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ssl(3)				    OpenSSL				ssl(3)

NAME
       SSL - OpenSSL SSL/TLS library

SYNOPSIS
DESCRIPTION
       The OpenSSL ssl library implements the Secure Sockets Layer (SSL v2/v3)
       and Transport Layer Security (TLS v1) protocols. It provides a rich API
       which is documented here.

       At first the library must be initialized; see SSL_library_init(3).

       Then an SSL_CTX object is created as a framework to establish TLS/SSL
       enabled connections (see SSL_CTX_new(3)).  Various options regarding
       certificates, algorithms etc. can be set in this object.

       When a network connection has been created, it can be assigned to an
       SSL object. After the SSL object has been created using SSL_new(3),
       SSL_set_fd(3) or SSL_set_bio(3) can be used to associate the network
       connection with the object.

       Then the TLS/SSL handshake is performed using SSL_accept(3) or SSL_con‐
       nect(3) respectively.  SSL_read(3) and SSL_write(3) are used to read
       and write data on the TLS/SSL connection.  SSL_shutdown(3) can be used
       to shut down the TLS/SSL connection.

DATA STRUCTURES
       Currently the OpenSSL ssl library functions deals with the following
       data structures:

       SSL_METHOD (SSL Method)
	   That's a dispatch structure describing the internal ssl library
	   methods/functions which implement the various protocol versions
	   (SSLv1, SSLv2 and TLSv1). It's needed to create an SSL_CTX.

       SSL_CIPHER (SSL Cipher)
	   This structure holds the algorithm information for a particular
	   cipher which are a core part of the SSL/TLS protocol. The available
	   ciphers are configured on a SSL_CTX basis and the actually used
	   ones are then part of the SSL_SESSION.

       SSL_CTX (SSL Context)
	   That's the global context structure which is created by a server or
	   client once per program life-time and which holds mainly default
	   values for the SSL structures which are later created for the con‐
	   nections.

       SSL_SESSION (SSL Session)
	   This is a structure containing the current TLS/SSL session details
	   for a connection: SSL_CIPHERs, client and server certificates,
	   keys, etc.

       SSL (SSL Connection)
	   That's the main SSL/TLS structure which is created by a server or
	   client per established connection. This actually is the core struc‐
	   ture in the SSL API.	 Under run-time the application usually deals
	   with this structure which has links to mostly all other structures.

HEADER FILES
       Currently the OpenSSL ssl library provides the following C header files
       containing the prototypes for the data structures and and functions:

       ssl.h
	   That's the common header file for the SSL/TLS API.  Include it into
	   your program to make the API of the ssl library available. It
	   internally includes both more private SSL headers and headers from
	   the crypto library.	Whenever you need hard-core details on the
	   internals of the SSL API, look inside this header file.

       ssl2.h
	   That's the sub header file dealing with the SSLv2 protocol only.
	   Usually you don't have to include it explicitly because it's
	   already included by ssl.h.

       ssl3.h
	   That's the sub header file dealing with the SSLv3 protocol only.
	   Usually you don't have to include it explicitly because it's
	   already included by ssl.h.

       ssl23.h
	   That's the sub header file dealing with the combined use of the
	   SSLv2 and SSLv3 protocols.  Usually you don't have to include it
	   explicitly because it's already included by ssl.h.

       tls1.h
	   That's the sub header file dealing with the TLSv1 protocol only.
	   Usually you don't have to include it explicitly because it's
	   already included by ssl.h.

API FUNCTIONS
       Currently the OpenSSL ssl library exports 214 API functions.  They are
       documented in the following:

       DEALING WITH PROTOCOL METHODS

       Here we document the various API functions which deal with the SSL/TLS
       protocol methods defined in SSL_METHOD structures.

       SSL_METHOD *SSLv2_client_method(void);
	   Constructor for the SSLv2 SSL_METHOD structure for a dedicated
	   client.

