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How to use Crypto API in your ASP projects.

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28 Aug 20013 min read 271.1K   1.2K   53  
This article shows how to make one ATL COM component with crypt/decrypt functions and how to use it in ASP programs. It shows also how to register a component in MTS.
 
/* this ALWAYS GENERATED file contains the proxy stub code */


/* File created by MIDL compiler version 5.01.0164 */
/* at Wed Nov 29 19:12:31 2000
 */
/* Compiler settings for N:\Project\Crypt\EncryptionATL\EncryptionATL.idl:
    Oicf (OptLev=i2), W1, Zp8, env=Win32, ms_ext, c_ext
    error checks: allocation ref bounds_check enum stub_data 
*/
//@@MIDL_FILE_HEADING(  )

#define USE_STUBLESS_PROXY


/* verify that the <rpcproxy.h> version is high enough to compile this file*/
#ifndef __REDQ_RPCPROXY_H_VERSION__
#define __REQUIRED_RPCPROXY_H_VERSION__ 440
#endif


#include "rpcproxy.h"
#ifndef __RPCPROXY_H_VERSION__
#error this stub requires an updated version of <rpcproxy.h>
#endif // __RPCPROXY_H_VERSION__


#include "EncryptionATL.h"

#define TYPE_FORMAT_STRING_SIZE   55                                
#define PROC_FORMAT_STRING_SIZE   97                                

typedef struct _MIDL_TYPE_FORMAT_STRING
    {
    short          Pad;
    unsigned char  Format[ TYPE_FORMAT_STRING_SIZE ];
    } MIDL_TYPE_FORMAT_STRING;

typedef struct _MIDL_PROC_FORMAT_STRING
    {
    short          Pad;
    unsigned char  Format[ PROC_FORMAT_STRING_SIZE ];
    } MIDL_PROC_FORMAT_STRING;


extern const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;
extern const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;


/* Object interface: IUnknown, ver. 0.0,
   GUID={0x00000000,0x0000,0x0000,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}} */


/* Object interface: IDispatch, ver. 0.0,
   GUID={0x00020400,0x0000,0x0000,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}} */


/* Object interface: IEncryption, ver. 0.0,
   GUID={0x7B2162A4,0xAEB1,0x11D4,{0x96,0x60,0x00,0xA0,0xD2,0x12,0xFC,0x63}} */


extern const MIDL_STUB_DESC Object_StubDesc;


extern const MIDL_SERVER_INFO IEncryption_ServerInfo;

#pragma code_seg(".orpc")
extern const USER_MARSHAL_ROUTINE_QUADRUPLE UserMarshalRoutines[1];

static const MIDL_STUB_DESC Object_StubDesc = 
    {
    0,
    NdrOleAllocate,
    NdrOleFree,
    0,
    0,
    0,
    0,
    0,
    __MIDL_TypeFormatString.Format,
    1, /* -error bounds_check flag */
    0x20000, /* Ndr library version */
    0,
    0x50100a4, /* MIDL Version 5.1.164 */
    0,
    UserMarshalRoutines,
    0,  /* notify & notify_flag routine table */
    1,  /* Flags */
    0,  /* Reserved3 */
    0,  /* Reserved4 */
    0   /* Reserved5 */
    };

static const unsigned short IEncryption_FormatStringOffsetTable[] = 
    {
    (unsigned short) -1,
    (unsigned short) -1,
    (unsigned short) -1,
    (unsigned short) -1,
    0,
    28,
    62
    };

static const MIDL_SERVER_INFO IEncryption_ServerInfo = 
    {
    &Object_StubDesc,
    0,
    __MIDL_ProcFormatString.Format,
    &IEncryption_FormatStringOffsetTable[-3],
    0,
    0,
    0,
    0
    };

static const MIDL_STUBLESS_PROXY_INFO IEncryption_ProxyInfo =
    {
    &Object_StubDesc,
    __MIDL_ProcFormatString.Format,
    &IEncryption_FormatStringOffsetTable[-3],
    0,
    0,
    0
    };

