質問編集履歴
1
処理を明確化
test
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File without changes
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test
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@@ -16,13 +16,27 @@
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```php
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$data = '暗号化文字列';
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$n = 'ある値';
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$nonceBinary = bin2hex($n);
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$hash = hash('sha256', $nonceBinary);
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-
$
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$key = mb_strcut($hash, 0, 16, 'UTF-8');
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return openssl_encrypt(
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$data,
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'AES-256-ECB',
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$key
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);
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```
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