Php/docs/openssl.purpose-check
来自菜鸟教程
目的检查标志
X509_PURPOSE_SSL_CLIENT
(integer)X509_PURPOSE_SSL_SERVER
(integer)X509_PURPOSE_NS_SSL_SERVER
(integer)X509_PURPOSE_SMIME_SIGN
(integer)X509_PURPOSE_SMIME_ENCRYPT
(integer)X509_PURPOSE_CRL_SIGN
(integer)X509_PURPOSE_ANY
(integer)