BR112016021416A2 - aparelho de estação de base secundária, método de comunicação para um aparelho de estação de base secundária, aparelho de estação de base mestre, método de comunicação para um aparelho de estação base mestre, aparelhos de terminal móvel, método de comunicação para um aparelho de terminal móvel, e, circuito integrado - Google Patents

aparelho de estação de base secundária, método de comunicação para um aparelho de estação de base secundária, aparelho de estação de base mestre, método de comunicação para um aparelho de estação base mestre, aparelhos de terminal móvel, método de comunicação para um aparelho de terminal móvel, e, circuito integrado

Info

Publication number
BR112016021416A2
BR112016021416A2 BR112016021416A BR112016021416A BR112016021416A2 BR 112016021416 A2 BR112016021416 A2 BR 112016021416A2 BR 112016021416 A BR112016021416 A BR 112016021416A BR 112016021416 A BR112016021416 A BR 112016021416A BR 112016021416 A2 BR112016021416 A2 BR 112016021416A2
Authority
BR
Brazil
Prior art keywords
base station
station apparatus
communication method
mobile
secondary base
Prior art date
Application number
BR112016021416A
Other languages
English (en)
Other versions
BR112016021416A8 (pt
Inventor
Loehr Joachim
Basu Mallick Prateek
Original Assignee
Sun Patent Trust
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sun Patent Trust filed Critical Sun Patent Trust
Publication of BR112016021416A2 publication Critical patent/BR112016021416A2/pt
Publication of BR112016021416A8 publication Critical patent/BR112016021416A8/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/06Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/068Network architectures or network communication protocols for network security for supporting key management in a packet data network using time-dependent keys, e.g. periodically changing keys
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/06Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/14Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1408Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic by monitoring network traffic
    • H04L63/1416Event detection, e.g. attack signature detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/14Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441Countermeasures against malicious traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04Key management, e.g. using generic bootstrapping architecture [GBA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08Access security
    • H04W12/082Access security using revocation of authorisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/15Setup of multiple wireless link connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/19Connection re-establishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/061Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying further key derivation, e.g. deriving traffic keys from a pair-wise master key

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
BR112016021416A 2014-03-21 2015-03-03 aparelho de estação de base secundária, método de comunicação para um aparelho de estação de base secundária, aparelho de estação de base mestre, método de comunicação para um aparelho de estação base mestre, aparelhos de terminal móvel, método de comunicação para um aparelho de terminal móvel, e, circuito integrado BR112016021416A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14001067.9A EP2922326B1 (en) 2014-03-21 2014-03-21 Security key derivation in dual connectivity
PCT/EP2015/054400 WO2015139947A1 (en) 2014-03-21 2015-03-03 Security key derivation in dual connectivity

Publications (2)

Publication Number Publication Date
BR112016021416A2 true BR112016021416A2 (pt) 2017-08-15
BR112016021416A8 BR112016021416A8 (pt) 2021-06-29

Family

ID=50396832

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016021416A BR112016021416A8 (pt) 2014-03-21 2015-03-03 aparelho de estação de base secundária, método de comunicação para um aparelho de estação de base secundária, aparelho de estação de base mestre, método de comunicação para um aparelho de estação base mestre, aparelhos de terminal móvel, método de comunicação para um aparelho de terminal móvel, e, circuito integrado

Country Status (10)

