(Unicode C++) Hash File: SHA-1, HAVAL, MD2, MD5, SHA-256, SHA-384, SHA-512

Computing the hash for a file of any size.

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#include <CkCrypt2W.h>

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

    CkCrypt2W crypt;

    // Any type of file may be hashed.
    // There is  no size limitation because the file is consumed
    // in streaming mode internally.
    const wchar_t *filename = 0;
    filename = L"something.zip";

    crypt.put_HashAlgorithm(L"sha1");
    crypt.put_EncodingMode(L"hex");

    // Other possible EncodingMode settings are: 
    // "quoted-printable", "base64", "base32", and "url"

    const wchar_t *hash = crypt.hashFileENC(filename);
    wprintf(L"SHA1:\n");
    wprintf(L"%s\n",hash);

    // Hash using MD2
    crypt.put_HashAlgorithm(L"md2");
    hash = crypt.hashFileENC(filename);
    wprintf(L"MD2:\n");
    wprintf(L"%s\n",hash);

    // Hash using MD5
    crypt.put_HashAlgorithm(L"md5");
    hash = crypt.hashFileENC(filename);
    wprintf(L"MD5:\n");
    wprintf(L"%s\n",hash);

    // Hash using SHA-256
    crypt.put_HashAlgorithm(L"sha256");
    hash = crypt.hashFileENC(filename);
    wprintf(L"SHA256:\n");
    wprintf(L"%s\n",hash);

    // Hash using SHA-384
    crypt.put_HashAlgorithm(L"sha384");
    hash = crypt.hashFileENC(filename);
    wprintf(L"SHA384:\n");
    wprintf(L"%s\n",hash);

    // Hash using SHA-512
    crypt.put_HashAlgorithm(L"sha512");
    hash = crypt.hashFileENC(filename);
    wprintf(L"SHA512:\n");
    wprintf(L"%s\n",hash);

    // Hash using HAVAL
    // There are two additional properties relevant to HAVAL:
    // HavalRounds, and KeyLength.
    // HavalRounds can have values of 3, 4, or 5.
    // KeyLength can have values of 128, 160, 192, 224, or 256
    crypt.put_HashAlgorithm(L"haval");
    crypt.put_HavalRounds(5);
    crypt.put_KeyLength(256);
    hash = crypt.hashFileENC(filename);
    wprintf(L"Haval:\n");
    wprintf(L"%s\n",hash);
    }