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C

IMAP Login Secure

Demonstrates how to use the LoginSecure method introduced in Chilkat v9.5.0.71.

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C
#include <C_CkImap.h>
#include <C_CkJsonObject.h>
#include <C_CkCrypt2.h>
#include <C_CkSecureString.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkImap imap;
    HCkJsonObject json;
    HCkCrypt2 crypt;
    HCkSecureString ssLogin;
    HCkSecureString ssPassword;

    success = FALSE;

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

    imap = CkImap_Create();

    //  Connect to an IMAP server..
    CkImap_putSsl(imap,TRUE);
    CkImap_putPort(imap,993);
    success = CkImap_Connect(imap,"imap.mail.me.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    //  Imagine we've previously saved our encrypted login and password within a JSON config file
    //  that contains this:

    //  {
    //    "imap_login": "fLkxsfnVaIWLiL/R32jo6g==",
    //    "imap_password": "/NbaFBoCftBLFf8WBU9Xtw=="
    //  }

    json = CkJsonObject_Create();
    CkJsonObject_LoadFile(json,"qa_data/passwords/imap.json");

    crypt = CkCrypt2_Create();

    //  These are the encryption settings we previously used to encrypt the credentials within the JSON config file.
    CkCrypt2_putCryptAlgorithm(crypt,"aes");
    CkCrypt2_putCipherMode(crypt,"cbc");
    CkCrypt2_putKeyLength(crypt,128);
    CkCrypt2_SetEncodedKey(crypt,"000102030405060708090A0B0C0D0E0F","hex");
    CkCrypt2_SetEncodedIV(crypt,"000102030405060708090A0B0C0D0E0F","hex");
    CkCrypt2_putEncodingMode(crypt,"base64");

    ssLogin = CkSecureString_Create();
    ssPassword = CkSecureString_Create();

    //  Decrypt to the secure string.  (the strings will still held in memory encrypted, but are now encrypted using
    //  a randomly generated session key.)
    CkCrypt2_DecryptSecureENC(crypt,CkJsonObject_stringOf(json,"imap_login"),ssLogin);
    CkCrypt2_DecryptSecureENC(crypt,CkJsonObject_stringOf(json,"imap_password"),ssPassword);

    //  Pass the credentials to the LoginSecure method:
    success = CkImap_LoginSecure(imap,ssLogin,ssPassword);
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        CkJsonObject_Dispose(json);
        CkCrypt2_Dispose(crypt);
        CkSecureString_Dispose(ssLogin);
        CkSecureString_Dispose(ssPassword);
        return;
    }

    //  ...

    CkImap_Disconnect(imap);


    CkImap_Dispose(imap);
    CkJsonObject_Dispose(json);
    CkCrypt2_Dispose(crypt);
    CkSecureString_Dispose(ssLogin);
    CkSecureString_Dispose(ssPassword);

    }