(Unicode C) HMAC with SHA256

Demonstrates how to compute a HMAC SHA256 keyed-hash message authentication code.

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#include <C_CkCrypt2W.h>

void ChilkatSample(void)
    {
    HCkCrypt2W crypt;
    const wchar_t *mac;

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

    crypt = CkCrypt2W_Create();

    // The output will be Hex, so set the EncodingMode:
    CkCrypt2W_putEncodingMode(crypt,L"hex");

    // Set the hash algorithm:
    // Choices are: md5, sha-1, sha256, sha384, sha512, md2, haval
    CkCrypt2W_putHashAlgorithm(crypt,L"sha256");
    CkCrypt2W_putMacAlgorithm(crypt,L"hmac");

    // Set the HMAC key:
    CkCrypt2W_SetMacKeyEncoded(crypt,L"The_API_Secret",L"ascii");
    mac = CkCrypt2W_macStringENC(crypt,L"The quick brown fox jumps over the lazy dog");
    wprintf(L"%s\n",mac);


    CkCrypt2W_Dispose(crypt);

    }