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<!-- INDEX BEGIN -->
< div name = "index" >
< p > < a name = "__index__" > < / a > < / p >
< ul >
< li > < a href = "#name" > NAME< / a > < / li >
< li > < a href = "#synopsis" > SYNOPSIS< / a > < / li >
< li > < a href = "#description" > DESCRIPTION< / a > < / li >
< li > < a href = "#data_structures" > DATA STRUCTURES< / a > < / li >
< li > < a href = "#header_files" > HEADER FILES< / a > < / li >
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< li > < a href = "#api_functions" > API FUNCTIONS< / a > < / li >
< ul >
< li > < a href = "#dealing_with_protocol_methods" > Dealing with Protocol Methods< / a > < / li >
< li > < a href = "#dealing_with_ciphers" > Dealing with Ciphers< / a > < / li >
< li > < a href = "#dealing_with_protocol_contexts" > Dealing with Protocol Contexts< / a > < / li >
< li > < a href = "#dealing_with_sessions" > Dealing with Sessions< / a > < / li >
< li > < a href = "#dealing_with_connections" > Dealing with Connections< / a > < / li >
< / ul >
< li > < a href = "#return_values" > RETURN VALUES< / a > < / li >
< li > < a href = "#see_also" > SEE ALSO< / a > < / li >
< li > < a href = "#history" > HISTORY< / a > < / li >
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< li > < a href = "#copyright" > COPYRIGHT< / a > < / li >
< / ul >
< hr name = "index" / >
< / div >
<!-- INDEX END -->
< p >
< / p >
< hr / >
< h1 > < a name = "name" > NAME< / a > < / h1 >
< p > ssl - OpenSSL SSL/TLS library< / p >
< p >
< / p >
< hr / >
< h1 > < a name = "synopsis" > SYNOPSIS< / a > < / h1 >
< p > See the individual manual pages for details.< / p >
< p >
< / p >
< hr / >
< h1 > < a name = "description" > DESCRIPTION< / a > < / h1 >
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< p > The OpenSSL < strong > ssl< / strong > 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.< / p >
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< p > An < strong > SSL_CTX< / strong > object is created as a framework to establish
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TLS/SSL enabled connections (see < a href = "#ssl_ctx_new" > SSL_CTX_new(3)< / a > ).
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Various options regarding certificates, algorithms etc. can be set
in this object.< / p >
< p > When a network connection has been created, it can be assigned to an
< strong > SSL< / strong > object. After the < strong > SSL< / strong > object has been created using
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< a href = "#ssl_new" > SSL_new(3)< / a > , < a href = "#ssl_set_fd" > SSL_set_fd(3)< / a > or
< a href = "#ssl_set_bio" > SSL_set_bio(3)< / a > can be used to associate the network
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connection with the object.< / p >
< p > When the TLS/SSL handshake is performed using
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< a href = "#ssl_accept" > SSL_accept(3)< / a > or < a href = "#ssl_connect" > SSL_connect(3)< / a >
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respectively.
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< em > SSL_read_ex(3)< / em > , < a href = "#ssl_read" > SSL_read(3)< / a > , < em > SSL_write_ex(3)< / em > and < a href = "#ssl_write" > SSL_write(3)< / a > are
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used to read and write data on the TLS/SSL connection.
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< a href = "#ssl_shutdown" > SSL_shutdown(3)< / a > can be used to shut down the
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TLS/SSL connection.< / p >
< p >
< / p >
< hr / >
< h1 > < a name = "data_structures" > DATA STRUCTURES< / a > < / h1 >
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< p > Currently the OpenSSL < strong > ssl< / strong > library functions deals with the following data
structures:< / p >
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< dl >
< dt > < strong > < a name = "ssl_method" class = "item" > < strong > SSL_METHOD< / strong > (SSL Method)< / a > < / strong > < / dt >
< dd >
< p > This is a dispatch structure describing the internal < strong > ssl< / strong > library
methods/functions which implement the various protocol versions (SSLv3
TLSv1, ...). It's needed to create an < strong > SSL_CTX< / strong > .< / p >
< / dd >
< dt > < strong > < a name = "ssl_cipher" class = "item" > < strong > SSL_CIPHER< / strong > (SSL Cipher)< / a > < / strong > < / dt >
< dd >
< p > 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 < strong > SSL_CTX< / strong > basis and the actual ones used are then part of the
< strong > SSL_SESSION< / strong > .< / p >
< / dd >
< dt > < strong > < a name = "ssl_ctx" class = "item" > < strong > SSL_CTX< / strong > (SSL Context)< / a > < / strong > < / dt >
< dd >
< p > This is 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
< strong > SSL< / strong > structures which are later created for the connections.< / p >
< / dd >
< dt > < strong > < a name = "ssl_session" class = "item" > < strong > SSL_SESSION< / strong > (SSL Session)< / a > < / strong > < / dt >
< dd >
< p > This is a structure containing the current TLS/SSL session details for a
connection: < strong > SSL_CIPHER< / strong > s, client and server certificates, keys, etc.< / p >
< / dd >
< dt > < strong > < a name = "ssl" class = "item" > < strong > SSL< / strong > (SSL Connection)< / a > < / strong > < / dt >
< dd >
< p > This is the main SSL/TLS structure which is created by a server or client per
established connection. This actually is the core structure in the SSL API.
At run-time the application usually deals with this structure which has
links to mostly all other structures.< / p >
< / dd >
< / dl >
< p >
< / p >
< hr / >
< h1 > < a name = "header_files" > HEADER FILES< / a > < / h1 >
< p > Currently the OpenSSL < strong > ssl< / strong > library provides the following C header files
containing the prototypes for the data structures and functions:< / p >
< dl >
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< dt > < strong > < a name = "ssl_h" class = "item" > < strong > ssl.h< / strong > < / a > < / strong > < / dt >
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< dd >
< p > This is the common header file for the SSL/TLS API. Include it into your
program to make the API of the < strong > ssl< / strong > library available. It internally
includes both more private SSL headers and headers from the < strong > crypto< / strong > library.
Whenever you need hard-core details on the internals of the SSL API, look
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inside this header file.< / p >
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< / dd >
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< dt > < strong > < a name = "ssl2_h" class = "item" > < strong > ssl2.h< / strong > < / a > < / strong > < / dt >
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< dd >
< p > Unused. Present for backwards compatibility only.< / p >
< / dd >
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< dt > < strong > < a name = "ssl3_h" class = "item" > < strong > ssl3.h< / strong > < / a > < / strong > < / dt >
< dd >
< p > This is the sub header file dealing with the SSLv3 protocol only.
