text: /* ssl.h
   *
   * Copyright (C) 2006-2015 wolfSSL Inc.
   *
   * This file is part of wolfSSL. (formerly known as CyaSSL)
   *
   * wolfSSL is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * wolfSSL is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  
  /* wolfSSL API */
  
  #ifndef WOLFSSL_SSL_H
  #define WOLFSSL_SSL_H
  
  
  /* for users not using preprocessor flags*/
  #include <wolfssl/wolfcrypt/settings.h>
  #include <wolfssl/version.h>
  
  #ifndef NO_FILESYSTEM
      #if defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
          #if MQX_USE_IO_OLD
              #include <fio.h>
          #else
              #include <nio.h>
          #endif
      #else
          #include <stdio.h>   /* ERR_printf */
      #endif
  #endif
  
  #ifdef WOLFSSL_PREFIX
      #include "prefix_ssl.h"
  #endif
  
  #ifdef LIBWOLFSSL_VERSION_STRING
      #define WOLFSSL_VERSION LIBWOLFSSL_VERSION_STRING
  #endif
  
  #ifdef _WIN32
      /* wincrypt.h clashes */
      #undef OCSP_REQUEST
      #undef OCSP_RESPONSE
  #endif
  
  
  
  #ifdef __cplusplus
      extern "C" {
  #endif
  
  typedef struct WOLFSSL          WOLFSSL;
  typedef struct WOLFSSL_SESSION  WOLFSSL_SESSION;
  typedef struct WOLFSSL_METHOD   WOLFSSL_METHOD;
  typedef struct WOLFSSL_CTX      WOLFSSL_CTX;
  
  typedef struct WOLFSSL_X509       WOLFSSL_X509;
  typedef struct WOLFSSL_X509_NAME  WOLFSSL_X509_NAME;
  typedef struct WOLFSSL_X509_CHAIN WOLFSSL_X509_CHAIN;
  
  typedef struct WOLFSSL_CERT_MANAGER WOLFSSL_CERT_MANAGER;
  typedef struct WOLFSSL_SOCKADDR     WOLFSSL_SOCKADDR;
  
  /* redeclare guard */
  #define WOLFSSL_TYPES_DEFINED
  
  
  #ifndef WOLFSSL_RSA_TYPE_DEFINED /* guard on redeclaration */
  typedef struct WOLFSSL_RSA            WOLFSSL_RSA;
  #define WOLFSSL_RSA_TYPE_DEFINED
  #endif
  
  typedef struct WOLFSSL_DSA            WOLFSSL_DSA;
  typedef struct WOLFSSL_EC_KEY         WOLFSSL_EC_KEY;
  typedef struct WOLFSSL_EC_POINT       WOLFSSL_EC_POINT;
  typedef struct WOLFSSL_EC_GROUP       WOLFSSL_EC_GROUP;
  typedef struct WOLFSSL_ECDSA_SIG      WOLFSSL_ECDSA_SIG;
  typedef struct WOLFSSL_CIPHER         WOLFSSL_CIPHER;
  typedef struct WOLFSSL_X509_LOOKUP    WOLFSSL_X509_LOOKUP;
  typedef struct WOLFSSL_X509_LOOKUP_METHOD WOLFSSL_X509_LOOKUP_METHOD;
  typedef struct WOLFSSL_X509_CRL       WOLFSSL_X509_CRL;
  typedef struct WOLFSSL_BIO            WOLFSSL_BIO;
  typedef struct WOLFSSL_BIO_METHOD     WOLFSSL_BIO_METHOD;
  typedef struct WOLFSSL_X509_EXTENSION WOLFSSL_X509_EXTENSION;
  typedef struct WOLFSSL_ASN1_TIME      WOLFSSL_ASN1_TIME;
  typedef struct WOLFSSL_ASN1_INTEGER   WOLFSSL_ASN1_INTEGER;
  typedef struct WOLFSSL_ASN1_OBJECT    WOLFSSL_ASN1_OBJECT;
  
  typedef struct WOLFSSL_ASN1_STRING      WOLFSSL_ASN1_STRING;
  typedef struct WOLFSSL_dynlock_value    WOLFSSL_dynlock_value;
  typedef struct WOLFSSL_DH               WOLFSSL_DH;
  typedef struct WOLFSSL_ASN1_BIT_STRING  WOLFSSL_ASN1_BIT_STRING;
  
  #define WOLFSSL_ASN1_UTCTIME WOLFSSL_ASN1_TIME
  
  typedef struct WOLFSSL_EVP_PKEY {
      int type;         /* openssh dereference */
      int save_type;    /* openssh dereference */
      int pkey_sz;
      union {
          char* ptr;
      } pkey;
      #ifdef HAVE_ECC
          int pkey_curve;
      #endif
  } WOLFSSL_EVP_PKEY;
  
  typedef struct WOLFSSL_MD4_CTX {
      int buffer[32];      /* big enough to hold, check size in Init */
  } WOLFSSL_MD4_CTX;
  
  
  typedef struct WOLFSSL_COMP_METHOD {
      int type;            /* stunnel dereference */
  } WOLFSSL_COMP_METHOD;
  
  
  typedef struct WOLFSSL_X509_STORE {
      int                  cache;          /* stunnel dereference */
      WOLFSSL_CERT_MANAGER* cm;
  } WOLFSSL_X509_STORE;
  
  typedef struct WOLFSSL_ALERT {
      int code;
      int level;
  } WOLFSSL_ALERT;
  
  typedef struct WOLFSSL_ALERT_HISTORY {
      WOLFSSL_ALERT last_rx;
      WOLFSSL_ALERT last_tx;
  } WOLFSSL_ALERT_HISTORY;
  
  typedef struct WOLFSSL_X509_REVOKED {
      WOLFSSL_ASN1_INTEGER* serialNumber;          /* stunnel dereference */
  } WOLFSSL_X509_REVOKED;
  
  
  typedef struct WOLFSSL_X509_OBJECT {
      union {
          char* ptr;
          WOLFSSL_X509 *x509;
          WOLFSSL_X509_CRL* crl;           /* stunnel dereference */
      } data;
  } WOLFSSL_X509_OBJECT;
  
  typedef struct WOLFSSL_X509_STORE_CTX {
      WOLFSSL_X509_STORE* store;    /* Store full of a CA cert chain */
      WOLFSSL_X509* current_cert;   /* stunnel dereference */
      char* domain;                /* subject CN domain name */
      void* ex_data;               /* external data, for fortress build */
      void* userCtx;               /* user ctx */
      int   error;                 /* current error */
      int   error_depth;           /* cert depth for this error */
      int   discardSessionCerts;   /* so verify callback can flag for discard */
  } WOLFSSL_X509_STORE_CTX;
  
  
  /* Valid Alert types from page 16/17 */
  enum AlertDescription {
      close_notify            = 0,
      unexpected_message      = 10,
      bad_record_mac          = 20,
      record_overflow         = 22,
      decompression_failure   = 30,
      handshake_failure       = 40,
      no_certificate          = 41,
      bad_certificate         = 42,
      unsupported_certificate = 43,
      certificate_revoked     = 44,
      certificate_expired     = 45,
      certificate_unknown     = 46,
      illegal_parameter       = 47,
      decrypt_error           = 51,
      #ifdef WOLFSSL_MYSQL_COMPATIBLE
      /* catch name conflict for enum protocol with MYSQL build */
      wc_protocol_version     = 70,
      #else
      protocol_version        = 70,
      #endif
      no_renegotiation        = 100,
      unrecognized_name       = 112,
      no_application_protocol = 120
  };
  
  
  enum AlertLevel {
      alert_warning = 1,
      alert_fatal = 2
  };
  
  
  WOLFSSL_API WOLFSSL_METHOD *wolfSSLv3_server_method(void);
  WOLFSSL_API WOLFSSL_METHOD *wolfSSLv3_client_method(void);
  WOLFSSL_API WOLFSSL_METHOD *wolfTLSv1_server_method(void);
  WOLFSSL_API WOLFSSL_METHOD *wolfTLSv1_client_method(void);
  WOLFSSL_API WOLFSSL_METHOD *wolfTLSv1_1_server_method(void);
  WOLFSSL_API WOLFSSL_METHOD *wolfTLSv1_1_client_method(void);
  WOLFSSL_API WOLFSSL_METHOD *wolfTLSv1_2_server_method(void);
  WOLFSSL_API WOLFSSL_METHOD *wolfTLSv1_2_client_method(void);
  
  #ifdef WOLFSSL_DTLS
      WOLFSSL_API WOLFSSL_METHOD *wolfDTLSv1_client_method(void);
      WOLFSSL_API WOLFSSL_METHOD *wolfDTLSv1_server_method(void);
      WOLFSSL_API WOLFSSL_METHOD *wolfDTLSv1_2_client_method(void);
      WOLFSSL_API WOLFSSL_METHOD *wolfDTLSv1_2_server_method(void);
  #endif
  
  #ifdef HAVE_POLY1305
      WOLFSSL_API int wolfSSL_use_old_poly(WOLFSSL*, int);
  #endif
  
  #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS)
  
  WOLFSSL_API int wolfSSL_CTX_use_certificate_file(WOLFSSL_CTX*, const char*, int);
  WOLFSSL_API int wolfSSL_CTX_use_PrivateKey_file(WOLFSSL_CTX*, const char*, int);
  WOLFSSL_API int wolfSSL_CTX_load_verify_locations(WOLFSSL_CTX*, const char*,
                                                  const char*);
  WOLFSSL_API int wolfSSL_CTX_use_certificate_chain_file(WOLFSSL_CTX *,
                                                       const char *file);
  WOLFSSL_API int wolfSSL_CTX_use_RSAPrivateKey_file(WOLFSSL_CTX*, const char*, int);
  
  WOLFSSL_API long wolfSSL_get_verify_depth(WOLFSSL* ssl);
  WOLFSSL_API long wolfSSL_CTX_get_verify_depth(WOLFSSL_CTX* ctx);
  WOLFSSL_API int wolfSSL_use_certificate_file(WOLFSSL*, const char*, int);
  WOLFSSL_API int wolfSSL_use_PrivateKey_file(WOLFSSL*, const char*, int);
  WOLFSSL_API int wolfSSL_use_certificate_chain_file(WOLFSSL*, const char *file);
  WOLFSSL_API int wolfSSL_use_RSAPrivateKey_file(WOLFSSL*, const char*, int);
  
  #ifdef WOLFSSL_DER_LOAD
      WOLFSSL_API int wolfSSL_CTX_der_load_verify_locations(WOLFSSL_CTX*,
                                                      const char*, int);
  #endif
  
  #ifdef HAVE_NTRU
      WOLFSSL_API int wolfSSL_CTX_use_NTRUPrivateKey_file(WOLFSSL_CTX*, const char*);
      /* load NTRU private key blob */
  #endif
  
  #ifndef WOLFSSL_PEMCERT_TODER_DEFINED
      WOLFSSL_API int wolfSSL_PemCertToDer(const char*, unsigned char*, int);
      #define WOLFSSL_PEMCERT_TODER_DEFINED
  #endif
  
  #endif /* !NO_FILESYSTEM && !NO_CERTS */
  
  WOLFSSL_API WOLFSSL_CTX* wolfSSL_CTX_new(WOLFSSL_METHOD*);
  WOLFSSL_API WOLFSSL* wolfSSL_new(WOLFSSL_CTX*);
  WOLFSSL_API int  wolfSSL_set_fd (WOLFSSL*, int);
  WOLFSSL_API char* wolfSSL_get_cipher_list(int priority);
  WOLFSSL_API int  wolfSSL_get_ciphers(char*, int);
  WOLFSSL_API int  wolfSSL_get_fd(const WOLFSSL*);
  WOLFSSL_API void wolfSSL_set_using_nonblock(WOLFSSL*, int);
  WOLFSSL_API int  wolfSSL_get_using_nonblock(WOLFSSL*);
  WOLFSSL_API int  wolfSSL_connect(WOLFSSL*);     /* please see note at top of README
                                               if you get an error from connect */
  WOLFSSL_API int  wolfSSL_write(WOLFSSL*, const void*, int);
  WOLFSSL_API int  wolfSSL_read(WOLFSSL*, void*, int);
  WOLFSSL_API int  wolfSSL_peek(WOLFSSL*, void*, int);
  WOLFSSL_API int  wolfSSL_accept(WOLFSSL*);
  WOLFSSL_API void wolfSSL_CTX_free(WOLFSSL_CTX*);
  WOLFSSL_API void wolfSSL_free(WOLFSSL*);
  WOLFSSL_API int  wolfSSL_shutdown(WOLFSSL*);
  WOLFSSL_API int  wolfSSL_send(WOLFSSL*, const void*, int sz, int flags);
  WOLFSSL_API int  wolfSSL_recv(WOLFSSL*, void*, int sz, int flags);
  
