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

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#include <CkCrypt2.h>

void ChilkatSample(void)
    {
    CkCrypt2 crypt;

    //  Any string argument automatically begins the 30-day trial.
    bool success;
    success = crypt.UnlockComponent("30-day trial");
    if (success != true) {
        printf("%s\n",crypt.lastErrorText());
        return;
    }

    const char * s;
    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.
    crypt.put_CryptAlgorithm("none");
    crypt.put_EncodingMode("base64");

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

    const char * strBase64;
    strBase64 = crypt.encryptStringENC(s);

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

    const char * decoded;
    decoded = crypt.decryptStringENC(strBase64);

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