/*============================================================================ * OpcUa_Signature_Initialize *===========================================================================*/ OpcUa_Void OPCUA_DLLCALL OpcUa_Signature_Initialize(OpcUa_Signature* a_pSignature) { OpcUa_ByteString_Initialize(&a_pSignature->Signature); a_pSignature->Algorithm = 0; }
/*============================================================================ * OpcUa_SecureChannel_Open *===========================================================================*/ OpcUa_StatusCode OpcUa_TcpSecureChannel_Open( OpcUa_SecureChannel* a_pSecureChannel, OpcUa_Handle a_hTransportConnection, OpcUa_ChannelSecurityToken a_channelSecurityToken, OpcUa_MessageSecurityMode a_messageSecurityMode, OpcUa_ByteString* a_pbsClientCertificate, OpcUa_ByteString* a_pbsServerCertificate, OpcUa_SecurityKeyset* a_pReceivingKeyset, OpcUa_SecurityKeyset* a_pSendingKeyset, OpcUa_CryptoProvider* a_pCryptoProvider) { OpcUa_InitializeStatus(OpcUa_Module_SecureChannel, "Open"); OpcUa_ReturnErrorIfArgumentNull(a_pSecureChannel); OpcUa_ReturnErrorIfArgumentNull(a_hTransportConnection); OpcUa_ReturnErrorIfArgumentNull(a_pCryptoProvider); OPCUA_SECURECHANNEL_LOCK(a_pSecureChannel); if(a_pSecureChannel->SecureChannelId != a_channelSecurityToken.ChannelId) { OpcUa_GotoErrorWithStatus(OpcUa_BadSecureChannelIdInvalid); } a_pSecureChannel->bCurrentTokenActive = OpcUa_True; /*** TCP SECURECHANNEL ***/ a_pSecureChannel->CurrentChannelSecurityToken.ChannelId = a_channelSecurityToken.ChannelId; a_pSecureChannel->CurrentChannelSecurityToken.TokenId = a_channelSecurityToken.TokenId; a_pSecureChannel->CurrentChannelSecurityToken.CreatedAt = a_channelSecurityToken.CreatedAt; a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime = a_channelSecurityToken.RevisedLifetime; /*** SECURECHANNEL ***/ a_pSecureChannel->State = OpcUa_SecureChannelState_Opened; a_pSecureChannel->TransportConnection = a_hTransportConnection; a_pSecureChannel->MessageSecurityMode = a_messageSecurityMode; a_pSecureChannel->uExpirationCounter = (OpcUa_UInt32)(a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime/OPCUA_SECURELISTENER_WATCHDOG_INTERVAL); a_pSecureChannel->uOverlapCounter = (OpcUa_UInt32)((a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime>>2)/OPCUA_SECURELISTENER_WATCHDOG_INTERVAL); /* copy client certificate */ if(a_pbsClientCertificate != OpcUa_Null && a_pbsClientCertificate->Length > 0) { a_pSecureChannel->ClientCertificate.Data = (OpcUa_Byte *)OpcUa_Alloc(a_pbsClientCertificate->Length); OpcUa_GotoErrorIfAllocFailed(a_pSecureChannel->ClientCertificate.Data); a_pSecureChannel->ClientCertificate.Length = a_pbsClientCertificate->Length; OpcUa_MemCpy( a_pSecureChannel->ClientCertificate.Data, a_pSecureChannel->ClientCertificate.Length, a_pbsClientCertificate->Data, a_pbsClientCertificate->Length); } else { OpcUa_ByteString_Initialize(&a_pSecureChannel->ClientCertificate); } if(a_pbsServerCertificate != OpcUa_Null && a_pbsServerCertificate->Length > 0) { a_pSecureChannel->ServerCertificate.Data = (OpcUa_Byte*)OpcUa_Alloc(a_pbsServerCertificate->Length); OpcUa_GotoErrorIfAllocFailed(a_pSecureChannel->ServerCertificate.Data); a_pSecureChannel->ServerCertificate.Length = a_pbsServerCertificate->Length; OpcUa_MemCpy( a_pSecureChannel->ServerCertificate.Data, a_pSecureChannel->ServerCertificate.Length, a_pbsServerCertificate->Data, a_pbsServerCertificate->Length); } else { OpcUa_ByteString_Initialize(&a_pSecureChannel->ServerCertificate); } a_pSecureChannel->pCurrentReceivingKeyset = a_pReceivingKeyset; a_pSecureChannel->pCurrentSendingKeyset = a_pSendingKeyset; a_pSecureChannel->pCurrentCryptoProvider = a_pCryptoProvider; OPCUA_SECURECHANNEL_UNLOCK(a_pSecureChannel); OpcUa_ReturnStatusCode; OpcUa_BeginErrorHandling; OpcUa_SecurityKeyset_Clear(a_pReceivingKeyset); OpcUa_SecurityKeyset_Clear(a_pSendingKeyset); OpcUa_Free(a_pReceivingKeyset); OpcUa_Free(a_pSendingKeyset); OPCUA_SECURECHANNEL_UNLOCK(a_pSecureChannel); OpcUa_FinishErrorHandling; }
/*============================================================================ * OpcUa_Key_Initialize *===========================================================================*/ OpcUa_Void OpcUa_Key_Initialize(OpcUa_Key* a_pKey) { OpcUa_ByteString_Initialize(&a_pKey->Key); a_pKey->Type = 0; a_pKey->fpClearHandle = OpcUa_Null; }