(C) RSA Encrypt with Modulus and Exponent

Demonstrates how to RSA encrypt with a given modulus and exponent.

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#include <C_CkRsa.h>
#include <C_CkXml.h>

void ChilkatSample(void)
    {
    HCkRsa rsa;
    const char *modulus;
    const char *exponent;
    HCkXml xml;
    const char *publicKey;
    BOOL success;
    BOOL usePrivateKey;
    const char *plainText;
    const char *encryptedStrBase64;

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

    rsa = CkRsa_Create();

    // Assuming you already have a base64 modulus and exponent,
    // wrap it in XML like this:
    modulus = "qMBRpdYrAy5aMmo31NErUizh5sbweguSmh4wlK6uJEIDl+kwTlROnE34KOFExeTbJSX0WygPi+vWl0yNq7buIMUKpytossAAWut5khO3CQJxTk7G2gnEPNUUXHiExGgNrLzcSLv8YIlfVALhoRWyC67KOL+a+3taNq3h+BHeWhM=";
    exponent = "AQAB";

    xml = CkXml_Create();
    CkXml_putTag(xml,"RSAPublicKey");
    CkXml_NewChild2(xml,"Modulus",modulus);
    CkXml_NewChild2(xml,"Exponent",exponent);

    // Encrypt with the public key.
    publicKey = CkXml_getXml(xml);
    success = CkRsa_ImportPublicKey(rsa,publicKey);

    usePrivateKey = FALSE;
    plainText = "message in a bottle";

    CkRsa_putEncodingMode(rsa,"base64");
    encryptedStrBase64 = CkRsa_encryptStringENC(rsa,plainText,usePrivateKey);
    printf("%s\n",encryptedStrBase64);


    CkRsa_Dispose(rsa);
    CkXml_Dispose(xml);

    }