(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 C/C++ Library Downloads
MS Visual C/C++ Linux/CentOS C/C++ Alpine Linux C/C++ MAC OS X C/C++	armhf/aarch64 C/C++ C++ Builder iOS C/C++ Android C/C++	Solaris C/C++ MinGW C/C++

#include <CkMailManW.h>
#include <CkEmailW.h>
#include <CkCertW.h>

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

    bool success;
    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");
    }
    }