Country Link
US (6) US10116685B2 (pt)
EP (4) EP3886397B1 (pt)
JP (4) JP6481899B2 (pt)
KR (1) KR102269726B1 (pt)
CN (2) CN106105143B (pt)
BR (1) BR112016021416A8 (pt)
MX (1) MX361089B (pt)
RU (3) RU2720982C2 (pt)
SG (1) SG11201607723UA (pt)
WO (1) WO2015139947A1 (pt)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160055977A (ko) * 2011-09-29 2016-05-18 노키아 솔루션스 앤드 네트웍스 오와이 재구성을 위한 방법 및 장치
CN105122672B (zh) * 2013-05-09 2018-11-27 英特尔Ip公司 小数据通信
EP3087769A1 (en) * 2013-12-24 2016-11-02 Nec Corporation Apparatus, system and method for sce
EP3886397B1 (en) 2014-03-21 2023-01-18 Sun Patent Trust Security key derivation in dual connectivity
GB2528913B (en) 2014-08-04 2017-03-01 Samsung Electronics Co Ltd Signalling in dual connectivity mobile communication networks
EP3018936B1 (en) * 2014-11-07 2018-05-30 Alcatel Lucent Secondary base station bearer change
WO2016119243A1 (zh) * 2015-01-30 2016-08-04 华为技术有限公司 通信方法、网络设备、用户设备和通信系统
EP3304974B1 (en) * 2015-05-29 2022-03-23 Apple Inc. Seamless mobility for 5g and lte systems and devices
JP6775928B2 (ja) * 2015-08-27 2020-10-28 横河電機株式会社 無線中継機器、制御装置、無線通信システム、及び参入方法
EP3360359B1 (en) * 2015-10-08 2019-08-07 Telefonaktiebolaget LM Ericsson (PUBL) Nodes for use in a communication network and methods of operating the same
KR102437619B1 (ko) * 2016-04-01 2022-08-29 삼성전자주식회사 보안 키를 생성하기 위한 장치 및 방법
CN109314899B (zh) * 2016-06-24 2021-06-15 华为技术有限公司 数据传输的方法和装置
WO2018063268A1 (en) * 2016-09-30 2018-04-05 Nokia Technologies Oy Updating security key
KR20180049888A (ko) * 2016-11-04 2018-05-14 삼성전자주식회사 차세대 이동통신 시스템에서 효과적으로 pdcp 및 drx 동작을 수행하는 방법 및 장치
US11050721B2 (en) * 2016-12-26 2021-06-29 Htc Corporation Device and method of handling mobile data transmissions in a wireless communication system
CN110248382B (zh) 2017-01-05 2020-09-08 华为技术有限公司 信息传输的方法和装置
CN110463240B (zh) * 2017-03-30 2023-08-04 康维达无线有限责任公司 电信设备和方法
WO2018212539A1 (en) * 2017-05-15 2018-11-22 Samsung Electronics Co., Ltd. Apparatus and method for managing security keys in wireless communication system
JP7093614B2 (ja) * 2017-06-15 2022-06-30 シャープ株式会社 端末装置、基地局装置、通信方法、および、集積回路
WO2018227480A1 (en) * 2017-06-15 2018-12-20 Qualcomm Incorporated Refreshing security keys in 5g wireless systems
WO2018237373A1 (en) 2017-06-23 2018-12-27 Motorola Mobility Llc METHOD AND APPARATUS FOR REFRESHING THE SECURITY KEYS OF A SUBASSEMBLY OF CONFIGURED RADIO MEDIA
WO2018237371A1 (en) * 2017-06-23 2018-12-27 Motorola Mobility Llc METHOD AND APPARATUS FOR MANAGING SECURITY KEYS FOR INDIVIDUAL MEDIA
EP3972309B1 (en) * 2017-06-23 2023-08-09 Motorola Mobility LLC Method and apparatus for implementing bearer specific changes as part of a connection reconfiguration that impacts the security keys being used