  WOLFSSL_API void wolfSSL_CTX_set_quiet_shutdown(WOLFSSL_CTX*, int);
  WOLFSSL_API void wolfSSL_set_quiet_shutdown(WOLFSSL*, int);
  
  WOLFSSL_API int  wolfSSL_get_error(WOLFSSL*, int);
  WOLFSSL_API int  wolfSSL_get_alert_history(WOLFSSL*, WOLFSSL_ALERT_HISTORY *);
  
  WOLFSSL_API int        wolfSSL_set_session(WOLFSSL* ssl,WOLFSSL_SESSION* session);
  WOLFSSL_API long       wolfSSL_SSL_SESSION_set_timeout(WOLFSSL_SESSION* session, long t);
  WOLFSSL_API WOLFSSL_SESSION* wolfSSL_get_session(WOLFSSL* ssl);
  WOLFSSL_API void       wolfSSL_flush_sessions(WOLFSSL_CTX *ctx, long tm);
  WOLFSSL_API int        wolfSSL_SetServerID(WOLFSSL* ssl, const unsigned char*,
                                           int, int);
  
  #ifdef SESSION_INDEX
  WOLFSSL_API int wolfSSL_GetSessionIndex(WOLFSSL* ssl);
  WOLFSSL_API int wolfSSL_GetSessionAtIndex(int index, WOLFSSL_SESSION* session);
  #endif /* SESSION_INDEX */
  
  #if defined(SESSION_INDEX) && defined(SESSION_CERTS)
  WOLFSSL_API
      WOLFSSL_X509_CHAIN* wolfSSL_SESSION_get_peer_chain(WOLFSSL_SESSION* session);
  #endif /* SESSION_INDEX && SESSION_CERTS */
  
  typedef int (*VerifyCallback)(int, WOLFSSL_X509_STORE_CTX*);
  typedef int (*pem_password_cb)(char*, int, int, void*);
  
  WOLFSSL_API void wolfSSL_CTX_set_verify(WOLFSSL_CTX*, int,
                                        VerifyCallback verify_callback);
  WOLFSSL_API void wolfSSL_set_verify(WOLFSSL*, int, VerifyCallback verify_callback);
  WOLFSSL_API void wolfSSL_SetCertCbCtx(WOLFSSL*, void*);
  
  WOLFSSL_API int  wolfSSL_pending(WOLFSSL*);
  
  WOLFSSL_API void wolfSSL_load_error_strings(void);
  WOLFSSL_API int  wolfSSL_library_init(void);
  WOLFSSL_API long wolfSSL_CTX_set_session_cache_mode(WOLFSSL_CTX*, long);
  
  #ifdef HAVE_SECRET_CALLBACK
  typedef int (*SessionSecretCb)(WOLFSSL* ssl,
                                          void* secret, int* secretSz, void* ctx);
  WOLFSSL_API int  wolfSSL_set_session_secret_cb(WOLFSSL*, SessionSecretCb, void*);
  #endif /* HAVE_SECRET_CALLBACK */
  
  /* session cache persistence */
  WOLFSSL_API int  wolfSSL_save_session_cache(const char*);
  WOLFSSL_API int  wolfSSL_restore_session_cache(const char*);
  WOLFSSL_API int  wolfSSL_memsave_session_cache(void*, int);
  WOLFSSL_API int  wolfSSL_memrestore_session_cache(const void*, int);
  WOLFSSL_API int  wolfSSL_get_session_cache_memsize(void);
  
  /* certificate cache persistence, uses ctx since certs are per ctx */
  WOLFSSL_API int  wolfSSL_CTX_save_cert_cache(WOLFSSL_CTX*, const char*);
  WOLFSSL_API int  wolfSSL_CTX_restore_cert_cache(WOLFSSL_CTX*, const char*);
  WOLFSSL_API int  wolfSSL_CTX_memsave_cert_cache(WOLFSSL_CTX*, void*, int, int*);
  WOLFSSL_API int  wolfSSL_CTX_memrestore_cert_cache(WOLFSSL_CTX*, const void*, int);
  WOLFSSL_API int  wolfSSL_CTX_get_cert_cache_memsize(WOLFSSL_CTX*);
  
  /* only supports full name from cipher_name[] delimited by : */
  WOLFSSL_API int  wolfSSL_CTX_set_cipher_list(WOLFSSL_CTX*, const char*);
  WOLFSSL_API int  wolfSSL_set_cipher_list(WOLFSSL*, const char*);
  
  /* Nonblocking DTLS helper functions */
  WOLFSSL_API int  wolfSSL_dtls_get_current_timeout(WOLFSSL* ssl);
  WOLFSSL_API int  wolfSSL_dtls_set_timeout_init(WOLFSSL* ssl, int);
  WOLFSSL_API int  wolfSSL_dtls_set_timeout_max(WOLFSSL* ssl, int);
  WOLFSSL_API int  wolfSSL_dtls_got_timeout(WOLFSSL* ssl);
  WOLFSSL_API int  wolfSSL_dtls(WOLFSSL* ssl);
  
  WOLFSSL_API int  wolfSSL_dtls_set_peer(WOLFSSL*, void*, unsigned int);
  WOLFSSL_API int  wolfSSL_dtls_get_peer(WOLFSSL*, void*, unsigned int*);
  
  WOLFSSL_API int   wolfSSL_ERR_GET_REASON(unsigned long err);
  WOLFSSL_API char* wolfSSL_ERR_error_string(unsigned long,char*);
  WOLFSSL_API void  wolfSSL_ERR_error_string_n(unsigned long e, char* buf,
                                             unsigned long sz);
  WOLFSSL_API const char* wolfSSL_ERR_reason_error_string(unsigned long);
  
  /* extras */
  
  #define STACK_OF(x) x
  
  WOLFSSL_API int  wolfSSL_set_ex_data(WOLFSSL*, int, void*);
  WOLFSSL_API int  wolfSSL_get_shutdown(const WOLFSSL*);
  WOLFSSL_API int  wolfSSL_set_rfd(WOLFSSL*, int);
  WOLFSSL_API int  wolfSSL_set_wfd(WOLFSSL*, int);
  WOLFSSL_API void wolfSSL_set_shutdown(WOLFSSL*, int);
  WOLFSSL_API int  wolfSSL_set_session_id_context(WOLFSSL*, const unsigned char*,
                                             unsigned int);
  WOLFSSL_API void wolfSSL_set_connect_state(WOLFSSL*);
  WOLFSSL_API void wolfSSL_set_accept_state(WOLFSSL*);
  WOLFSSL_API int  wolfSSL_session_reused(WOLFSSL*);
  WOLFSSL_API void wolfSSL_SESSION_free(WOLFSSL_SESSION* session);
  WOLFSSL_API int  wolfSSL_is_init_finished(WOLFSSL*);
  
  WOLFSSL_API const char*  wolfSSL_get_version(WOLFSSL*);
  WOLFSSL_API int  wolfSSL_get_current_cipher_suite(WOLFSSL* ssl);
  WOLFSSL_API WOLFSSL_CIPHER*  wolfSSL_get_current_cipher(WOLFSSL*);
  WOLFSSL_API char*        wolfSSL_CIPHER_description(WOLFSSL_CIPHER*, char*, int);
  WOLFSSL_API const char*  wolfSSL_CIPHER_get_name(const WOLFSSL_CIPHER* cipher);
  WOLFSSL_API const char*  wolfSSL_get_cipher(WOLFSSL*);
  WOLFSSL_API WOLFSSL_SESSION* wolfSSL_get1_session(WOLFSSL* ssl);
                             /* what's ref count */
  
  WOLFSSL_API void wolfSSL_X509_free(WOLFSSL_X509*);
  WOLFSSL_API void wolfSSL_OPENSSL_free(void*);
  
  WOLFSSL_API int wolfSSL_OCSP_parse_url(char* url, char** host, char** port,
                                       char** path, int* ssl);
  
  WOLFSSL_API WOLFSSL_METHOD* wolfSSLv23_client_method(void);
  WOLFSSL_API WOLFSSL_METHOD* wolfSSLv2_client_method(void);
  WOLFSSL_API WOLFSSL_METHOD* wolfSSLv2_server_method(void);
  
  WOLFSSL_API void wolfSSL_MD4_Init(WOLFSSL_MD4_CTX*);
  WOLFSSL_API void wolfSSL_MD4_Update(WOLFSSL_MD4_CTX*, const void*, unsigned long);
  WOLFSSL_API void wolfSSL_MD4_Final(unsigned char*, WOLFSSL_MD4_CTX*);
  
  
  WOLFSSL_API WOLFSSL_BIO* wolfSSL_BIO_new(WOLFSSL_BIO_METHOD*);
  WOLFSSL_API int  wolfSSL_BIO_free(WOLFSSL_BIO*);
  WOLFSSL_API int  wolfSSL_BIO_free_all(WOLFSSL_BIO*);
  WOLFSSL_API int  wolfSSL_BIO_read(WOLFSSL_BIO*, void*, int);
  WOLFSSL_API int  wolfSSL_BIO_write(WOLFSSL_BIO*, const void*, int);
  WOLFSSL_API WOLFSSL_BIO* wolfSSL_BIO_push(WOLFSSL_BIO*, WOLFSSL_BIO* append);
  WOLFSSL_API WOLFSSL_BIO* wolfSSL_BIO_pop(WOLFSSL_BIO*);
  WOLFSSL_API int  wolfSSL_BIO_flush(WOLFSSL_BIO*);
  WOLFSSL_API int  wolfSSL_BIO_pending(WOLFSSL_BIO*);
  
  WOLFSSL_API WOLFSSL_BIO_METHOD* wolfSSL_BIO_f_buffer(void);
  WOLFSSL_API long wolfSSL_BIO_set_write_buffer_size(WOLFSSL_BIO*, long size);
  WOLFSSL_API WOLFSSL_BIO_METHOD* wolfSSL_BIO_f_ssl(void);
  WOLFSSL_API WOLFSSL_BIO*        wolfSSL_BIO_new_socket(int sfd, int flag);
  WOLFSSL_API int         wolfSSL_BIO_eof(WOLFSSL_BIO*);
  
  WOLFSSL_API WOLFSSL_BIO_METHOD* wolfSSL_BIO_s_mem(void);
  WOLFSSL_API WOLFSSL_BIO_METHOD* wolfSSL_BIO_f_base64(void);
  WOLFSSL_API void wolfSSL_BIO_set_flags(WOLFSSL_BIO*, int);
  
  WOLFSSL_API int wolfSSL_BIO_get_mem_data(WOLFSSL_BIO* bio,const unsigned char** p);
  WOLFSSL_API WOLFSSL_BIO* wolfSSL_BIO_new_mem_buf(void* buf, int len);
  
  
  WOLFSSL_API long        wolfSSL_BIO_set_ssl(WOLFSSL_BIO*, WOLFSSL*, int flag);
  WOLFSSL_API void        wolfSSL_set_bio(WOLFSSL*, WOLFSSL_BIO* rd, WOLFSSL_BIO* wr);
  
  WOLFSSL_API int  wolfSSL_add_all_algorithms(void);
  
  WOLFSSL_API void        wolfSSL_RAND_screen(void);
  WOLFSSL_API const char* wolfSSL_RAND_file_name(char*, unsigned long);
  WOLFSSL_API int         wolfSSL_RAND_write_file(const char*);
  WOLFSSL_API int         wolfSSL_RAND_load_file(const char*, long);
  WOLFSSL_API int         wolfSSL_RAND_egd(const char*);
  WOLFSSL_API int         wolfSSL_RAND_seed(const void*, int);
  WOLFSSL_API void        wolfSSL_RAND_add(const void*, int, double);
  