       SSL_METHOD *SSLv2_server_method(void);
	   Constructor for the SSLv2 SSL_METHOD structure for a dedicated
	   server.

       SSL_METHOD *SSLv2_method(void);
	   Constructor for the SSLv2 SSL_METHOD structure for combined client
	   and server.

       SSL_METHOD *SSLv3_client_method(void);
	   Constructor for the SSLv3 SSL_METHOD structure for a dedicated
	   client.

       SSL_METHOD *SSLv3_server_method(void);
	   Constructor for the SSLv3 SSL_METHOD structure for a dedicated
	   server.

       SSL_METHOD *SSLv3_method(void);
	   Constructor for the SSLv3 SSL_METHOD structure for combined client
	   and server.

       SSL_METHOD *TLSv1_client_method(void);
	   Constructor for the TLSv1 SSL_METHOD structure for a dedicated
	   client.

       SSL_METHOD *TLSv1_server_method(void);
	   Constructor for the TLSv1 SSL_METHOD structure for a dedicated
	   server.

       SSL_METHOD *TLSv1_method(void);
	   Constructor for the TLSv1 SSL_METHOD structure for combined client
	   and server.

       DEALING WITH CIPHERS

       Here we document the various API functions which deal with the SSL/TLS
       ciphers defined in SSL_CIPHER structures.

       char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len);
	   Write a string to buf (with a maximum size of len) containing a
	   human readable description of cipher. Returns buf.

       int SSL_CIPHER_get_bits(SSL_CIPHER *cipher, int *alg_bits);
	   Determine the number of bits in cipher. Because of export crippled
	   ciphers there are two bits: The bits the algorithm supports in gen‐
	   eral (stored to alg_bits) and the bits which are actually used (the
	   return value).

       const char *SSL_CIPHER_get_name(SSL_CIPHER *cipher);
	   Return the internal name of cipher as a string. These are the vari‐
	   ous strings defined by the SSL2_TXT_xxx, SSL3_TXT_xxx and
	   TLS1_TXT_xxx definitions in the header files.

       char *SSL_CIPHER_get_version(SSL_CIPHER *cipher);
	   Returns a string like ""TLSv1/SSLv3"" or ""SSLv2"" which indicates
	   the SSL/TLS protocol version to which cipher belongs (i.e. where it
	   was defined in the specification the first time).

       DEALING WITH PROTOCOL CONTEXTS

       Here we document the various API functions which deal with the SSL/TLS
       protocol context defined in the SSL_CTX structure.

