(Unicode C++) Password_Digest = Base64 (SHA-1 ( nonce + created + SHA-1 (password) ) )

Demonstrates how to compute:

Password_Digest = Base64 (SHA-1 ( nonce + created + SHA-1 (password)))

Chilkat C/C++ Library Downloads
MS Visual C/C++ Linux/CentOS C/C++ Alpine Linux C/C++ MAC OS X C/C++	armhf/aarch64 C/C++ C++ Builder iOS C/C++ Android C/C++	Solaris C/C++ MinGW C/C++

#include <CkCrypt2W.h>
#include <CkPrngW.h>
#include <CkBinDataW.h>
#include <CkDateTimeW.h>

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

    const wchar_t *password = L"secret";

    CkCrypt2W crypt;
    crypt.put_HashAlgorithm(L"SHA-1");
    crypt.put_EncodingMode(L"base64");

    //  Generate a 16-byte random nonce
    CkPrngW prng;
    CkBinDataW bd;
    prng.GenRandomBd(16,bd);

    //  Get the current date/time in a string with this format: 2010-06-08T07:26:50Z
    CkDateTimeW dt;
    dt.SetFromCurrentSystemTime();
    const wchar_t *created = dt.getAsTimestamp(false);
    bd.AppendString(created,L"utf-8");

    //  This example wishes to calculate a password digest like this:
    //  Password_Digest = Base64 ( SHA-1 ( nonce + created + SHA-1(password) ) )

    //  First SHA-1 digest the password...
    const wchar_t *passwordSha1 = crypt.hashStringENC(password);
    //  Append the 20 binary bytes of the SHA1 hash to bd, which already contains the nonce and created date/time.
    bd.AppendEncoded(passwordSha1,L"base64");

    const wchar_t *passwordDigest = crypt.hashBdENC(bd);

    wprintf(L"Base64 password digest = %s\n",passwordDigest);
    }