  WOLFSSL_API WOLFSSL_COMP_METHOD* wolfSSL_COMP_zlib(void);
  WOLFSSL_API WOLFSSL_COMP_METHOD* wolfSSL_COMP_rle(void);
  WOLFSSL_API int wolfSSL_COMP_add_compression_method(int, void*);
  
  WOLFSSL_API int wolfSSL_get_ex_new_index(long, void*, void*, void*, void*);
  
  WOLFSSL_API void wolfSSL_set_id_callback(unsigned long (*f)(void));
  WOLFSSL_API void wolfSSL_set_locking_callback(void (*f)(int, int, const char*,
                                                        int));
  WOLFSSL_API void wolfSSL_set_dynlock_create_callback(WOLFSSL_dynlock_value* (*f)
                                                     (const char*, int));
  WOLFSSL_API void wolfSSL_set_dynlock_lock_callback(void (*f)(int,
                                        WOLFSSL_dynlock_value*, const char*, int));
  WOLFSSL_API void wolfSSL_set_dynlock_destroy_callback(void (*f)
                                       (WOLFSSL_dynlock_value*, const char*, int));
  WOLFSSL_API int  wolfSSL_num_locks(void);
  
  WOLFSSL_API WOLFSSL_X509* wolfSSL_X509_STORE_CTX_get_current_cert(
                                                          WOLFSSL_X509_STORE_CTX*);
  WOLFSSL_API int   wolfSSL_X509_STORE_CTX_get_error(WOLFSSL_X509_STORE_CTX*);
  WOLFSSL_API int   wolfSSL_X509_STORE_CTX_get_error_depth(WOLFSSL_X509_STORE_CTX*);
  
  WOLFSSL_API char*       wolfSSL_X509_NAME_oneline(WOLFSSL_X509_NAME*, char*, int);
  WOLFSSL_API WOLFSSL_X509_NAME*  wolfSSL_X509_get_issuer_name(WOLFSSL_X509*);
  WOLFSSL_API WOLFSSL_X509_NAME*  wolfSSL_X509_get_subject_name(WOLFSSL_X509*);
  WOLFSSL_API int  wolfSSL_X509_ext_isSet_by_NID(WOLFSSL_X509*, int);
  WOLFSSL_API int  wolfSSL_X509_ext_get_critical_by_NID(WOLFSSL_X509*, int);
  WOLFSSL_API int  wolfSSL_X509_get_isCA(WOLFSSL_X509*);
  WOLFSSL_API int  wolfSSL_X509_get_isSet_pathLength(WOLFSSL_X509*);
  WOLFSSL_API unsigned int wolfSSL_X509_get_pathLength(WOLFSSL_X509*);
  WOLFSSL_API unsigned int wolfSSL_X509_get_keyUsage(WOLFSSL_X509*);
  WOLFSSL_API unsigned char* wolfSSL_X509_get_authorityKeyID(
                                              WOLFSSL_X509*, unsigned char*, int*);
  WOLFSSL_API unsigned char* wolfSSL_X509_get_subjectKeyID(
                                              WOLFSSL_X509*, unsigned char*, int*);
  WOLFSSL_API int wolfSSL_X509_NAME_entry_count(WOLFSSL_X509_NAME*);
  WOLFSSL_API int wolfSSL_X509_NAME_get_text_by_NID(
                                              WOLFSSL_X509_NAME*, int, char*, int);
  WOLFSSL_API int         wolfSSL_X509_verify_cert(WOLFSSL_X509_STORE_CTX*);
  WOLFSSL_API const char* wolfSSL_X509_verify_cert_error_string(long);
  WOLFSSL_API int wolfSSL_X509_get_signature_type(WOLFSSL_X509*);
  WOLFSSL_API int wolfSSL_X509_get_signature(WOLFSSL_X509*, unsigned char*, int*);
  
  WOLFSSL_API int wolfSSL_X509_LOOKUP_add_dir(WOLFSSL_X509_LOOKUP*,const char*,long);
  WOLFSSL_API int wolfSSL_X509_LOOKUP_load_file(WOLFSSL_X509_LOOKUP*, const char*,
                                              long);
  WOLFSSL_API WOLFSSL_X509_LOOKUP_METHOD* wolfSSL_X509_LOOKUP_hash_dir(void);
  WOLFSSL_API WOLFSSL_X509_LOOKUP_METHOD* wolfSSL_X509_LOOKUP_file(void);
  
  WOLFSSL_API WOLFSSL_X509_LOOKUP* wolfSSL_X509_STORE_add_lookup(WOLFSSL_X509_STORE*,
                                                      WOLFSSL_X509_LOOKUP_METHOD*);
  WOLFSSL_API WOLFSSL_X509_STORE*  wolfSSL_X509_STORE_new(void);
  WOLFSSL_API void         wolfSSL_X509_STORE_free(WOLFSSL_X509_STORE*);
  WOLFSSL_API int          wolfSSL_X509_STORE_add_cert(
                                                WOLFSSL_X509_STORE*, WOLFSSL_X509*);
  WOLFSSL_API int          wolfSSL_X509_STORE_set_default_paths(WOLFSSL_X509_STORE*);
  WOLFSSL_API int          wolfSSL_X509_STORE_get_by_subject(WOLFSSL_X509_STORE_CTX*,
                                     int, WOLFSSL_X509_NAME*, WOLFSSL_X509_OBJECT*);
  WOLFSSL_API WOLFSSL_X509_STORE_CTX* wolfSSL_X509_STORE_CTX_new(void);
  WOLFSSL_API int  wolfSSL_X509_STORE_CTX_init(WOLFSSL_X509_STORE_CTX*,
                        WOLFSSL_X509_STORE*, WOLFSSL_X509*, STACK_OF(WOLFSSL_X509)*);
  WOLFSSL_API void wolfSSL_X509_STORE_CTX_free(WOLFSSL_X509_STORE_CTX*);
  WOLFSSL_API void wolfSSL_X509_STORE_CTX_cleanup(WOLFSSL_X509_STORE_CTX*);
  
  WOLFSSL_API WOLFSSL_ASN1_TIME* wolfSSL_X509_CRL_get_lastUpdate(WOLFSSL_X509_CRL*);
  WOLFSSL_API WOLFSSL_ASN1_TIME* wolfSSL_X509_CRL_get_nextUpdate(WOLFSSL_X509_CRL*);
  
  WOLFSSL_API WOLFSSL_EVP_PKEY* wolfSSL_X509_get_pubkey(WOLFSSL_X509*);
  WOLFSSL_API int       wolfSSL_X509_CRL_verify(WOLFSSL_X509_CRL*, WOLFSSL_EVP_PKEY*);
  WOLFSSL_API void      wolfSSL_X509_STORE_CTX_set_error(WOLFSSL_X509_STORE_CTX*,
                                                       int);
  WOLFSSL_API void      wolfSSL_X509_OBJECT_free_contents(WOLFSSL_X509_OBJECT*);
  WOLFSSL_API void      wolfSSL_EVP_PKEY_free(WOLFSSL_EVP_PKEY*);
  WOLFSSL_API int       wolfSSL_X509_cmp_current_time(const WOLFSSL_ASN1_TIME*);
  WOLFSSL_API int       wolfSSL_sk_X509_REVOKED_num(WOLFSSL_X509_REVOKED*);
  
  WOLFSSL_API WOLFSSL_X509_REVOKED* wolfSSL_X509_CRL_get_REVOKED(WOLFSSL_X509_CRL*);
  WOLFSSL_API WOLFSSL_X509_REVOKED* wolfSSL_sk_X509_REVOKED_value(
                                                        WOLFSSL_X509_REVOKED*,int);
  WOLFSSL_API WOLFSSL_ASN1_INTEGER* wolfSSL_X509_get_serialNumber(WOLFSSL_X509*);
  
  WOLFSSL_API int wolfSSL_ASN1_TIME_print(WOLFSSL_BIO*, const WOLFSSL_ASN1_TIME*);
  
  WOLFSSL_API int  wolfSSL_ASN1_INTEGER_cmp(const WOLFSSL_ASN1_INTEGER*,
                                         const WOLFSSL_ASN1_INTEGER*);
  WOLFSSL_API long wolfSSL_ASN1_INTEGER_get(const WOLFSSL_ASN1_INTEGER*);
  
  WOLFSSL_API STACK_OF(WOLFSSL_X509_NAME)* wolfSSL_load_client_CA_file(const char*);
  
  WOLFSSL_API void  wolfSSL_CTX_set_client_CA_list(WOLFSSL_CTX*,
                                                 STACK_OF(WOLFSSL_X509_NAME)*);
  WOLFSSL_API void* wolfSSL_X509_STORE_CTX_get_ex_data(WOLFSSL_X509_STORE_CTX*, int);
  WOLFSSL_API int   wolfSSL_get_ex_data_X509_STORE_CTX_idx(void);
  WOLFSSL_API void* wolfSSL_get_ex_data(const WOLFSSL*, int);
  
  WOLFSSL_API void wolfSSL_CTX_set_default_passwd_cb_userdata(WOLFSSL_CTX*,
                                                            void* userdata);
  WOLFSSL_API void wolfSSL_CTX_set_default_passwd_cb(WOLFSSL_CTX*, pem_password_cb);
  
  
  WOLFSSL_API void wolfSSL_CTX_set_info_callback(WOLFSSL_CTX*,
                            void (*)(const WOLFSSL* ssl, int type, int val));
  
  WOLFSSL_API unsigned long wolfSSL_ERR_peek_error(void);
  WOLFSSL_API int           wolfSSL_GET_REASON(int);
  
  WOLFSSL_API char* wolfSSL_alert_type_string_long(int);
  WOLFSSL_API char* wolfSSL_alert_desc_string_long(int);
  WOLFSSL_API char* wolfSSL_state_string_long(const WOLFSSL*);
  
  WOLFSSL_API WOLFSSL_RSA* wolfSSL_RSA_generate_key(int, unsigned long,
                                                 void(*)(int, int, void*), void*);
  WOLFSSL_API void wolfSSL_CTX_set_tmp_rsa_callback(WOLFSSL_CTX*,
                                               WOLFSSL_RSA*(*)(WOLFSSL*, int, int));
  
  WOLFSSL_API int wolfSSL_PEM_def_callback(char*, int num, int w, void* key);
  
  WOLFSSL_API long wolfSSL_CTX_sess_accept(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_connect(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_accept_good(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_connect_good(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_accept_renegotiate(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_connect_renegotiate(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_hits(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_cb_hits(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_cache_full(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_misses(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_timeouts(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_number(WOLFSSL_CTX*);
  WOLFSSL_API long wolfSSL_CTX_sess_get_cache_size(WOLFSSL_CTX*);
  
  #define WOLFSSL_DEFAULT_CIPHER_LIST ""   /* default all */
  #define WOLFSSL_RSA_F4 0x10001L
  
  enum {
      OCSP_NOCERTS     = 1,
      OCSP_NOINTERN    = 2,
      OCSP_NOSIGS      = 4,
      OCSP_NOCHAIN     = 8,
      OCSP_NOVERIFY    = 16,
      OCSP_NOEXPLICIT  = 32,
      OCSP_NOCASIGN    = 64,
      OCSP_NODELEGATED = 128,
      OCSP_NOCHECKS    = 256,
      OCSP_TRUSTOTHER  = 512,
      OCSP_RESPID_KEY  = 1024,
      OCSP_NOTIME      = 2048,
  
      OCSP_CERTID   = 2,
      OCSP_REQUEST  = 4,
      OCSP_RESPONSE = 8,
      OCSP_BASICRESP = 16,
  
      WOLFSSL_OCSP_URL_OVERRIDE = 1,
      WOLFSSL_OCSP_NO_NONCE     = 2,
      WOLFSSL_OCSP_CHECKALL     = 4,
  
      WOLFSSL_CRL_CHECKALL = 1,
  
      ASN1_GENERALIZEDTIME = 4,
  
      SSL_OP_MICROSOFT_SESS_ID_BUG = 1,
      SSL_OP_NETSCAPE_CHALLENGE_BUG = 2,
      SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG = 3,
      SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG = 4,
      SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER = 5,
      SSL_OP_MSIE_SSLV2_RSA_PADDING = 6,
      SSL_OP_SSLEAY_080_CLIENT_DH_BUG = 7,
      SSL_OP_TLS_D5_BUG = 8,
      SSL_OP_TLS_BLOCK_PADDING_BUG = 9,
      SSL_OP_TLS_ROLLBACK_BUG = 10,
      SSL_OP_ALL = 11,
      SSL_OP_EPHEMERAL_RSA = 12,
      SSL_OP_NO_SSLv3 = 13,
      SSL_OP_NO_TLSv1 = 14,
      SSL_OP_PKCS1_CHECK_1 = 15,
      SSL_OP_PKCS1_CHECK_2 = 16,
      SSL_OP_NETSCAPE_CA_DN_BUG = 17,
      SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG = 18,
      SSL_OP_SINGLE_DH_USE = 19,
      SSL_OP_NO_TICKET = 20,
      SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS = 21,
      SSL_OP_NO_QUERY_MTU = 22,
      SSL_OP_COOKIE_EXCHANGE = 23,
      SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION = 24,
      SSL_OP_SINGLE_ECDH_USE = 25,
      SSL_OP_CIPHER_SERVER_PREFERENCE = 26,
  
