Data Structures
class	DTLS_con
	Contains information regarding a DTLS connection having UdpClient udp and IPEndPoint ep. Used to keep memory alive. More...

Public Member Functions
delegate int	CallbackIORecv_delegate (IntPtr ssl, IntPtr buf, int sz, IntPtr ctx)

delegate int	CallbackIOSend_delegate (IntPtr ssl, IntPtr buf, int sz, IntPtr ctx)

delegate uint	psk_delegate (IntPtr ssl, string identity, IntPtr key, uint max_sz)

delegate uint	psk_client_delegate (IntPtr ssl, string hint, IntPtr identity, uint id_max_len, IntPtr key, uint max_sz)

delegate void	loggingCb (int lvl, StringBuilder msg)

delegate int	CallbackVerify_delegate (int ret, IntPtr x509_ctx)

Static Public Member Functions
static IntPtr	new_ssl (IntPtr ctx)
	Create a new ssl structure More...

static int	accept (IntPtr ssl)
	Used for a server to accept a connection More...

static int	connect (IntPtr ssl)
	Used for a client to connect More...

static int	read (IntPtr ssl, StringBuilder buf, int sz)
	Read message from secure connection More...

static int	read (IntPtr ssl, byte[] buf, int sz)
	Read message from secure connection using a byte array More...

static int	write (IntPtr ssl, StringBuilder buf, int sz)
	Write message to secure connection More...

static int	write (IntPtr ssl, byte[] buf, int sz)
	Write message to secure connection More...

static void	free (IntPtr ssl)
	Free information stored in ssl struct More...

static int	shutdown (IntPtr ssl)
	Shutdown a connection More...

static void	SetIORecv (IntPtr ctx, CallbackIORecv_delegate func)
	Optional, can be used to set a custom receive function More...

static void	SetIOSend (IntPtr ctx, CallbackIOSend_delegate func)
	Optional, can be used to set a custom send function More...

static IntPtr	CTX_new (IntPtr method)
	Create a new CTX structure More...

static IntPtr	CTX_dtls_new (IntPtr method)
	Create a new CTX structure for a DTLS connection More...

static void	CTX_free (IntPtr ctx)
	Free information used in CTX structure More...

static int	CTX_use_psk_identity_hint (IntPtr ctx, StringBuilder hint)
	Set identity hint to use More...

static void	CTX_set_psk_server_callback (IntPtr ctx, psk_delegate psk_cb)
	Set the function to use for PSK connections More...

static void	CTX_set_psk_client_callback (IntPtr ctx, psk_client_delegate psk_cb)
	Set the function to use for PSK connections More...

static void	set_psk_server_callback (IntPtr ssl, psk_delegate psk_cb)
	Set the function to use for PSK connections on a single TLS/DTLS connection More...

static int	set_fd (IntPtr ssl, Socket fd)
	Set Socket for TLS connection More...

static Socket	get_fd (IntPtr ssl)
	Get socket of a TLS connection More...

static int	set_dtls_fd (IntPtr ssl, UdpClient udp, IPEndPoint ep)
	Set information needed to send and receive a DTLS connection More...

static DTLS_con	get_dtls_fd (IntPtr ssl)
	Get the pointer to DTLS_con class used for connection More...

static int	get_ciphers (StringBuilder list, int sz)
	Get available cipher suites More...

static int	Init ()
	Initialize wolfSSL library More...

static int	Cleanup ()
	Clean up wolfSSL library memory More...

static IntPtr	useTLSv1_2_server ()
	Set up TLS version 1.2 method More...

static IntPtr	useTLSv1_3_server ()
	Set up TLS version 1.3 method More...

static IntPtr	usev23_server ()
	Use any TLS version More...

static IntPtr	useTLSv1_2_client ()
	Set up TLS version 1.2 method More...

static IntPtr	useTLSv1_3_client ()
	Set up TLS version 1.3 method More...

static IntPtr	usev23_client ()
	Use any TLS version More...

static IntPtr	useDTLSv1_2_server ()
	Set up DTLS version 1.2 More...

static IntPtr	useDTLSv1_2_client ()
	Set up DTLS version 1.2 More...

static string	get_current_cipher (IntPtr ssl)
	Gets the current cipher suite being used in connection More...

static int	CTX_set_cipher_list (IntPtr ctx, StringBuilder list)
	Set available cipher suites for all ssl structs created from ctx More...

static int	set_cipher_list (IntPtr ssl, StringBuilder list)
	Set available cipher suite in local connection More...