       int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
       long SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *x509);
       int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c);
       int SSL_CTX_check_private_key(SSL_CTX *ctx);
       long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg);
       void SSL_CTX_flush_sessions(SSL_CTX *s, long t);
       void SSL_CTX_free(SSL_CTX *a);
       char *SSL_CTX_get_app_data(SSL_CTX *ctx);
       X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx);
       STACK *SSL_CTX_get_client_CA_list(SSL_CTX *ctx);
       int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, X509 **x509,
       EVP_PKEY **pkey);
       char *SSL_CTX_get_ex_data(SSL_CTX *s, int idx);
       int SSL_CTX_get_ex_new_index(long argl, char *argp, int
       (*new_func);(void), int (*dup_func)(void), void (*free_func)(void))
       void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(SSL *ssl, int cb, int
       ret);
       int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx);
       int SSL_CTX_get_session_cache_mode(SSL_CTX *ctx);
       long SSL_CTX_get_timeout(SSL_CTX *ctx);
       int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int ok, X509_STORE_CTX
       *ctx);
       int SSL_CTX_get_verify_mode(SSL_CTX *ctx);
       int SSL_CTX_load_verify_locations(SSL_CTX *ctx, char *CAfile, char
       *CApath);
       long SSL_CTX_need_tmp_RSA(SSL_CTX *ctx);
       SSL_CTX *SSL_CTX_new(SSL_METHOD *meth);
       int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c);
       int SSL_CTX_sess_accept(SSL_CTX *ctx);
       int SSL_CTX_sess_accept_good(SSL_CTX *ctx);
       int SSL_CTX_sess_accept_renegotiate(SSL_CTX *ctx);
       int SSL_CTX_sess_cache_full(SSL_CTX *ctx);
       int SSL_CTX_sess_cb_hits(SSL_CTX *ctx);
       int SSL_CTX_sess_connect(SSL_CTX *ctx);
       int SSL_CTX_sess_connect_good(SSL_CTX *ctx);
       int SSL_CTX_sess_connect_renegotiate(SSL_CTX *ctx);
       int SSL_CTX_sess_get_cache_size(SSL_CTX *ctx);
       SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(SSL *ssl,
       unsigned char *data, int len, int *copy);
       int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)(SSL *ssl, SSL_SESSION
       *sess);
       void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)(SSL_CTX *ctx, SSL_SES‐
       SION *sess);
       int SSL_CTX_sess_hits(SSL_CTX *ctx);
       int SSL_CTX_sess_misses(SSL_CTX *ctx);
       int SSL_CTX_sess_number(SSL_CTX *ctx);
       void SSL_CTX_sess_set_cache_size(SSL_CTX *ctx,t);
       void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx, SSL_SESSION *(*cb)(SSL *ssl,
       unsigned char *data, int len, int *copy));
       void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx, int (*cb)(SSL *ssl, SSL_SES‐
       SION *sess));
       void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx, void (*cb)(SSL_CTX *ctx,
       SSL_SESSION *sess));
       int SSL_CTX_sess_timeouts(SSL_CTX *ctx);
       LHASH *SSL_CTX_sessions(SSL_CTX *ctx);
       void SSL_CTX_set_app_data(SSL_CTX *ctx, void *arg);
       void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *cs);
       void SSL_CTX_set_cert_verify_cb(SSL_CTX *ctx, int (*cb)(), char *arg)
       int SSL_CTX_set_cipher_list(SSL_CTX *ctx, char *str);
       void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK *list);
       void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx, int (*cb)(SSL *ssl, X509
       **x509, EVP_PKEY **pkey));
       void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, int (*cb);(void))
       void SSL_CTX_set_default_read_ahead(SSL_CTX *ctx, int m);
       int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
       int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, char *arg);
       void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*cb)(SSL *ssl, int
       cb, int ret));
       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_CTX_set_msg_callback_arg(SSL_CTX *ctx, void *arg);
       void SSL_CTX_set_options(SSL_CTX *ctx, unsigned long op);
       void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
       void SSL_CTX_set_session_cache_mode(SSL_CTX *ctx, int mode);
       int SSL_CTX_set_ssl_version(SSL_CTX *ctx, SSL_METHOD *meth);
       void SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
       long SSL_CTX_set_tmp_dh(SSL_CTX* ctx, DH *dh);
       long SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, DH *(*cb)(void));
       long SSL_CTX_set_tmp_rsa(SSL_CTX *ctx, RSA *rsa);
       SSL_CTX_set_tmp_rsa_callback
	   "long SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, RSA *(*cb)(SSL
	   *ssl, int export, int keylength));"

	   Sets the callback which will be called when a temporary private key
	   is required. The "export" flag will be set if the reason for need‐
	   ing a temp key is that an export ciphersuite is in use, in which
	   case, "keylength" will contain the required keylength in bits. Gen‐
	   erate a key of appropriate size (using ???) and return it.

