digest length (previous versions of DCPcrypt uses 256bits) }
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{ ONLY UNCOMMENT ONE! }
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//{$DEFINE DIGEST128}
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//{$DEFINE DIGEST160}
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//{$DEFINE DIGEST192}
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//{$DEFINE DIGEST224}
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{$DEFINE DIGEST256}
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{******************************************************************************}
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{******************************************************************************}
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implementation
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{$R-}{$Q-}
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procedure TDCP_haval.Compress;
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var
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t7, t6, t5, t4, t3, t2, t1, t0: DWord;
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W: array[0..31] of DWord;
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Temp: dword;
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begin
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dcpFillChar(W, SizeOf(W), 0);
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t0:= CurrentHash[0];
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t1:= CurrentHash[1];
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t2:= CurrentHash[2];
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t3:= CurrentHash[3];
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t4:= CurrentHash[4];
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t5:= CurrentHash[5];
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t6:= CurrentHash[6];
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t7:= CurrentHash[7];
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Move(HashBuffer,W,Sizeof(W));
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{$IFDEF PASS3}
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{$INCLUDE DCPhaval3.inc}
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{$ELSE}
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{$IFDEF PASS4}
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{$INCLUDE DCPhaval4.inc}
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{$ELSE}
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{$INCLUDE DCPhaval5.inc}
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{$ENDIF}
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{$ENDIF}
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Inc(CurrentHash[0],t0);
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Inc(CurrentHash[1],t1);
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Inc(CurrentHash[2],t2);
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Inc(CurrentHash[3],t3);
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Inc(CurrentHash[4],t4);
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Inc(CurrentHash[5],t5);
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Inc(CurrentHash[6],t6);
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Inc(CurrentHash[7],t7);
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FillChar(W,Sizeof(W),0);
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Index:= 0;
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FillChar(HashBuffer,Sizeof(HashBuffer),0);
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end;
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class function TDCP_haval.GetHashSize: integer;
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begin
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{$IFDEF DIGEST128}
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Result:= 128;
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{$ELSE}
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{$IFDEF DIGEST160}
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Result:= 160;
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{$ELSE}
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{$IFDEF DIGEST192}
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Result:= 192;
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{$ELSE}
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{$IFDEF DIGEST224}
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Result:= 224;
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{$ELSE}
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Result:= 256;
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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end;
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class function TDCP_haval.GetId: integer;
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begin
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Result:= DCP_haval;
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end;
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class function TDCP_haval.GetAlgorithm: string;
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begin
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Result:= 'Haval (';
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{$IFDEF DIGEST128}
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Result:= Result+'128bit, ';
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{$ELSE}
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{$IFDEF DIGEST160}
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Result:= Result+'160bit, ';
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{$ELSE}
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{$IFDEF DIGEST192}
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Result:= Result+'192bit, ';
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{$ELSE}
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{$IFDEF DIGEST224}
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Result:= Result+'224bit, ';
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{$ELSE}
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Result:= Result+'256bit, ';
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$IFDEF PASS3}
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Result:= Result+'3 passes)';
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{$ELSE}
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{$IFDEF PASS4}
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Result:= Result+'4 passes)';
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{$ELSE}
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Result:= Result+'5 passes)';
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{$ENDIF}
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{$ENDIF}
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end;
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class function TDCP_haval.SelfTest: boolean;
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{$IFDEF PASS3}
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{$IFDEF DIGEST128}
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const
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Test1Out: array[0..15] of byte=
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($1B,$DC,$55,$6B,$29,$AD,$02,$EC,$09,$AF,$8C,$66,$47,$7F,$2A,$87);
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var
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TestHash: TDCP_haval;
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TestOut: array[0..15] of byte;
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begin
