Cleanup
This commit is contained in:
mysticbbs
parent
5ff385bf74
commit
82cd604c2f
340
mdl/m_crypt.pas
340
mdl/m_crypt.pas
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@ -4,8 +4,10 @@ Unit m_Crypt;
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Interface
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// merge in m_Crc, rewrite googled and shitty hextobyte function
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// m_CRC should be merged into this
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Function B64Encode (S: String) : String;
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Function B64Decode (S: String) : String;
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Function HMAC_MD5 (Text, Key: String) : String;
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Function MD5 (Const Value: String) : String;
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Function Digest2String (Digest: String) : String;
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@ -28,41 +30,70 @@ Type
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BufLong : array[0..15] of Integer;
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End;
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// rewrite the terribad functions now that this stuff is working
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Const
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B64Codes = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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function HexToByte (Hex: String) : byte;
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var
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n, n2, sayi: Integer;
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Function B64Encode (S: String) : String;
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Var
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I : Integer;
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A : Integer;
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X : Integer;
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B : Integer;
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Begin
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n := 0;
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n2 := 0;
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Result := '';
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A := 0;
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B := 0;
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Case Hex[1] Of
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'A','a': n:= 10;
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'B','b': n:= 11;
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'C','c': n:= 12;
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'D','d': n:= 13;
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'E','e': n:= 14;
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'F','f': n:= 15;
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For I := 1 to Length(S) Do Begin
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X := Byte(S[I]);
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B := B * 256 + X;
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A := A + 8;
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While A >= 6 Do Begin
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A := A - 6;
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X := B DIV (1 SHL a);
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B := B MOD (1 SHL a);
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Result := Result + B64Codes[X + 1];
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End;
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End;
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If Hex[1] in ['0','1','2','3','4','5','6','7','8','9'] Then
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n := strS2I(Hex[1]);
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If A > 0 Then Begin
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X := B SHL (6 - A);
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Result := Result + B64Codes[X + 1];
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Case Hex[2] Of
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'A','a': n2:= 10;
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'B','b': n2:= 11;
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'C','c': n2:= 12;
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'D','d': n2:= 13;
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'E','e': n2:= 14;
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'F','f': n2:= 15;
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If A = 4 Then Result := Result + '=';
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If A = 2 Then Result := Result + '==';
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End;
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End;
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If Hex[2] in ['0','1','2','3','4','5','6','7','8','9'] Then
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n2 := strS2I(Hex[2]);
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Function B64Decode (S: String) : String;
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Var
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I : Integer;
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A : Integer;
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X : Integer;
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B : Integer;
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Begin
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Result := '';
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A := 0;
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B := 0;
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sayi := n * 16 + n2;
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Result := sayi;
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For I := 1 to Length(S) Do Begin
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X := Pos(s[I], B64Codes) - 1;
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If X >= 0 Then Begin