< em > Usually you don't have to include it explicitly because
it's already included by ssl.h< / em > .< / p >
< / dd >
< dt > < strong > < a name = "tls1_h" class = "item" > < strong > tls1.h< / strong > < / a > < / strong > < / dt >
< dd >
< p > This is the sub header file dealing with the TLSv1 protocol only.
< em > Usually you don't have to include it explicitly because
it's already included by ssl.h< / em > .< / p >
< / dd >
< / dl >
< p >
< / p >
< hr / >
< h1 > < a name = "api_functions" > API FUNCTIONS< / a > < / h1 >
< p > Currently the OpenSSL < strong > ssl< / strong > library exports 214 API functions.
They are documented in the following:< / p >
< p >
< / p >
< h2 > < a name = "dealing_with_protocol_methods" > Dealing with Protocol Methods< / a > < / h2 >
< p > Here we document the various API functions which deal with the SSL/TLS
protocol methods defined in < strong > SSL_METHOD< / strong > structures.< / p >
< dl >
< dt > < strong > < a name = "tls_method" class = "item" > const SSL_METHOD *< strong > TLS_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the < em > version-flexible< / em > SSL_METHOD structure for clients,
servers or both.
See < a href = "#ssl_ctx_new" > SSL_CTX_new(3)< / a > for details.< / p >
< / dd >
< dt > < strong > < a name = "tls_client_method" class = "item" > const SSL_METHOD *< strong > TLS_client_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the < em > version-flexible< / em > SSL_METHOD structure for clients.
Must be used to support the TLSv1.3 protocol.< / p >
< / dd >
< dt > < strong > < a name = "tls_server_method" class = "item" > const SSL_METHOD *< strong > TLS_server_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the < em > version-flexible< / em > SSL_METHOD structure for servers.
Must be used to support the TLSv1.3 protocol.< / p >
< / dd >
< dt > < strong > < a name = "tlsv1_2_method" class = "item" > const SSL_METHOD *< strong > TLSv1_2_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the TLSv1.2 SSL_METHOD structure for clients, servers or both.< / p >
< / dd >
< dt > < strong > < a name = "tlsv1_2_client_method" class = "item" > const SSL_METHOD *< strong > TLSv1_2_client_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the TLSv1.2 SSL_METHOD structure for clients.< / p >
< / dd >
< dt > < strong > < a name = "tlsv1_2_server_method" class = "item" > const SSL_METHOD *< strong > TLSv1_2_server_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the TLSv1.2 SSL_METHOD structure for servers.< / p >
< / dd >
< dt > < strong > < a name = "tlsv1_1_method" class = "item" > const SSL_METHOD *< strong > TLSv1_1_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the TLSv1.1 SSL_METHOD structure for clients, servers or both.< / p >
< / dd >
< dt > < strong > < a name = "tlsv1_1_client_method" class = "item" > const SSL_METHOD *< strong > TLSv1_1_client_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the TLSv1.1 SSL_METHOD structure for clients.< / p >
< / dd >
< dt > < strong > < a name = "tlsv1_1_server_method" class = "item" > const SSL_METHOD *< strong > TLSv1_1_server_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the TLSv1.1 SSL_METHOD structure for servers.< / p >
< / dd >
< dt > < strong > < a name = "tlsv1_method" class = "item" > const SSL_METHOD *< strong > TLSv1_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the TLSv1 SSL_METHOD structure for clients, servers or both.< / p >
< / dd >
< dt > < strong > < a name = "tlsv1_client_method" class = "item" > const SSL_METHOD *< strong > TLSv1_client_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the TLSv1 SSL_METHOD structure for clients.< / p >
< / dd >
< dt > < strong > < a name = "tlsv1_server_method" class = "item" > const SSL_METHOD *< strong > TLSv1_server_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the TLSv1 SSL_METHOD structure for servers.< / p >
< / dd >
< dt > < strong > < a name = "sslv3_method" class = "item" > const SSL_METHOD *< strong > SSLv3_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the SSLv3 SSL_METHOD structure for clients, servers or both.< / p >
< / dd >
< dt > < strong > < a name = "sslv3_client_method" class = "item" > const SSL_METHOD *< strong > SSLv3_client_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the SSLv3 SSL_METHOD structure for clients.< / p >
< / dd >
< dt > < strong > < a name = "sslv3_server_method" class = "item" > const SSL_METHOD *< strong > SSLv3_server_method< / strong > (void);< / a > < / strong > < / dt >
< dd >
< p > Constructor for the SSLv3 SSL_METHOD structure for servers.< / p >
< / dd >
< / dl >
< p >
< / p >
< h2 > < a name = "dealing_with_ciphers" > Dealing with Ciphers< / a > < / h2 >
< p > Here we document the various API functions which deal with the SSL/TLS
ciphers defined in < strong > SSL_CIPHER< / strong > structures.< / p >
< dl >
< dt > < strong > < a name = "ssl_cipher_description" class = "item" > char *< strong > SSL_CIPHER_description< / strong > (SSL_CIPHER *cipher, char *buf, int len);< / a > < / strong > < / dt >
< dd >
< p > Write a string to < em > buf< / em > (with a maximum size of < em > len< / em > ) containing a human
readable description of < em > cipher< / em > . Returns < em > buf< / em > .< / p >
< / dd >
< dt > < strong > < a name = "ssl_cipher_get_bits" class = "item" > int < strong > SSL_CIPHER_get_bits< / strong > (SSL_CIPHER *cipher, int *alg_bits);< / a > < / strong > < / dt >
< dd >
< p > Determine the number of bits in < em > cipher< / em > . Because of export crippled ciphers
there are two bits: The bits the algorithm supports in general (stored to
< em > alg_bits< / em > ) and the bits which are actually used (the return value).< / p >
< / dd >
< dt > < strong > < a name = "ssl_cipher_get_name" class = "item" > const char *< strong > SSL_CIPHER_get_name< / strong > (SSL_CIPHER *cipher);< / a > < / strong > < / dt >
< dd >
< p > Return the internal name of < em > cipher< / em > as a string. These are the various
strings defined by the < em > SSL3_TXT_xxx< / em > and < em > TLS1_TXT_xxx< / em >
definitions in the header files.< / p >
< / dd >
< dt > < strong > < a name = "ssl_cipher_get_version" class = "item" > const char *< strong > SSL_CIPHER_get_version< / strong > (SSL_CIPHER *cipher);< / a > < / strong > < / dt >
< dd >
< p > Returns a string like " < code > SSLv3< / code > " or " < code > TLSv1.2< / code > " which indicates the
SSL/TLS protocol version to which < em > cipher< / em > belongs (i.e. where it was defined
in the specification the first time).< / p >
< / dd >
< / dl >
< p >
< / p >
< h2 > < a name = "dealing_with_protocol_contexts" > Dealing with Protocol Contexts< / a > < / h2 >
< p > Here we document the various API functions which deal with the SSL/TLS
protocol context defined in the < strong > SSL_CTX< / strong > structure.< / p >
< dl >
