Created
October 13, 2020 22:34
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<?php | |
function encryptData($data) { | |
$plainText = json_encode($data); | |
print '$Plaintext = json_encode($data)' . " \nVAL:$plainText \n \n"; | |
$encryptionKey = 'p@SSword'; | |
print "\$encryptionKey = 'p@SSword' \nVAL:$encryptionKey \n \n"; | |
$bytesToBeEncrypted = utf8_encode($plainText); | |
print "\$bytesToBeEncrypted = utf8_encode($plainText) \nVAL:$bytesToBeEncrypted \n \n"; | |
$passwordBytes = utf8_encode($encryptionKey); | |
print '$passwordBytes = utf8_encode($encryptionKey)'; | |
print "\nVAL:$passwordBytes \n \n"; | |
$saltBytes = array(1,2,3,4,5,6,7,8); | |
print '$saltBytes = array(1,2,3,4,5,6,7,8);' . "\n \n"; | |
$saltBytesstring = ""; | |
print "VAL:"; | |
print_r($saltBytes); | |
print '$saltBytesstring = "";' . "\n \n"; | |
for($i=0;$i<count($saltBytes);$i++){ | |
$saltBytesstring .= chr($saltBytes[$i]); | |
} | |
print 'for($i=0;$i<count($saltBytes);$i++){ echo $i; | |
$saltBytesstring .= chr($saltBytes[$i]); | |
}' . "\n \n"; | |
print "\$saltBytes = \nVAL: $saltBytesstring \n"; | |
print "note: the value of \$saltBytesstring is not a visible ascii value \n \n"; | |
$dev = hash_pbkdf2('sha256', $passwordBytes, $saltBytesstring, 10000, 48, true); | |
print '$dev = hash_pbkdf2(\'sha256\', $passwordBytes, $saltBytesstring, 10000, 48, true);'; | |
print "\n VAL:$dev \n \n"; | |
$key = substr($dev, 0, 32); //Keylength: 32 | |
print '$key = substr($dev, 0, 32); //Keylength: 32'; | |
print "\n VAL:$key \n \n"; | |
$iv = substr($dev, 32, 16); // IV-length: 16 | |
print '$iv = substr($dev, 32, 16); // IV-length: 16'; | |
print "\n VAL:$iv \n \n"; | |
$method = 'aes-256-cbc'; | |
print '$method = \'aes-256-cbc\';'; | |
print "\n VAL:$method \n \n"; | |
$encrypted = base64_encode(openssl_encrypt($bytesToBeEncrypted, $method, $key, OPENSSL_RAW_DATA, $iv)); | |
print '$encrypted = base64_encode(openssl_encrypt($bytesToBeEncrypted, $method, $key, OPENSSL_RAW_DATA, $iv));'; | |
print "\nVAL:$encrypted \n \n"; | |
$encrypted = UrlEncodeBase64($encrypted); | |
print '$encrypted = UrlEncodeBase64($encrypted);'; | |
return $encrypted; | |
} | |
function UrlEncodeBase64($str) { | |
$str = str_replace('+', '.', $str); | |
$str = str_replace('/', '_', $str); | |
$str = str_replace('=', '-', $str); | |
return $str; | |
} | |
$submission = array('Year' => 2020, 'PlanId' => 'P00000000001', 'Zipcode' => "06443", 'Expires' => '2020-10-13T21:49:00.303'); | |
print "\n \nVAL:\n" . encryptData($submission) . "\n \n"; | |
?> |
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