static string	get_version (IntPtr ssl)
	Gets the version of the connection made ie TLSv1.2 More...

static string	get_error (IntPtr ssl)
	Get a string containing error value and reason More...

static int	CTX_use_certificate_file (IntPtr ctx, string fileCert, int type)
	Used to load in the certificate file More...

static int	CTX_load_verify_locations (IntPtr ctx, string fileCert, string path)
	Used to load in the peer trusted root file More...

static int	CTX_use_PrivateKey_file (IntPtr ctx, string fileKey, int type)
	Used to load in the private key from a file More...

static int	SetTmpDH_file (IntPtr ssl, StringBuilder dhparam, int file_type)
	Set temporary DH parameters More...

static int	CTX_SetTmpDH_file (IntPtr ctx, StringBuilder dhparam, int file_type)
	Set temporary DH parameters More...

static int	CTX_SetMinDhKey_Sz (IntPtr ctx, short minDhKey)
	Used to set the minimum size of DH key More...

static int	CTX_set_verify (IntPtr ctx, int mode, CallbackVerify_delegate vc)
	Set the certificate verification mode and optional callback function More...

static int	set_verify (IntPtr ssl, int mode, CallbackVerify_delegate vc)
	Set the certificate verification mode and optional callback function More...

static int	SetLogging (loggingCb input)
	Set the function to use for logging More...

static void	log (int lvl, string msg)
	Log a message to set logging function More...

Static Public Attributes
static readonly int	SSL_FILETYPE_PEM = 1

static readonly int	SSL_FILETYPE_ASN1 = 2

static readonly int	SSL_FILETYPE_RAW = 3

static readonly int	SSL_VERIFY_NONE = 0

static readonly int	SSL_VERIFY_PEER = 1

static readonly int	SSL_VERIFY_FAIL_IF_NO_PEER_CERT = 2

static readonly int	SSL_VERIFY_CLIENT_ONCE = 4

static readonly int	SSL_VERIFY_FAIL_EXCEPT_PSK = 8

static readonly int	CBIO_ERR_GENERAL = -1

static readonly int	CBIO_ERR_WANT_READ = -2

static readonly int	CBIO_ERR_WANT_WRITE = -2

static readonly int	CBIO_ERR_CONN_RST = -3

static readonly int	CBIO_ERR_ISR = -4

static readonly int	CBIO_ERR_CONN_CLOSE = -5

static readonly int	CBIO_ERR_TIMEOUT = -6

static readonly int	ERROR_LOG = 0

static readonly int	INFO_LOG = 1

static readonly int	ENTER_LOG = 2

static readonly int	LEAVE_LOG = 3

static readonly int	OTHER_LOG = 4

static readonly int	SUCCESS = 1

static readonly int	FAILURE = 0

Member Function Documentation

◆ accept()

static int wolfSSL.CSharp.wolfssl.accept ( IntPtr ssl )

inlinestatic

Used for a server to accept a connection

Parameters

ssl	structure containing info for connection

Returns: 1 on success

◆ Cleanup()

static int wolfSSL.CSharp.wolfssl.Cleanup ( )

inlinestatic

Clean up wolfSSL library memory

Returns: 1 on success

◆ connect()

static int wolfSSL.CSharp.wolfssl.connect ( IntPtr ssl )

inlinestatic

Used for a client to connect

Parameters

ssl	structure containing connection info

Returns: 1 on success

◆ CTX_dtls_new()

static IntPtr wolfSSL.CSharp.wolfssl.CTX_dtls_new ( IntPtr method )

inlinestatic

Create a new CTX structure for a DTLS connection

Parameters

method Method to use in connection ie DTLSv1.2

Returns

◆ CTX_free()

static void wolfSSL.CSharp.wolfssl.CTX_free ( IntPtr ctx )

inlinestatic

Free information used in CTX structure

Parameters

ctx	structure to free

◆ CTX_load_verify_locations()

static int wolfSSL.CSharp.wolfssl.CTX_load_verify_locations	(	IntPtr	ctx,
		string	fileCert,
		string	path
	)

inlinestatic

Used to load in the peer trusted root file

Parameters

ctx	CTX structure for TLS/SSL connections
fileCert	Name of the file to load including absolute path
type	path to multiple certificates (try to load all in path)

