46 lines
1.4 KiB
PHP
46 lines
1.4 KiB
PHP
<?php
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namespace App;
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// 共通処理関数クラス
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class CommonFunction
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{
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// 7DSRチェックデジット計算
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public static function calc7dsr($number) {
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$sum = 0;
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$weights = [2, 3, 4, 5, 6, 7];
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$digits = str_split(strrev($number));
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foreach ($digits as $i => $digit) {
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$sum += $digit * $weights[$i % count($weights)];
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}
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$checkDigit = (10 - ($sum % 10)) % 10;
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return $checkDigit;
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}
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// 初期パスワード作成
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public static function createPassword() {
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// 使用可能文字 (使用不可：1,l,L,i,I,z,Z,2,o,O,0)
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$chars = 'ABCDEFGHJKMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz3456789';
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$password = '';
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$length = 8;
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$max = strlen($chars) - 1;
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for ($i = 0; $i < $length; $i++) {
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$password .= $chars[random_int(0, $max)];
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}
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return $password;
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}
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// パスワードハッシュ化
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public static function hashPassword($user_seq, $password) {
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$hash = hash('sha256', $password) . $user_seq . 'SOMSALT';
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for ($i = 0; $i < 25; $i++) {
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$hash = hash('sha256', $hash);
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}
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return $hash;
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}
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// パスワード照合
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public static function verifyPassword($user_seq, $inputPassword, $hashedPassword) {
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return self::hashPassword($user_seq, $inputPassword) === $hashedPassword;
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}
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} |