CINTERFACE_PROXY_VTABLE(10) _IEncryptionProxyVtbl = 
{
    &IEncryption_ProxyInfo,
    &IID_IEncryption,
    IUnknown_QueryInterface_Proxy,
    IUnknown_AddRef_Proxy,
    IUnknown_Release_Proxy ,
    0 /* (void *)-1 /* IDispatch::GetTypeInfoCount */ ,
    0 /* (void *)-1 /* IDispatch::GetTypeInfo */ ,
    0 /* (void *)-1 /* IDispatch::GetIDsOfNames */ ,
    0 /* IDispatch_Invoke_Proxy */ ,
    (void *)-1 /* IEncryption::LastError */ ,
    (void *)-1 /* IEncryption::Crypt */ ,
    (void *)-1 /* IEncryption::Decrypt */
};


static const PRPC_STUB_FUNCTION IEncryption_table[] =
{
    STUB_FORWARDING_FUNCTION,
    STUB_FORWARDING_FUNCTION,
    STUB_FORWARDING_FUNCTION,
    STUB_FORWARDING_FUNCTION,
    NdrStubCall2,
    NdrStubCall2,
    NdrStubCall2
};

CInterfaceStubVtbl _IEncryptionStubVtbl =
{
    &IID_IEncryption,
    &IEncryption_ServerInfo,
    10,
    &IEncryption_table[-3],
    CStdStubBuffer_DELEGATING_METHODS
};

#pragma data_seg(".rdata")

static const USER_MARSHAL_ROUTINE_QUADRUPLE UserMarshalRoutines[1] = 
        {
            
            {
            BSTR_UserSize
            ,BSTR_UserMarshal
            ,BSTR_UserUnmarshal
            ,BSTR_UserFree
            }

        };


#if !defined(__RPC_WIN32__)
#error  Invalid build platform for this stub.
#endif

#if !(TARGET_IS_NT40_OR_LATER)
#error You need a Windows NT 4.0 or later to run this stub because it uses these features:
#error   -Oif or -Oicf, [wire_marshal] or [user_marshal] attribute, more than 32 methods in the interface.
#error However, your C/C++ compilation flags indicate you intend to run this app on earlier systems.
#error This app will die there with the RPC_X_WRONG_STUB_VERSION error.
#endif


static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =
    {
        0,
        {

	/* Procedure LastError */

			0x33,		/* FC_AUTO_HANDLE */
			0x6c,		/* Old Flags:  object, Oi2 */
/*  2 */	NdrFcLong( 0x0 ),	/* 0 */
/*  6 */	NdrFcShort( 0x7 ),	/* 7 */
#ifndef _ALPHA_
/*  8 */	NdrFcShort( 0xc ),	/* x86, MIPS, PPC Stack size/offset = 12 */
#else
			NdrFcShort( 0x18 ),	/* Alpha Stack size/offset = 24 */
#endif
/* 10 */	NdrFcShort( 0x0 ),	/* 0 */
/* 12 */	NdrFcShort( 0x8 ),	/* 8 */
/* 14 */	0x5,		/* Oi2 Flags:  srv must size, has return, */
			0x2,		/* 2 */

	/* Parameter parOut */

/* 16 */	NdrFcShort( 0x2113 ),	/* Flags:  must size, must free, out, simple ref, srv alloc size=8 */
#ifndef _ALPHA_
/* 18 */	NdrFcShort( 0x4 ),	/* x86, MIPS, PPC Stack size/offset = 4 */
#else
			NdrFcShort( 0x8 ),	/* Alpha Stack size/offset = 8 */
#endif
/* 20 */	NdrFcShort( 0x1e ),	/* Type Offset=30 */

	/* Return value */

/* 22 */	NdrFcShort( 0x70 ),	/* Flags:  out, return, base type, */
#ifndef _ALPHA_
/* 24 */	NdrFcShort( 0x8 ),	/* x86, MIPS, PPC Stack size/offset = 8 */
#else
			NdrFcShort( 0x10 ),	/* Alpha Stack size/offset = 16 */
#endif
/* 26 */	0x8,		/* FC_LONG */
			0x0,		/* 0 */

	/* Procedure Crypt */

/* 28 */	0x33,		/* FC_AUTO_HANDLE */
			0x6c,		/* Old Flags:  object, Oi2 */
/* 30 */	NdrFcLong( 0x0 ),	/* 0 */
/* 34 */	NdrFcShort( 0x8 ),	/* 8 */
#ifndef _ALPHA_
/* 36 */	NdrFcShort( 0x10 ),	/* x86, MIPS, PPC Stack size/offset = 16 */
#else
			NdrFcShort( 0x20 ),	/* Alpha Stack size/offset = 32 */
#endif
/* 38 */	NdrFcShort( 0x0 ),	/* 0 */
/* 40 */	NdrFcShort( 0x8 ),	/* 8 */
/* 42 */	0x7,		/* Oi2 Flags:  srv must size, clt must size, has return, */
			0x3,		/* 3 */