Returns: 1 on success

◆ CTX_new()

static IntPtr wolfSSL.CSharp.wolfssl.CTX_new ( IntPtr method )

inlinestatic

Create a new CTX structure

Parameters

method method to use such as TLSv1.2

Returns: pointer to CTX structure

◆ CTX_set_cipher_list()

static int wolfSSL.CSharp.wolfssl.CTX_set_cipher_list	(	IntPtr	ctx,
		StringBuilder	list
	)

inlinestatic

Set available cipher suites for all ssl structs created from ctx

Parameters

ctx	CTX structure to set
list	List full of ciphers suites

Returns: 1 on success

◆ CTX_set_psk_client_callback()

static void wolfSSL.CSharp.wolfssl.CTX_set_psk_client_callback	(	IntPtr	ctx,
		psk_client_delegate	psk_cb
	)

inlinestatic

Set the function to use for PSK connections

Parameters

ctx	pointer to CTX that the function is set in
psk_cb	PSK function to use

◆ CTX_set_psk_server_callback()

static void wolfSSL.CSharp.wolfssl.CTX_set_psk_server_callback	(	IntPtr	ctx,
		psk_delegate	psk_cb
	)

inlinestatic

Set the function to use for PSK connections

Parameters

ctx	pointer to CTX that the function is set in
psk_cb	PSK function to use

◆ CTX_set_verify()

static int wolfSSL.CSharp.wolfssl.CTX_set_verify	(	IntPtr	ctx,
		int	mode,
		CallbackVerify_delegate	vc
	)

inlinestatic

Set the certificate verification mode and optional callback function

Parameters

ctx	pointer to CTX that the function is set in
mode	See SSL_VERIFY options
vc	Optional verify callback function to use

◆ CTX_SetMinDhKey_Sz()

static int wolfSSL.CSharp.wolfssl.CTX_SetMinDhKey_Sz	(	IntPtr	ctx,
		short	minDhKey
	)

inlinestatic

Used to set the minimum size of DH key

Parameters

ctx	Structure to store key size
minDhKey	Min key size

Returns: 1 on success

◆ CTX_SetTmpDH_file()

static int wolfSSL.CSharp.wolfssl.CTX_SetTmpDH_file	(	IntPtr	ctx,
		StringBuilder	dhparam,
		int	file_type
	)

inlinestatic

Set temporary DH parameters

Parameters

ctx	Structure to set in
dhparam	file name
file_type	type of file ie PEM

Returns: 1 on success

◆ CTX_use_certificate_file()

static int wolfSSL.CSharp.wolfssl.CTX_use_certificate_file	(	IntPtr	ctx,
		string	fileCert,
		int	type
	)

inlinestatic

Used to load in the certificate file

Parameters

ctx	CTX structure for TLS/SSL connections
fileCert	Name of the file to load including absolute path
type	Type of file ie PEM or DER

Returns: 1 on success

◆ CTX_use_PrivateKey_file()

static int wolfSSL.CSharp.wolfssl.CTX_use_PrivateKey_file	(	IntPtr	ctx,
		string	fileKey,
		int	type
	)

inlinestatic

Used to load in the private key from a file

Parameters

ctx	CTX structure for TLS/SSL connections
fileKey	Name of the file, includeing absolute directory
type	Type of file ie PEM or DER

Returns: 1 on success

◆ CTX_use_psk_identity_hint()

static int wolfSSL.CSharp.wolfssl.CTX_use_psk_identity_hint	(	IntPtr	ctx,
		StringBuilder	hint
	)

inlinestatic

Set identity hint to use

Parameters

ctx	pointer to structure of ctx to set hint in
hint	hint to use

Returns: 1 on success

◆ free()

static void wolfSSL.CSharp.wolfssl.free ( IntPtr ssl )

inlinestatic

Free information stored in ssl struct

Parameters

ssl	pointer to ssl struct to free

◆ get_ciphers()

static int wolfSSL.CSharp.wolfssl.get_ciphers	(	StringBuilder	list,
		int	sz
	)

inlinestatic

Get available cipher suites

Parameters

list	list to fill with cipher suite names
sz	size of list available to fill

Returns: 1 on success

◆ get_current_cipher()

static string wolfSSL.CSharp.wolfssl.get_current_cipher ( IntPtr ssl )

inlinestatic

Gets the current cipher suite being used in connection

Parameters

ssl	SSL struct to get cipher suite from

Returns: string containing current cipher suite

◆ get_dtls_fd()

static DTLS_con wolfSSL.CSharp.wolfssl.get_dtls_fd ( IntPtr ssl )

inlinestatic

Get the pointer to DTLS_con class used for connection

Parameters

ssl	structure to get connection from

Returns: DTLS_con object

◆ get_error()

static string wolfSSL.CSharp.wolfssl.get_error ( IntPtr ssl )