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B := B * 64 + X;
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A := A + 6;
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If A >= 8 Then Begin
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A := A - 8;
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X := B SHR A;
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B := B MOD (1 SHL A);
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X := X MOD 256;
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Result := Result + Chr(X);
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End;
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End Else
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Exit;
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End;
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End;
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Function Digest2String (Digest: String) : String;
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@ -85,7 +116,7 @@ Begin
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Count := 1;
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While Count < Length(Str) Do Begin
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Result := Result + Char(HexToByte(Copy(Str, Count, 2)));
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Result := Result + Char(strH2I(Copy(Str, Count, 2)));
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Inc (Count, 2);
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End;
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End;
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@ -136,12 +167,12 @@ Begin
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Inc(Count[0], InputLen shl 3);
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if Count[0] < (InputLen shl 3) then
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If Count[0] < (InputLen shl 3) then
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Inc(Count[1]);
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Inc(Count[1], InputLen shr 29);
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partLen := 64 - Index;
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PartLen := 64 - Index;
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if InputLen >= partLen then begin
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ArrLongToByte(BufLong, BufAnsiChar);
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@ -154,147 +185,148 @@ Begin
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I := partLen;
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while I + 63 < InputLen do begin
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while I + 63 < InputLen do begin
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ArrLongToByte(BufLong, BufAnsiChar);
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Move(Data[I+1], BufAnsiChar, 64);
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ArrByteToLong(BufAnsiChar, BufLong);
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Transform(State, Buflong);
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inc(I, 64);
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end;
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inc(I, 64);
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end;
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Index := 0;
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end else
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End Else
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I := 0;
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ArrLongToByte(BufLong, BufAnsiChar);
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Move(Data[I+1], BufAnsiChar[Index], InputLen-I);
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ArrByteToLong(BufAnsiChar, BufLong);
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end
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end;
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End
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End;
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procedure MD5Transform(var Buf: array of LongInt; const Data: array of LongInt);
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var
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Procedure MD5Transform (Var Buf: Array of LongInt; const Data: Array of LongInt);
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Var
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A, B, C, D: LongInt;
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procedure Round1(var W: LongInt; X, Y, Z, Data: LongInt; S: Byte);
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begin
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Procedure Round1 (Var W: LongInt; X, Y, Z, Data: LongInt; S: Byte);
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Begin
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Inc(W, (Z xor (X and (Y xor Z))) + Data);
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W := (W shl S) or (W shr (32 - S));
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Inc(W, X);
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end;
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End;
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procedure Round2(var W: LongInt; X, Y, Z, Data: LongInt; S: Byte);
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begin
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Procedure Round2 (Var W: LongInt; X, Y, Z, Data: LongInt; S: Byte);
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Begin
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Inc(W, (Y xor (Z and (X xor Y))) + Data);
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W := (W shl S) or (W shr (32 - S));
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Inc(W, X);
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end;
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End;
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procedure Round3(var W: LongInt; X, Y, Z, Data: LongInt; S: Byte);
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begin
