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openssl_x509_checkpurpose
(PHP 4 >= 4.0.6, PHP 5, PHP 7)
openssl_x509_checkpurpose — Verifies if a certificate can be used for a particular purpose
Description
$x509cert
, int $purpose
[, array $cainfo = array()
[, string $untrustedfile
]] ) : int
openssl_x509_checkpurpose() examines a certificate to
see if it can be used for the specified purpose.
Parameters
-
x509cert -
The examined certificate.
-
purpose -
These options are not bitfields - you may specify one only!openssl_x509_checkpurpose() purposes Constant Description X509_PURPOSE_SSL_CLIENT Can the certificate be used for the client side of an SSL connection? X509_PURPOSE_SSL_SERVER Can the certificate be used for the server side of an SSL connection? X509_PURPOSE_NS_SSL_SERVER Can the cert be used for Netscape SSL server? X509_PURPOSE_SMIME_SIGN Can the cert be used to sign S/MIME email? X509_PURPOSE_SMIME_ENCRYPT Can the cert be used to encrypt S/MIME email? X509_PURPOSE_CRL_SIGN Can the cert be used to sign a certificate revocation list (CRL)? X509_PURPOSE_ANY Can the cert be used for Any/All purposes? -
cainfo -
cainfoshould be an array of trusted CA files/dirs as described in Certificate Verification. -
untrustedfile -
If specified, this should be the name of a PEM encoded file holding certificates that can be used to help verify the certificate, although no trust is placed in the certificates that come from that file.
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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