inlinestatic

Get a string containing error value and reason

Parameters

ssl	SSL struct that had error

Returns: String containing error value and reason

◆ get_fd()

static Socket wolfSSL.CSharp.wolfssl.get_fd ( IntPtr ssl )

inlinestatic

Get socket of a TLS connection

Parameters

ssl	structure to get socket from

Returns: Socket object used for connection

◆ get_version()

static string wolfSSL.CSharp.wolfssl.get_version ( IntPtr ssl )

inlinestatic

Gets the version of the connection made ie TLSv1.2

Parameters

ssl	SSL struct to get version of

Returns: string containing version

◆ Init()

static int wolfSSL.CSharp.wolfssl.Init ( )

inlinestatic

Initialize wolfSSL library

Returns: 1 on success

◆ log()

static void wolfSSL.CSharp.wolfssl.log	(	int	lvl,
		string	msg
	)

inlinestatic

Log a message to set logging function

Parameters

lvl	Level of log message
msg	Message to log

◆ new_ssl()

static IntPtr wolfSSL.CSharp.wolfssl.new_ssl ( IntPtr ctx )

inlinestatic

Create a new ssl structure

Parameters

ctx	structure to create ssl structure from

Returns: pointer to ssl structure

◆ read() [1/2]

static int wolfSSL.CSharp.wolfssl.read	(	IntPtr	ssl,
		StringBuilder	buf,
		int	sz
	)

inlinestatic

Read message from secure connection

Parameters

ssl	structure containing info about connection
buf	object to hold incoming message (Unicode format)
sz	size of available memory in buf

Returns: amount of data read on success

◆ read() [2/2]

static int wolfSSL.CSharp.wolfssl.read	(	IntPtr	ssl,
		byte []	buf,
		int	sz
	)

inlinestatic

Read message from secure connection using a byte array

Parameters

ssl	structure containing info about connection
buf	object to hold incoming message (raw bytes)
sz	size of available memory in buf

Returns: amount of data read on success

◆ set_cipher_list()

static int wolfSSL.CSharp.wolfssl.set_cipher_list	(	IntPtr	ssl,
		StringBuilder	list
	)

inlinestatic

Set available cipher suite in local connection

Parameters

ssl	Structure to set cipher suite in
list	List of cipher suites

Returns: 1 on success

◆ set_dtls_fd()

static int wolfSSL.CSharp.wolfssl.set_dtls_fd	(	IntPtr	ssl,
		UdpClient	udp,
		IPEndPoint	ep
	)

inlinestatic

Set information needed to send and receive a DTLS connection

Parameters

ssl	structure to set information in
udp	UDP object to send and receive
ep	End point of connection

Returns: 1 on success

◆ set_fd()

static int wolfSSL.CSharp.wolfssl.set_fd	(	IntPtr	ssl,
		Socket	fd
	)

inlinestatic

Set Socket for TLS connection

Parameters

ssl	structure to set Socket in
fd	Socket to use

Returns: 1 on success

◆ set_psk_server_callback()

static void wolfSSL.CSharp.wolfssl.set_psk_server_callback	(	IntPtr	ssl,
		psk_delegate	psk_cb
	)

inlinestatic

Set the function to use for PSK connections on a single TLS/DTLS connection

Parameters

ctx	pointer to SSL that the function is set in
psk_cb	PSK function to use

◆ set_verify()

static int wolfSSL.CSharp.wolfssl.set_verify	(	IntPtr	ssl,
		int	mode,
		CallbackVerify_delegate	vc
	)

inlinestatic

Set the certificate verification mode and optional callback function

Parameters

ctx	pointer to SSL object that the function is set in
mode	See SSL_VERIFY options
vc	Optional verify callback function to use

◆ SetIORecv()

static void wolfSSL.CSharp.wolfssl.SetIORecv	(	IntPtr	ctx,
		CallbackIORecv_delegate	func
	)

inlinestatic

Optional, can be used to set a custom receive function

Parameters

ctx	structure to set receive function in
func	function to use when reading socket

