[英]Unable to decrypt data - openssl_private_decrypt(): key parameter is not a valid private key
[英]PHP: openssl_private_decrypt(): key parameter is not a valid private key
我有這個代碼來創建一個 RSA 4096 公鑰和私鑰來加密和解密一個字符串。
代碼:
<?php
$config = array(
"config" => "C:/xampp/php/extras/openssl/openssl.cnf",
"private_key_bits" => 4096,
"private_key_type" => OPENSSL_KEYTYPE_RSA
);
// Create the private and public key
$res = openssl_pkey_new($config);
// Extract the private key from $res to $privKey
openssl_pkey_export($res, $privKey);
// Extract the public key from $res to $pubKey
$pubKey = openssl_pkey_get_details($res);
$pubKey = $pubKey["key"];
$data = 'Hello, World!';
// Encrypt the data to $encrypted using the public key
openssl_public_encrypt($data, $encrypted, $pubKey);
echo $encrypted;
// Decrypt the data using the private key and store the results in $decrypted
openssl_private_decrypt($encrypted, $decrypted, $privKey);
echo $decrypted;
?>
它創建密鑰,加密data
字符串( Hello, World!
)但是當嘗試解密encrypted
字符串時,會發生錯誤:
警告:openssl_private_decrypt(): key parameter is not a valid private key in C:\\xampp\\htdocs\\rsa\\index.php第26行
好的,這對我有用:
更改openssl_pkey_export($res, $privKey);
到openssl_pkey_export($res, $privKey, NULL, $config);
.
您不需要像那樣導出密鑰私有,至少在您將其保存在安全的地方之前不需要:
$config = array(
"private_key_bits" => 4096,
"private_key_type" => OPENSSL_KEYTYPE_RSA
);
$pki = openssl_pkey_new($config);
$public = openssl_pkey_get_public(
openssl_pkey_get_details($pki)['key']
); // why on earth did they implement it like this? so clunky.
$private = openssl_pkey_get_private($pki);
$data = 'Hello, World!';
openssl_public_encrypt($data, $encrypted, $public);
openssl_private_decrypt($encrypted, $decrypted, $private);
var_dump(
bin2hex($encrypted),
$decrypted
);
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