openssl_csr_get_subject

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

openssl_csr_get_subject — Retourne le sujet d'une CSR

Description

openssl_csr_get_subject(OpenSSLCertificateSigningRequest|string $csr, bool $short_names = true): array|false

openssl_csr_get_subject() retournes les informations sur le nom distinctif du sujet codées dans le csr, y compris les champs commonName (CN), organizationName (O), countryName (C) etc.

Liste de paramètres

csr: Voir les paramètres CSR pour obtenir une liste des valeurs valides.
short_names: short_names contrôle comment les données sont indexés dans le tableau - si short_names est true (par défaut) alors les champs seront indexés avec la forme courte du nom, sinon le nom complet sera utilisé - par exemple : CN est le nom court de commonName.

Valeurs de retour

Retourne un tableau associatif avec les description des sujets, ou false si une erreur survient.

Historique

Version	Description
8.0.0	`csr` accepte désormais une instance de OpenSSLCertificateSigningRequest ; auparavant, une ressource de type `OpenSSL X.509 CSR` était accepté.

Exemples

Exemple #1 Exemple avec openssl_csr_get_subject()

<?php
$subject = array(
    "countryName" => "CA",
    "stateOrProvinceName" => "Alberta",
    "localityName" => "Calgary",
    "organizationName" => "XYZ Widgets Inc",
    "organizationalUnitName" => "PHP Documentation Team",
    "commonName" => "Wez Furlong",
    "emailAddress" => "wez@example.com",
);
$private_key = openssl_pkey_new(array(
    "private_key_bits" => 2048,
    "private_key_type" => OPENSSL_KEYTYPE_RSA,
));
$configargs = array(
    'digest_alg' => 'sha512WithRSAEncryption'
);
$csr = openssl_csr_new($subject, $privkey, $configargs);
print_r(openssl_csr_get_subject($csr));
?>

Résultat de l'exemple ci-dessus est similaire à :

Array
(
    [C] => CA
    [ST] => Alberta
    [L] => Calgary
    [O] => XYZ Widgets Inc
    [OU] => PHP Documentation Team
    [CN] => Wez Furlong
    [emailAddress] => wez@example.com
)

Voir aussi

openssl_csr_new() - Génère une CSR
openssl_csr_get_public_key() - Retourne la clé publique d'un CSR
openssl_x509_parse() - Analyse un certificat X509

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User Contributed Notes 4 notes

down

pdm at wp dot pl ¶

9 years ago

openssl_csr_get_subject('somedomain.com',false);
return
array(7) {
  ["countryName"]=> string "XX"
  ["stateOrProvinceName"]=> string "xxxxxxxxx"
  ["localityName"]=> string "xxxxxxxx"
  ["organizationName"]=> string "xxxxxxxxx"
  ["organizationalUnitName"]=>string "xxxx"
  ["commonName"]=>string "xxx"
  ["emailAddress"]=>string "xxx"
}

 openssl_csr_get_subject('somedomain.com',true);
return
array(7) {
  ["C"]=> string "XX"
  ["ST"]=> string "xxxxxxxxx"
  ["L"]=> string "xxxxxxxx"
  ["O"]=> string "xxxxxxxxx"
  ["OU"]=>string "xxxx"
  ["CN"]=>string "xxx"
  ["emailAddress"]=>string "xxx"
}

down

Steve ¶

8 years ago

This function may not return name fields in the order they appear in the certificate.  For example, this CSR:

-----BEGIN CERTIFICATE REQUEST-----
MIHsMIGUAgEAMDIxEDAOBgNVBAsMB3VuaXQgIzExDDAKBgNVBAoMA29yZzEQMA4G
A1UECwwHdW5pdCAjMjBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABGvZnFxGuVzJ
hOKPs5RNxZBS4vY6ERaqm5tKMGOhxLSfv/dpjDtNNdSHkIGNjYxclHYhxG0ku7BY
PA5uPIjng1SgADAKBggqhkjOPQQDAgNHADBEAiB4GXhhbEU1UFTCe0dwJnKHTQuI
xzYL5FnyhmKdixN/0gIgBXSm9S8L/oJ6rBxemin/V/xKv5jy4TEZuz84nnshxQQ=
-----END CERTIFICATE REQUEST-----

When processed by 'openssl -noout -subject' gives this:

subject=/OU=unit #1/O=org/OU=unit #2

On the other hand, 'var_dump( openssl_csr_get_subject( "..." ) )' will produce this:

csr = array(2) {
  ["OU"]=>
  array(2) {
    [0]=>
    string(7) "unit #1"
    [1]=>
    string(7) "unit #2"
  }
  ["O"]=>
  string(3) "org"
}

As you can see, ordering information (which may be important for some applications) is lost.

down

mikko koivu ¶

14 years ago

this function does not yet return SANs (subject alternative names) fields for UC certificates like those used in exchange 2007.

down

-1

stephan[at]strato-rz[dot]de ¶

15 years ago

The returning assoziative array is indexed with the fields
in the subject so you should have a array key named CN,OU and so on.

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