< dt > < strong > < a name = "ssl_ctx_add_client_ca" class = "item" > int < strong > SSL_CTX_add_client_CA< / strong > (SSL_CTX *ctx, X509 *x);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_add_extra_chain_cert" class = "item" > long < strong > SSL_CTX_add_extra_chain_cert< / strong > (SSL_CTX *ctx, X509 *x509);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_add_session" class = "item" > int < strong > SSL_CTX_add_session< / strong > (SSL_CTX *ctx, SSL_SESSION *c);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_check_private_key" class = "item" > int < strong > SSL_CTX_check_private_key< / strong > (const SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_ctrl" class = "item" > long < strong > SSL_CTX_ctrl< / strong > (SSL_CTX *ctx, int cmd, long larg, char *parg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_flush_sessions" class = "item" > void < strong > SSL_CTX_flush_sessions< / strong > (SSL_CTX *s, long t);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_free" class = "item" > void < strong > SSL_CTX_free< / strong > (SSL_CTX *a);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_app_data" class = "item" > char *< strong > SSL_CTX_get_app_data< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_cert_store" class = "item" > X509_STORE *< strong > SSL_CTX_get_cert_store< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_ciphers" class = "item" > STACK *< strong > SSL_CTX_get_ciphers< / strong > (const SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_client_ca_list" class = "item" > STACK *< strong > SSL_CTX_get_client_CA_list< / strong > (const SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "int" class = "item" > int (*< strong > SSL_CTX_get_client_cert_cb< / strong > (SSL_CTX *ctx))(SSL *ssl, X509 **x509, EVP_PKEY **pkey);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_default_read_ahead" class = "item" > void < strong > SSL_CTX_get_default_read_ahead< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_ex_data" class = "item" > char *< strong > SSL_CTX_get_ex_data< / strong > (const SSL_CTX *s, int idx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_ex_new_index" class = "item" > int < strong > SSL_CTX_get_ex_new_index< / strong > (long argl, char *argp, int (*new_func);(void), int (*dup_func)(void), void (*free_func)(void))< / a > < / strong > < / dt >
< dt > < strong > < a name = "void" class = "item" > void (*< strong > SSL_CTX_get_info_callback< / strong > (SSL_CTX *ctx))(SSL *ssl, int cb, int ret);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_quiet_shutdown" class = "item" > int < strong > SSL_CTX_get_quiet_shutdown< / strong > (const SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_read_ahead" class = "item" > void < strong > SSL_CTX_get_read_ahead< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_session_cache_mode" class = "item" > int < strong > SSL_CTX_get_session_cache_mode< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_timeout" class = "item" > long < strong > SSL_CTX_get_timeout< / strong > (const SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > int (*< strong > SSL_CTX_get_verify_callback< / strong > (const SSL_CTX *ctx))(int ok, X509_STORE_CTX *ctx);< / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_verify_mode" class = "item" > int < strong > SSL_CTX_get_verify_mode< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_load_verify_locations" class = "item" > int < strong > SSL_CTX_load_verify_locations< / strong > (SSL_CTX *ctx, const char *CAfile, const char *CApath);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_new" class = "item" > SSL_CTX *< strong > SSL_CTX_new< / strong > (const SSL_METHOD *meth);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_up_ref" class = "item" > int SSL_CTX_up_ref(SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_remove_session" class = "item" > int < strong > SSL_CTX_remove_session< / strong > (SSL_CTX *ctx, SSL_SESSION *c);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_accept" class = "item" > int < strong > SSL_CTX_sess_accept< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_accept_good" class = "item" > int < strong > SSL_CTX_sess_accept_good< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_accept_renegotiate" class = "item" > int < strong > SSL_CTX_sess_accept_renegotiate< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_cache_full" class = "item" > int < strong > SSL_CTX_sess_cache_full< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_cb_hits" class = "item" > int < strong > SSL_CTX_sess_cb_hits< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_connect" class = "item" > int < strong > SSL_CTX_sess_connect< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_connect_good" class = "item" > int < strong > SSL_CTX_sess_connect_good< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_connect_renegotiate" class = "item" > int < strong > SSL_CTX_sess_connect_renegotiate< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_get_cache_size" class = "item" > int < strong > SSL_CTX_sess_get_cache_size< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_get_get_cb" class = "item" > SSL_SESSION *(*< strong > SSL_CTX_sess_get_get_cb< / strong > (SSL_CTX *ctx))(SSL *ssl, unsigned char *data, int len, int *copy);< / a > < / strong > < / dt >
< dt > < strong > int (*< strong > SSL_CTX_sess_get_new_cb< / strong > (SSL_CTX *ctx)(SSL *ssl, SSL_SESSION *sess);< / strong > < / dt >
< dt > < strong > void (*< strong > SSL_CTX_sess_get_remove_cb< / strong > (SSL_CTX *ctx)(SSL_CTX *ctx, SSL_SESSION *sess);< / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_hits" class = "item" > int < strong > SSL_CTX_sess_hits< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_misses" class = "item" > int < strong > SSL_CTX_sess_misses< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_number" class = "item" > int < strong > SSL_CTX_sess_number< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_set_cache_size" class = "item" > void < strong > SSL_CTX_sess_set_cache_size< / strong > (SSL_CTX *ctx, t);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_set_get_cb" class = "item" > void < strong > SSL_CTX_sess_set_get_cb< / strong > (SSL_CTX *ctx, SSL_SESSION *(*cb)(SSL *ssl, unsigned char *data, int len, int *copy));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_set_new_cb" class = "item" > void < strong > SSL_CTX_sess_set_new_cb< / strong > (SSL_CTX *ctx, int (*cb)(SSL *ssl, SSL_SESSION *sess));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_set_remove_cb" class = "item" > void < strong > SSL_CTX_sess_set_remove_cb< / strong > (SSL_CTX *ctx, void (*cb)(SSL_CTX *ctx, SSL_SESSION *sess));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sess_timeouts" class = "item" > int < strong > SSL_CTX_sess_timeouts< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_sessions" class = "item" > LHASH *< strong > SSL_CTX_sessions< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_app_data" class = "item" > int < strong > SSL_CTX_set_app_data< / strong > (SSL_CTX *ctx, void *arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_cert_store" class = "item" > void < strong > SSL_CTX_set_cert_store< / strong > (SSL_CTX *ctx, X509_STORE *cs);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set1_cert_store" class = "item" > void < strong > SSL_CTX_set1_cert_store< / strong > (SSL_CTX *ctx, X509_STORE *cs);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_cert_verify_cb" class = "item" > void < strong > SSL_CTX_set_cert_verify_cb< / strong > (SSL_CTX *ctx, int (*cb)(), char *arg)< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_cipher_list" class = "item" > int < strong > SSL_CTX_set_cipher_list< / strong > (SSL_CTX *ctx, char *str);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_client_ca_list" class = "item" > void < strong > SSL_CTX_set_client_CA_list< / strong > (SSL_CTX *ctx, STACK *list);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_client_cert_cb" class = "item" > void < strong > SSL_CTX_set_client_cert_cb< / strong > (SSL_CTX *ctx, int (*cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_ct_validation_callback" class = "item" > int < strong > SSL_CTX_set_ct_validation_callback< / strong > (SSL_CTX *ctx, ssl_ct_validation_cb callback, void *arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_default_passwd_cb" class = "item" > void < strong > SSL_CTX_set_default_passwd_cb< / strong > (SSL_CTX *ctx, int (*cb);(void))< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_default_read_ahead" class = "item" > void < strong > SSL_CTX_set_default_read_ahead< / strong > (SSL_CTX *ctx, int m);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_default_verify_paths" class = "item" > int < strong > SSL_CTX_set_default_verify_paths< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dd >
< p > Use the default paths to locate trusted CA certificates. There is one default
directory path and one default file path. Both are set via this call.< / p >
< / dd >
< dt > < strong > < a name = "ssl_ctx_set_default_verify_dir" class = "item" > int < strong > SSL_CTX_set_default_verify_dir< / strong > (SSL_CTX *ctx)< / a > < / strong > < / dt >
< dd >
< p > Use the default directory path to locate trusted CA certificates.< / p >
< / dd >
< dt > < strong > < a name = "ssl_ctx_set_default_verify_file" class = "item" > int < strong > SSL_CTX_set_default_verify_file< / strong > (SSL_CTX *ctx)< / a > < / strong > < / dt >
< dd >
< p > Use the file path to locate trusted CA certificates.< / p >
< / dd >
< dt > < strong > < a name = "ssl_ctx_set_ex_data" class = "item" > int < strong > SSL_CTX_set_ex_data< / strong > (SSL_CTX *s, int idx, char *arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_info_callback" class = "item" > void < strong > SSL_CTX_set_info_callback< / strong > (SSL_CTX *ctx, void (*cb)(SSL *ssl, int cb, int ret));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_msg_callback" class = "item" > void < strong > SSL_CTX_set_msg_callback< / strong > (SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_msg_callback_arg" class = "item" > void < strong > SSL_CTX_set_msg_callback_arg< / strong > (SSL_CTX *ctx, void *arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_clear_options" class = "item" > unsigned long < strong > SSL_CTX_clear_options< / strong > (SSL_CTX *ctx, unsigned long op);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get_options" class = "item" > unsigned long < strong > SSL_CTX_get_options< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_options" class = "item" > unsigned long < strong > SSL_CTX_set_options< / strong > (SSL_CTX *ctx, unsigned long op);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_quiet_shutdown" class = "item" > void < strong > SSL_CTX_set_quiet_shutdown< / strong > (SSL_CTX *ctx, int mode);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_read_ahead" class = "item" > void < strong > SSL_CTX_set_read_ahead< / strong > (SSL_CTX *ctx, int m);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_session_cache_mode" class = "item" > void < strong > SSL_CTX_set_session_cache_mode< / strong > (SSL_CTX *ctx, int mode);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_ssl_version" class = "item" > int < strong > SSL_CTX_set_ssl_version< / strong > (SSL_CTX *ctx, const SSL_METHOD *meth);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_timeout" class = "item" > void < strong > SSL_CTX_set_timeout< / strong > (SSL_CTX *ctx, long t);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_tmp_dh" class = "item" > long < strong > SSL_CTX_set_tmp_dh< / strong > (SSL_CTX* ctx, DH *dh);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_tmp_dh_callback" class = "item" > long < strong > SSL_CTX_set_tmp_dh_callback< / strong > (SSL_CTX *ctx, DH *(*cb)(void));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_verify" class = "item" > void < strong > SSL_CTX_set_verify< / strong > (SSL_CTX *ctx, int mode, int (*cb);(void))< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_privatekey" class = "item" > int < strong > SSL_CTX_use_PrivateKey< / strong > (SSL_CTX *ctx, EVP_PKEY *pkey);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_privatekey_asn1" class = "item" > int < strong > SSL_CTX_use_PrivateKey_ASN1< / strong > (int type, SSL_CTX *ctx, unsigned char *d, long len);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_privatekey_file" class = "item" > int < strong > SSL_CTX_use_PrivateKey_file< / strong > (SSL_CTX *ctx, const char *file, int type);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_rsaprivatekey" class = "item" > int < strong > SSL_CTX_use_RSAPrivateKey< / strong > (SSL_CTX *ctx, RSA *rsa);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_rsaprivatekey_asn1" class = "item" > int < strong > SSL_CTX_use_RSAPrivateKey_ASN1< / strong > (SSL_CTX *ctx, unsigned char *d, long len);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_rsaprivatekey_file" class = "item" > int < strong > SSL_CTX_use_RSAPrivateKey_file< / strong > (SSL_CTX *ctx, const char *file, int type);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_certificate" class = "item" > int < strong > SSL_CTX_use_certificate< / strong > (SSL_CTX *ctx, X509 *x);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_certificate_asn1" class = "item" > int < strong > SSL_CTX_use_certificate_ASN1< / strong > (SSL_CTX *ctx, int len, unsigned char *d);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_certificate_file" class = "item" > int < strong > SSL_CTX_use_certificate_file< / strong > (SSL_CTX *ctx, const char *file, int type);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_cert_and_key" class = "item" > int < strong > SSL_CTX_use_cert_and_key< / strong > (SSL_CTX *ctx, X509 *x, EVP_PKEY *pkey, STACK_OF(X509) *chain, int override);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get0_certificate" class = "item" > X509 *< strong > SSL_CTX_get0_certificate< / strong > (const SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_get0_privatekey" class = "item" > EVP_PKEY *< strong > SSL_CTX_get0_privatekey< / strong > (const SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_psk_client_callback" class = "item" > void < strong > SSL_CTX_set_psk_client_callback< / strong > (SSL_CTX *ctx, unsigned int (*callback)(SSL *ssl, const char *hint, char *identity, unsigned int max_identity_len, unsigned char *psk, unsigned int max_psk_len));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_use_psk_identity_hint" class = "item" > int < strong > SSL_CTX_use_psk_identity_hint< / strong > (SSL_CTX *ctx, const char *hint);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_ctx_set_psk_server_callback" class = "item" > void < strong > SSL_CTX_set_psk_server_callback< / strong > (SSL_CTX *ctx, unsigned int (*callback)(SSL *ssl, const char *identity, unsigned char *psk, int max_psk_len));< / a > < / strong > < / dt >
