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Unicode C++

Find Certificate for Email Encryption

Demonstrates finding the recipient's certificate in the Windows certificate store and using it to send encrypted email.

Chilkat Unicode C++ Downloads

Unicode C++
#include <CkMailManW.h>
#include <CkEmailW.h>
#include <CkCertW.h>

void ChilkatSample(void)
    {
    bool success = false;

    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkMailManW mailman;

    //  Set the SMTP server.
    mailman.put_SmtpHost(L"smtp.example.com");

    //  Create a new email object
    CkEmailW email;

    email.put_Subject(L"This email is encrypted");
    email.put_Body(L"This is a digitally encrypted mail");
    email.put_From(L"Joe <joe@example.com>");
    //  Emails are encrypted using the recipient's certificate.
    const wchar_t *recipientEmailAddr = L"jane@example2.com";
    email.AddTo(L"Jane",recipientEmailAddr);

    //  Indicate that the email is to be sent encrypted.
    email.put_SendEncrypted(true);

    //  This example demonstrates finding the email encryption certificate
    //  on a Windows system where the certificate is stored in the Windows 
    //  certificate store.

    CkCertW cert;
    //  The recipient's certificate is used to encrypt.
    //  (Because the recipient is the only one in possession of the private key to decrypt.)
    success = cert.LoadByEmailAddress(recipientEmailAddr);
    if (success != true) {
        wprintf(L"%s\n",cert.lastErrorText());
        return;
    }

    //  Specify the certificate to be used for encryption.
    success = email.SetEncryptCert(cert);

    success = mailman.SendEmail(email);
    if (success != true) {
        wprintf(L"%s\n",mailman.lastErrorText());
    }
    else {
        wprintf(L"Encrypted Mail Sent!\n");
    }
    }