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Procedure Round3 (Var W: LongInt; X, Y, Z, Data: LongInt; S: Byte);
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Begin
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Inc(W, (X xor Y xor Z) + Data);
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W := (W shl S) or (W shr (32 - S));
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Inc(W, X);
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end;
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End;
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procedure Round4(var W: LongInt; X, Y, Z, Data: LongInt; S: Byte);
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begin
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Procedure Round4 (Var W: LongInt; X, Y, Z, Data: LongInt; S: Byte);
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Begin
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Inc(W, (Y xor (X or not Z)) + Data);
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W := (W shl S) or (W shr (32 - S));
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Inc(W, X);
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end;
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begin
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End;
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Begin
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A := Buf[0];
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B := Buf[1];
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C := Buf[2];
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D := Buf[3];
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Round1(A, B, C, D, Data[0] + Longint($D76AA478), 7);
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Round1(D, A, B, C, Data[1] + Longint($E8C7B756), 12);
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Round1(C, D, A, B, Data[2] + Longint($242070DB), 17);
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Round1(B, C, D, A, Data[3] + Longint($C1BDCEEE), 22);
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Round1(A, B, C, D, Data[4] + Longint($F57C0FAF), 7);
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Round1(D, A, B, C, Data[5] + Longint($4787C62A), 12);
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Round1(C, D, A, B, Data[6] + Longint($A8304613), 17);
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Round1(B, C, D, A, Data[7] + Longint($FD469501), 22);
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Round1(A, B, C, D, Data[8] + Longint($698098D8), 7);
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Round1(D, A, B, C, Data[9] + Longint($8B44F7AF), 12);
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Round1(C, D, A, B, Data[10] + Longint($FFFF5BB1), 17);
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Round1(B, C, D, A, Data[11] + Longint($895CD7BE), 22);
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Round1(A, B, C, D, Data[12] + Longint($6B901122), 7);
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Round1(D, A, B, C, Data[13] + Longint($FD987193), 12);
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Round1(C, D, A, B, Data[14] + Longint($A679438E), 17);
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Round1(B, C, D, A, Data[15] + Longint($49B40821), 22);
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Round1 (A, B, C, D, Data[0] + Longint($D76AA478), 7);
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Round1 (D, A, B, C, Data[1] + Longint($E8C7B756), 12);
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Round1 (C, D, A, B, Data[2] + Longint($242070DB), 17);
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Round1 (B, C, D, A, Data[3] + Longint($C1BDCEEE), 22);
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Round1 (A, B, C, D, Data[4] + Longint($F57C0FAF), 7);
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Round1 (D, A, B, C, Data[5] + Longint($4787C62A), 12);
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Round1 (C, D, A, B, Data[6] + Longint($A8304613), 17);
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Round1 (B, C, D, A, Data[7] + Longint($FD469501), 22);
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Round1 (A, B, C, D, Data[8] + Longint($698098D8), 7);
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Round1 (D, A, B, C, Data[9] + Longint($8B44F7AF), 12);
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Round1 (C, D, A, B, Data[10] + Longint($FFFF5BB1), 17);
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Round1 (B, C, D, A, Data[11] + Longint($895CD7BE), 22);
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Round1 (A, B, C, D, Data[12] + Longint($6B901122), 7);
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Round1 (D, A, B, C, Data[13] + Longint($FD987193), 12);
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Round1 (C, D, A, B, Data[14] + Longint($A679438E), 17);
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Round1 (B, C, D, A, Data[15] + Longint($49B40821), 22);
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Round2(A, B, C, D, Data[1] + Longint($F61E2562), 5);
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Round2(D, A, B, C, Data[6] + Longint($C040B340), 9);
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Round2(C, D, A, B, Data[11] + Longint($265E5A51), 14);
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Round2(B, C, D, A, Data[0] + Longint($E9B6C7AA), 20);
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Round2(A, B, C, D, Data[5] + Longint($D62F105D), 5);
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Round2(D, A, B, C, Data[10] + Longint($02441453), 9);
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Round2(C, D, A, B, Data[15] + Longint($D8A1E681), 14);
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Round2(B, C, D, A, Data[4] + Longint($E7D3FBC8), 20);
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Round2(A, B, C, D, Data[9] + Longint($21E1CDE6), 5);
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Round2(D, A, B, C, Data[14] + Longint($C33707D6), 9);
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Round2(C, D, A, B, Data[3] + Longint($F4D50D87), 14);
