(PHP 4 >= 4.0.6)
openssl_x509_checkpurpose -- Verifies if a certificate can be used for a particular purpose| Figyelem |
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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.
Táblázat 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? |
Megjegyzés: This function was added in 4.0.6.