(Perl) 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 Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

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

$password = "secret";

$crypt = chilkat::CkCrypt2->new();
$crypt->put_HashAlgorithm("SHA-1");
$crypt->put_EncodingMode("base64");

#  Generate a 16-byte random nonce
$prng = chilkat::CkPrng->new();
$bd = chilkat::CkBinData->new();
$prng->GenRandomBd(16,$bd);

#  Get the current date/time in a string with this format: 2010-06-08T07:26:50Z
$dt = chilkat::CkDateTime->new();
$dt->SetFromCurrentSystemTime();
$created = $dt->getAsTimestamp(0);
$bd->AppendString($created,"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...
$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,"base64");

$passwordDigest = $crypt->hashBdENC($bd);

print "Base64 password digest = " . $passwordDigest . "\r\n";