HCRYPTMSG hMsg = CryptMsgOpenToDecode(
                                        TYPE_DER,      // Encoding type.
                                        CMSG_DETACHED_FLAG,                     // Flags.
                                        0,                     // Use the default message type.
                                        0,//hCryptProv,            // Cryptographic provider.
                                        0,                  // Recipient information.
                                        0);                 // Stream information.
    
    if (hMsg) 
		printf("The message to decode is open. \n");
    else{
    	return [self handleError:"OpenToDecode failed" errorCode:0];
	}

    if(!CryptMsgUpdate(
                       hMsg,		// Handle to the message
                       pSignaruteBlob->pbData,//signature_mem,		// Pointer to the content
                       pSignaruteBlob->cbData,//signature_len,	// Size of the content
                       TRUE)){
        return [self handleError:"CryptMsgUpdate() 1 failed" errorCode:0];
    }
    
    if (!CryptMsgUpdate(
                        hMsg,                 // Handle to the message
                        pMessageBlob->pbData,        // Pointer to the encoded blob
                        pMessageBlob->cbData,        // Size of the encoded blob
                        TRUE)){               // Last call) 
		return [self handleError:"CryptMsgUpdate() 2 failed" errorCode:0];
    }
    
    printf("The encoded blob has been added to the message. \n");
    CMSG_SIGNER_ENCODE_INFO SignerEncodeInfo = {sizeof(CMSG_SIGNER_ENCODE_INFO)};
    
    SignerEncodeInfo.cbSize = sizeof(CMSG_SIGNER_ENCODE_INFO);
    SignerEncodeInfo.pCertInfo = pUserCert->pCertInfo;
    SignerEncodeInfo.hCryptProv = hCryptProv;
    SignerEncodeInfo.dwKeySpec = keytype;
    SignerEncodeInfo.HashAlgorithm = HashAlgorithm;
    SignerEncodeInfo.pvHashAuxInfo = NULL;
    
    ...
    printf("Adding signature to message\n");
            if (!CryptMsgControl(hMsg, 0, CMSG_CTRL_ADD_SIGNER, &SignerEncodeInfo)){
                return [self handleError:"CryptMsgControl() failed" errorCode:0];
            }
            ...
            pbEncodedBlob = (BYTE *) malloc(cbEncodedBlob);
            ...
            if(CryptMsgGetParam(
                                hMsg,                      // Handle to the message
                                CMSG_ENCODED_MESSAGE,        // Parameter type
                                0,                         // Index
                                pbEncodedBlob,             // Pointer to the blob
                                &cbEncodedBlob))           // Size of the blob
            {
                printf("Message encoded successfully.\n");
            } else {
                return [self handleError:"MsgGetParam failed" errorCode:0];
            }
            printf("Простая подпись:\n");
            for(DWORD i=0; i < cbEncodedBlob; i++) 
            {
                printf("%2.2x", pbEncodedBlob[i]);
                if ((i+1)%32 == 0) printf("\n");
            }
            if (outFilename) {
                FILE *out = NULL;
                out = fopen (outFilename, "wb");
                if (out) {
                    fwrite (pbEncodedBlob, cbEncodedBlob, 1, out);
                    fclose (out);
                    cout << "Output file " << outFilename << " has been saved" << endl;
                    
                }
                else
                    return [self handleError:"Cannot open out file" errorCode:ERROR_CANT_OPEN_OUTPUT_FILE];
            }
            return 0;

CadesMsgAddEnhancedSignature() failed
Error N c2100100