/**
* @brief Read the SSL data stream.
* @param ssl [in] An SSL object reference.
* @param in_data [out] After a successful read, the decrypted data
* will be here. It will be null otherwise.
* @return The number of decrypted bytes:
* - if > 0, then the handshaking is complete and we are returning the
* number of decrypted bytes.
* - SSL_OK if the handshaking stage is successful (but not yet
* complete).
* - < 0 if an error.
* @see ssl.h for the error code list.
* @note Use in_data before doing any successive ssl calls.
*/
public int Read(SSL ssl, out byte[] in_data)
{
IntPtr ptr = IntPtr.Zero;
int ret = axtls.ssl_read(ssl.m_ssl, ref ptr);
if (ret > axtls.SSL_OK)
{
in_data = new byte[ret];
Marshal.Copy(ptr, in_data, 0, ret);
}
else
{
in_data = null;
}
return(ret);
}
/**
* @brief Force the client to perform its handshake again.
*
* For a client this involves sending another "client hello" message.
* For the server is means sending a "hello request" message.
*
* This is a blocking call on the client (until the handshake
* completes).
* @param ssl [in] An SSL object reference.
* @return SSL_OK if renegotiation instantiation was ok
*/
public int Renegotiate(SSL ssl)
{
return(axtls.ssl_renegotiate(ssl.m_ssl));
}
/**
* @brief Authenticate a received certificate.
*
* This call is usually made by a client after a handshake is complete
* and the context is in SSL_SERVER_VERIFY_LATER mode.
* @param ssl [in] An SSL object reference.
* @return SSL_OK if the certificate is verified.
*/
public int VerifyCert(SSL ssl)
{
return(axtls.ssl_verify_cert(ssl.m_ssl));
}
/**
* @brief Write to the SSL data stream.
* @param ssl [in] An SSL obect reference.
* @param out_data [in] The data to be written
* @param out_len [in] The number of bytes to be written
* @return The number of bytes sent, or if < 0 if an error.
* @see ssl.h for the error code list.
*/
public int Write(SSL ssl, byte[] out_data, int out_len)
{
return(axtls.ssl_write(ssl.m_ssl, out_data, out_len));
}
/**
* @brief Write to the SSL data stream.
* @param ssl [in] An SSL obect reference.
* @param out_data [in] The data to be written
* @return The number of bytes sent, or if < 0 if an error.
* @see ssl.h for the error code list.
*/
public int Write(SSL ssl, byte[] out_data)
{
return(axtls.ssl_write(ssl.m_ssl, out_data, out_data.Length));
}
/**
* @brief Force the client to perform its handshake again.
*
* For a client this involves sending another "client hello" message.
* For the server is means sending a "hello request" message.
*
* This is a blocking call on the client (until the handshake
* completes).
* @param ssl [in] An SSL object reference.
* @return SSL_OK if renegotiation instantiation was ok
*/
public int Renegotiate(SSL ssl)
{
return axtls.ssl_renegotiate(ssl.m_ssl);
}
/**
* @brief Authenticate a received certificate.
*
* This call is usually made by a client after a handshake is complete
* and the context is in SSL_SERVER_VERIFY_LATER mode.
* @param ssl [in] An SSL object reference.
* @return SSL_OK if the certificate is verified.
*/
public int VerifyCert(SSL ssl)
{
return axtls.ssl_verify_cert(ssl.m_ssl);
}
/**
* @brief Write to the SSL data stream.
* @param ssl [in] An SSL obect reference.
* @param out_data [in] The data to be written
* @param out_len [in] The number of bytes to be written
* @return The number of bytes sent, or if < 0 if an error.
* @see ssl.h for the error code list.
*/
public int Write(SSL ssl, byte[] out_data, int out_len)
{
return axtls.ssl_write(ssl.m_ssl, out_data, out_len);
}
/**
* @brief Write to the SSL data stream.
* @param ssl [in] An SSL obect reference.
* @param out_data [in] The data to be written
* @return The number of bytes sent, or if < 0 if an error.
* @see ssl.h for the error code list.
*/
public int Write(SSL ssl, byte[] out_data)
{
return axtls.ssl_write(ssl.m_ssl, out_data, out_data.Length);
}
/**
* @brief Read the SSL data stream.
* @param ssl [in] An SSL object reference.
* @param in_data [out] After a successful read, the decrypted data
* will be here. It will be null otherwise.
* @return The number of decrypted bytes:
* - if > 0, then the handshaking is complete and we are returning the
* number of decrypted bytes.
* - SSL_OK if the handshaking stage is successful (but not yet
* complete).
* - < 0 if an error.
* @see ssl.h for the error code list.
* @note Use in_data before doing any successive ssl calls.
*/
public int Read(SSL ssl, out byte[] in_data)
{
IntPtr ptr = IntPtr.Zero;
int ret = axtls.ssl_read(ssl.m_ssl, ref ptr);
if (ret > axtls.SSL_OK)
{
in_data = new byte[ret];
Marshal.Copy(ptr, in_data, 0, ret);
}
else
{
in_data = null;
}
return ret;
}
