C

Workaround for the deprecated EncryptString and DecryptString methods

Shows how to replace the deprecated EncryptString and DecryptString methods. (Chilkat is moving away from the use of CkByteData.) C

#include <C_CkCrypt2.h>
#include <C_CkByteData.h>
#include <C_CkBinData.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkCrypt2 crypt;
    const char *plainText;
    HCkByteData encryptedBytes;
    const char *decryptedStr;
    HCkBinData bd;

    success = FALSE;

    crypt = CkCrypt2_Create();

    CkCrypt2_putCryptAlgorithm(crypt,"aes");
    CkCrypt2_putCipherMode(crypt,"cbc");
    CkCrypt2_putKeyLength(crypt,128);
    CkCrypt2_putPaddingScheme(crypt,0);
    CkCrypt2_SetEncodedKey(crypt,"000102030405060708090A0B0C0D0E0F","hex");
    CkCrypt2_SetEncodedIV(crypt,"000102030405060708090A0B0C0D0E0F","hex");

    success = FALSE;

    CkCrypt2_putCharset(crypt,"utf-8");
    plainText = "text to be encrypted";

    //  ------------------------------------------------------------------------
    //  The EncryptString and DecryptString methods are deprecated:

    encryptedBytes = CkByteData_Create();
    success = CkCrypt2_EncryptString(crypt,plainText,encryptedBytes);

    decryptedStr = CkCrypt2_decryptString(crypt,encryptedBytes);
    printf("Decrypted: %s\n",decryptedStr);

    //  ------------------------------------------------------------------------
    //  Replace the above CkByteData usage with the following code:
    //  (Chilkat is moving away from using CkByteData)

    bd = CkBinData_Create();
    CkBinData_AppendString(bd,plainText,"utf-8");

    //  in-place encrypt
    CkCrypt2_EncryptBd(crypt,bd);

    //  in-place decrypt
    CkCrypt2_DecryptBd(crypt,bd);
    decryptedStr = CkBinData_getString(bd,"utf-8");
    printf("Decrypted: %s\n",decryptedStr);


    CkCrypt2_Dispose(crypt);
    CkByteData_Dispose(encryptedBytes);
    CkBinData_Dispose(bd);

    }