< / dl >
< p >
< / p >
< h2 > < a name = "dealing_with_sessions" > Dealing with Sessions< / a > < / h2 >
< p > Here we document the various API functions which deal with the SSL/TLS
sessions defined in the < strong > SSL_SESSION< / strong > structures.< / p >
< dl >
< dt > < strong > < a name = "ssl_session_cmp" class = "item" > int < strong > SSL_SESSION_cmp< / strong > (const SSL_SESSION *a, const SSL_SESSION *b);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_free" class = "item" > void < strong > SSL_SESSION_free< / strong > (SSL_SESSION *ss);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_get_app_data" class = "item" > char *< strong > SSL_SESSION_get_app_data< / strong > (SSL_SESSION *s);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_get_ex_data" class = "item" > char *< strong > SSL_SESSION_get_ex_data< / strong > (const SSL_SESSION *s, int idx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_get_ex_new_index" class = "item" > int < strong > SSL_SESSION_get_ex_new_index< / strong > (long argl, char *argp, int (*new_func);(void), int (*dup_func)(void), void (*free_func)(void))< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_get_time" class = "item" > long < strong > SSL_SESSION_get_time< / strong > (const SSL_SESSION *s);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_get_timeout" class = "item" > long < strong > SSL_SESSION_get_timeout< / strong > (const SSL_SESSION *s);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_hash" class = "item" > unsigned long < strong > SSL_SESSION_hash< / strong > (const SSL_SESSION *a);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_new" class = "item" > SSL_SESSION *< strong > SSL_SESSION_new< / strong > (void);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_print" class = "item" > int < strong > SSL_SESSION_print< / strong > (BIO *bp, const SSL_SESSION *x);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_print_fp" class = "item" > int < strong > SSL_SESSION_print_fp< / strong > (FILE *fp, const SSL_SESSION *x);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_set_app_data" class = "item" > int < strong > SSL_SESSION_set_app_data< / strong > (SSL_SESSION *s, char *a);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_set_ex_data" class = "item" > int < strong > SSL_SESSION_set_ex_data< / strong > (SSL_SESSION *s, int idx, char *arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_set_time" class = "item" > long < strong > SSL_SESSION_set_time< / strong > (SSL_SESSION *s, long t);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_set_timeout" class = "item" > long < strong > SSL_SESSION_set_timeout< / strong > (SSL_SESSION *s, long t);< / a > < / strong > < / dt >
< / dl >
< p >
< / p >
< h2 > < a name = "dealing_with_connections" > Dealing with Connections< / a > < / h2 >
< p > Here we document the various API functions which deal with the SSL/TLS
connection defined in the < strong > SSL< / strong > structure.< / p >
< dl >
< dt > < strong > < a name = "ssl_accept" class = "item" > int < strong > SSL_accept< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_add_dir_cert_subjects_to_stack" class = "item" > int < strong > SSL_add_dir_cert_subjects_to_stack< / strong > (STACK *stack, const char *dir);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_add_file_cert_subjects_to_stack" class = "item" > int < strong > SSL_add_file_cert_subjects_to_stack< / strong > (STACK *stack, const char *file);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_add_client_ca" class = "item" > int < strong > SSL_add_client_CA< / strong > (SSL *ssl, X509 *x);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_alert_desc_string" class = "item" > char *< strong > SSL_alert_desc_string< / strong > (int value);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_alert_desc_string_long" class = "item" > char *< strong > SSL_alert_desc_string_long< / strong > (int value);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_alert_type_string" class = "item" > char *< strong > SSL_alert_type_string< / strong > (int value);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_alert_type_string_long" class = "item" > char *< strong > SSL_alert_type_string_long< / strong > (int value);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_check_private_key" class = "item" > int < strong > SSL_check_private_key< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_clear" class = "item" > void < strong > SSL_clear< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_clear_num_renegotiations" class = "item" > long < strong > SSL_clear_num_renegotiations< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_connect" class = "item" > int < strong > SSL_connect< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_copy_session_id" class = "item" > int < strong > SSL_copy_session_id< / strong > (SSL *t, const SSL *f);< / a > < / strong > < / dt >
< dd >
< p > Sets the session details for < strong > t< / strong > to be the same as in < strong > f< / strong > . Returns 1 on
success or 0 on failure.< / p >
< / dd >
< dt > < strong > < a name = "ssl_ctrl" class = "item" > long < strong > SSL_ctrl< / strong > (SSL *ssl, int cmd, long larg, char *parg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_do_handshake" class = "item" > int < strong > SSL_do_handshake< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_dup" class = "item" > SSL *< strong > SSL_dup< / strong > (SSL *ssl);< / a > < / strong > < / dt >
2020-03-02 11:50:34 -05:00
< dd >
2020-03-02 12:19:21 -05:00
< p > < a href = "#ssl_dup" > < code > SSL_dup()< / code > < / a > allows applications to configure an SSL handle for use
in multiple SSL connections, and then duplicate it prior to initiating
each connection with the duplicated handle.
Use of < a href = "#ssl_dup" > < code > SSL_dup()< / code > < / a > avoids the need to repeat the configuration of the
handles for each connection.< / p >
< p > For < a href = "#ssl_dup" > < code > SSL_dup()< / code > < / a > to work, the connection MUST be in its initial state
and MUST NOT have not yet have started the SSL handshake.
For connections that are not in their initial state < a href = "#ssl_dup" > < code > SSL_dup()< / code > < / a > just
increments an internal reference count and returns the < em > same< / em >
handle.
It may be possible to use < a href = "#ssl_clear" > SSL_clear(3)< / a > to recycle an SSL handle
that is not in its initial state for re-use, but this is best
avoided.