      SSL_MAX_SSL_SESSION_ID_LENGTH = 32,
  
      EVP_R_BAD_DECRYPT = 2,
  
      SSL_CB_LOOP = 4,
      SSL_ST_CONNECT = 5,
      SSL_ST_ACCEPT  = 6,
      SSL_CB_ALERT   = 7,
      SSL_CB_READ    = 8,
      SSL_CB_HANDSHAKE_DONE = 9,
  
      SSL_MODE_ENABLE_PARTIAL_WRITE = 2,
  
      BIO_FLAGS_BASE64_NO_NL = 1,
      BIO_CLOSE   = 1,
      BIO_NOCLOSE = 0,
  
      NID_undef = 0,
  
      X509_FILETYPE_PEM = 8,
      X509_LU_X509      = 9,
      X509_LU_CRL       = 12,
  
      X509_V_ERR_CRL_SIGNATURE_FAILURE = 13,
      X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD = 14,
      X509_V_ERR_CRL_HAS_EXPIRED                = 15,
      X509_V_ERR_CERT_REVOKED                   = 16,
      X509_V_ERR_CERT_CHAIN_TOO_LONG            = 17,
      X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT      = 18,
      X509_V_ERR_CERT_NOT_YET_VALID             = 19,
      X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD = 20,
      X509_V_ERR_CERT_HAS_EXPIRED               = 21,
      X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD  = 22,
      X509_V_ERR_CERT_REJECTED                  = 23,
      X509_V_OK = 0,
  
      XN_FLAG_SPC_EQ  = (1 << 23),
      XN_FLAG_ONELINE = 0,
  
      CRYPTO_LOCK = 1,
      CRYPTO_NUM_LOCKS = 10,
  
      ASN1_STRFLGS_ESC_MSB = 4
  };
  
  /* extras end */
  
  #if !defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM)
  /* wolfSSL extension, provide last error from SSL_get_error
     since not using thread storage error queue */
  WOLFSSL_API void  wolfSSL_ERR_print_errors_fp(FILE*, int err);
  #endif
  
  enum { /* ssl Constants */
      SSL_ERROR_NONE      =  0,   /* for most functions */
      SSL_FAILURE         =  0,   /* for some functions */
      SSL_SUCCESS         =  1,
      SSL_SHUTDOWN_NOT_DONE =  2,  /* call wolfSSL_shutdown again to complete */
  
      SSL_ALPN_NOT_FOUND  = -9,
      SSL_BAD_CERTTYPE    = -8,
      SSL_BAD_STAT        = -7,
      SSL_BAD_PATH        = -6,
      SSL_BAD_FILETYPE    = -5,
      SSL_BAD_FILE        = -4,
      SSL_NOT_IMPLEMENTED = -3,
      SSL_UNKNOWN         = -2,
      SSL_FATAL_ERROR     = -1,
  
      SSL_FILETYPE_ASN1    = 2,
      SSL_FILETYPE_PEM     = 1,
      SSL_FILETYPE_DEFAULT = 2, /* ASN1 */
      SSL_FILETYPE_RAW     = 3, /* NTRU raw key blob */
  
      SSL_VERIFY_NONE                 = 0,
      SSL_VERIFY_PEER                 = 1,
      SSL_VERIFY_FAIL_IF_NO_PEER_CERT = 2,
      SSL_VERIFY_CLIENT_ONCE          = 4,
  
      SSL_SESS_CACHE_OFF                = 30,
      SSL_SESS_CACHE_CLIENT             = 31,
      SSL_SESS_CACHE_SERVER             = 32,
      SSL_SESS_CACHE_BOTH               = 33,
      SSL_SESS_CACHE_NO_AUTO_CLEAR      = 34,
      SSL_SESS_CACHE_NO_INTERNAL_LOOKUP = 35,
  
      SSL_ERROR_WANT_READ        =  2,
      SSL_ERROR_WANT_WRITE       =  3,
      SSL_ERROR_WANT_CONNECT     =  7,
      SSL_ERROR_WANT_ACCEPT      =  8,
      SSL_ERROR_SYSCALL          =  5,
      SSL_ERROR_WANT_X509_LOOKUP = 83,
      SSL_ERROR_ZERO_RETURN      =  6,
      SSL_ERROR_SSL              = 85,
  
      SSL_SENT_SHUTDOWN     = 1,
      SSL_RECEIVED_SHUTDOWN = 2,
      SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER = 4,
      SSL_OP_NO_SSLv2       = 8,
  
      SSL_R_SSL_HANDSHAKE_FAILURE           = 101,
      SSL_R_TLSV1_ALERT_UNKNOWN_CA          = 102,
      SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN = 103,
      SSL_R_SSLV3_ALERT_BAD_CERTIFICATE     = 104,
  
      PEM_BUFSIZE = 1024
  };
  
  
  #ifndef NO_PSK
      typedef unsigned int (*wc_psk_client_callback)(WOLFSSL*, const char*, char*,
                                      unsigned int, unsigned char*, unsigned int);
      WOLFSSL_API void wolfSSL_CTX_set_psk_client_callback(WOLFSSL_CTX*,
                                                      wc_psk_client_callback);
      WOLFSSL_API void wolfSSL_set_psk_client_callback(WOLFSSL*,
                                                      wc_psk_client_callback);
  
      WOLFSSL_API const char* wolfSSL_get_psk_identity_hint(const WOLFSSL*);
      WOLFSSL_API const char* wolfSSL_get_psk_identity(const WOLFSSL*);
  
      WOLFSSL_API int wolfSSL_CTX_use_psk_identity_hint(WOLFSSL_CTX*, const char*);
      WOLFSSL_API int wolfSSL_use_psk_identity_hint(WOLFSSL*, const char*);
  
      typedef unsigned int (*wc_psk_server_callback)(WOLFSSL*, const char*,
                            unsigned char*, unsigned int);
      WOLFSSL_API void wolfSSL_CTX_set_psk_server_callback(WOLFSSL_CTX*,
                                                      wc_psk_server_callback);
      WOLFSSL_API void wolfSSL_set_psk_server_callback(WOLFSSL*,
                                                      wc_psk_server_callback);
  
      #define PSK_TYPES_DEFINED
  #endif /* NO_PSK */
  
  
  #ifdef HAVE_ANON
      WOLFSSL_API int wolfSSL_CTX_allow_anon_cipher(WOLFSSL_CTX*);
  #endif /* HAVE_ANON */
  
  
  /* extra begins */
  
  enum {  /* ERR Constants */
      ERR_TXT_STRING = 1
  };
  
  WOLFSSL_API unsigned long wolfSSL_ERR_get_error_line_data(const char**, int*,
                                                   const char**, int *);
  
  WOLFSSL_API unsigned long wolfSSL_ERR_get_error(void);
  WOLFSSL_API void          wolfSSL_ERR_clear_error(void);
  
  
  WOLFSSL_API int  wolfSSL_RAND_status(void);
  WOLFSSL_API int  wolfSSL_RAND_bytes(unsigned char* buf, int num);
  WOLFSSL_API WOLFSSL_METHOD *wolfSSLv23_server_method(void);
  WOLFSSL_API long wolfSSL_CTX_set_options(WOLFSSL_CTX*, long);
  #ifndef NO_CERTS
    WOLFSSL_API int  wolfSSL_CTX_check_private_key(WOLFSSL_CTX*);
  #endif /* !NO_CERTS */
  
  WOLFSSL_API void wolfSSL_ERR_free_strings(void);
  WOLFSSL_API void wolfSSL_ERR_remove_state(unsigned long);
  WOLFSSL_API void wolfSSL_EVP_cleanup(void);
  WOLFSSL_API int  wolfSSL_clear(WOLFSSL* ssl);
  
  WOLFSSL_API void wolfSSL_cleanup_all_ex_data(void);
  WOLFSSL_API long wolfSSL_CTX_set_mode(WOLFSSL_CTX* ctx, long mode);
  WOLFSSL_API long wolfSSL_CTX_get_mode(WOLFSSL_CTX* ctx);
  WOLFSSL_API void wolfSSL_CTX_set_default_read_ahead(WOLFSSL_CTX* ctx, int m);
  WOLFSSL_API long wolfSSL_SSL_get_mode(WOLFSSL* ssl);
  
  WOLFSSL_API long wolfSSL_CTX_sess_set_cache_size(WOLFSSL_CTX*, long);
  
  WOLFSSL_API int  wolfSSL_CTX_set_default_verify_paths(WOLFSSL_CTX*);
  WOLFSSL_API int  wolfSSL_CTX_set_session_id_context(WOLFSSL_CTX*,
                                              const unsigned char*, unsigned int);
  WOLFSSL_API WOLFSSL_X509* wolfSSL_get_peer_certificate(WOLFSSL* ssl);
  
  WOLFSSL_API int wolfSSL_want_read(WOLFSSL*);
  WOLFSSL_API int wolfSSL_want_write(WOLFSSL*);
  
  WOLFSSL_API int wolfSSL_BIO_printf(WOLFSSL_BIO*, const char*, ...);
  WOLFSSL_API int wolfSSL_ASN1_UTCTIME_print(WOLFSSL_BIO*,
                                           const WOLFSSL_ASN1_UTCTIME*);
  WOLFSSL_API int   wolfSSL_sk_num(WOLFSSL_X509_REVOKED*);
  WOLFSSL_API void* wolfSSL_sk_value(WOLFSSL_X509_REVOKED*, int);
  
  /* stunnel 4.28 needs */
  WOLFSSL_API void* wolfSSL_CTX_get_ex_data(const WOLFSSL_CTX*, int);
  WOLFSSL_API int   wolfSSL_CTX_set_ex_data(WOLFSSL_CTX*, int, void*);
  WOLFSSL_API void  wolfSSL_CTX_sess_set_get_cb(WOLFSSL_CTX*,
                         WOLFSSL_SESSION*(*f)(WOLFSSL*, unsigned char*, int, int*));
  WOLFSSL_API void  wolfSSL_CTX_sess_set_new_cb(WOLFSSL_CTX*,
                                              int (*f)(WOLFSSL*, WOLFSSL_SESSION*));
  WOLFSSL_API void  wolfSSL_CTX_sess_set_remove_cb(WOLFSSL_CTX*,
                                         void (*f)(WOLFSSL_CTX*, WOLFSSL_SESSION*));
  
  WOLFSSL_API int          wolfSSL_i2d_SSL_SESSION(WOLFSSL_SESSION*,unsigned char**);
  WOLFSSL_API WOLFSSL_SESSION* wolfSSL_d2i_SSL_SESSION(WOLFSSL_SESSION**,
                                                     const unsigned char**, long);
  
  WOLFSSL_API long wolfSSL_SESSION_get_timeout(const WOLFSSL_SESSION*);
  WOLFSSL_API long wolfSSL_SESSION_get_time(const WOLFSSL_SESSION*);
  WOLFSSL_API int  wolfSSL_CTX_get_ex_new_index(long, void*, void*, void*, void*);
  
  /* extra ends */
  
  
  /* wolfSSL extensions */
  
  /* call before SSL_connect, if verifying will add name check to
     date check and signature check */
  WOLFSSL_API int wolfSSL_check_domain_name(WOLFSSL* ssl, const char* dn);
  
  /* need to call once to load library (session cache) */
  WOLFSSL_API int wolfSSL_Init(void);
  /* call when done to cleanup/free session cache mutex / resources  */
  WOLFSSL_API int wolfSSL_Cleanup(void);
  