CN109309919B (zh) * 2017-07-27 2021-07-20 华为技术有限公司 一种通信方法及设备
US11337118B2 (en) 2017-08-11 2022-05-17 Samsung Electronics Co., Ltd. Method and system for performing handover in wireless communication network
EP4369848A2 (en) 2017-08-11 2024-05-15 Samsung Electronics Co., Ltd. Method for performing bearer type change of a plurality of bearers configured for user equipment
WO2019066692A1 (en) * 2017-09-26 2019-04-04 Telefonaktiebolaget Lm Ericsson (Publ) MANAGING SECURITY CONTEXTS AND PROVIDING KEY DERIVATION DURING INTERCELLULAR TRANSFER IN A WIRELESS COMMUNICATION SYSTEM
CN111434183B (zh) * 2017-09-29 2024-03-12 三星电子株式会社 无线通信系统中以双连接处理用户平面的方法和用户设备
WO2019090727A1 (zh) * 2017-11-10 2019-05-16 Oppo广东移动通信有限公司 信令控制传输方法及相关产品
US20210378046A1 (en) * 2018-06-19 2021-12-02 Mitsubishi Electric Corporation Communication system and communication terminal device
KR102653862B1 (ko) * 2018-07-24 2024-04-03 삼성전자주식회사 네트워크와 관련된 인디케이터를 표시하기 위한 전자 장치 및 그에 관한 방법
EP3599787B1 (en) 2018-07-24 2024-05-08 Samsung Electronics Co., Ltd. Electronic device for displaying indicator regarding network and method thereof
WO2020035441A1 (en) 2018-08-13 2020-02-20 Telefonaktiebolaget Lm Ericsson (Publ) Protection of non-access stratum communication in a wireless communication network
CN109168161B (zh) * 2018-08-27 2021-11-02 创新维度科技(北京)有限公司 安全模式激活方法、装置、系统和计算机存储介质
CN110913438B (zh) * 2018-09-15 2021-09-21 华为技术有限公司 一种无线通信方法及装置
CN110972135A (zh) * 2018-09-28 2020-04-07 华为技术有限公司 一种安全通信方法、加密信息确定方法及装置
CN111050419B (zh) * 2018-10-11 2022-03-22 维沃移动通信有限公司 一种无线链路恢复方法、终端、辅基站及存储介质
EP3874673A1 (en) * 2018-11-02 2021-09-08 Telefonaktiebolaget Lm Ericsson (Publ) Small data communication security
CN111212432B (zh) * 2018-11-21 2023-04-28 中国移动通信集团江西有限公司 定位伪基站的方法、装置、设备和介质
CN112690010B (zh) * 2019-01-29 2023-05-05 Oppo广东移动通信有限公司 一种密钥信息处理方法和接入网络节点、终端设备
WO2021026112A1 (en) * 2019-08-08 2021-02-11 Google Llc Resuming a radio connection in multi-radio dual connectivity
US11363461B2 (en) * 2019-08-23 2022-06-14 Electronics And Telecommunications Research Institute Method for managing security key of mobile communication system, and apparatus therefor
WO2021075891A1 (en) * 2019-10-17 2021-04-22 Samsung Electronics Co., Ltd. Method and apparatus for updating security key in wireless communication system
WO2021087836A1 (en) * 2019-11-07 2021-05-14 Qualcomm Incorporated Signaling for activation of a bandwidth part
EP4085675B1 (en) * 2019-12-30 2024-06-26 Istanbul Medipol Universitesi A secure communication method
US20220014955A1 (en) * 2020-07-10 2022-01-13 Qualcomm Incorporated User equipment (ue) measurement gap request and release for power savings and multiple subscriber identity module (msim) measurements