Instead, save and restore the session, if desired, and construct a
fresh handle for each connection.< / p >
2020-03-02 11:50:34 -05:00
< / dd >
2020-03-02 12:19:21 -05:00
< dt > < strong > < a name = "ssl_dup_ca_list" class = "item" > STACK *< strong > SSL_dup_CA_list< / strong > (STACK *sk);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_free" class = "item" > void < strong > SSL_free< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_ssl_ctx" class = "item" > SSL_CTX *< strong > SSL_get_SSL_CTX< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_app_data" class = "item" > char *< strong > SSL_get_app_data< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_certificate" class = "item" > X509 *< strong > SSL_get_certificate< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_cipher" class = "item" > const char *< strong > SSL_get_cipher< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_is_dtls" class = "item" > int < strong > SSL_is_dtls< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_cipher_bits" class = "item" > int < strong > SSL_get_cipher_bits< / strong > (const SSL *ssl, int *alg_bits);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_cipher_list" class = "item" > char *< strong > SSL_get_cipher_list< / strong > (const SSL *ssl, int n);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_cipher_name" class = "item" > char *< strong > SSL_get_cipher_name< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_cipher_version" class = "item" > char *< strong > SSL_get_cipher_version< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_ciphers" class = "item" > STACK *< strong > SSL_get_ciphers< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_client_ca_list" class = "item" > STACK *< strong > SSL_get_client_CA_list< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_current_cipher" class = "item" > SSL_CIPHER *< strong > SSL_get_current_cipher< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_default_timeout" class = "item" > long < strong > SSL_get_default_timeout< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_error" class = "item" > int < strong > SSL_get_error< / strong > (const SSL *ssl, int i);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_ex_data" class = "item" > char *< strong > SSL_get_ex_data< / strong > (const SSL *ssl, int idx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_ex_data_x509_store_ctx_idx" class = "item" > int < strong > SSL_get_ex_data_X509_STORE_CTX_idx< / strong > (void);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_ex_new_index" class = "item" > int < strong > SSL_get_ex_new_index< / strong > (long argl, char *argp, int (*new_func);(void), int (*dup_func)(void), void (*free_func)(void))< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_fd" class = "item" > int < strong > SSL_get_fd< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > void (*< strong > SSL_get_info_callback< / strong > (const SSL *ssl);)()< / strong > < / dt >
< dt > < strong > < a name = "ssl_get_key_update_type" class = "item" > int < strong > SSL_get_key_update_type< / strong > (SSL *s);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_peer_cert_chain" class = "item" > STACK *< strong > SSL_get_peer_cert_chain< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_peer_certificate" class = "item" > X509 *< strong > SSL_get_peer_certificate< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "stack_of" class = "item" > const STACK_OF(SCT) *< strong > SSL_get0_peer_scts< / strong > (SSL *s);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_privatekey" class = "item" > EVP_PKEY *< strong > SSL_get_privatekey< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_quiet_shutdown" class = "item" > int < strong > SSL_get_quiet_shutdown< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_rbio" class = "item" > BIO *< strong > SSL_get_rbio< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_read_ahead" class = "item" > int < strong > SSL_get_read_ahead< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_session" class = "item" > SSL_SESSION *< strong > SSL_get_session< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_shared_ciphers" class = "item" > char *< strong > SSL_get_shared_ciphers< / strong > (const SSL *ssl, char *buf, int size);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_shutdown" class = "item" > int < strong > SSL_get_shutdown< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_ssl_method" class = "item" > const SSL_METHOD *< strong > SSL_get_ssl_method< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_state" class = "item" > int < strong > SSL_get_state< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_time" class = "item" > long < strong > SSL_get_time< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_timeout" class = "item" > long < strong > SSL_get_timeout< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > int (*< strong > SSL_get_verify_callback< / strong > (const SSL *ssl))(int, X509_STORE_CTX *)< / strong > < / dt >
< dt > < strong > < a name = "ssl_get_verify_mode" class = "item" > int < strong > SSL_get_verify_mode< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_verify_result" class = "item" > long < strong > SSL_get_verify_result< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_version" class = "item" > char *< strong > SSL_get_version< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_wbio" class = "item" > BIO *< strong > SSL_get_wbio< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_in_accept_init" class = "item" > int < strong > SSL_in_accept_init< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_in_before" class = "item" > int < strong > SSL_in_before< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_in_connect_init" class = "item" > int < strong > SSL_in_connect_init< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_in_init" class = "item" > int < strong > SSL_in_init< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_is_init_finished" class = "item" > int < strong > SSL_is_init_finished< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_key_update" class = "item" > int < strong > SSL_key_update< / strong > (SSL *s, int updatetype);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_load_client_ca_file" class = "item" > STACK *< strong > SSL_load_client_CA_file< / strong > (const char *file);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_new" class = "item" > SSL *< strong > SSL_new< / strong > (SSL_CTX *ctx);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_up_ref" class = "item" > int SSL_up_ref(SSL *s);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_num_renegotiations" class = "item" > long < strong > SSL_num_renegotiations< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_peek" class = "item" > int < strong > SSL_peek< / strong > (SSL *ssl, void *buf, int num);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_pending" class = "item" > int < strong > SSL_pending< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_read" class = "item" > int < strong > SSL_read< / strong > (SSL *ssl, void *buf, int num);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_renegotiate" class = "item" > int < strong > SSL_renegotiate< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_rstate_string" class = "item" > char *< strong > SSL_rstate_string< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_rstate_string_long" class = "item" > char *< strong > SSL_rstate_string_long< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_session_reused" class = "item" > long < strong > SSL_session_reused< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_accept_state" class = "item" > void < strong > SSL_set_accept_state< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_app_data" class = "item" > void < strong > SSL_set_app_data< / strong > (SSL *ssl, char *arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_bio" class = "item" > void < strong > SSL_set_bio< / strong > (SSL *ssl, BIO *rbio, BIO *wbio);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_cipher_list" class = "item" > int < strong > SSL_set_cipher_list< / strong > (SSL *ssl, char *str);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_client_ca_list" class = "item" > void < strong > SSL_set_client_CA_list< / strong > (SSL *ssl, STACK *list);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_connect_state" class = "item" > void < strong > SSL_set_connect_state< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_ct_validation_callback" class = "item" > int < strong > SSL_set_ct_validation_callback< / strong > (SSL *ssl, ssl_ct_validation_cb callback, void *arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_ex_data" class = "item" > int < strong > SSL_set_ex_data< / strong > (SSL *ssl, int idx, char *arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_fd" class = "item" > int < strong > SSL_set_fd< / strong > (SSL *ssl, int fd);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_info_callback" class = "item" > void < strong > SSL_set_info_callback< / strong > (SSL *ssl, void (*cb);(void))< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_msg_callback" class = "item" > void < strong > SSL_set_msg_callback< / strong > (SSL *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_msg_callback_arg" class = "item" > void < strong > SSL_set_msg_callback_arg< / strong > (SSL *ctx, void *arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_clear_options" class = "item" > unsigned long < strong > SSL_clear_options< / strong > (SSL *ssl, unsigned long op);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_options" class = "item" > unsigned long < strong > SSL_get_options< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_options" class = "item" > unsigned long < strong > SSL_set_options< / strong > (SSL *ssl, unsigned long op);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_quiet_shutdown" class = "item" > void < strong > SSL_set_quiet_shutdown< / strong > (SSL *ssl, int mode);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_read_ahead" class = "item" > void < strong > SSL_set_read_ahead< / strong > (SSL *ssl, int yes);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_rfd" class = "item" > int < strong > SSL_set_rfd< / strong > (SSL *ssl, int fd);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_session" class = "item" > int < strong > SSL_set_session< / strong > (SSL *ssl, SSL_SESSION *session);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_shutdown" class = "item" > void < strong > SSL_set_shutdown< / strong > (SSL *ssl, int mode);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_ssl_method" class = "item" > int < strong > SSL_set_ssl_method< / strong > (SSL *ssl, const SSL_METHOD *meth);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_time" class = "item" > void < strong > SSL_set_time< / strong > (SSL *ssl, long t);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_timeout" class = "item" > void < strong > SSL_set_timeout< / strong > (SSL *ssl, long t);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_verify" class = "item" > void < strong > SSL_set_verify< / strong > (SSL *ssl, int mode, int (*callback);(void))< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_verify_result" class = "item" > void < strong > SSL_set_verify_result< / strong > (SSL *ssl, long arg);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_wfd" class = "item" > int < strong > SSL_set_wfd< / strong > (SSL *ssl, int fd);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_shutdown" class = "item" > int < strong > SSL_shutdown< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > OSSL_HANDSHAKE_STATE < strong > SSL_get_state< / strong > (const SSL *ssl);< / strong > < / dt >
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< dd >
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< p > Returns the current handshake state.< / p >
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< / dd >
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< dt > < strong > < a name = "ssl_state_string" class = "item" > char *< strong > SSL_state_string< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_state_string_long" class = "item" > char *< strong > SSL_state_string_long< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_total_renegotiations" class = "item" > long < strong > SSL_total_renegotiations< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_privatekey" class = "item" > int < strong > SSL_use_PrivateKey< / strong > (SSL *ssl, EVP_PKEY *pkey);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_privatekey_asn1" class = "item" > int < strong > SSL_use_PrivateKey_ASN1< / strong > (int type, SSL *ssl, unsigned char *d, long len);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_privatekey_file" class = "item" > int < strong > SSL_use_PrivateKey_file< / strong > (SSL *ssl, const char *file, int type);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_rsaprivatekey" class = "item" > int < strong > SSL_use_RSAPrivateKey< / strong > (SSL *ssl, RSA *rsa);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_rsaprivatekey_asn1" class = "item" > int < strong > SSL_use_RSAPrivateKey_ASN1< / strong > (SSL *ssl, unsigned char *d, long len);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_rsaprivatekey_file" class = "item" > int < strong > SSL_use_RSAPrivateKey_file< / strong > (SSL *ssl, const char *file, int type);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_certificate" class = "item" > int < strong > SSL_use_certificate< / strong > (SSL *ssl, X509 *x);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_certificate_asn1" class = "item" > int < strong > SSL_use_certificate_ASN1< / strong > (SSL *ssl, int len, unsigned char *d);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_certificate_file" class = "item" > int < strong > SSL_use_certificate_file< / strong > (SSL *ssl, const char *file, int type);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_cert_and_key" class = "item" > int < strong > SSL_use_cert_and_key< / strong > (SSL *ssl, X509 *x, EVP_PKEY *pkey, STACK_OF(X509) *chain, int override);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_version" class = "item" > int < strong > SSL_version< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_want" class = "item" > int < strong > SSL_want< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_want_nothing" class = "item" > int < strong > SSL_want_nothing< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_want_read" class = "item" > int < strong > SSL_want_read< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_want_write" class = "item" > int < strong > SSL_want_write< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_want_x509_lookup" class = "item" > int < strong > SSL_want_x509_lookup< / strong > (const SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_write" class = "item" > int < strong > SSL_write< / strong > (SSL *ssl, const void *buf, int num);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_psk_client_callback" class = "item" > void < strong > SSL_set_psk_client_callback< / strong > (SSL *ssl, unsigned int (*callback)(SSL *ssl, const char *hint, char *identity, unsigned int max_identity_len, unsigned char *psk, unsigned int max_psk_len));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_use_psk_identity_hint" class = "item" > int < strong > SSL_use_psk_identity_hint< / strong > (SSL *ssl, const char *hint);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_set_psk_server_callback" class = "item" > void < strong > SSL_set_psk_server_callback< / strong > (SSL *ssl, unsigned int (*callback)(SSL *ssl, const char *identity, unsigned char *psk, int max_psk_len));< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_psk_identity_hint" class = "item" > const char *< strong > SSL_get_psk_identity_hint< / strong > (SSL *ssl);< / a > < / strong > < / dt >