◆ SetIOSend()

static void wolfSSL.CSharp.wolfssl.SetIOSend	(	IntPtr	ctx,
		CallbackIOSend_delegate	func
	)

inlinestatic

Optional, can be used to set a custom send function

Parameters

ctx	structure to set function in
func	function to use when sending data

◆ SetLogging()

static int wolfSSL.CSharp.wolfssl.SetLogging ( loggingCb input )

inlinestatic

Set the function to use for logging

Parameters

input Function that conforms as to loggingCb

Returns: 1 on success

◆ SetTmpDH_file()

static int wolfSSL.CSharp.wolfssl.SetTmpDH_file	(	IntPtr	ssl,
		StringBuilder	dhparam,
		int	file_type
	)

inlinestatic

Set temporary DH parameters

Parameters

ssl	Structure to set in
dhparam	file name
file_type	type of file ie PEM

Returns: 1 on success

◆ shutdown()

static int wolfSSL.CSharp.wolfssl.shutdown ( IntPtr ssl )

inlinestatic

Shutdown a connection

Parameters

ssl	pointer to ssl struct to close connection of

Returns: 1 on success

◆ useDTLSv1_2_client()

static IntPtr wolfSSL.CSharp.wolfssl.useDTLSv1_2_client ( )

inlinestatic

Set up DTLS version 1.2

Returns: pointer to DTLSv1.2 method

◆ useDTLSv1_2_server()

static IntPtr wolfSSL.CSharp.wolfssl.useDTLSv1_2_server ( )

inlinestatic

Set up DTLS version 1.2

Returns: pointer to DTLSv1.2 method

◆ useTLSv1_2_client()

static IntPtr wolfSSL.CSharp.wolfssl.useTLSv1_2_client ( )

inlinestatic

Set up TLS version 1.2 method

Returns: pointer to TLSv1.2 method

◆ useTLSv1_2_server()

static IntPtr wolfSSL.CSharp.wolfssl.useTLSv1_2_server ( )

inlinestatic

Set up TLS version 1.2 method

Returns: pointer to TLSv1.2 method

◆ useTLSv1_3_client()

static IntPtr wolfSSL.CSharp.wolfssl.useTLSv1_3_client ( )

inlinestatic

Set up TLS version 1.3 method

Returns: pointer to TLSv1.3 method

◆ useTLSv1_3_server()

static IntPtr wolfSSL.CSharp.wolfssl.useTLSv1_3_server ( )

inlinestatic

Set up TLS version 1.3 method

Returns: pointer to TLSv1.3 method

◆ usev23_client()

static IntPtr wolfSSL.CSharp.wolfssl.usev23_client ( )

inlinestatic

Use any TLS version

Returns: pointer to method

◆ usev23_server()

static IntPtr wolfSSL.CSharp.wolfssl.usev23_server ( )

inlinestatic

Use any TLS version

Returns: pointer to method

◆ write() [1/2]

static int wolfSSL.CSharp.wolfssl.write	(	IntPtr	ssl,
		StringBuilder	buf,
		int	sz
	)

inlinestatic

Write message to secure connection

Parameters

ssl	structure containing connection info
buf	message to send
sz	size of the message

Returns: amount sent on success

◆ write() [2/2]

static int wolfSSL.CSharp.wolfssl.write	(	IntPtr	ssl,
		byte []	buf,
		int	sz
	)

inlinestatic

Write message to secure connection

Parameters

ssl	structure containing connection info
buf	message to send
sz	size of the message

Returns: amount sent on success

Data Structures

Public Member Functions

Static Public Member Functions

Static Public Attributes

Member Function Documentation

◆ accept()

◆ Cleanup()

◆ connect()

◆ CTX_dtls_new()

◆ CTX_free()

◆ CTX_load_verify_locations()

◆ CTX_new()

◆ CTX_set_cipher_list()

◆ CTX_set_psk_client_callback()

◆ CTX_set_psk_server_callback()

◆ CTX_set_verify()

◆ CTX_SetMinDhKey_Sz()

◆ CTX_SetTmpDH_file()

◆ CTX_use_certificate_file()

◆ CTX_use_PrivateKey_file()

◆ CTX_use_psk_identity_hint()

◆ free()

◆ get_ciphers()

◆ get_current_cipher()

◆ get_dtls_fd()

◆ get_error()

◆ get_fd()

◆ get_version()

◆ Init()

◆ log()

◆ new_ssl()

◆ read() [1/2]

◆ read() [2/2]

◆ set_cipher_list()

◆ set_dtls_fd()

◆ set_fd()

◆ set_psk_server_callback()

◆ set_verify()

◆ SetIORecv()

◆ SetIOSend()

◆ SetLogging()

◆ SetTmpDH_file()

◆ shutdown()

◆ useDTLSv1_2_client()

◆ useDTLSv1_2_server()

◆ useTLSv1_2_client()

◆ useTLSv1_2_server()

◆ useTLSv1_3_client()

◆ useTLSv1_3_server()

◆ usev23_client()

◆ usev23_server()

◆ write() [1/2]

◆ write() [2/2]