Purpose checking flags
-
X509_PURPOSE_SSL_CLIENT(int) -
X509_PURPOSE_SSL_SERVER(int) -
X509_PURPOSE_NS_SSL_SERVER(int) -
X509_PURPOSE_SMIME_SIGN(int) -
X509_PURPOSE_SMIME_ENCRYPT(int) -
X509_PURPOSE_CRL_SIGN(int) -
X509_PURPOSE_ANY(int)

