Base64 Encode/Decode a String

C example to base-64 encode and decode a string.

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MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

FreeBSD C++ Libraries

HP-UX C++ Libraries

BlackBerry QNX C++ Libraries

#include <C_CkCrypt2.h>

void ChilkatSample(void)
    {
    HCkCrypt2 crypt;
    BOOL success;
    const char * s;
    const char * strBase64;
    const char * decoded;

    crypt = CkCrypt2_Create();

    //  Any string argument automatically begins the 30-day trial.

    success = CkCrypt2_UnlockComponent(crypt,"30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkCrypt2_lastErrorText(crypt));
        return;
    }

    s = "A friend called me up the other day and talked about investing in a dot-com that sells lobsters. Internet lobsters. Where will this end? --Donald Trump";

    //  Indicate that no encryption should be performed,
    //  only encoding/decoding.
    CkCrypt2_putCryptAlgorithm(crypt,"none");
    CkCrypt2_putEncodingMode(crypt,"base64");

    //  Other possible EncodingMode settings are:
    //  "quoted-printable", "hex", "uu", "base32", and "url"

    strBase64 = CkCrypt2_encryptStringENC(crypt,s);

    printf("%s\n",strBase64);

    decoded = CkCrypt2_decryptStringENC(crypt,strBase64);

    printf("%s\n",decoded);

    CkCrypt2_Dispose(crypt);

    }