70 lines
1.3 KiB
Plaintext
70 lines
1.3 KiB
Plaintext
{
|
|
$Project$
|
|
$Workfile$
|
|
$Revision$
|
|
$DateUTC$
|
|
$Id$
|
|
|
|
This file is part of the Indy (Internet Direct) project, and is offered
|
|
under the dual-licensing agreement described on the Indy website.
|
|
(http://www.indyproject.org/)
|
|
|
|
Copyright:
|
|
(c) 1993-2005, Chad Z. Hower and the Indy Pit Crew. All rights reserved.
|
|
}
|
|
{
|
|
$Log$
|
|
}
|
|
{
|
|
HMAC specification on the NIST website
|
|
http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf
|
|
}
|
|
|
|
unit IdHMACMD5;
|
|
|
|
interface
|
|
|
|
{$i IdCompilerDefines.inc}
|
|
|
|
uses
|
|
IdFIPS,
|
|
IdGlobal,
|
|
IdHash, IdHashMessageDigest, IdHMAC;
|
|
|
|
type
|
|
TIdHMACMD5 = class(TIdHMAC)
|
|
protected
|
|
procedure SetHashVars; override;
|
|
function IsIntFAvail : Boolean; override;
|
|
function InitIntFInst(const AKey : TIdBytes) : TIdHMACIntCtx; override;
|
|
procedure InitHash; override;
|
|
end;
|
|
|
|
implementation
|
|
|
|
{ TIdHMACMD5 }
|
|
|
|
procedure TIdHMACMD5.InitHash;
|
|
begin
|
|
FHash := TIdHashMessageDigest5.Create;
|
|
end;
|
|
|
|
function TIdHMACMD5.InitIntFInst(const AKey: TIdBytes): TIdHMACIntCtx;
|
|
begin
|
|
Result := GetHMACMD5HashInst(AKey);
|
|
end;
|
|
|
|
function TIdHMACMD5.IsIntFAvail: Boolean;
|
|
begin
|
|
Result := inherited IsIntFAvail and IsHMACMD5Avail;
|
|
end;
|
|
|
|
procedure TIdHMACMD5.SetHashVars;
|
|
begin
|
|
FHashName := 'MD5';
|
|
FHashSize := 16;
|
|
FBlockSize := 64;
|
|
end;
|
|
|
|
end.
|