  /* which library version do we have */
  WOLFSSL_API const char* wolfSSL_lib_version(void);
  /* which library version do we have in hex */
  WOLFSSL_API unsigned int wolfSSL_lib_version_hex(void);
  
  /* turn logging on, only if compiled in */
  WOLFSSL_API int  wolfSSL_Debugging_ON(void);
  /* turn logging off */
  WOLFSSL_API void wolfSSL_Debugging_OFF(void);
  
  /* do accept or connect depedning on side */
  WOLFSSL_API int wolfSSL_negotiate(WOLFSSL* ssl);
  /* turn on wolfSSL data compression */
  WOLFSSL_API int wolfSSL_set_compression(WOLFSSL* ssl);
  
  WOLFSSL_API int wolfSSL_set_timeout(WOLFSSL*, unsigned int);
  WOLFSSL_API int wolfSSL_CTX_set_timeout(WOLFSSL_CTX*, unsigned int);
  
  /* get wolfSSL peer X509_CHAIN */
  WOLFSSL_API WOLFSSL_X509_CHAIN* wolfSSL_get_peer_chain(WOLFSSL* ssl);
  /* peer chain count */
  WOLFSSL_API int  wolfSSL_get_chain_count(WOLFSSL_X509_CHAIN* chain);
  /* index cert length */
  WOLFSSL_API int  wolfSSL_get_chain_length(WOLFSSL_X509_CHAIN*, int idx);
  /* index cert */
  WOLFSSL_API unsigned char* wolfSSL_get_chain_cert(WOLFSSL_X509_CHAIN*, int idx);
  /* index cert in X509 */
  WOLFSSL_API WOLFSSL_X509* wolfSSL_get_chain_X509(WOLFSSL_X509_CHAIN*, int idx);
  /* free X509 */
  WOLFSSL_API void wolfSSL_FreeX509(WOLFSSL_X509*);
  /* get index cert in PEM */
  WOLFSSL_API int  wolfSSL_get_chain_cert_pem(WOLFSSL_X509_CHAIN*, int idx,
                                  unsigned char* buffer, int inLen, int* outLen);
  WOLFSSL_API const unsigned char* wolfSSL_get_sessionID(const WOLFSSL_SESSION* s);
  WOLFSSL_API int  wolfSSL_X509_get_serial_number(WOLFSSL_X509*,unsigned char*,int*);
  WOLFSSL_API char*  wolfSSL_X509_get_subjectCN(WOLFSSL_X509*);
  WOLFSSL_API const unsigned char* wolfSSL_X509_get_der(WOLFSSL_X509*, int*);
  WOLFSSL_API const unsigned char* wolfSSL_X509_notBefore(WOLFSSL_X509*);
  WOLFSSL_API const unsigned char* wolfSSL_X509_notAfter(WOLFSSL_X509*);
  WOLFSSL_API int wolfSSL_X509_version(WOLFSSL_X509*);
  
  WOLFSSL_API int wolfSSL_cmp_peer_cert_to_file(WOLFSSL*, const char*);
  
  WOLFSSL_API char* wolfSSL_X509_get_next_altname(WOLFSSL_X509*);
  
  WOLFSSL_API WOLFSSL_X509*
      wolfSSL_X509_d2i(WOLFSSL_X509** x509, const unsigned char* in, int len);
  #ifndef NO_FILESYSTEM
      #ifndef NO_STDIO_FILESYSTEM
      WOLFSSL_API WOLFSSL_X509*
          wolfSSL_X509_d2i_fp(WOLFSSL_X509** x509, FILE* file);
      #endif
  WOLFSSL_API WOLFSSL_X509*
      wolfSSL_X509_load_certificate_file(const char* fname, int format);
  #endif
  
  #ifdef WOLFSSL_SEP
      WOLFSSL_API unsigned char*
             wolfSSL_X509_get_device_type(WOLFSSL_X509*, unsigned char*, int*);
      WOLFSSL_API unsigned char*
             wolfSSL_X509_get_hw_type(WOLFSSL_X509*, unsigned char*, int*);
      WOLFSSL_API unsigned char*
             wolfSSL_X509_get_hw_serial_number(WOLFSSL_X509*, unsigned char*, int*);
  #endif
  
  /* connect enough to get peer cert */
  WOLFSSL_API int  wolfSSL_connect_cert(WOLFSSL* ssl);
  
  #ifndef NO_DH
  /* server Diffie-Hellman parameters */
  WOLFSSL_API int  wolfSSL_SetTmpDH(WOLFSSL*, const unsigned char* p, int pSz,
                                  const unsigned char* g, int gSz);
  WOLFSSL_API int  wolfSSL_SetTmpDH_buffer(WOLFSSL*, const unsigned char* b, long sz,
                                         int format);
  #ifndef NO_FILESYSTEM
      WOLFSSL_API int  wolfSSL_SetTmpDH_file(WOLFSSL*, const char* f, int format);
  #endif
  
  /* server ctx Diffie-Hellman parameters */
  WOLFSSL_API int  wolfSSL_CTX_SetTmpDH(WOLFSSL_CTX*, const unsigned char* p,
                                      int pSz, const unsigned char* g, int gSz);
  WOLFSSL_API int  wolfSSL_CTX_SetTmpDH_buffer(WOLFSSL_CTX*, const unsigned char* b,
                                             long sz, int format);
  
  #ifndef NO_FILESYSTEM
      WOLFSSL_API int  wolfSSL_CTX_SetTmpDH_file(WOLFSSL_CTX*, const char* f,
                                               int format);
  #endif
  
  WOLFSSL_API int wolfSSL_CTX_SetMinDhKey_Sz(WOLFSSL_CTX*, unsigned short);
  WOLFSSL_API int wolfSSL_SetMinDhKey_Sz(WOLFSSL*, unsigned short);
  WOLFSSL_API int wolfSSL_GetDhKey_Sz(WOLFSSL*);
  #endif /* NO_DH */
  
  WOLFSSL_API int  wolfSSL_SetTmpEC_DHE_Sz(WOLFSSL*, unsigned short);
  WOLFSSL_API int  wolfSSL_CTX_SetTmpEC_DHE_Sz(WOLFSSL_CTX*, unsigned short);
  
  /* keyblock size in bytes or -1 */
  /* need to call wolfSSL_KeepArrays before handshake to save keys */
  WOLFSSL_API int wolfSSL_get_keyblock_size(WOLFSSL*);
  WOLFSSL_API int wolfSSL_get_keys(WOLFSSL*,unsigned char** ms, unsigned int* msLen,
                                         unsigned char** sr, unsigned int* srLen,
                                         unsigned char** cr, unsigned int* crLen);
  
  /* Computes EAP-TLS and EAP-TTLS keying material from the master_secret. */
  WOLFSSL_API int wolfSSL_make_eap_keys(WOLFSSL*, void* key, unsigned int len,
                                                               const char* label);
  
  
  #ifndef _WIN32
      #ifndef NO_WRITEV
          #ifdef __PPU
              #include <sys/types.h>
              #include <sys/socket.h>
          #elif !defined(WOLFSSL_MDK_ARM) && !defined(WOLFSSL_IAR_ARM) && \
                !defined(WOLFSSL_PICOTCP) && !defined(WOLFSSL_ROWLEY_ARM)
              #include <sys/uio.h>
          #endif
          /* allow writev style writing */
          WOLFSSL_API int wolfSSL_writev(WOLFSSL* ssl, const struct iovec* iov,
                                       int iovcnt);
      #endif
  #endif
  
  
  #ifndef NO_CERTS
      /* SSL_CTX versions */
      WOLFSSL_API int wolfSSL_CTX_UnloadCAs(WOLFSSL_CTX*);
      WOLFSSL_API int wolfSSL_CTX_load_verify_buffer(WOLFSSL_CTX*,
                                                 const unsigned char*, long, int);
      WOLFSSL_API int wolfSSL_CTX_use_certificate_buffer(WOLFSSL_CTX*,
                                                 const unsigned char*, long, int);
      WOLFSSL_API int wolfSSL_CTX_use_PrivateKey_buffer(WOLFSSL_CTX*,
                                                 const unsigned char*, long, int);
      WOLFSSL_API int wolfSSL_CTX_use_certificate_chain_buffer(WOLFSSL_CTX*,
                                                      const unsigned char*, long);
  
      /* SSL versions */
      WOLFSSL_API int wolfSSL_use_certificate_buffer(WOLFSSL*, const unsigned char*,
                                                 long, int);
      WOLFSSL_API int wolfSSL_use_PrivateKey_buffer(WOLFSSL*, const unsigned char*,
                                                 long, int);
      WOLFSSL_API int wolfSSL_use_certificate_chain_buffer(WOLFSSL*,
                                                 const unsigned char*, long);
      WOLFSSL_API int wolfSSL_UnloadCertsKeys(WOLFSSL*);
  #endif
  
  WOLFSSL_API int wolfSSL_CTX_set_group_messages(WOLFSSL_CTX*);
  WOLFSSL_API int wolfSSL_set_group_messages(WOLFSSL*);
  
  /* I/O callbacks */
  typedef int (*CallbackIORecv)(WOLFSSL *ssl, char *buf, int sz, void *ctx);
  typedef int (*CallbackIOSend)(WOLFSSL *ssl, char *buf, int sz, void *ctx);
  
  #ifdef HAVE_FUZZER
  enum fuzzer_type {
      FUZZ_HMAC      = 0,
      FUZZ_ENCRYPT   = 1,
      FUZZ_SIGNATURE = 2,
      FUZZ_HASH      = 3,
      FUZZ_HEAD      = 4
  };
  
  typedef int (*CallbackFuzzer)(WOLFSSL* ssl, const unsigned char* buf, int sz,
          int type, void* fuzzCtx);
  
  WOLFSSL_API void wolfSSL_SetFuzzerCb(WOLFSSL* ssl, CallbackFuzzer cbf, void* fCtx);
  #endif
  
  WOLFSSL_API void wolfSSL_SetIORecv(WOLFSSL_CTX*, CallbackIORecv);
  WOLFSSL_API void wolfSSL_SetIOSend(WOLFSSL_CTX*, CallbackIOSend);
  
  WOLFSSL_API void wolfSSL_SetIOReadCtx( WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void wolfSSL_SetIOWriteCtx(WOLFSSL* ssl, void *ctx);
  
  WOLFSSL_API void* wolfSSL_GetIOReadCtx( WOLFSSL* ssl);
  WOLFSSL_API void* wolfSSL_GetIOWriteCtx(WOLFSSL* ssl);
  
  WOLFSSL_API void wolfSSL_SetIOReadFlags( WOLFSSL* ssl, int flags);
  WOLFSSL_API void wolfSSL_SetIOWriteFlags(WOLFSSL* ssl, int flags);
  
  
  #ifndef WOLFSSL_USER_IO
      /* default IO callbacks */
      WOLFSSL_API int EmbedReceive(WOLFSSL* ssl, char* buf, int sz, void* ctx);
      WOLFSSL_API int EmbedSend(WOLFSSL* ssl, char* buf, int sz, void* ctx);
  
      #ifdef HAVE_OCSP
          WOLFSSL_API int EmbedOcspLookup(void*, const char*, int, unsigned char*,
                                         int, unsigned char**);
          WOLFSSL_API void EmbedOcspRespFree(void*, unsigned char*);
      #endif
  
      #ifdef WOLFSSL_DTLS
          WOLFSSL_API int EmbedReceiveFrom(WOLFSSL* ssl, char* buf, int sz, void*);
          WOLFSSL_API int EmbedSendTo(WOLFSSL* ssl, char* buf, int sz, void* ctx);
          WOLFSSL_API int EmbedGenerateCookie(WOLFSSL* ssl, unsigned char* buf,
                                             int sz, void*);
      #endif /* WOLFSSL_DTLS */
  #endif /* WOLFSSL_USER_IO */
  
  
  #ifdef HAVE_NETX
      WOLFSSL_API void wolfSSL_SetIO_NetX(WOLFSSL* ssl, NX_TCP_SOCKET* nxsocket,
                                        ULONG waitoption);
  #endif
  
  typedef int (*CallbackGenCookie)(WOLFSSL* ssl, unsigned char* buf, int sz,
                                   void* ctx);
  WOLFSSL_API void  wolfSSL_CTX_SetGenCookie(WOLFSSL_CTX*, CallbackGenCookie);
  WOLFSSL_API void  wolfSSL_SetCookieCtx(WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void* wolfSSL_GetCookieCtx(WOLFSSL* ssl);
  WOLFSSL_API int   wolfSSL_DTLS_SetCookieSecret(WOLFSSL*,
                                                 const unsigned char*,
                                                 unsigned int);
  