	/* Parameter parIn */

/* 44 */	NdrFcShort( 0x8b ),	/* Flags:  must size, must free, in, by val, */
#ifndef _ALPHA_
/* 46 */	NdrFcShort( 0x4 ),	/* x86, MIPS, PPC Stack size/offset = 4 */
#else
			NdrFcShort( 0x8 ),	/* Alpha Stack size/offset = 8 */
#endif
/* 48 */	NdrFcShort( 0x2c ),	/* Type Offset=44 */

	/* Parameter parOut */

/* 50 */	NdrFcShort( 0x2113 ),	/* Flags:  must size, must free, out, simple ref, srv alloc size=8 */
#ifndef _ALPHA_
/* 52 */	NdrFcShort( 0x8 ),	/* x86, MIPS, PPC Stack size/offset = 8 */
#else
			NdrFcShort( 0x10 ),	/* Alpha Stack size/offset = 16 */
#endif
/* 54 */	NdrFcShort( 0x1e ),	/* Type Offset=30 */

	/* Return value */

/* 56 */	NdrFcShort( 0x70 ),	/* Flags:  out, return, base type, */
#ifndef _ALPHA_
/* 58 */	NdrFcShort( 0xc ),	/* x86, MIPS, PPC Stack size/offset = 12 */
#else
			NdrFcShort( 0x18 ),	/* Alpha Stack size/offset = 24 */
#endif
/* 60 */	0x8,		/* FC_LONG */
			0x0,		/* 0 */

	/* Procedure Decrypt */

/* 62 */	0x33,		/* FC_AUTO_HANDLE */
			0x6c,		/* Old Flags:  object, Oi2 */
/* 64 */	NdrFcLong( 0x0 ),	/* 0 */
/* 68 */	NdrFcShort( 0x9 ),	/* 9 */
#ifndef _ALPHA_
/* 70 */	NdrFcShort( 0x10 ),	/* x86, MIPS, PPC Stack size/offset = 16 */
#else
			NdrFcShort( 0x20 ),	/* Alpha Stack size/offset = 32 */
#endif
/* 72 */	NdrFcShort( 0x0 ),	/* 0 */
/* 74 */	NdrFcShort( 0x8 ),	/* 8 */
/* 76 */	0x7,		/* Oi2 Flags:  srv must size, clt must size, has return, */
			0x3,		/* 3 */

	/* Parameter parIn */

/* 78 */	NdrFcShort( 0x8b ),	/* Flags:  must size, must free, in, by val, */
#ifndef _ALPHA_
/* 80 */	NdrFcShort( 0x4 ),	/* x86, MIPS, PPC Stack size/offset = 4 */
#else
			NdrFcShort( 0x8 ),	/* Alpha Stack size/offset = 8 */
#endif
/* 82 */	NdrFcShort( 0x2c ),	/* Type Offset=44 */

	/* Parameter parOut */

/* 84 */	NdrFcShort( 0x2113 ),	/* Flags:  must size, must free, out, simple ref, srv alloc size=8 */
#ifndef _ALPHA_
/* 86 */	NdrFcShort( 0x8 ),	/* x86, MIPS, PPC Stack size/offset = 8 */
#else
			NdrFcShort( 0x10 ),	/* Alpha Stack size/offset = 16 */
#endif
/* 88 */	NdrFcShort( 0x1e ),	/* Type Offset=30 */

	/* Return value */

/* 90 */	NdrFcShort( 0x70 ),	/* Flags:  out, return, base type, */
#ifndef _ALPHA_
/* 92 */	NdrFcShort( 0xc ),	/* x86, MIPS, PPC Stack size/offset = 12 */
#else
			NdrFcShort( 0x18 ),	/* Alpha Stack size/offset = 24 */
#endif
/* 94 */	0x8,		/* FC_LONG */
			0x0,		/* 0 */