       SSL_set_tmp_rsa_callback
	   long SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb)(SSL *ssl, int
	   export, int keylength));

	   The same as SSL_CTX_set_tmp_rsa_callback, except it operates on an
	   SSL session instead of a context.

       void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, int (*cb);(void))
       int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
       int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx, unsigned char
       *d, long len);
       int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, char *file, int type);
       int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
       int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, unsigned char *d, long
       len);
       int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, char *file, int type);
       int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
       int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, unsigned char
       *d);
       int SSL_CTX_use_certificate_file(SSL_CTX *ctx, char *file, int type);

       DEALING WITH SESSIONS

       Here we document the various API functions which deal with the SSL/TLS
       sessions defined in the SSL_SESSION structures.

       int SSL_SESSION_cmp(SSL_SESSION *a, SSL_SESSION *b);
       void SSL_SESSION_free(SSL_SESSION *ss);
       char *SSL_SESSION_get_app_data(SSL_SESSION *s);
       char *SSL_SESSION_get_ex_data(SSL_SESSION *s, int idx);
       int SSL_SESSION_get_ex_new_index(long argl, char *argp, int
       (*new_func);(void), int (*dup_func)(void), void (*free_func)(void))
       long SSL_SESSION_get_time(SSL_SESSION *s);
       long SSL_SESSION_get_timeout(SSL_SESSION *s);
       unsigned long SSL_SESSION_hash(SSL_SESSION *a);
       SSL_SESSION *SSL_SESSION_new(void);
       int SSL_SESSION_print(BIO *bp, SSL_SESSION *x);
       int SSL_SESSION_print_fp(FILE *fp, SSL_SESSION *x);
       void SSL_SESSION_set_app_data(SSL_SESSION *s, char *a);
       int SSL_SESSION_set_ex_data(SSL_SESSION *s, int idx, char *arg);
       long SSL_SESSION_set_time(SSL_SESSION *s, long t);
       long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);

       DEALING WITH CONNECTIONS

       Here we document the various API functions which deal with the SSL/TLS
       connection defined in the SSL structure.