  
  /* I/O Callback default errors */
  enum IOerrors {
      WOLFSSL_CBIO_ERR_GENERAL    = -1,     /* general unexpected err */
      WOLFSSL_CBIO_ERR_WANT_READ  = -2,     /* need to call read  again */
      WOLFSSL_CBIO_ERR_WANT_WRITE = -2,     /* need to call write again */
      WOLFSSL_CBIO_ERR_CONN_RST   = -3,     /* connection reset */
      WOLFSSL_CBIO_ERR_ISR        = -4,     /* interrupt */
      WOLFSSL_CBIO_ERR_CONN_CLOSE = -5,     /* connection closed or epipe */
      WOLFSSL_CBIO_ERR_TIMEOUT    = -6      /* socket timeout */
  };
  
  
  /* CA cache callbacks */
  enum {
      WOLFSSL_SSLV3    = 0,
      WOLFSSL_TLSV1    = 1,
      WOLFSSL_TLSV1_1  = 2,
      WOLFSSL_TLSV1_2  = 3,
      WOLFSSL_USER_CA  = 1,          /* user added as trusted */
      WOLFSSL_CHAIN_CA = 2           /* added to cache from trusted chain */
  };
  
  WOLFSSL_API int wolfSSL_CTX_SetMinVersion(WOLFSSL_CTX* ctx, int version);
  WOLFSSL_API int wolfSSL_SetMinVersion(WOLFSSL* ssl, int version);
  WOLFSSL_API int wolfSSL_GetObjectSize(void);  /* object size based on build */
  WOLFSSL_API int wolfSSL_SetVersion(WOLFSSL* ssl, int version);
  WOLFSSL_API int wolfSSL_KeyPemToDer(const unsigned char*, int,
                                      unsigned char*, int, const char*);
  WOLFSSL_API int wolfSSL_CertPemToDer(const unsigned char*, int,
                                       unsigned char*, int, int);
  #ifdef WOLFSSL_CERT_EXT
      #ifndef WOLFSSL_PEMPUBKEY_TODER_DEFINED
          WOLFSSL_API int wolfSSL_PemPubKeyToDer(const char* fileName,
                                                 unsigned char* derBuf, int derSz);
          WOLFSSL_API int wolfSSL_PubKeyPemToDer(const unsigned char*, int,
                                                 unsigned char*, int);
      #define WOLFSSL_PEMPUBKEY_TODER_DEFINED
      #endif
  #endif /* WOLFSSL_CERT_EXT */
  
  typedef void (*CallbackCACache)(unsigned char* der, int sz, int type);
  typedef void (*CbMissingCRL)(const char* url);
  typedef int  (*CbOCSPIO)(void*, const char*, int,
                                           unsigned char*, int, unsigned char**);
  typedef void (*CbOCSPRespFree)(void*,unsigned char*);
  
  /* User Atomic Record Layer CallBacks */
  typedef int (*CallbackMacEncrypt)(WOLFSSL* ssl, unsigned char* macOut,
         const unsigned char* macIn, unsigned int macInSz, int macContent,
         int macVerify, unsigned char* encOut, const unsigned char* encIn,
         unsigned int encSz, void* ctx);
  WOLFSSL_API void  wolfSSL_CTX_SetMacEncryptCb(WOLFSSL_CTX*, CallbackMacEncrypt);
  WOLFSSL_API void  wolfSSL_SetMacEncryptCtx(WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void* wolfSSL_GetMacEncryptCtx(WOLFSSL* ssl);
  
  typedef int (*CallbackDecryptVerify)(WOLFSSL* ssl,
         unsigned char* decOut, const unsigned char* decIn,
         unsigned int decSz, int content, int verify, unsigned int* padSz,
         void* ctx);
  WOLFSSL_API void  wolfSSL_CTX_SetDecryptVerifyCb(WOLFSSL_CTX*,
                                                 CallbackDecryptVerify);
  WOLFSSL_API void  wolfSSL_SetDecryptVerifyCtx(WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void* wolfSSL_GetDecryptVerifyCtx(WOLFSSL* ssl);
  
  WOLFSSL_API const unsigned char* wolfSSL_GetMacSecret(WOLFSSL*, int);
  WOLFSSL_API const unsigned char* wolfSSL_GetClientWriteKey(WOLFSSL*);
  WOLFSSL_API const unsigned char* wolfSSL_GetClientWriteIV(WOLFSSL*);
  WOLFSSL_API const unsigned char* wolfSSL_GetServerWriteKey(WOLFSSL*);
  WOLFSSL_API const unsigned char* wolfSSL_GetServerWriteIV(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_GetKeySize(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_GetIVSize(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_GetSide(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_IsTLSv1_1(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_GetBulkCipher(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_GetCipherBlockSize(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_GetAeadMacSize(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_GetHmacSize(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_GetHmacType(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_GetCipherType(WOLFSSL*);
  WOLFSSL_API int                  wolfSSL_SetTlsHmacInner(WOLFSSL*, unsigned char*,
                                                         unsigned int, int, int);
  
  /* Atomic User Needs */
  enum {
      WOLFSSL_SERVER_END = 0,
      WOLFSSL_CLIENT_END = 1,
      WOLFSSL_BLOCK_TYPE = 2,
      WOLFSSL_STREAM_TYPE = 3,
      WOLFSSL_AEAD_TYPE = 4,
      WOLFSSL_TLS_HMAC_INNER_SZ = 13      /* SEQ_SZ + ENUM + VERSION_SZ + LEN_SZ */
  };
  
  /* for GetBulkCipher and internal use */
  enum BulkCipherAlgorithm {
      wolfssl_cipher_null,
      wolfssl_rc4,
      wolfssl_rc2,
      wolfssl_des,
      wolfssl_triple_des,             /* leading 3 (3des) not valid identifier */
      wolfssl_des40,
      wolfssl_idea,
      wolfssl_aes,
      wolfssl_aes_gcm,
      wolfssl_aes_ccm,
      wolfssl_chacha,
      wolfssl_camellia,
      wolfssl_hc128,                  /* wolfSSL extensions */
      wolfssl_rabbit
  };
  
  
  /* for KDF TLS 1.2 mac types */
  enum KDF_MacAlgorithm {
      wolfssl_sha256 = 4,     /* needs to match internal MACAlgorithm */
      wolfssl_sha384,
      wolfssl_sha512
  };
  
  
  /* Public Key Callback support */
  typedef int (*CallbackEccSign)(WOLFSSL* ssl,
         const unsigned char* in, unsigned int inSz,
         unsigned char* out, unsigned int* outSz,
         const unsigned char* keyDer, unsigned int keySz,
         void* ctx);
  WOLFSSL_API void  wolfSSL_CTX_SetEccSignCb(WOLFSSL_CTX*, CallbackEccSign);
  WOLFSSL_API void  wolfSSL_SetEccSignCtx(WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void* wolfSSL_GetEccSignCtx(WOLFSSL* ssl);
  
  typedef int (*CallbackEccVerify)(WOLFSSL* ssl,
         const unsigned char* sig, unsigned int sigSz,
         const unsigned char* hash, unsigned int hashSz,
         const unsigned char* keyDer, unsigned int keySz,
         int* result, void* ctx);
  WOLFSSL_API void  wolfSSL_CTX_SetEccVerifyCb(WOLFSSL_CTX*, CallbackEccVerify);
  WOLFSSL_API void  wolfSSL_SetEccVerifyCtx(WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void* wolfSSL_GetEccVerifyCtx(WOLFSSL* ssl);
  
  typedef int (*CallbackRsaSign)(WOLFSSL* ssl,
         const unsigned char* in, unsigned int inSz,
         unsigned char* out, unsigned int* outSz,
         const unsigned char* keyDer, unsigned int keySz,
         void* ctx);
  WOLFSSL_API void  wolfSSL_CTX_SetRsaSignCb(WOLFSSL_CTX*, CallbackRsaSign);
  WOLFSSL_API void  wolfSSL_SetRsaSignCtx(WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void* wolfSSL_GetRsaSignCtx(WOLFSSL* ssl);
  
  typedef int (*CallbackRsaVerify)(WOLFSSL* ssl,
         unsigned char* sig, unsigned int sigSz,
         unsigned char** out,
         const unsigned char* keyDer, unsigned int keySz,
         void* ctx);
  WOLFSSL_API void  wolfSSL_CTX_SetRsaVerifyCb(WOLFSSL_CTX*, CallbackRsaVerify);
  WOLFSSL_API void  wolfSSL_SetRsaVerifyCtx(WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void* wolfSSL_GetRsaVerifyCtx(WOLFSSL* ssl);
  
  /* RSA Public Encrypt cb */
  typedef int (*CallbackRsaEnc)(WOLFSSL* ssl,
         const unsigned char* in, unsigned int inSz,
         unsigned char* out, unsigned int* outSz,
         const unsigned char* keyDer, unsigned int keySz,
         void* ctx);
  WOLFSSL_API void  wolfSSL_CTX_SetRsaEncCb(WOLFSSL_CTX*, CallbackRsaEnc);
  WOLFSSL_API void  wolfSSL_SetRsaEncCtx(WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void* wolfSSL_GetRsaEncCtx(WOLFSSL* ssl);
  
  /* RSA Private Decrypt cb */
  typedef int (*CallbackRsaDec)(WOLFSSL* ssl,
         unsigned char* in, unsigned int inSz,
         unsigned char** out,
         const unsigned char* keyDer, unsigned int keySz,
         void* ctx);
  WOLFSSL_API void  wolfSSL_CTX_SetRsaDecCb(WOLFSSL_CTX*, CallbackRsaDec);
  WOLFSSL_API void  wolfSSL_SetRsaDecCtx(WOLFSSL* ssl, void *ctx);
  WOLFSSL_API void* wolfSSL_GetRsaDecCtx(WOLFSSL* ssl);
  
  
  #ifndef NO_CERTS
      WOLFSSL_API void wolfSSL_CTX_SetCACb(WOLFSSL_CTX*, CallbackCACache);
  
      WOLFSSL_API WOLFSSL_CERT_MANAGER* wolfSSL_CertManagerNew(void);
      WOLFSSL_API void wolfSSL_CertManagerFree(WOLFSSL_CERT_MANAGER*);
  
      WOLFSSL_API int wolfSSL_CertManagerLoadCA(WOLFSSL_CERT_MANAGER*, const char* f,
                                                                   const char* d);
      WOLFSSL_API int wolfSSL_CertManagerLoadCABuffer(WOLFSSL_CERT_MANAGER*,
                                    const unsigned char* in, long sz, int format);
      WOLFSSL_API int wolfSSL_CertManagerUnloadCAs(WOLFSSL_CERT_MANAGER* cm);
      WOLFSSL_API int wolfSSL_CertManagerVerify(WOLFSSL_CERT_MANAGER*, const char* f,
                                                                      int format);
      WOLFSSL_API int wolfSSL_CertManagerVerifyBuffer(WOLFSSL_CERT_MANAGER* cm,
                                  const unsigned char* buff, long sz, int format);
      WOLFSSL_API int wolfSSL_CertManagerCheckCRL(WOLFSSL_CERT_MANAGER*,
                                                          unsigned char*, int sz);
      WOLFSSL_API int wolfSSL_CertManagerEnableCRL(WOLFSSL_CERT_MANAGER*,
                                                                     int options);
      WOLFSSL_API int wolfSSL_CertManagerDisableCRL(WOLFSSL_CERT_MANAGER*);
      WOLFSSL_API int wolfSSL_CertManagerLoadCRL(WOLFSSL_CERT_MANAGER*,
                                                           const char*, int, int);
      WOLFSSL_API int wolfSSL_CertManagerLoadCRLBuffer(WOLFSSL_CERT_MANAGER*,
                                              const unsigned char*, long sz, int);
      WOLFSSL_API int wolfSSL_CertManagerSetCRL_Cb(WOLFSSL_CERT_MANAGER*,
                                                                    CbMissingCRL);
      WOLFSSL_API int wolfSSL_CertManagerCheckOCSP(WOLFSSL_CERT_MANAGER*,
                                                          unsigned char*, int sz);
      WOLFSSL_API int wolfSSL_CertManagerEnableOCSP(WOLFSSL_CERT_MANAGER*,
                                                                     int options);
      WOLFSSL_API int wolfSSL_CertManagerDisableOCSP(WOLFSSL_CERT_MANAGER*);
      WOLFSSL_API int wolfSSL_CertManagerSetOCSPOverrideURL(WOLFSSL_CERT_MANAGER*,
                                                                     const char*);
      WOLFSSL_API int wolfSSL_CertManagerSetOCSP_Cb(WOLFSSL_CERT_MANAGER*,
                                                 CbOCSPIO, CbOCSPRespFree, void*);
  
