(Unicode C) PBKDF2 - Derive Key from Password

Demonstrates how to derive a symmetric encryption key from a password using PBKDF2. This example matches the results found at this URL: http://www.di-mgt.com.au/cryptoKDFs.html#examplespbkdf

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#include <C_CkCrypt2W.h>

void ChilkatSample(void)
    {
    HCkCrypt2W crypt;
    const wchar_t *hexKey;
    const wchar_t *pw;
    const wchar_t *pwCharset;
    const wchar_t *hashAlg;
    const wchar_t *saltHex;
    int iterationCount;
    int outputBitLen;
    const wchar_t *enc;

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

    crypt = CkCrypt2W_Create();

    // http://www.di-mgt.com.au/cryptoKDFs.html#examplespbkdf

    pw = L"password";
    pwCharset = L"ansi";
    // Hash algorithms may be: sha1, md2, md5, etc.
    hashAlg = L"sha1";
    // The salt should be 8 bytes:
    saltHex = L"78578E5A5D63CB06";
    iterationCount = 2048;
    // Derive a 192-bit key from the password.
    outputBitLen = 192;

    // The derived key is returned as a hex or base64 encoded string.
    // (Note: The salt argument must be a string that also uses
    // the same encoding.)
    enc = L"hex";

    hexKey = CkCrypt2W_pbkdf2(crypt,pw,pwCharset,hashAlg,saltHex,iterationCount,outputBitLen,enc);

    wprintf(L"%s\n",hexKey);

    // The output should have this value:
    // BFDE6BE94DF7E11DD409BCE20A0255EC327CB936FFE9364


    CkCrypt2W_Dispose(crypt);

    }