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(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_box_seal_open — 匿名公鑰解密
sodium_crypto_box_seal_open(string $ciphertext, string $key_pair): string|false
解密使用 sodium_crypto_box_seal() 加密的消息
ciphertext
加密的消息
key_pair
收件人的密鑰對(duì)。必須包含密鑰。
The plaintext on success, 或者在失敗時(shí)返回 false.
示例 #1 sodium_crypto_box_seal_open() example
<?php
// Ciphertext is not sensitive; base64_decode is fine
$sealed_b64 = "oRBXXAV4iQBrxlV4A21Bord8Yo/D8ZlrIIGNyaRCcGBfpz0map52I3xq6l+CST+1NSgQkbV+HiYyFjXWiWiaCGupGf+zl4bgWj/A9Adtem7Jt3h3emrMsLw=";
$sealed = base64_decode($sealed_b64);
// Keypair contains a cryptographic secret; use a timing-safe decoder
$keypair_b64 = "KZkF8wnB7bnC2aXB3lFOqCTc0Z6MllvaQb9ASVG8o2/MsewkuE4u1uaEgTzSakeiYyIW8DGj+02/L3cWIbs9bQ==";
$keypair = sodium_base642bin($keypair_b64, SODIUM_BASE64_VARIANT_ORIGINAL);
$opened = sodium_crypto_box_seal_open($sealed, $keypair);
var_dump($opened);
?>
以上示例的輸出類似于:
string(41) "Writing software in PHP can be a delight!"
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