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241598A (en) * 1991-05-22 1993-08-31 Ericsson Ge Mobile Communications, Inc. Rolling key resynchronization in cellular verification and validation system
US5436914A (en) * 1991-11-08 1995-07-25 International Business Machines Corporation Control of non-resettable counters by multiple processes
EP1050133B2 (en) * 1998-01-02 2009-05-27 Cryptography Research Inc. Leak-resistant cryptographic method and apparatus
US7835528B2 (en) * 2005-09-26 2010-11-16 Nokia Corporation Method and apparatus for refreshing keys within a bootstrapping architecture
US8107397B1 (en) * 2006-06-05 2012-01-31 Purdue Research Foundation Protocol for secure and energy-efficient reprogramming of wireless multi-hop sensor networks
KR101447726B1 (ko) * 2006-12-08 2014-10-07 한국전자통신연구원 이동통신시스템에서의 인증키 생성 방법 및 갱신 방법
US8625793B2 (en) * 2007-06-11 2014-01-07 Qualcomm Incorporated Resynchronization for push message security using secret keys
WO2009009532A2 (en) * 2007-07-11 2009-01-15 Interdigital Technology Corporation Packet data convergence protocol operations
US8208498B2 (en) * 2007-10-30 2012-06-26 Qualcomm Incorporated Methods and systems for HFN handling at inter-base station handover in mobile communication networks
FI20075776L (fi) * 2007-10-31 2009-05-01 Eads Secure Networks Oy Päästä-päähän salattu viestintä
US8666077B2 (en) * 2008-05-07 2014-03-04 Alcatel Lucent Traffic encryption key generation in a wireless communication network
CN101355507B (zh) * 2008-09-12 2012-09-05 中兴通讯股份有限公司 更新跟踪区时的密钥生成方法及系统
JP4505528B2 (ja) * 2008-09-22 2010-07-21 株式会社エヌ・ティ・ティ・ドコモ 移動通信方法
CN101772100B (zh) * 2008-12-29 2012-03-28 中国移动通信集团公司 LTE系统中基站eNB切换时的密钥更新方法、设备及系统
WO2010093200A2 (en) * 2009-02-12 2010-08-19 Lg Electronics Inc. Method and apparatus for traffic count key management and key count management
CA2760531C (en) * 2009-05-03 2016-06-28 Kabushiki Kaisha Toshiba Authentication and authorization for performing a secure handover between a mobile node and a target network
US9185552B2 (en) * 2009-05-06 2015-11-10 Qualcomm Incorporated Method and apparatus to establish trust and secure connection via a mutually trusted intermediary
CN102026176A (zh) * 2009-09-23 2011-04-20 华为技术有限公司 一种多载波聚合场景下的切换方法、装置
US8478258B2 (en) * 2010-03-05 2013-07-02 Intel Corporation Techniques to reduce false detection of control channel messages in a wireless network
CN102215485B (zh) * 2010-04-04 2015-07-22 中兴通讯股份有限公司 多载波通信系统中保证多载波切换或重建安全性的方法
CN101867924B (zh) * 2010-06-07 2016-07-06 中兴通讯股份有限公司 空中接口密钥的更新、生成方法及无线接入系统
US8627422B2 (en) * 2010-11-06 2014-01-07 Qualcomm Incorporated Authentication in secure user plane location (SUPL) systems
US8730912B2 (en) * 2010-12-01 2014-05-20 Qualcomm Incorporated Determining a non-access stratum message count in handover
CN105916140B (zh) * 2011-12-27 2019-10-22 华为技术有限公司 基站间载波聚合的安全通讯方法及设备
US9544075B2 (en) * 2012-02-22 2017-01-10 Qualcomm Incorporated Platform for wireless identity transmitter and system using short range wireless broadcast
US9077772B2 (en) * 2012-04-20 2015-07-07 Cisco Technology, Inc. Scalable replay counters for network security
CN102740289B (zh) 2012-06-15 2015-12-02 电信科学技术研究院 一种密钥更新方法、装置及系统
CN103703717B (zh) * 2012-07-24 2017-07-14 华为技术有限公司 计数器检查方法和装置
US9461876B2 (en) * 2012-08-29 2016-10-04 Loci System and method for fuzzy concept mapping, voting ontology crowd sourcing, and technology prediction
CN103179558B (zh) * 2012-09-20 2016-06-22 中兴通讯股份有限公司 集群系统组呼加密实现方法及系统
RU2628321C2 (ru) 2013-01-30 2017-08-15 Телефонактиеболагет Л М Эрикссон (Пабл) Генерирование защитного ключа для двойного соединения
US10210341B2 (en) * 2013-02-12 2019-02-19 Amazon Technologies, Inc. Delayed data access
EP3793167B1 (en) 2013-09-11 2021-09-01 Samsung Electronics Co., Ltd. Method and system to enable secure communication for inter-enb transmission
WO2015108389A1 (en) 2014-01-17 2015-07-23 Samsung Electronics Co., Ltd. Dual connectivity mode of operation of a user equipment in a wireless communication network
GB2522665A (en) * 2014-01-31 2015-08-05 Nec Corp Communication system
EP3886397B1 (en) * 2014-03-21 2023-01-18 Sun Patent Trust Security key derivation in dual connectivity

