Unicode C++
Unicode C++
Example: Mime.GetDecryptCertInfo method
Demonstrates theGetDecryptCertInfo method.
Chilkat Unicode C++ Downloads
#include <CkMimeW.h>
#include <CkJsonObjectW.h>
void ChilkatSample(void)
{
bool success = false;
CkMimeW mime;
// Load MIME that is has Content-Type like this:
// Content-Type: application/pkcs7-mime; smime-type="enveloped-data"; name="smime.p7m"; smime-type="enveloped-data"
success = mime.LoadMimeFile(L"qa_data/mime/enveloped_data.eml");
if (success == false) {
wprintf(L"%s\n",mime.lastErrorText());
return;
}
// Get information about the certificate that would be needed to decrypt.
// An enveloped-data can potentially be decrypted by multiple certificates if it was encrypted in a way that allows it,
// but in most cases, only a single certificate with associated private key (that of the message recipient) is possible.
CkJsonObjectW json;
success = mime.GetDecryptCertInfo(json);
if (success == false) {
wprintf(L"%s\n",mime.lastErrorText());
return;
}
json.put_EmitCompact(false);
wprintf(L"%s\n",json.emit());
// Sample output:
// {
// "recipientInfo": [
// {
// "serial": "****",
// "issuerCN": "****"
// }
// ]
// }
// Get each certificate's information like this:
const wchar_t *serial = 0;
const wchar_t *issuerCN = 0;
int i = 0;
int count = json.SizeOfArray(L"recipientInfo");
while (i < count) {
json.put_I(i);
serial = json.stringOf(L"recipientInfo[i].serial");
issuerCN = json.stringOf(L"recipientInfo[i].issuerCN");
i = i + 1;
}
}