openssl_spki_export_challenge
(PHP 5 >= 5.6.0, PHP 7)
openssl_spki_export_challenge — Exports the challenge assoicated with a signed public key and challenge
説明
string openssl_spki_export_challenge
( string
&$spkac
)Exports challenge from encoded signed public key and challenge
パラメータ
-
spkac -
Expects a valid signed public key and challenge
返り値
Returns the associated challenge string or NULL on failure.
エラー / 例外
Emits an E_WARNING level error if an invalid argument
is passed via the spkac parameter.
例
例1 openssl_spki_export_challenge() example
Extracts the associated challenge string or NULL on failure.
<?php
$pkey = openssl_pkey_new('secret password');
$spkac = openssl_spki_new($pkey, 'challenge string');
$challenge = openssl_spki_export_challenge(preg_replace('/SPKAC=/', '', $spkac));
?>
例2 openssl_spki_export_challenge() example from <keygen>
Extracts the associated challenge string issued from the <keygen> element
<?php
$challenge = openssl_spki_export_challenge(preg_replace('/SPKAC=/', '', $_POST['spkac']));
?>
<keygen name="spkac" challenge="challenge string" keytype="RSA">
参考
- openssl_spki_new() - Generate a new signed public key and challenge
- openssl_spki_verify() - Verifies a signed public key and challenge
- openssl_spki_export() - Exports a valid PEM formatted public key signed public key and challenge
- openssl_md_method()
- openssl_csr_new() - CSR を作成する
- openssl_csr_sign() - 他の CERT（あるいは自分自身）で証明書をサインする
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