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Round2(B, C, D, A, Data[8] + Longint($455A14ED), 20);
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Round2(A, B, C, D, Data[13] + Longint($A9E3E905), 5);
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Round2(D, A, B, C, Data[2] + Longint($FCEFA3F8), 9);
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Round2(C, D, A, B, Data[7] + Longint($676F02D9), 14);
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Round2(B, C, D, A, Data[12] + Longint($8D2A4C8A), 20);
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Round2 (A, B, C, D, Data[1] + Longint($F61E2562), 5);
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Round2 (D, A, B, C, Data[6] + Longint($C040B340), 9);
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Round2 (C, D, A, B, Data[11] + Longint($265E5A51), 14);
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Round2 (B, C, D, A, Data[0] + Longint($E9B6C7AA), 20);
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Round2 (A, B, C, D, Data[5] + Longint($D62F105D), 5);
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Round2 (D, A, B, C, Data[10] + Longint($02441453), 9);
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Round2 (C, D, A, B, Data[15] + Longint($D8A1E681), 14);
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Round2 (B, C, D, A, Data[4] + Longint($E7D3FBC8), 20);
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Round2 (A, B, C, D, Data[9] + Longint($21E1CDE6), 5);
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Round2 (D, A, B, C, Data[14] + Longint($C33707D6), 9);
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Round2 (C, D, A, B, Data[3] + Longint($F4D50D87), 14);
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Round2 (B, C, D, A, Data[8] + Longint($455A14ED), 20);
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Round2 (A, B, C, D, Data[13] + Longint($A9E3E905), 5);
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Round2 (D, A, B, C, Data[2] + Longint($FCEFA3F8), 9);
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Round2 (C, D, A, B, Data[7] + Longint($676F02D9), 14);
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Round2 (B, C, D, A, Data[12] + Longint($8D2A4C8A), 20);
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Round3(A, B, C, D, Data[5] + Longint($FFFA3942), 4);
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Round3(D, A, B, C, Data[8] + Longint($8771F681), 11);
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Round3(C, D, A, B, Data[11] + Longint($6D9D6122), 16);
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Round3(B, C, D, A, Data[14] + Longint($FDE5380C), 23);
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Round3(A, B, C, D, Data[1] + Longint($A4BEEA44), 4);
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Round3(D, A, B, C, Data[4] + Longint($4BDECFA9), 11);
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Round3(C, D, A, B, Data[7] + Longint($F6BB4B60), 16);
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Round3(B, C, D, A, Data[10] + Longint($BEBFBC70), 23);
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Round3(A, B, C, D, Data[13] + Longint($289B7EC6), 4);
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Round3(D, A, B, C, Data[0] + Longint($EAA127FA), 11);
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Round3(C, D, A, B, Data[3] + Longint($D4EF3085), 16);
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Round3(B, C, D, A, Data[6] + Longint($04881D05), 23);
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Round3(A, B, C, D, Data[9] + Longint($D9D4D039), 4);
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Round3(D, A, B, C, Data[12] + Longint($E6DB99E5), 11);
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Round3(C, D, A, B, Data[15] + Longint($1FA27CF8), 16);
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Round3(B, C, D, A, Data[2] + Longint($C4AC5665), 23);
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Round3 (A, B, C, D, Data[5] + Longint($FFFA3942), 4);
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Round3 (D, A, B, C, Data[8] + Longint($8771F681), 11);
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Round3 (C, D, A, B, Data[11] + Longint($6D9D6122), 16);
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Round3 (B, C, D, A, Data[14] + Longint($FDE5380C), 23);
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Round3 (A, B, C, D, Data[1] + Longint($A4BEEA44), 4);
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Round3 (D, A, B, C, Data[4] + Longint($4BDECFA9), 11);
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Round3 (C, D, A, B, Data[7] + Longint($F6BB4B60), 16);
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Round3 (B, C, D, A, Data[10] + Longint($BEBFBC70), 23);
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Round3 (A, B, C, D, Data[13] + Longint($289B7EC6), 4);
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Round3 (D, A, B, C, Data[0] + Longint($EAA127FA), 11);
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Round3 (C, D, A, B, Data[3] + Longint($D4EF3085), 16);
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Round3 (B, C, D, A, Data[6] + Longint($04881D05), 23);
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Round3 (A, B, C, D, Data[9] + Longint($D9D4D039), 4);
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Round3 (D, A, B, C, Data[12] + Longint($E6DB99E5), 11);
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Round3 (C, D, A, B, Data[15] + Longint($1FA27CF8), 16);
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Round3 (B, C, D, A, Data[2] + Longint($C4AC5665), 23);
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Round4(A, B, C, D, Data[0] + Longint($F4292244), 6);
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Round4(D, A, B, C, Data[7] + Longint($432AFF97), 10);
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Round4(C, D, A, B, Data[14] + Longint($AB9423A7), 15);
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Round4(B, C, D, A, Data[5] + Longint($FC93A039), 21);
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Round4(A, B, C, D, Data[12] + Longint($655B59C3), 6);
