AES String Encryption

AES string encryption in C.

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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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C++ Builder Libraries

#include <C_CkCrypt2.h>

void ChilkatSample(void)
    {
    HCkCrypt2 crypt;
    BOOL success;
    const char * password;
    const char * hexKey;
    const char * text;
    const char * encText;
    const char * decryptedText;

    crypt = CkCrypt2_Create();

    success = CkCrypt2_UnlockComponent(crypt,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("Crypt component unlock failed\n");
        return;
    }

    password = "secretPassPhrase";

    CkCrypt2_putCryptAlgorithm(crypt,"aes");
    CkCrypt2_putCipherMode(crypt,"cbc");
    CkCrypt2_putKeyLength(crypt,128);

    //  Generate a binary secret key from a password string
    //  of any length.  For 128-bit encryption, GenEncodedSecretKey
    //  generates the MD5 hash of the password and returns it
    //  in the encoded form requested.  The 2nd param can be
    //  "hex", "base64", "url", "quoted-printable", etc.

    hexKey = CkCrypt2_genEncodedSecretKey(crypt,password,"hex");
    CkCrypt2_SetEncodedKey(crypt,hexKey,"hex");

    CkCrypt2_putEncodingMode(crypt,"base64");

    text = "The quick brown fox jumped over the lazy dog.";

    //  Encrypt a string and return the binary encrypted data
    //  in a base-64 encoded string.

    encText = CkCrypt2_encryptStringENC(crypt,text);

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

    //  Decrypt and show the original string:

    decryptedText = CkCrypt2_decryptStringENC(crypt,encText);

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

    CkCrypt2_Dispose(crypt);

    }