< dt > < strong > < a name = "ssl_get_psk_identity" class = "item" > const char *< strong > SSL_get_psk_identity< / strong > (SSL *ssl);< / a > < / strong > < / dt >
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< / dl >
< p >
< / p >
< hr / >
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< h1 > < a name = "return_values" > RETURN VALUES< / a > < / h1 >
< p > See the individual manual pages for details.< / p >
< p >
< / p >
< hr / >
< h1 > < a name = "see_also" > SEE ALSO< / a > < / h1 >
< p > < em > openssl(1)< / em > , < em > crypto(7)< / em > ,
< em > CRYPTO_get_ex_new_index(3)< / em > ,
< a href = "#ssl_accept" > SSL_accept(3)< / a > , < a href = "#ssl_clear" > SSL_clear(3)< / a > ,
< a href = "#ssl_connect" > SSL_connect(3)< / a > ,
< a href = "#ssl_cipher_get_name" > SSL_CIPHER_get_name(3)< / a > ,
< em > SSL_COMP_add_compression_method(3)< / em > ,
< a href = "#ssl_ctx_add_extra_chain_cert" > SSL_CTX_add_extra_chain_cert(3)< / a > ,
< a href = "#ssl_ctx_add_session" > SSL_CTX_add_session(3)< / a > ,
< a href = "#ssl_ctx_ctrl" > SSL_CTX_ctrl(3)< / a > ,
< a href = "#ssl_ctx_flush_sessions" > SSL_CTX_flush_sessions(3)< / a > ,
< a href = "#ssl_ctx_get_verify_mode" > SSL_CTX_get_verify_mode(3)< / a > ,
< a href = "#ssl_ctx_load_verify_locations" > SSL_CTX_load_verify_locations(3)< / a >
< a href = "#ssl_ctx_new" > SSL_CTX_new(3)< / a > ,
< a href = "#ssl_ctx_sess_number" > SSL_CTX_sess_number(3)< / a > ,
< a href = "#ssl_ctx_sess_set_cache_size" > SSL_CTX_sess_set_cache_size(3)< / a > ,
< a href = "#ssl_ctx_sess_set_get_cb" > SSL_CTX_sess_set_get_cb(3)< / a > ,
< a href = "#ssl_ctx_sessions" > SSL_CTX_sessions(3)< / a > ,
< a href = "#ssl_ctx_set_cert_store" > SSL_CTX_set_cert_store(3)< / a > ,
< em > SSL_CTX_set_cert_verify_callback(3)< / em > ,
< a href = "#ssl_ctx_set_cipher_list" > SSL_CTX_set_cipher_list(3)< / a > ,
< a href = "#ssl_ctx_set_client_ca_list" > SSL_CTX_set_client_CA_list(3)< / a > ,
< a href = "#ssl_ctx_set_client_cert_cb" > SSL_CTX_set_client_cert_cb(3)< / a > ,
< a href = "#ssl_ctx_set_default_passwd_cb" > SSL_CTX_set_default_passwd_cb(3)< / a > ,
< em > SSL_CTX_set_generate_session_id(3)< / em > ,
< a href = "#ssl_ctx_set_info_callback" > SSL_CTX_set_info_callback(3)< / a > ,
< em > SSL_CTX_set_max_cert_list(3)< / em > ,
< em > SSL_CTX_set_mode(3)< / em > ,
< a href = "#ssl_ctx_set_msg_callback" > SSL_CTX_set_msg_callback(3)< / a > ,
< a href = "#ssl_ctx_set_options" > SSL_CTX_set_options(3)< / a > ,
< a href = "#ssl_ctx_set_quiet_shutdown" > SSL_CTX_set_quiet_shutdown(3)< / a > ,
< a href = "#ssl_ctx_set_read_ahead" > SSL_CTX_set_read_ahead(3)< / a > ,
< em > SSL_CTX_set_security_level(3)< / em > ,
< a href = "#ssl_ctx_set_session_cache_mode" > SSL_CTX_set_session_cache_mode(3)< / a > ,
< em > SSL_CTX_set_session_id_context(3)< / em > ,
< a href = "#ssl_ctx_set_ssl_version" > SSL_CTX_set_ssl_version(3)< / a > ,
< a href = "#ssl_ctx_set_timeout" > SSL_CTX_set_timeout(3)< / a > ,
< a href = "#ssl_ctx_set_tmp_dh_callback" > SSL_CTX_set_tmp_dh_callback(3)< / a > ,
< a href = "#ssl_ctx_set_verify" > SSL_CTX_set_verify(3)< / a > ,
< a href = "#ssl_ctx_use_certificate" > SSL_CTX_use_certificate(3)< / a > ,
< a href = "#ssl_alert_type_string" > SSL_alert_type_string(3)< / a > ,
< a href = "#ssl_do_handshake" > SSL_do_handshake(3)< / a > ,
< em > SSL_enable_ct(3)< / em > ,
< a href = "#ssl_get_ssl_ctx" > SSL_get_SSL_CTX(3)< / a > ,
< a href = "#ssl_get_ciphers" > SSL_get_ciphers(3)< / a > ,
< a href = "#ssl_get_client_ca_list" > SSL_get_client_CA_list(3)< / a > ,
< a href = "#ssl_get_default_timeout" > SSL_get_default_timeout(3)< / a > ,
< a href = "#ssl_get_error" > SSL_get_error(3)< / a > ,
< a href = "#ssl_get_ex_data_x509_store_ctx_idx" > SSL_get_ex_data_X509_STORE_CTX_idx(3)< / a > ,
< a href = "#ssl_get_fd" > SSL_get_fd(3)< / a > ,
< a href = "#ssl_get_peer_cert_chain" > SSL_get_peer_cert_chain(3)< / a > ,
< a href = "#ssl_get_rbio" > SSL_get_rbio(3)< / a > ,
< a href = "#ssl_get_session" > SSL_get_session(3)< / a > ,
< a href = "#ssl_get_verify_result" > SSL_get_verify_result(3)< / a > ,
< a href = "#ssl_get_version" > SSL_get_version(3)< / a > ,
< a href = "#ssl_load_client_ca_file" > SSL_load_client_CA_file(3)< / a > ,
< a href = "#ssl_new" > SSL_new(3)< / a > ,
< a href = "#ssl_pending" > SSL_pending(3)< / a > ,
< em > SSL_read_ex(3)< / em > ,
< a href = "#ssl_read" > SSL_read(3)< / a > ,
< a href = "#ssl_rstate_string" > SSL_rstate_string(3)< / a > ,
< a href = "#ssl_session_reused" > SSL_session_reused(3)< / a > ,
< a href = "#ssl_set_bio" > SSL_set_bio(3)< / a > ,
< a href = "#ssl_set_connect_state" > SSL_set_connect_state(3)< / a > ,
< a href = "#ssl_set_fd" > SSL_set_fd(3)< / a > ,
< a href = "#ssl_set_session" > SSL_set_session(3)< / a > ,
< a href = "#ssl_set_shutdown" > SSL_set_shutdown(3)< / a > ,
< a href = "#ssl_shutdown" > SSL_shutdown(3)< / a > ,
< a href = "#ssl_state_string" > SSL_state_string(3)< / a > ,
< a href = "#ssl_want" > SSL_want(3)< / a > ,
< em > SSL_write_ex(3)< / em > ,
< a href = "#ssl_write" > SSL_write(3)< / a > ,
< a href = "#ssl_session_free" > SSL_SESSION_free(3)< / a > ,
< a href = "#ssl_session_get_time" > SSL_SESSION_get_time(3)< / a > ,
< em > d2i_SSL_SESSION(3)< / em > ,
< a href = "#ssl_ctx_set_psk_client_callback" > SSL_CTX_set_psk_client_callback(3)< / a > ,
< a href = "#ssl_ctx_use_psk_identity_hint" > SSL_CTX_use_psk_identity_hint(3)< / a > ,
< a href = "#ssl_get_psk_identity" > SSL_get_psk_identity(3)< / a > ,
< em > DTLSv1_listen(3)< / em > < / p >
< p >
< / p >
< hr / >
< h1 > < a name = "history" > HISTORY< / a > < / h1 >
< p > < strong > SSLv2_client_method< / strong > , < strong > SSLv2_server_method< / strong > and < strong > SSLv2_method< / strong > were removed
in OpenSSL 1.1.0.< / p >
< p > The return type of < strong > SSL_copy_session_id< / strong > was changed from void to int in
OpenSSL 1.1.0.< / p >
< p >
< / p >
< hr / >
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< h1 > < a name = "copyright" > COPYRIGHT< / a > < / h1 >
< p > Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.< / p >
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< p > Licensed under the OpenSSL license (the " License" ). You may not use
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this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
< a href = "https://www.openssl.org/source/license.html" > https://www.openssl.org/source/license.html< / a > .< / p >
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