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Round4(D, A, B, C, Data[3] + Longint($8F0CCC92), 10);
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Round4(C, D, A, B, Data[10] + Longint($FFEFF47D), 15);
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Round4(B, C, D, A, Data[1] + Longint($85845DD1), 21);
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Round4(A, B, C, D, Data[8] + Longint($6FA87E4F), 6);
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Round4(D, A, B, C, Data[15] + Longint($FE2CE6E0), 10);
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Round4(C, D, A, B, Data[6] + Longint($A3014314), 15);
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Round4(B, C, D, A, Data[13] + Longint($4E0811A1), 21);
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Round4(A, B, C, D, Data[4] + Longint($F7537E82), 6);
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Round4(D, A, B, C, Data[11] + Longint($BD3AF235), 10);
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Round4(C, D, A, B, Data[2] + Longint($2AD7D2BB), 15);
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Round4(B, C, D, A, Data[9] + Longint($EB86D391), 21);
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Round4 (A, B, C, D, Data[0] + Longint($F4292244), 6);
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Round4 (D, A, B, C, Data[7] + Longint($432AFF97), 10);
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Round4 (C, D, A, B, Data[14] + Longint($AB9423A7), 15);
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Round4 (B, C, D, A, Data[5] + Longint($FC93A039), 21);
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Round4 (A, B, C, D, Data[12] + Longint($655B59C3), 6);
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Round4 (D, A, B, C, Data[3] + Longint($8F0CCC92), 10);
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Round4 (C, D, A, B, Data[10] + Longint($FFEFF47D), 15);
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Round4 (B, C, D, A, Data[1] + Longint($85845DD1), 21);
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Round4 (A, B, C, D, Data[8] + Longint($6FA87E4F), 6);
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Round4 (D, A, B, C, Data[15] + Longint($FE2CE6E0), 10);
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Round4 (C, D, A, B, Data[6] + Longint($A3014314), 15);
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Round4 (B, C, D, A, Data[13] + Longint($4E0811A1), 21);
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Round4 (A, B, C, D, Data[4] + Longint($F7537E82), 6);
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Round4 (D, A, B, C, Data[11] + Longint($BD3AF235), 10);
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Round4 (C, D, A, B, Data[2] + Longint($2AD7D2BB), 15);
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Round4 (B, C, D, A, Data[9] + Longint($EB86D391), 21);
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||||
Inc(Buf[0], A);
|
||||
Inc(Buf[1], B);
|
||||
Inc(Buf[2], C);
|
||||
Inc(Buf[3], D);
|
||||
end;
|
||||
Inc (Buf[0], A);
|
||||
Inc (Buf[1], B);
|
||||
Inc (Buf[2], C);
|
||||
Inc (Buf[3], D);
|
||||
End;
|
||||
|
||||
function MDFinal(var MDContext: TMDCtx; transform: TMDTransform): string;
|
||||
var
|
||||
Cnt: Word;
|
||||
P: Byte;
|
||||
digest: array[0..15] of Byte;
|
||||
i: Integer;
|
||||
n: integer;
|
||||
begin
|
||||
for I := 0 to 15 do
|
||||
Function MDFinal (Var MDContext: TMDCtx; Transform: TMDTransform) : String;
|
||||
Var
|
||||
Cnt : Word;
|
||||
P : Byte;
|
||||
Digest : Array[0..15] of Byte;
|
||||
I : Integer;
|
||||
N : Integer;
|
||||
Begin
|
||||
For I := 0 to 15 Do
|
||||
Digest[I] := I + 1;
|
||||
|
||||
with MDContext do begin
|
||||
With MDContext Do Begin
|
||||
Cnt := (Count[0] shr 3) and $3F;
|
||||
P := Cnt;
|
||||
BufAnsiChar[P] := $80;
|
||||
|
|
@ -309,16 +341,16 @@ begin
|
|||
Transform(State, BufLong);
|
||||
ArrLongToByte(BufLong, BufAnsiChar);
|
||||
|
||||
for n := 0 to 55 do
|
||||
BufAnsiChar[n] := 0;
|
||||
For N := 0 to 55 Do
|
||||
BufAnsiChar[N] := 0;
|
||||
|
||||
ArrByteToLong(BufAnsiChar, BufLong);
|
||||
end else begin
|
||||
for n := 0 to Cnt - 8 - 1 do
|
||||
End Else Begin
|
||||
For N := 0 to Cnt - 8 - 1 Do
|
||||
BufAnsiChar[p + n] := 0;
|
||||
|
||||
ArrByteToLong(BufAnsiChar, BufLong);
|
||||
end;
|
||||
End;
|
||||
|
||||
BufLong[14] := Count[0];
|
||||
BufLong[15] := Count[1];
|
||||
|
|
@ -328,49 +360,49 @@ begin
|
|||
|
||||
Result := '';
|
||||
|
||||
for i := 0 to 15 do
|
||||
Result := Result + char(digest[i]);
|
||||
end;
|
||||
end;
|
||||
For I := 0 to 15 Do
|
||||
Result := Result + Char(Digest[I]);
|
||||
End;
|
||||
End;
|
||||
|
||||
function MD5(const Value: string): string;
|
||||
var
|
||||
Function MD5 (Const Value: String): String;
|
||||
Var
|
||||
MDContext: TMDCtx;
|
||||
begin
|
||||
MDInit(MDContext);
|
||||
MDUpdate(MDContext, Value, @MD5Transform);
|
||||
Begin
|
||||
MDInit (MDContext);
|
||||
MDUpdate (MDContext, Value, @MD5Transform);
|
||||
|
||||
Result := MDFinal(MDContext, @MD5Transform);
|
||||
end;
|
||||
End;
|
||||
|
||||
function HMAC_MD5(Text, Key: string): string;
|
||||
var
|
||||
Function HMAC_MD5(Text, Key: string): string;
|
||||
Var
|
||||
ipad, opad, s: string;
|
||||
n: Integer;
|
||||
MDContext: TMDCtx;
|
||||
begin
|
||||
if Length(Key) > 64 then
|
||||
Begin
|
||||
If Length(Key) > 64 then
|
||||
Key := md5(Key);
|
||||
|
||||
ipad := StringOfChar(#$36, 64);
|
||||
opad := StringOfChar(#$5C, 64);
|
||||
|
||||
for n := 1 to Length(Key) do begin
|
||||
For n := 1 to Length(Key) do begin
|
||||
ipad[n] := char(Byte(ipad[n]) xor Byte(Key[n]));
|
||||
opad[n] := char(Byte(opad[n]) xor Byte(Key[n]));
|
||||
end;
|
||||
End;
|
||||
|
||||
MDInit(MDContext);
|
||||
MDUpdate(MDContext, ipad, @MD5Transform);
|
||||
MDUpdate(MDContext, Text, @MD5Transform);
|
||||
|
||||
s := MDFinal(MDContext, @MD5Transform);
|
||||
S := MDFinal(MDContext, @MD5Transform);
|
||||
|
||||
MDInit(MDContext);
|
||||
MDUpdate(MDContext, opad, @MD5Transform);
|
||||
MDUpdate(MDContext, s, @MD5Transform);
|
||||
|
||||
Result := MDFinal(MDContext, @MD5Transform);
|
||||
end;
|
||||
End;
|
||||
|
||||
end.
|
||||
End.
|
||||
Loading…
Reference in New Issue