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TestHash:= TDCP_haval.Create(nil);
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TestHash.Init;
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TestHash.UpdateStr('');
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TestHash.Final(TestOut);
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Result:= CompareMem(@TestOut,@Test1Out,Sizeof(Test1Out));
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TestHash.Free;
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{$ELSE}
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{$IFDEF DIGEST160}
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const
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Test1Out: array[0..19] of byte=
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($5E,$16,$10,$FC,$ED,$1D,$3A,$DB,$0B,$B1,
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$8E,$92,$AC,$2B,$11,$F0,$BD,$99,$D8,$ED);
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var
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TestHash: TDCP_haval;
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TestOut: array[0..19] of byte;
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begin
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TestHash:= TDCP_haval.Create(nil);
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TestHash.Init;
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TestHash.UpdateStr('a');
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TestHash.Final(TestOut);
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Result:= CompareMem(@TestOut,@Test1Out,Sizeof(Test1Out));
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TestHash.Free;
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{$ELSE}
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begin
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Result:= true;
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{$ENDIF}
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{$ENDIF}
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{$ELSE}
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{$IFDEF PASS4}
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{$IFDEF DIGEST192}
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const
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Test1Out: array[0..23] of byte=
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($74,$AA,$31,$18,$2F,$F0,$9B,$CC,$E4,$53,$A7,$F7,
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$1B,$5A,$7C,$5E,$80,$87,$2F,$A9,$0C,$D9,$3A,$E4);
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var
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TestHash: TDCP_haval;
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TestOut: array[0..23] of byte;
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begin
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TestHash:= TDCP_haval.Create(nil);
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TestHash.Init;
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TestHash.UpdateStr('HAVAL');
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TestHash.Final(TestOut);
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Result:= CompareMem(@TestOut,@Test1Out,Sizeof(Test1Out));
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TestHash.Free;
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{$ELSE}
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{$IFDEF DIGEST224}
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const
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Test1Out: array[0..27] of byte=
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($14,$4C,$B2,$DE,$11,$F0,$5D,$F7,$C3,$56,$28,$2A,$3B,$48,
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$57,$96,$DA,$65,$3F,$6B,$70,$28,$68,$C7,$DC,$F4,$AE,$76);
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var
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TestHash: TDCP_haval;
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TestOut: array[0..27] of byte;
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begin
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TestHash:= TDCP_haval.Create(nil);
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TestHash.Init;
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TestHash.UpdateStr('0123456789');
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TestHash.Final(TestOut);
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Result:= CompareMem(@TestOut,@Test1Out,Sizeof(Test1Out));
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TestHash.Free;
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{$ELSE}
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begin
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Result:= true;
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{$ENDIF}
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{$ENDIF}
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{$ELSE}
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{$IFDEF DIGEST256}
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const
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Test1Out: array[0..31] of byte=
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($1A,$1D,$C8,$09,$9B,$DA,$A7,$F3,$5B,$4D,$A4,$E8,$05,$F1,$A2,$8F,
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$EE,$90,$9D,$8D,$EE,$92,$01,$98,$18,$5C,$BC,$AE,$D8,$A1,$0A,$8D);
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Test2Out: array[0..31] of byte=
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($C5,$64,$7F,$C6,$C1,$87,$7F,$FF,$96,$74,$2F,$27,$E9,$26,$6B,$68,
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$74,$89,$4F,$41,$A0,$8F,$59,$13,$03,$3D,$9D,$53,$2A,$ED,$DB,$39);
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var
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TestHash: TDCP_haval;
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TestOut: array[0..31] of byte;
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begin
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dcpFillChar(TestOut, SizeOf(TestOut), 0);
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TestHash:= TDCP_haval.Create(nil);
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TestHash.Init;
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TestHash.UpdateStr('abcdefghijklmnopqrstuvwxyz');
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TestHash.Final(TestOut);
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Result:= CompareMem(@TestOut,@Test1Out,Sizeof(Test1Out));
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TestHash.Init;
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TestHash.UpdateStr('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789');
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TestHash.Final(TestOut);
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Result:= CompareMem(@TestOut,@Test2Out,Sizeof(Test2Out)) and Result;
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TestHash.Free;
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{$ELSE}
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begin
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Result:= true;
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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end;
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procedure TDCP_haval.Init;
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begin
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Burn;
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CurrentHash[0]:= $243F6A88;
