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49 lines
1.3 KiB
49 lines
1.3 KiB
3 weeks ago
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<?php
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declare(strict_types=1);
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namespace App\Utils\Traits;
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trait UniversalEncryption
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{
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private string $key;
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public function getKey(): string
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{
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$key = openssl_digest(env('UNIVERSAL_ENCRYPTION_AES_KEY'), 'sha256', true);
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return hash_pbkdf2('sha256', $key, '', 1, 32, true);
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}
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/**
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* Encrypt
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* @param string $data
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* @return string
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*/
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public function encrypt(string $data): string
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{
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$ivSize = openssl_cipher_iv_length('aes-256-cbc'); // AES-256-CBC需要的IV长度
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$iv = openssl_random_pseudo_bytes($ivSize); // 生成随机的IV
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$encrypted = openssl_encrypt($data, 'aes-256-cbc', $this->getKey(), OPENSSL_RAW_DATA, $iv);
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$encryptedWithIv = $iv . $encrypted;
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return base64_encode($encryptedWithIv);
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}
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/**
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* Decrypt
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* @param string $encryptedData
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* @return bool|string
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*/
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public function decrypt(string $encryptedData): bool|string
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{
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$encodedData = base64_decode($encryptedData);
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$ivSize = openssl_cipher_iv_length('aes-256-cbc');
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$iv = mb_substr($encodedData, 0, $ivSize, '8bit');
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$encryptedData = mb_substr($encodedData, $ivSize, null, '8bit');
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return openssl_decrypt($encryptedData, 'aes-256-cbc', $this->getKey(), OPENSSL_RAW_DATA, $iv);
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}
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}
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