       int SSL_accept(SSL *ssl);
       int SSL_add_dir_cert_subjects_to_stack(STACK *stack, const char *dir);
       int SSL_add_file_cert_subjects_to_stack(STACK *stack, const char
       *file);
       int SSL_add_client_CA(SSL *ssl, X509 *x);
       char *SSL_alert_desc_string(int value);
       char *SSL_alert_desc_string_long(int value);
       char *SSL_alert_type_string(int value);
       char *SSL_alert_type_string_long(int value);
       int SSL_check_private_key(SSL *ssl);
       void SSL_clear(SSL *ssl);
       long SSL_clear_num_renegotiations(SSL *ssl);
       int SSL_connect(SSL *ssl);
       void SSL_copy_session_id(SSL *t, SSL *f);
       long SSL_ctrl(SSL *ssl, int cmd, long larg, char *parg);
       int SSL_do_handshake(SSL *ssl);
       SSL *SSL_dup(SSL *ssl);
       STACK *SSL_dup_CA_list(STACK *sk);
       void SSL_free(SSL *ssl);
       SSL_CTX *SSL_get_SSL_CTX(SSL *ssl);
       char *SSL_get_app_data(SSL *ssl);
       X509 *SSL_get_certificate(SSL *ssl);
       const char *SSL_get_cipher(SSL *ssl);
       int SSL_get_cipher_bits(SSL *ssl, int *alg_bits);
       char *SSL_get_cipher_list(SSL *ssl, int n);
       char *SSL_get_cipher_name(SSL *ssl);
       char *SSL_get_cipher_version(SSL *ssl);
       STACK *SSL_get_ciphers(SSL *ssl);
       STACK *SSL_get_client_CA_list(SSL *ssl);
       SSL_CIPHER *SSL_get_current_cipher(SSL *ssl);
       long SSL_get_default_timeout(SSL *ssl);
       int SSL_get_error(SSL *ssl, int i);
       char *SSL_get_ex_data(SSL *ssl, int idx);
       int SSL_get_ex_data_X509_STORE_CTX_idx(void);
       int SSL_get_ex_new_index(long argl, char *argp, int (*new_func);(void),
       int (*dup_func)(void), void (*free_func)(void))
       int SSL_get_fd(SSL *ssl);
       void (*SSL_get_info_callback(SSL *ssl);)(void)
       STACK *SSL_get_peer_cert_chain(SSL *ssl);
       X509 *SSL_get_peer_certificate(SSL *ssl);
       EVP_PKEY *SSL_get_privatekey(SSL *ssl);
       int SSL_get_quiet_shutdown(SSL *ssl);
       BIO *SSL_get_rbio(SSL *ssl);
       int SSL_get_read_ahead(SSL *ssl);
       SSL_SESSION *SSL_get_session(SSL *ssl);
       char *SSL_get_shared_ciphers(SSL *ssl, char *buf, int len);
       int SSL_get_shutdown(SSL *ssl);
       SSL_METHOD *SSL_get_ssl_method(SSL *ssl);
       int SSL_get_state(SSL *ssl);
       long SSL_get_time(SSL *ssl);
       long SSL_get_timeout(SSL *ssl);
       int (*SSL_get_verify_callback(SSL *ssl);)(void)
       int SSL_get_verify_mode(SSL *ssl);
       long SSL_get_verify_result(SSL *ssl);
       char *SSL_get_version(SSL *ssl);
       BIO *SSL_get_wbio(SSL *ssl);
       int SSL_in_accept_init(SSL *ssl);
       int SSL_in_before(SSL *ssl);
       int SSL_in_connect_init(SSL *ssl);
       int SSL_in_init(SSL *ssl);
       int SSL_is_init_finished(SSL *ssl);
       STACK *SSL_load_client_CA_file(char *file);
       void SSL_load_error_strings(void);
       SSL *SSL_new(SSL_CTX *ctx);
       long SSL_num_renegotiations(SSL *ssl);
       int SSL_peek(SSL *ssl, void *buf, int num);
       int SSL_pending(SSL *ssl);
       int SSL_read(SSL *ssl, void *buf, int num);
       int SSL_renegotiate(SSL *ssl);
       char *SSL_rstate_string(SSL *ssl);
       char *SSL_rstate_string_long(SSL *ssl);
       long SSL_session_reused(SSL *ssl);
       void SSL_set_accept_state(SSL *ssl);
       void SSL_set_app_data(SSL *ssl, char *arg);
       void SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio);
       int SSL_set_cipher_list(SSL *ssl, char *str);
       void SSL_set_client_CA_list(SSL *ssl, STACK *list);
       void SSL_set_connect_state(SSL *ssl);
       int SSL_set_ex_data(SSL *ssl, int idx, char *arg);
       int SSL_set_fd(SSL *ssl, int fd);
       void SSL_set_info_callback(SSL *ssl, void (*cb);(void))
       void SSL_set_msg_callback(SSL *ctx, void (*cb)(int write_p, int ver‐
       sion, int content_type, const void *buf, size_t len, SSL *ssl, void
       *arg));
       void SSL_set_msg_callback_arg(SSL *ctx, void *arg);
       void SSL_set_options(SSL *ssl, unsigned long op);
       void SSL_set_quiet_shutdown(SSL *ssl, int mode);
       void SSL_set_read_ahead(SSL *ssl, int yes);
       int SSL_set_rfd(SSL *ssl, int fd);
       int SSL_set_session(SSL *ssl, SSL_SESSION *session);
       void SSL_set_shutdown(SSL *ssl, int mode);
       int SSL_set_ssl_method(SSL *ssl, SSL_METHOD *meth);
       void SSL_set_time(SSL *ssl, long t);
       void SSL_set_timeout(SSL *ssl, long t);
       void SSL_set_verify(SSL *ssl, int mode, int (*callback);(void))
       void SSL_set_verify_result(SSL *ssl, long arg);
       int SSL_set_wfd(SSL *ssl, int fd);
       int SSL_shutdown(SSL *ssl);
       int SSL_state(SSL *ssl);
       char *SSL_state_string(SSL *ssl);
       char *SSL_state_string_long(SSL *ssl);
       long SSL_total_renegotiations(SSL *ssl);
       int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
       int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, unsigned char *d, long
       len);
       int SSL_use_PrivateKey_file(SSL *ssl, char *file, int type);
       int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
       int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len);
       int SSL_use_RSAPrivateKey_file(SSL *ssl, char *file, int type);
       int SSL_use_certificate(SSL *ssl, X509 *x);
       int SSL_use_certificate_ASN1(SSL *ssl, int len, unsigned char *d);
       int SSL_use_certificate_file(SSL *ssl, char *file, int type);
       int SSL_version(SSL *ssl);
       int SSL_want(SSL *ssl);
       int SSL_want_nothing(SSL *ssl);
       int SSL_want_read(SSL *ssl);
       int SSL_want_write(SSL *ssl);
       int SSL_want_x509_lookup(s);
       int SSL_write(SSL *ssl, const void *buf, int num);

