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221 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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511 | daniel-mar | 5 | * Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft |
221 | daniel-mar | 6 | * |
7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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8 | * you may not use this file except in compliance with the License. |
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9 | * You may obtain a copy of the License at |
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10 | * |
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11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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12 | * |
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13 | * Unless required by applicable law or agreed to in writing, software |
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14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | * See the License for the specific language governing permissions and |
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17 | * limitations under the License. |
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18 | */ |
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19 | |||
511 | daniel-mar | 20 | if (!defined('INSIDE_OIDPLUS')) die(); |
21 | |||
277 | daniel-mar | 22 | class OIDplusAuthPluginSha3SaltedBase64 extends OIDplusAuthPlugin { |
221 | daniel-mar | 23 | |
459 | daniel-mar | 24 | public function verify(OIDplusRAAuthInfo $authInfo, $check_password) { |
25 | $authKey = $authInfo->getAuthKey(); |
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26 | $salt = $authInfo->getSalt(); |
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461 | daniel-mar | 27 | @list($s_authmethod, $s_authkey) = explode('#', $authKey, 2); |
459 | daniel-mar | 28 | |
221 | daniel-mar | 29 | if ($s_authmethod == 'A2') { |
457 | daniel-mar | 30 | // A2#X with X being sha3(salt+password) in base64-notation |
400 | daniel-mar | 31 | $calc_authkey = base64_encode(sha3_512($salt.$check_password, true)); |
221 | daniel-mar | 32 | } else { |
33 | // Invalid auth code |
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34 | return false; |
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35 | } |
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36 | |||
37 | return hash_equals($calc_authkey, $s_authkey); |
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38 | } |
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277 | daniel-mar | 39 | |
459 | daniel-mar | 40 | public function generate($password): OIDplusRAAuthInfo { |
458 | daniel-mar | 41 | $s_salt = bin2hex(OIDplusAuthUtils::getRandomBytes(50)); // DB field ra.salt is limited to 100 chars (= 50 bytes) |
453 | daniel-mar | 42 | $calc_authkey = 'A2#'.base64_encode(sha3_512($s_salt.$password, true)); |
461 | daniel-mar | 43 | return new OIDplusRAAuthInfo($s_salt, $calc_authkey); |
453 | daniel-mar | 44 | } |
45 | |||
221 | daniel-mar | 46 | } |