      WOLFSSL_API int wolfSSL_EnableCRL(WOLFSSL* ssl, int options);
      WOLFSSL_API int wolfSSL_DisableCRL(WOLFSSL* ssl);
      WOLFSSL_API int wolfSSL_LoadCRL(WOLFSSL*, const char*, int, int);
      WOLFSSL_API int wolfSSL_SetCRL_Cb(WOLFSSL*, CbMissingCRL);
      WOLFSSL_API int wolfSSL_EnableOCSP(WOLFSSL*, int options);
      WOLFSSL_API int wolfSSL_DisableOCSP(WOLFSSL*);
      WOLFSSL_API int wolfSSL_SetOCSP_OverrideURL(WOLFSSL*, const char*);
      WOLFSSL_API int wolfSSL_SetOCSP_Cb(WOLFSSL*, CbOCSPIO, CbOCSPRespFree, void*);
  
      WOLFSSL_API int wolfSSL_CTX_EnableCRL(WOLFSSL_CTX* ctx, int options);
      WOLFSSL_API int wolfSSL_CTX_DisableCRL(WOLFSSL_CTX* ctx);
      WOLFSSL_API int wolfSSL_CTX_LoadCRL(WOLFSSL_CTX*, const char*, int, int);
      WOLFSSL_API int wolfSSL_CTX_SetCRL_Cb(WOLFSSL_CTX*, CbMissingCRL);
      WOLFSSL_API int wolfSSL_CTX_EnableOCSP(WOLFSSL_CTX*, int options);
      WOLFSSL_API int wolfSSL_CTX_DisableOCSP(WOLFSSL_CTX*);
      WOLFSSL_API int wolfSSL_CTX_SetOCSP_OverrideURL(WOLFSSL_CTX*, const char*);
      WOLFSSL_API int wolfSSL_CTX_SetOCSP_Cb(WOLFSSL_CTX*,
                                                 CbOCSPIO, CbOCSPRespFree, void*);
  #endif /* !NO_CERTS */
  
  /* end of handshake frees temporary arrays, if user needs for get_keys or
     psk hints, call KeepArrays before handshake and then FreeArrays when done
     if don't want to wait for object free */
  WOLFSSL_API void wolfSSL_KeepArrays(WOLFSSL*);
  WOLFSSL_API void wolfSSL_FreeArrays(WOLFSSL*);
  
  
  /* cavium additions */
  WOLFSSL_API int wolfSSL_UseCavium(WOLFSSL*, int devId);
  WOLFSSL_API int wolfSSL_CTX_UseCavium(WOLFSSL_CTX*, int devId);
  
  /* TLS Extensions */
  
  /* Server Name Indication */
  #ifdef HAVE_SNI
  
  /* SNI types */
  enum {
      WOLFSSL_SNI_HOST_NAME = 0
  };
  
  WOLFSSL_API int wolfSSL_UseSNI(WOLFSSL* ssl, unsigned char type,
                                           const void* data, unsigned short size);
  WOLFSSL_API int wolfSSL_CTX_UseSNI(WOLFSSL_CTX* ctx, unsigned char type,
                                           const void* data, unsigned short size);
  
  #ifndef NO_WOLFSSL_SERVER
  
  /* SNI options */
  enum {
      /* Do not abort the handshake if the requested SNI didn't match. */
      WOLFSSL_SNI_CONTINUE_ON_MISMATCH = 0x01,
  
      /* Behave as if the requested SNI matched in a case of missmatch.  */
      /* In this case, the status will be set to WOLFSSL_SNI_FAKE_MATCH. */
      WOLFSSL_SNI_ANSWER_ON_MISMATCH   = 0x02,
  
      /* Abort the handshake if the client didn't send a SNI request. */
      WOLFSSL_SNI_ABORT_ON_ABSENCE     = 0x04,
  };
  
  WOLFSSL_API void wolfSSL_SNI_SetOptions(WOLFSSL* ssl, unsigned char type,
                                                           unsigned char options);
  WOLFSSL_API void wolfSSL_CTX_SNI_SetOptions(WOLFSSL_CTX* ctx,
                                       unsigned char type, unsigned char options);
  
  /* SNI status */
  enum {
      WOLFSSL_SNI_NO_MATCH   = 0,
      WOLFSSL_SNI_FAKE_MATCH = 1, /**< @see WOLFSSL_SNI_ANSWER_ON_MISMATCH */
      WOLFSSL_SNI_REAL_MATCH = 2,
      WOLFSSL_SNI_FORCE_KEEP = 3  /** Used with -DWOLFSSL_ALWAYS_KEEP_SNI */
  };
  
  WOLFSSL_API unsigned char wolfSSL_SNI_Status(WOLFSSL* ssl, unsigned char type);
  
  WOLFSSL_API unsigned short wolfSSL_SNI_GetRequest(WOLFSSL *ssl,
                                                 unsigned char type, void** data);
  WOLFSSL_API int wolfSSL_SNI_GetFromBuffer(
                   const unsigned char* clientHello, unsigned int helloSz,
                   unsigned char type, unsigned char* sni, unsigned int* inOutSz);
  
  #endif
  #endif
  
  /* Application-Layer Protocol Name */
  #ifdef HAVE_ALPN
  
  /* ALPN status code */
  enum {
      WOLFSSL_ALPN_NO_MATCH = 0,
      WOLFSSL_ALPN_MATCH    = 1,
      WOLFSSL_ALPN_CONTINUE_ON_MISMATCH = 2,
      WOLFSSL_ALPN_FAILED_ON_MISMATCH = 4,
  };
  
  enum {
      WOLFSSL_MAX_ALPN_PROTO_NAME_LEN = 255,
      WOLFSSL_MAX_ALPN_NUMBER = 257
  };
  
  WOLFSSL_API int wolfSSL_UseALPN(WOLFSSL* ssl, char *protocol_name_list,
                                  unsigned int protocol_name_listSz,
                                  unsigned char options);
  
  WOLFSSL_API int wolfSSL_ALPN_GetProtocol(WOLFSSL* ssl, char **protocol_name,
                                           unsigned short *size);
  
  WOLFSSL_API int wolfSSL_ALPN_GetPeerProtocol(WOLFSSL* ssl, char **list,
                                               unsigned short *listSz);
  #endif /* HAVE_ALPN */
  
  /* Maximum Fragment Length */
  #ifdef HAVE_MAX_FRAGMENT
  
  /* Fragment lengths */
  enum {
      WOLFSSL_MFL_2_9  = 1, /*  512 bytes */
      WOLFSSL_MFL_2_10 = 2, /* 1024 bytes */
      WOLFSSL_MFL_2_11 = 3, /* 2048 bytes */
      WOLFSSL_MFL_2_12 = 4, /* 4096 bytes */
      WOLFSSL_MFL_2_13 = 5  /* 8192 bytes *//* wolfSSL ONLY!!! */
  };
  
  #ifndef NO_WOLFSSL_CLIENT
  
  WOLFSSL_API int wolfSSL_UseMaxFragment(WOLFSSL* ssl, unsigned char mfl);
  WOLFSSL_API int wolfSSL_CTX_UseMaxFragment(WOLFSSL_CTX* ctx, unsigned char mfl);
  
  #endif
  #endif
  
  /* Truncated HMAC */
  #ifdef HAVE_TRUNCATED_HMAC
  #ifndef NO_WOLFSSL_CLIENT
  
  WOLFSSL_API int wolfSSL_UseTruncatedHMAC(WOLFSSL* ssl);
  WOLFSSL_API int wolfSSL_CTX_UseTruncatedHMAC(WOLFSSL_CTX* ctx);
  
  #endif
  #endif
  
  /* Elliptic Curves */
  enum {
      WOLFSSL_ECC_SECP160R1 = 0x10,
      WOLFSSL_ECC_SECP192R1 = 0x13,
      WOLFSSL_ECC_SECP224R1 = 0x15,
      WOLFSSL_ECC_SECP256R1 = 0x17,
      WOLFSSL_ECC_SECP384R1 = 0x18,
      WOLFSSL_ECC_SECP521R1 = 0x19
  };
  
  #ifdef HAVE_SUPPORTED_CURVES
  #ifndef NO_WOLFSSL_CLIENT
  
  WOLFSSL_API int wolfSSL_UseSupportedCurve(WOLFSSL* ssl, unsigned short name);
  WOLFSSL_API int wolfSSL_CTX_UseSupportedCurve(WOLFSSL_CTX* ctx,
                                                             unsigned short name);
  
  #endif
  #endif
  
  
  /* Secure Renegotiation */
  #ifdef HAVE_SECURE_RENEGOTIATION
  
  WOLFSSL_API int wolfSSL_UseSecureRenegotiation(WOLFSSL* ssl);
  WOLFSSL_API int wolfSSL_Rehandshake(WOLFSSL* ssl);
  
  #endif
  
  /* Session Ticket */
  #ifdef HAVE_SESSION_TICKET
  
  #ifndef NO_WOLFSSL_CLIENT
  WOLFSSL_API int wolfSSL_UseSessionTicket(WOLFSSL* ssl);
  WOLFSSL_API int wolfSSL_CTX_UseSessionTicket(WOLFSSL_CTX* ctx);
  WOLFSSL_API int wolfSSL_get_SessionTicket(WOLFSSL*, unsigned char*, unsigned int*);
  WOLFSSL_API int wolfSSL_set_SessionTicket(WOLFSSL*, unsigned char*, unsigned int);
  typedef int (*CallbackSessionTicket)(WOLFSSL*, const unsigned char*, int, void*);
  WOLFSSL_API int wolfSSL_set_SessionTicket_cb(WOLFSSL*,
                                                    CallbackSessionTicket, void*);
  #endif /* NO_WOLFSSL_CLIENT */
  
  #ifndef NO_WOLFSSL_SERVER
  
  #define WOLFSSL_TICKET_NAME_SZ 16
  #define WOLFSSL_TICKET_IV_SZ   16
  #define WOLFSSL_TICKET_MAC_SZ  32
  
  enum TicketEncRet {
      WOLFSSL_TICKET_RET_FATAL  = -1,  /* fatal error, don't use ticket */
      WOLFSSL_TICKET_RET_OK     =  0,  /* ok, use ticket */
      WOLFSSL_TICKET_RET_REJECT,       /* don't use ticket, but not fatal */
      WOLFSSL_TICKET_RET_CREATE        /* existing ticket ok and create new one */
  };
  
  typedef int (*SessionTicketEncCb)(WOLFSSL*,
                                   unsigned char key_name[WOLFSSL_TICKET_NAME_SZ],
                                   unsigned char iv[WOLFSSL_TICKET_IV_SZ],
                                   unsigned char mac[WOLFSSL_TICKET_MAC_SZ],
                                   int enc, unsigned char*, int, int*, void*);
  WOLFSSL_API int wolfSSL_CTX_set_TicketEncCb(WOLFSSL_CTX* ctx,
                                              SessionTicketEncCb);
  WOLFSSL_API int wolfSSL_CTX_set_TicketHint(WOLFSSL_CTX* ctx, int);
  WOLFSSL_API int wolfSSL_CTX_set_TicketEncCtx(WOLFSSL_CTX* ctx, void*);
  
