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The "read" command
Post 43228 by 435 Gavea on Thursday 13th of November 2003 12:06:39 PM
11-13-2003
Interesting !
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Hallo,
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LEARN ABOUT PHP
openssl_x509_checkpurpose
OPENSSL_X509_CHECKPURPOSE(3) 1 OPENSSL_X509_CHECKPURPOSE(3) openssl_x509_checkpurpose - Verifies if a certificate can be used for a particular purpose SYNOPSIS
int openssl_x509_checkpurpose (mixed $x509cert, int $purpose, [array $cainfo = array()], [string $untrustedfile]) DESCRIPTION
openssl_x509_checkpurpose(3) examines a certificate to see if it can be used for the specified $purpose. PARAMETERS
o $x509cert - The examined certificate. o $purpose - openssl_x509_checkpurpose(3) 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 revo- | | | cation list (CRL)? | | | | | X509_PURPOSE_ANY | | | | | | | Can the cert be used for Any/All purposes? | | | | +---------------------------+---------------------------------------------------+ These options are not bitfields - you may specify one only! o $cainfo -$cainfo should be an array of trusted CA files/dirs as described in Certificate Verification. o $untrustedfile - If specified, this should be the name of a PEM encoded file holding certificates that can be used to help verify the certifi- cate, although no trust is placed in the certificates that come from that file. RETURN VALUES
Returns TRUE if the certificate can be used for the intended purpose, FALSE if it cannot, or -1 on error. PHP Documentation Group OPENSSL_X509_CHECKPURPOSE(3)