证书的数字签名和认证

证书的数字签名和认证(2)  MessageSizeArray[0] = cbMessage;

 file://start sign .....
 printf("raw message....\n");
 printf("%s\n",pbMessage);

 //
 if(!(hStoreHandle = CertOpenStore(CERT_STORE_PROV_SYSTEM,0,NULL,CERT_SYSTEM_STORE_CURRENT_USER, CERT_STORE_NAME)))
 {
  printf("open cert store failed!");
 }

 file://Get sign cert pointer
 if(pSignerCert = CertFindCertificateInStore(hStoreHandle,MY_TYPE,0,CERT_FIND_SUBJECT_STR,SIGNER_NAME,NULL))
 {
  printf("find a cert ok.....\n");
 }
 else
 {
  printf("cann't look a cert!\n");
 }
 
 file://sign struct initialize
 SigParams.cbSize = sizeof(CRYPT_SIGN_MESSAGE_PARA);
 SigParams.dwMsgEncodingType = MY_TYPE;
 SigParams.pSigningCert = pSignerCert;
 SigParams.HashAlgorithm.pszObjId = szOID_RSA_MD5;
 SigParams.HashAlgorithm.Parameters.cbData = NULL;
 SigParams.cMsgCert = 1;
 SigParams.rgpMsgCert = &pSignerCert;
 SigParams.cAuthAttr = 0;
 SigParams.dwInnerContentType = 0;
 SigParams.cMsgCrl = 0;
 SigParams.cUnauthAttr = 0;
 SigParams.dwFlags = 0;
 SigParams.pvHashAuxInfo = NULL;
 SigParams.rgAuthAttr = NULL;

 //
 if(CryptSignMessage(&SigParams,FALSE,1,MessageArray,MessageSizeArray,NULL,&cbSignedMessageBlob))
 {
  printf("sign after size %d\n",cbSignedMessageBlob);
 }
 
 //
 if(!(pbSignedMessageBlob = (BYTE*)malloc(cbSignedMessageBlob)))
 {
  printf("alloc failed!\n");
 }
 //
 if(CryptSignMessage(&SigParams,FALSE,1,MessageArray,MessageSizeArray,pbSignedMessageBlob,&cbSignedMessageBlob))
 {
  printf("sign successful!!\n");
 }

 /*