SEE ALSO
       openssl(1), crypto(3), SSL_accept(3), SSL_clear(3), SSL_connect(3),
       SSL_CIPHER_get_name(3), SSL_COMP_add_compression_method(3),
       SSL_CTX_add_extra_chain_cert(3), SSL_CTX_add_session(3),
       SSL_CTX_ctrl(3), SSL_CTX_flush_sessions(3),
       SSL_CTX_get_ex_new_index(3), SSL_CTX_get_verify_mode(3),
       SSL_CTX_load_verify_locations(3) SSL_CTX_new(3), SSL_CTX_sess_num‐
       ber(3), SSL_CTX_sess_set_cache_size(3), SSL_CTX_sess_set_get_cb(3),
       SSL_CTX_sessions(3), SSL_CTX_set_cert_store(3), SSL_CTX_set_cert_ver‐
       ify_callback(3), SSL_CTX_set_cipher_list(3),
       SSL_CTX_set_client_CA_list(3), SSL_CTX_set_client_cert_cb(3),
       SSL_CTX_set_default_passwd_cb(3), SSL_CTX_set_generate_session_id(3),
       SSL_CTX_set_info_callback(3), SSL_CTX_set_max_cert_list(3),
       SSL_CTX_set_mode(3), SSL_CTX_set_msg_callback(3),
       SSL_CTX_set_options(3), SSL_CTX_set_quiet_shutdown(3), SSL_CTX_set_ses‐
       sion_cache_mode(3), SSL_CTX_set_session_id_context(3),
       SSL_CTX_set_ssl_version(3), SSL_CTX_set_timeout(3),
       SSL_CTX_set_tmp_rsa_callback(3), SSL_CTX_set_tmp_dh_callback(3),
       SSL_CTX_set_verify(3), SSL_CTX_use_certificate(3),
       SSL_alert_type_string(3), SSL_do_handshake(3), SSL_get_SSL_CTX(3),
       SSL_get_ciphers(3), SSL_get_client_CA_list(3), SSL_get_default_time‐
       out(3), SSL_get_error(3), SSL_get_ex_data_X509_STORE_CTX_idx(3),
       SSL_get_ex_new_index(3), SSL_get_fd(3), SSL_get_peer_cert_chain(3),
       SSL_get_rbio(3), SSL_get_session(3), SSL_get_verify_result(3),
       SSL_get_version(3), SSL_library_init(3), SSL_load_client_CA_file(3),
       SSL_new(3), SSL_pending(3), SSL_read(3), SSL_rstate_string(3), SSL_ses‐
       sion_reused(3), SSL_set_bio(3), SSL_set_connect_state(3),
       SSL_set_fd(3), SSL_set_session(3), SSL_set_shutdown(3), SSL_shut‐
       down(3), SSL_state_string(3), SSL_want(3), SSL_write(3), SSL_SES‐
       SION_free(3), SSL_SESSION_get_ex_new_index(3), SSL_SESSION_get_time(3),
       d2i_SSL_SESSION(3)

HISTORY
       The ssl(3) document appeared in OpenSSL 0.9.2

0.9.7d				  2003-11-20				ssl(3)
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