| 0,0 → 1,45 |
|---|
| #!/usr/bin/env php |
| <?php |
| |
| /* |
| * OIDplus 2.0 |
| * Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| function bcrypt_rounds($treshold_secs, $verbose=true) { |
| if ($verbose) echo "Searching BCrypt cost (rounds) for <$treshold_secs secs...\n"; |
| $found = 31; |
| for ($rounds=4; $rounds<=31; $rounds++) { // 4..31 is the valid range of PHP Bcrypt |
| $x = time(); |
| $start = microtime(true); |
| password_hash("TEST", PASSWORD_BCRYPT, array("cost" => $rounds)); |
| $time_elapsed_secs = microtime(true) - $start; |
| if ($verbose) echo "Cost = $rounds Rounds => ".round($time_elapsed_secs,5)." sec\n"; |
| if ($time_elapsed_secs == $treshold_secs) { $found = $rounds; break; } |
| if ($time_elapsed_secs > $treshold_secs) { $found = $rounds-1; break; } |
| } |
| if ($verbose) echo "RESULT: Cost = $found\n"; |
| return $found; |
| } |
| |
| if ($argc > 1) { |
| if (($argv[1] = '-h') || ($argv[1] = '--help')) { |
| echo "$argv[0] <seconds>\n"; |
| } else { |
| bcrypt_rounds($argv[1], true); |
| } |
| } else { |
| bcrypt_rounds(1.00, true); |
| } |