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CurrentHash[1]:= $85A308D3;
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CurrentHash[2]:= $13198A2E;
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CurrentHash[3]:= $03707344;
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CurrentHash[4]:= $A4093822;
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CurrentHash[5]:= $299F31D0;
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CurrentHash[6]:= $082EFA98;
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CurrentHash[7]:= $EC4E6C89;
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fInitialized:= true;
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end;
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procedure TDCP_haval.Burn;
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begin
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LenHi:= 0; LenLo:= 0;
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Index:= 0;
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FillChar(HashBuffer,Sizeof(HashBuffer),0);
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FillChar(CurrentHash,Sizeof(CurrentHash),0);
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fInitialized:= false;
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end;
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procedure TDCP_haval.Update(const Buffer; Size: longword);
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var
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PBuf: ^byte;
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begin
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if not fInitialized then
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raise EDCP_hash.Create('Hash not initialized');
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Inc(LenHi,Size shr 29);
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Inc(LenLo,Size*8);
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if LenLo< (Size*8) then
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Inc(LenHi);
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PBuf:= @Buffer;
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while Size> 0 do
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begin
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if (Sizeof(HashBuffer)-Index)<= DWord(Size) then
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begin
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Move(PBuf^,HashBuffer[Index],Sizeof(HashBuffer)-Index);
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Dec(Size,Sizeof(HashBuffer)-Index);
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Inc(PBuf,Sizeof(HashBuffer)-Index);
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Compress;
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end
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else
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begin
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Move(PBuf^,HashBuffer[Index],Size);
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Inc(Index,Size);
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Size:= 0;
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end;
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end;
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end;
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procedure TDCP_haval.Final(var Digest);
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{$IFNDEF DIGEST256}
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{$IFNDEF DIGEST224}
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var
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temp: dword;
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{$ENDIF}
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{$ENDIF}
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begin
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if not fInitialized then
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raise EDCP_hash.Create('Hash not initialized');
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HashBuffer[Index]:= $80;
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if Index>= 118 then
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Compress;
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{$IFDEF PASS3}
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{$IFDEF DIGEST128}
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HashBuffer[118]:= ((128 and 3) shl 6) or (3 shl 3) or 1;
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HashBuffer[119]:= (128 shr 2) and $FF;
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{$ELSE}
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{$IFDEF DIGEST160}
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HashBuffer[118]:= ((160 and 3) shl 6) or (3 shl 3) or 1;
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HashBuffer[119]:= (160 shr 2) and $FF;
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{$ELSE}
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{$IFDEF DIGEST192}
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HashBuffer[118]:= ((192 and 3) shl 6) or (3 shl 3) or 1;
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HashBuffer[119]:= (192 shr 2) and $FF;
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{$ELSE}
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{$IFDEF DIGEST224}
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HashBuffer[118]:= ((224 and 3) shl 6) or (3 shl 3) or 1;
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HashBuffer[119]:= (224 shr 2) and $FF;
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{$ELSE}
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HashBuffer[118]:= ((256 and 3) shl 6) or (3 shl 3) or 1;
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HashBuffer[119]:= (256 shr 2) and $FF;
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$ELSE}
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{$IFDEF PASS4}
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{$IFDEF DIGEST128}
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HashBuffer[118]:= ((128 and 3) shl 6) or (4 shl 3) or 1;
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HashBuffer[119]:= (128 shr 2) and $FF;
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{$ELSE}
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{$IFDEF DIGEST160}
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HashBuffer[118]:= ((160 and 3) shl 6) or (4 shl 3) or 1;
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HashBuffer[119]:= (160 shr 2) and $FF;
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{$ELSE}
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{$IFDEF DIGEST192}
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HashBuffer[118]:= ((192 and 3) shl 6) or (4 shl 3) or 1;
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HashBuffer[119]:= (192 shr 2) and $FF;
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{$ELSE}
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{$IFDEF DIGEST224}
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HashBuffer[118]:= ((224 and 3) shl 6) or (4 shl 3) or 1;
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HashBuffer[119]:= (224 shr 2) and $FF;
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{$ELSE}
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HashBuffer[118]:= ((256 and 3) shl 6) or (4 shl 3) or 1;
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HashBuffer[119]:= (256 shr 2) and $FF;
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$ELSE}
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{$IFDEF DIGEST128}