			0x0
        }
    };

static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =
    {
        0,
        {
			NdrFcShort( 0x0 ),	/* 0 */
/*  2 */	
			0x11, 0x4,	/* FC_RP [alloced_on_stack] */
/*  4 */	NdrFcShort( 0x1a ),	/* Offset= 26 (30) */
/*  6 */	
			0x13, 0x0,	/* FC_OP */
/*  8 */	NdrFcShort( 0xc ),	/* Offset= 12 (20) */
/* 10 */	
			0x1b,		/* FC_CARRAY */
			0x1,		/* 1 */
/* 12 */	NdrFcShort( 0x2 ),	/* 2 */
/* 14 */	0x9,		/* Corr desc: FC_ULONG */
			0x0,		/*  */
/* 16 */	NdrFcShort( 0xfffc ),	/* -4 */
/* 18 */	0x6,		/* FC_SHORT */
			0x5b,		/* FC_END */
/* 20 */	
			0x17,		/* FC_CSTRUCT */
			0x3,		/* 3 */
/* 22 */	NdrFcShort( 0x8 ),	/* 8 */
/* 24 */	NdrFcShort( 0xfffffff2 ),	/* Offset= -14 (10) */
/* 26 */	0x8,		/* FC_LONG */
			0x8,		/* FC_LONG */
/* 28 */	0x5c,		/* FC_PAD */
			0x5b,		/* FC_END */
/* 30 */	0xb4,		/* FC_USER_MARSHAL */
			0x83,		/* 131 */
/* 32 */	NdrFcShort( 0x0 ),	/* 0 */
/* 34 */	NdrFcShort( 0x4 ),	/* 4 */
/* 36 */	NdrFcShort( 0x0 ),	/* 0 */
/* 38 */	NdrFcShort( 0xffffffe0 ),	/* Offset= -32 (6) */
/* 40 */	
			0x12, 0x0,	/* FC_UP */
/* 42 */	NdrFcShort( 0xffffffea ),	/* Offset= -22 (20) */
/* 44 */	0xb4,		/* FC_USER_MARSHAL */
			0x83,		/* 131 */
/* 46 */	NdrFcShort( 0x0 ),	/* 0 */
/* 48 */	NdrFcShort( 0x4 ),	/* 4 */
/* 50 */	NdrFcShort( 0x0 ),	/* 0 */
/* 52 */	NdrFcShort( 0xfffffff4 ),	/* Offset= -12 (40) */

			0x0
        }
    };

const CInterfaceProxyVtbl * _EncryptionATL_ProxyVtblList[] = 
{
    ( CInterfaceProxyVtbl *) &_IEncryptionProxyVtbl,
    0
};

const CInterfaceStubVtbl * _EncryptionATL_StubVtblList[] = 
{
    ( CInterfaceStubVtbl *) &_IEncryptionStubVtbl,
    0
};

PCInterfaceName const _EncryptionATL_InterfaceNamesList[] = 
{
    "IEncryption",
    0
};

const IID *  _EncryptionATL_BaseIIDList[] = 
{
    &IID_IDispatch,
    0
};


#define _EncryptionATL_CHECK_IID(n)	IID_GENERIC_CHECK_IID( _EncryptionATL, pIID, n)

int __stdcall _EncryptionATL_IID_Lookup( const IID * pIID, int * pIndex )
{
    
    if(!_EncryptionATL_CHECK_IID(0))
        {
        *pIndex = 0;
        return 1;
        }

    return 0;
}

const ExtendedProxyFileInfo EncryptionATL_ProxyFileInfo = 
{
    (PCInterfaceProxyVtblList *) & _EncryptionATL_ProxyVtblList,
    (PCInterfaceStubVtblList *) & _EncryptionATL_StubVtblList,
    (const PCInterfaceName * ) & _EncryptionATL_InterfaceNamesList,
    (const IID ** ) & _EncryptionATL_BaseIIDList,
    & _EncryptionATL_IID_Lookup, 
    1,
    2,
    0, /* table of [async_uuid] interfaces */
    0, /* Filler1 */
    0, /* Filler2 */
    0  /* Filler3 */
};

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Written By
Adrian Bacaianu
Web Developer
Romania Romania
I make programming for over 4 years and extensive experience in C++, ASP, Pascal, MFC, COM+, ATL, TCP/IP, HTTP protocols, XML, XSL, SOAP and SQL.
For the last 2 years i working extensively at the background of financial sites (databases, n tier architecture).

I’m available for contracts and/or outsourcing (<Adrian Bacaianu>adrian_bacaianu@yahoo.com).

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Posted 25 Jul 2001

Article Copyright 2001 by Adrian Bacaianu
Everything else Copyright © CodeProject, 1999-2024

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