Also Published As

Publication number Publication date
US11870803B2 (en) 2024-01-09
RU2016137261A3 (pt) 2018-08-02
JP7117666B2 (ja) 2022-08-15
MX361089B (es) 2018-11-26
JP2020109975A (ja) 2020-07-16
RU2020114822A3 (pt) 2021-10-27
RU2018132443A (ru) 2018-10-02
JP2019083563A (ja) 2019-05-30
RU2669067C2 (ru) 2018-10-08
US20230009786A1 (en) 2023-01-12
RU2720982C2 (ru) 2020-05-15
EP2922326A1 (en) 2015-09-23
JP2017513351A (ja) 2017-05-25
CN106105143B (zh) 2019-06-04
US10397269B2 (en) 2019-08-27
US11463471B2 (en) 2022-10-04
US20190327262A1 (en) 2019-10-24
RU2016137261A (ru) 2018-04-23
JP6481899B2 (ja) 2019-03-13
SG11201607723UA (en) 2016-10-28
EP3886397B1 (en) 2023-01-18
KR20160138405A (ko) 2016-12-05
RU2018132443A3 (pt) 2019-07-17
CN110224982B (zh) 2022-05-03
RU2020114822A (ru) 2021-10-27
US10116685B2 (en) 2018-10-30
US20180367564A1 (en) 2018-12-20
BR112016021416A8 (pt) 2021-06-29
EP3451621A1 (en) 2019-03-06
US20230379357A1 (en) 2023-11-23
MX2016012146A (es) 2017-02-28
US20160366175A1 (en) 2016-12-15
US20210058426A1 (en) 2021-02-25
CN110224982A (zh) 2019-09-10
KR102269726B1 (ko) 2021-06-28
JP6861361B2 (ja) 2021-04-21
JP6678320B2 (ja) 2020-04-08
EP3451621B1 (en) 2021-06-30
EP4167615A1 (en) 2023-04-19
JP2021119660A (ja) 2021-08-12
RU2760333C2 (ru) 2021-11-24
WO2015139947A1 (en) 2015-09-24
EP2922326B1 (en) 2018-12-19
US10848518B2 (en) 2020-11-24
EP3886397A1 (en) 2021-09-29
CN106105143A (zh) 2016-11-09

Similar Documents

Publication Publication Date Title
BR112016021416A2 (pt) aparelho de estação de base secundária, método de comunicação para um aparelho de estação de base secundária, aparelho de estação de base mestre, método de comunicação para um aparelho de estação base mestre, aparelhos de terminal móvel, método de comunicação para um aparelho de terminal móvel, e, circuito integrado
SG11201800899WA (en) Terminal device, base station device, and communication method
EP3151622A4 (en) Terminal device, base station device and communication method
EP3139658A4 (en) Terminal device, base station device, and communication method
EP3139684A4 (en) Terminal device, base station device, communication method, and integrated circuit
EP3217701A4 (en) Terminal device, base station device, and method
EP3174350A4 (en) Terminal device, base station device, communication system, communication method, and integrated circuit
EP3200555A4 (en) Terminal device, base station device, communication method, and integrated circuit
EP3122140A4 (en) Terminal device, base station device, communication system, communication method, and integrated circuit
EP3297363A4 (en) DEVICE DEVICE, BASIC STATION AND COMMUNICATION PROCESS
EP3101975A4 (en) Terminal device, base station device, and communication method
EP3154295A4 (en) Terminal device, base station device, and method
EP3200557A4 (en) Terminal device, base station device, communication method, and integrated circuit
EP3179787A4 (en) Terminal device, base station device, and method
EP3101976A4 (en) Terminal device, base station device, and communication method
IL255663B (en) Terminal device, base station device, and communication method
EP3096552A4 (en) Terminal device, base station device, integrated circuit, and communication method
EP3119148A4 (en) Terminal device, base station device, communication system, resource management method, and accumulation circuit
EP3096577A4 (en) Terminal device, base station device, integrated circuit, and communication method
SI3668164T1 (sl) Terminalna naprava, naprava bazne postaje in komunikacijski postopek
EP3217711A4 (en) Base station device, terminal device, and communication method
EP3169108A4 (en) Terminal device, base station device, communication system, communication method, and integrated circuit
EP3211964A4 (en) Auxiliary communication method and system, and device and terminal having base station function
EP3177092A4 (en) Terminal device, base station device, communication method and integrated circuit
EP3171646A4 (en) Terminal device, base station device, and communication method

Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04W 12/04 , H04L 29/06

Ipc: H04L 29/06 (2006.01), H04W 12/04 (2009.01), H04W 1

B350 Update of information on the portal [chapter 15.35 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/03/2015, OBSERVADAS AS CONDICOES LEGAIS