  #endif /* NO_WOLFSSL_SERVER */
  
  #endif /* HAVE_SESSION_TICKET */
  
  #ifdef HAVE_QSH
  /* Quantum-safe Crypto Schemes */
  enum {
      WOLFSSL_NTRU_EESS439 = 0x0101, /* max plaintext length of 65  */
      WOLFSSL_NTRU_EESS593 = 0x0102, /* max plaintext length of 86  */
      WOLFSSL_NTRU_EESS743 = 0x0103, /* max plaintext length of 106 */
      WOLFSSL_LWE_XXX  = 0x0201,     /* Learning With Error encryption scheme */
      WOLFSSL_HFE_XXX  = 0x0301,     /* Hidden Field Equotion scheme */
      WOLFSSL_NULL_QSH = 0xFFFF      /* QSHScheme is not used */
  };
  
  
  /* test if the connection is using a QSH secure connection return 1 if so */
  WOLFSSL_API int wolfSSL_isQSH(WOLFSSL* ssl);
  WOLFSSL_API int wolfSSL_UseSupportedQSH(WOLFSSL* ssl, unsigned short name);
  #ifndef NO_WOLFSSL_CLIENT
      /* user control over sending client public key in hello
         when flag = 1 will send keys if flag is 0 or function is not called
         then will not send keys in the hello extension */
      WOLFSSL_API int wolfSSL_UseClientQSHKeys(WOLFSSL* ssl, unsigned char flag);
  #endif
  #endif
  
  #define WOLFSSL_CRL_MONITOR   0x01   /* monitor this dir flag */
  #define WOLFSSL_CRL_START_MON 0x02   /* start monitoring flag */
  
  
  /* notify user the hanshake is done */
  typedef int (*HandShakeDoneCb)(WOLFSSL*, void*);
  WOLFSSL_API int wolfSSL_SetHsDoneCb(WOLFSSL*, HandShakeDoneCb, void*);
  
  
  WOLFSSL_API int wolfSSL_PrintSessionStats(void);
  WOLFSSL_API int wolfSSL_get_session_stats(unsigned int* active,
                                            unsigned int* total,
                                            unsigned int* peak,
                                            unsigned int* maxSessions);
  /* External facing KDF */
  WOLFSSL_API
  int wolfSSL_MakeTlsMasterSecret(unsigned char* ms, unsigned int msLen,
                                 const unsigned char* pms, unsigned int pmsLen,
                                 const unsigned char* cr, const unsigned char* sr,
                                 int tls1_2, int hash_type);
  
  WOLFSSL_API
  int wolfSSL_DeriveTlsKeys(unsigned char* key_data, unsigned int keyLen,
                                 const unsigned char* ms, unsigned int msLen,
                                 const unsigned char* sr, const unsigned char* cr,
                                 int tls1_2, int hash_type);
  
  #ifdef WOLFSSL_CALLBACKS
  
  /* used internally by wolfSSL while OpenSSL types aren't */
  #include <wolfssl/callbacks.h>
  
  typedef int (*HandShakeCallBack)(HandShakeInfo*);
  typedef int (*TimeoutCallBack)(TimeoutInfo*);
  
  /* wolfSSL connect extension allowing HandShakeCallBack and/or TimeoutCallBack
     for diagnostics */
  WOLFSSL_API int wolfSSL_connect_ex(WOLFSSL*, HandShakeCallBack, TimeoutCallBack,
                                   Timeval);
  WOLFSSL_API int wolfSSL_accept_ex(WOLFSSL*, HandShakeCallBack, TimeoutCallBack,
                                  Timeval);
  
  #endif /* WOLFSSL_CALLBACKS */
  
  
  #ifdef WOLFSSL_HAVE_WOLFSCEP
      WOLFSSL_API void wolfSSL_wolfSCEP(void);
  #endif /* WOLFSSL_HAVE_WOLFSCEP */
  
  #ifdef WOLFSSL_HAVE_CERT_SERVICE
      WOLFSSL_API void wolfSSL_cert_service(void);
  #endif
  
  
  #ifdef OPENSSL_EXTRA /*lighttp compatibility */
  #ifdef HAVE_LIGHTY
  
  typedef struct WOLFSSL_X509_NAME_ENTRY {
      WOLFSSL_ASN1_OBJECT* object;
      WOLFSSL_ASN1_STRING* value;
      int set;
      int size;
  } WOLFSSL_X509_NAME_ENTRY;
  
  
  #include <wolfssl/openssl/dh.h>
  #include <wolfssl/openssl/asn1.h>
  
  WOLFSSL_API void wolfSSL_X509_NAME_free(WOLFSSL_X509_NAME *name);
  WOLFSSL_API char wolfSSL_CTX_use_certificate(WOLFSSL_CTX *ctx, WOLFSSL_X509 *x);
  WOLFSSL_API int wolfSSL_CTX_use_PrivateKey(WOLFSSL_CTX *ctx, WOLFSSL_EVP_PKEY *pkey);
  WOLFSSL_API int wolfSSL_BIO_read_filename(WOLFSSL_BIO *b, const char *name);
  WOLFSSL_API WOLFSSL_BIO_METHOD* wolfSSL_BIO_s_file(void);
  /* These are to be merged shortly */
  WOLFSSL_API const char *  wolf_OBJ_nid2sn(int n);
  WOLFSSL_API int wolf_OBJ_obj2nid(const WOLFSSL_ASN1_OBJECT *o);
  WOLFSSL_API int wolf_OBJ_sn2nid(const char *sn);
  WOLFSSL_API WOLFSSL_X509 *PEM_read_bio_WOLFSSL_X509(WOLFSSL_BIO *bp, WOLFSSL_X509 **x, pem_password_cb *cb, void *u);
  WOLFSSL_API void wolfSSL_CTX_set_verify_depth(WOLFSSL_CTX *ctx,int depth);
  WOLFSSL_API void* wolfSSL_get_app_data( const WOLFSSL *ssl);
  WOLFSSL_API void wolfSSL_set_app_data(WOLFSSL *ssl, void *arg);
  WOLFSSL_API WOLFSSL_ASN1_OBJECT * wolfSSL_X509_NAME_ENTRY_get_object(WOLFSSL_X509_NAME_ENTRY *ne);
  WOLFSSL_API WOLFSSL_X509_NAME_ENTRY *wolfSSL_X509_NAME_get_entry(WOLFSSL_X509_NAME *name, int loc);
  WOLFSSL_API void wolfSSL_sk_X509_NAME_pop_free(STACK_OF(WOLFSSL_X509_NAME)* sk, void f (WOLFSSL_X509_NAME*));
  WOLFSSL_API unsigned char *wolfSSL_SHA1(const unsigned char *d, size_t n, unsigned char *md);
  WOLFSSL_API int wolfSSL_X509_check_private_key(WOLFSSL_X509*, WOLFSSL_EVP_PKEY*);
  WOLFSSL_API STACK_OF(WOLFSSL_X509_NAME) *wolfSSL_dup_CA_list( STACK_OF(WOLFSSL_X509_NAME) *sk );
  
  /* end lighttpd*/
  #endif
  #endif
  
  #if defined(HAVE_STUNNEL) || defined(HAVE_LIGHTY)
  
  WOLFSSL_API WOLFSSL_BIO* wolfSSL_BIO_new_file(const char *filename, const char *mode);
  WOLFSSL_API long wolfSSL_CTX_set_tmp_dh(WOLFSSL_CTX*, WOLFSSL_DH*);
  WOLFSSL_API WOLFSSL_DH *wolfSSL_PEM_read_bio_DHparams(WOLFSSL_BIO *bp,
      WOLFSSL_DH **x, pem_password_cb *cb, void *u);
  WOLFSSL_API int PEM_write_bio_WOLFSSL_X509(WOLFSSL_BIO *bp, WOLFSSL_X509 *x);
  
  
  #endif /* HAVE_STUNNEL || HAVE_LIGHTY */
  
  
  #ifdef HAVE_STUNNEL
  
  #include <wolfssl/openssl/crypto.h>
  
  /* SNI received callback type */
  typedef int (*CallbackSniRecv)(WOLFSSL *ssl, int *ret, void* exArg);
  
  WOLFSSL_API int wolfSSL_CRYPTO_set_mem_ex_functions(void *(*m) (size_t, const char *, int),
      void *(*r) (void *, size_t, const char *, int), void (*f) (void *));
  
  WOLFSSL_API WOLFSSL_DH *wolfSSL_DH_generate_parameters(int prime_len, int generator,
      void (*callback) (int, int, void *), void *cb_arg);
  
  WOLFSSL_API void wolfSSL_ERR_load_crypto_strings(void);
  
  WOLFSSL_API unsigned long wolfSSL_ERR_peek_last_error(void);
  
  WOLFSSL_API int wolfSSL_FIPS_mode(void);
  
  WOLFSSL_API int wolfSSL_FIPS_mode_set(int r);
  
  WOLFSSL_API int wolfSSL_RAND_set_rand_method(const void *meth);
  
  WOLFSSL_API int wolfSSL_CIPHER_get_bits(const WOLFSSL_CIPHER *c, int *alg_bits);
  
  WOLFSSL_API int wolfSSL_sk_X509_NAME_num(const STACK_OF(WOLFSSL_X509_NAME) *s);
  
  WOLFSSL_API int wolfSSL_sk_X509_num(const STACK_OF(WOLFSSL_X509) *s);
  
  WOLFSSL_API int wolfSSL_X509_NAME_print_ex(WOLFSSL_BIO*,WOLFSSL_X509_NAME*,int,
          unsigned long);
  
  WOLFSSL_API WOLFSSL_ASN1_BIT_STRING* wolfSSL_X509_get0_pubkey_bitstr(
                              const WOLFSSL_X509*);
  
  WOLFSSL_API int        wolfSSL_CTX_add_session(WOLFSSL_CTX*, WOLFSSL_SESSION*);
  
  WOLFSSL_API WOLFSSL_CTX* wolfSSL_get_SSL_CTX(WOLFSSL* ssl);
  
  WOLFSSL_API int  wolfSSL_version(WOLFSSL*);
  
  WOLFSSL_API int wolfSSL_get_state(const WOLFSSL*);
  
  WOLFSSL_API void* wolfSSL_sk_X509_NAME_value(STACK_OF(WOLFSSL_X509_NAME)*, int);
  
  WOLFSSL_API void* wolfSSL_sk_X509_value(STACK_OF(WOLFSSL_X509)*, int);
  
  WOLFSSL_API STACK_OF(WOLFSSL_X509)* wolfSSL_get_peer_cert_chain(const WOLFSSL*);
  
  WOLFSSL_API long wolfSSL_CTX_get_options(WOLFSSL_CTX* ctx);
  
  WOLFSSL_API void* wolfSSL_SESSION_get_ex_data(const WOLFSSL_SESSION*, int);
  
  WOLFSSL_API int   wolfSSL_SESSION_set_ex_data(WOLFSSL_SESSION*, int, void*);
  
  WOLFSSL_API int wolfSSL_SESSION_get_ex_new_index(long,void*,void*,void*,
          CRYPTO_free_func*);
  
  WOLFSSL_API int wolfSSL_X509_NAME_get_sz(WOLFSSL_X509_NAME*);
  
  
  WOLFSSL_API const unsigned char* wolfSSL_SESSION_get_id(WOLFSSL_SESSION*,
          unsigned int*);
  
  WOLFSSL_API int wolfSSL_set_tlsext_host_name(WOLFSSL *, const char *);
  
  WOLFSSL_API const char* wolfSSL_get_servername(WOLFSSL *, unsigned char);
  
  WOLFSSL_API WOLFSSL_CTX* wolfSSL_set_SSL_CTX(WOLFSSL*,WOLFSSL_CTX*);
  
  WOLFSSL_API VerifyCallback wolfSSL_CTX_get_verify_callback(WOLFSSL_CTX*);
  
  WOLFSSL_API int wolfSSL_CTX_get_verify_mode(WOLFSSL_CTX* ctx);
  
  WOLFSSL_API void wolfSSL_CTX_set_servername_callback(WOLFSSL_CTX *,
          CallbackSniRecv);
  
  WOLFSSL_API void wolfSSL_CTX_set_servername_arg(WOLFSSL_CTX *, void*);
  #endif /* HAVE_STUNNEL */
  
  #ifdef WOLFSSL_JNI
  WOLFSSL_API int wolfSSL_set_jobject(WOLFSSL* ssl, void* objPtr);
  WOLFSSL_API void* wolfSSL_get_jobject(WOLFSSL* ssl);
  #endif /* WOLFSSL_JNI */
  
  #ifdef __cplusplus
      }  /* extern "C" */
  #endif
  
  
  #endif /* WOLFSSL_SSL_H */
  