Purpose checking flags
   
    
     - 
      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)
-