Delphi DLL Requires Chilkat v11.0.0+

Workaround for the deprecated Crypt2.OpaqueVerifyBytes method

Shows how to replace the deprecated OpaqueVerifyBytes method. (Chilkat is moving away from the use of CkByteData.) Delphi DLL

var
success: Boolean;
crypt: HCkCrypt2;
path: PWideChar;
inData: HCkByteData;
outData: HCkByteData;
bd: HCkBinData;

begin
success := False;

crypt := CkCrypt2_Create();

path := 'c:/someDir/example.p7m';

//  ------------------------------------------------------------------------
//  The OpaqueVerifyBytes method is deprecated:

inData := CkByteData_Create();
CkByteData_loadFile(inData,path);

outData := CkByteData_Create();

success := CkCrypt2_OpaqueVerifyBytes(crypt,inData,outData);

//  ------------------------------------------------------------------------
//  Workaround.
//  (Chilkat is moving away from using CkByteData)

bd := CkBinData_Create();
CkBinData_LoadFile(bd,path);

//  If the opaque signature is validated, the contents of bd are replaced with the original data that was signed.
success := CkCrypt2_OpaqueVerifyBd(crypt,bd);

CkCrypt2_Dispose(crypt);
CkByteData_Dispose(inData);
CkByteData_Dispose(outData);
CkBinData_Dispose(bd);