openssl_csr_get_public_key
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
openssl_csr_get_public_key — 返回CSR的公钥
说明
openssl_csr_get_public_key() 从csr中提取公钥供其他功能使用。
返回值
成功，返回一个私钥标识符，错误则返回FALSE.
范例
示例 #1 openssl_csr_get_public_key() example
<?php
$subject = array(
"commonName" => "example.com",
);
$private_key = openssl_pkey_new(array(
"private_key_bits" => 2048,
"private_key_type" => OPENSSL_KEYTYPE_RSA,
));
$csr = openssl_csr_new($subject, $private_key, array('digest_alg' => 'sha256') );
$public_key = openssl_csr_get_public_key($csr);
$info = openssl_pkey_get_details($public_key);
echo $info['key'];
?>
参见
- openssl_csr_get_subject() - 返回CSR的主题
- openssl_csr_new() - 生成一个 CSR
- openssl_pkey_get_details() - 返回包含密钥详情的数组
- openssl_pkey_export_to_file() - 将密钥导出到文件中
- openssl_pkey_export() - 将一个密钥的可输出表示转换为字符串
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User Contributed Notes 1 note
php at siemenroorda dot nl ¶
12 years ago
Function openssl_pkey_get_details can read this resource. Try:
<?php
print_r(openssl_pkey_get_details(openssl_csr_get_public_key($csr)));
?>
备份地址：http://www.lvesu.com/blog/php/function.openssl-csr-get-public-key.php