(PHP 4 >= 4.0.6)
openssl_x509_checkpurpose -- Verifies if a certificate can be used for a particular purposeWaarschuwing |
Deze functie is EXPERIMENTEEL. Dat betekent, dat het gedrag van deze functie, deze functienaam, in concreto ALLES dat hier gedocumenteerd is in een toekomstige uitgave van PHP ZONDER WAARSCHUWING kan veranderen. Wees gewaarschuwd, en gebruik deze functie op eigen risico. |
Returns TRUE if the certificate can be used for the intended purpose, FALSE if it cannot, or -1 on error.
openssl_x509_checkpurpose() examines the certificate specified by x509cert to see if it can be used for the purpose specified by purpose.
cainfo should be an array of trusted CA files/dirs as described in Certificate Verification.
untrustedfile, if specified, is the name of a PEM encoded file holding certificates that can be used to help verify the certificate, although no trust in placed in the certificates that come from that file.
Tabel 1. 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? |
Opmerking: This function was added in 4.0.6.