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HashBuffer[118]:= ((128 and 3) shl 6) or (5 shl 3) or 1;
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HashBuffer[119]:= (2128 shr 2) and $FF;
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{$ELSE}
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{$IFDEF DIGEST160}
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HashBuffer[118]:= ((160 and 3) shl 6) or (5 shl 3) or 1;
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HashBuffer[119]:= (160 shr 2) and $FF;
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{$ELSE}
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{$IFDEF DIGEST192}
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HashBuffer[118]:= ((192 and 3) shl 6) or (5 shl 3) or 1;
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HashBuffer[119]:= (192 shr 2) and $FF;
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{$ELSE}
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{$IFDEF DIGEST224}
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HashBuffer[118]:= ((224 and 3) shl 6) or (5 shl 3) or 1;
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HashBuffer[119]:= (224 shr 2) and $FF;
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{$ELSE}
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HashBuffer[118]:= ((256 and 3) shl 6) or (5 shl 3) or 1;
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HashBuffer[119]:= (256 shr 2) and $FF;
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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PDWord(@HashBuffer[120])^:= LenLo;
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PDWord(@HashBuffer[124])^:= LenHi;
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Compress;
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{$IFDEF DIGEST128}
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temp:= (CurrentHash[7] and $000000FF) or
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(CurrentHash[6] and $FF000000) or
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(CurrentHash[5] and $00FF0000) or
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(CurrentHash[4] and $0000FF00);
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Inc(CurrentHash[0],(temp shr 8) or (temp shl 24));
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temp:= (CurrentHash[7] and $0000FF00) or
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(CurrentHash[6] and $000000FF) or
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(CurrentHash[5] and $FF000000) or
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(CurrentHash[4] and $00FF0000);
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Inc(CurrentHash[1],(temp shr 16) or (temp shl 16));
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temp:= (CurrentHash[7] and $00FF0000) or
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(CurrentHash[6] and $0000FF00) or
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(CurrentHash[5] and $000000FF) or
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(CurrentHash[4] and $FF000000);
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Inc(CurrentHash[2],(temp shr 24) or (temp shl 8));
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temp:= (CurrentHash[7] and $FF000000) or
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(CurrentHash[6] and $00FF0000) or
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(CurrentHash[5] and $0000FF00) or
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(CurrentHash[4] and $000000FF);
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Inc(CurrentHash[3],temp);
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Move(CurrentHash,Digest,128 div 8);
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{$ELSE}
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{$IFDEF DIGEST160}
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temp:= (CurrentHash[7] and $3F) or
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(CurrentHash[6] and ($7F shl 25)) or
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(CurrentHash[5] and ($3F shl 19));
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Inc(CurrentHash[0],(temp shr 19) or (temp shl 13));
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temp:= (CurrentHash[7] and ($3F shl 6)) or
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(CurrentHash[6] and $3F) or
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(CurrentHash[5] and ($7F shl 25));
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Inc(CurrentHash[1],(temp shr 25) or (temp shl 7));
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temp:= (CurrentHash[7] and ($7F shl 12)) or
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(CurrentHash[6] and ($3F shl 6)) or
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(CurrentHash[5] and $3F);
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Inc(CurrentHash[2],temp);
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temp:= (CurrentHash[7] and ($3F shl 19)) or
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(CurrentHash[6] and ($7F shl 12)) or
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(CurrentHash[5] and ($3F shl 6));
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Inc(CurrentHash[3],temp shr 6);
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temp:= (CurrentHash[7] and ($7F shl 25)) or
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(CurrentHash[6] and ($3F shl 19)) or
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(CurrentHash[5] and ($7F shl 12));
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Inc(CurrentHash[4],temp shr 12);
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Move(CurrentHash,Digest,160 div 8);
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{$ELSE}
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{$IFDEF DIGEST192}
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temp:= (CurrentHash[7] and $1F) or
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(CurrentHash[6] and ($3F shl 26));
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Inc(CurrentHash[0],(temp shr 26) or (temp shl 6));
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temp:= (CurrentHash[7] and ($1F shl 5)) or
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(CurrentHash[6] and $1F);
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Inc(CurrentHash[1],temp);
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temp:= (CurrentHash[7] and ($3F shl 10)) or
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(CurrentHash[6] and ($1F shl 5));
|
|
Inc(CurrentHash[2],temp shr 5);
|
|
temp:= (CurrentHash[7] and ($1F shl 16)) or
|
|
(CurrentHash[6] and ($3F shl 10));
|
|
Inc(CurrentHash[3],temp shr 10);
|
|
temp:= (CurrentHash[7] and ($1F shl 21)) or
|
|
(CurrentHash[6] and ($1F shl 16));
|
|
Inc(CurrentHash[4],temp shr 16);
|
|
temp:= (CurrentHash[7] and ($3F shl 26)) or
|
|
(CurrentHash[6] and ($1F shl 21));
|
|
Inc(CurrentHash[5],temp shr 21);
|
|
Move(CurrentHash,Digest,192 div 8);
|
|
{$ELSE}
|
|
{$IFDEF DIGEST224}
|
|
Inc(CurrentHash[0],(CurrentHash[7] shr 27) and $1F);
|
|
Inc(CurrentHash[1],(CurrentHash[7] shr 22) and $1F);
|
|
Inc(CurrentHash[2],(CurrentHash[7] shr 18) and $F);
|
|
Inc(CurrentHash[3],(CurrentHash[7] shr 13) and $1F);
|
|
Inc(CurrentHash[4],(CurrentHash[7] shr 9) and $F);
|
|
Inc(CurrentHash[5],(CurrentHash[7] shr 4) and $1F);
|
|
Inc(CurrentHash[6],CurrentHash[7] and $F);
|
|
Move(CurrentHash,Digest,224 div 8);
|
|
{$ELSE}
|
|
Move(CurrentHash,Digest,256 div 8);
|
|
{$ENDIF}
|
|
{$ENDIF}
|
|
{$ENDIF}
|
|
{$ENDIF}
|
|
Burn;
|
|
end;
|
|
|
|
end.
|