KSSL_CTX        *kssl_ctx_free(KSSL_CTX *kssl_ctx);
KSSL_CTX        *kssl_ctx_new(void);
krb5_error_code kssl_cget_tkt(KSSL_CTX *kssl_ctx,  krb5_data **enc_tktp,
                              krb5_data *authenp, KSSL_ERR *kssl_err);
void            kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text);
void            kssl_ctx_show(KSSL_CTX *kssl_ctx);
krb5_error_code kssl_validate_times(krb5_timestamp atime,
                                        krb5_ticket_times *ttimes); krb5_error_code kssl_check_authent(KSSL_CTX *kssl_ctx, krb5_data *authentp,
                                    krb5_timestamp *atimep, KSSL_ERR *kssl_err); krb5_error_code kssl_build_principal_2(krb5_context context,
                        krb5_principal *princ, int rlen, const char *realm,
                        int slen, const char *svc, int hlen, const char *host);
unsigned char   *kssl_skip_confound(krb5_enctype enctype, unsigned char *authn);
krb5_error_code kssl_sget_tkt(KSSL_CTX *kssl_ctx,  krb5_data *indata,
                              krb5_ticket_times *ttimes, KSSL_ERR *kssl_err); krb5_error_code kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session); krb5_error_code kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which,
                                  krb5_data *realm, krb5_data *entity, int nentities);
void            kssl_krb5_free_data_contents(krb5_context context, krb5_data *data);
krb5_error_code kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text);
 
 
int  SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, unsigned int id_len); 
int  SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
int  SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
int  SSL_renegotiate_pending(SSL *s); 
void SSL_CTX_set_msg_callback(SSL_CTX *ctx, 
                         void (*cb)(int write_p, int version, int content_type,
                         const void *buf, size_t len, SSL *ssl, void *arg)); 
void SSL_set_msg_callback(SSL *ssl, 
                         void (*cb)(int write_p, int version, int content_type,
                         const void *buf, size_t len, SSL *ssl, void *arg));