公开(公告)号：US20230053891A1

公开(公告)日：2023-02-23

申请号：US17891383

申请日：2022-08-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bumhan KIM ,  Eunbi KIM ,  Hansang SONG ,  Seungwon SHIN

IPC: H04L9/14 ,  H04L9/08

Abstract: The disclosure relates to an electronic device for generating a mnemonic phrase of a private key and an operation method in the electronic device. The electronic device may comprise a memory, a display module, and at least one processor electrically connected with the memory and the display module. The at least one processor may be configured to generate a private key and a public key, generate a first mnemonic phrase including a designated first number of words based on a structure of the private key, identify a user phrase input by a user, generate a second mnemonic phrase including a second number of words identified based on a security level obtained by analyzing the user phrase, and control the display module to display the generated second mnemonic phrase. Other embodiments are possible.

公开(公告)号：US20220103350A1

公开(公告)日：2022-03-31

申请号：US17421911

申请日：2020-01-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bumhan KIM ,  Eunbi KIM ,  Sunjune KONG ,  Hansang SONG

IPC: H04L9/08 ,  G06F21/62 ,  H04L9/14 ,  G06F21/60 ,  H04L9/32 ,  H04L9/30

Abstract: An electronic device and a method of operating the electronic device are provided. Data corresponding to a user input is received through a user interface of the electronic device. The data is stored in a normal area of a memory of the electronic device. A quantity of information in the stored data is identified. At least one key is selected from a plurality of keys stored in the memory, based on at least the quantity of information. The data is encrypted using the at least one key. The encrypted data and information indicating the at least one key are transmitted to a secure area of the memory, which requires access authority.

公开(公告)号：US20150326390A1

公开(公告)日：2015-11-12

申请号：US14707590

申请日：2015-05-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bumhan KIM ,  Naheasal KIM ,  Michael PAK ,  Kyunghee LEE

IPC: H04L9/08 ,  H04L9/14

CPC classification number: H04L9/0863 ,  G06F21/6209 ,  H04L9/0637 ,  H04L9/0822 ,  H04L9/14 ,  H04L2209/24 ,  H04L2209/805 ,  H04W12/02 ,  H04W12/04

Abstract: A method of managing keys and an electronic device adapted to the method are provided. The method includes creating a first key, based on information included in a memory space of a processor, creating a second key, based on at least one item of user information, and creating a third key that was created through at least one encryption process, based on the created first key and the created second key.

Abstract translation: 提供了一种管理密钥的方法和适用于该方法的电子设备。 该方法包括基于处理器的存储器空间中包含的信息创建第一密钥，基于至少一个用户信息项创建第二密钥，以及创建通过至少一个加密过程创建的第三密钥， 基于创建的第一个键和创建的第二个键。

公开(公告)号：US20150121077A1

公开(公告)日：2015-04-30

申请号：US14522881

申请日：2014-10-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bumhan KIM ,  Chankyu HAN ,  Michael PARK

IPC: H04L9/32 ,  H04W12/08 ,  H04L29/06

CPC classification number: H04L9/3268 ,  G06F21/33 ,  G06F21/44 ,  H04L9/3247 ,  H04L63/062 ,  H04L63/0823 ,  H04W12/08

Abstract: A method and an apparatus for controlling a lock state of an electronic device, and a system therefor are provided. The method includes signing a lock state update request by using a unique key loaded in a confidence region of the electronic device when a lock state change is requested, generating a lock state control request message including the lock state update request, the signed lock state update request, and a certificate of the electronic device, transmitting the generated lock state control request message to a service provider server, and authenticating a lock state update command in a communication processor of the electronic device and updating a state of the communication processor according to the lock state update command when the lock state update command is received from the service provider server.

Abstract translation: 提供了一种用于控制电子设备的锁定状态的方法和装置及其系统。 所述方法包括：当请求锁定状态改变时，通过使用加载在所述电子设备的置信区域中的唯一密钥来签名锁定状态更新请求，生成包括所述锁定状态更新请求的锁定状态控制请求消息，所述锁定状态更新 请求和电子设备的证书，将所生成的锁定状态控制请求消息发送到服务提供商服务器，以及在电子设备的通信处理器中认证锁定状态更新命令，并根据该请求更新通信处理器的状态 当从服务提供商服务器接收到锁定状态更新命令时，锁定状态更新命令。

公开(公告)号：US20130227264A1

公开(公告)日：2013-08-29

申请号：US13774435

申请日：2013-02-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bumhan KIM ,  Sunghoon YOO ,  Kyunghee LEE

IPC: G06F21/57

CPC classification number: G06F21/575

Abstract: A method and apparatus for protecting the integrity of a mobile terminal are provided. The mobile terminal includes a secure world for preventing unauthorized access to resources, and a normal world other than the secure world. The integrity protection method for the mobile terminal includes sensing a power-on of the mobile terminal, verifying, by a trusted entity in the normal world, the integrity of a first subsequent entity, and sending, when an integrity breach is detected in the first subsequent entity, by the trusted entity, a modification indication signal to the secure world.

Abstract translation: 提供了一种用于保护移动终端的完整性的方法和装置。 移动终端包括用于防止对资源的未经授权的访问的安全的世界以及安全世界之外的正常世界。 用于移动终端的完整性保护方法包括：感测移动终端的通电，由正常世界中的可信实体验证第一后续实体的完整性，并且当在第一个中检测到完整性违反时发送 由可信实体将后续实体提供到安全世界的修改指示信号。

公开(公告)号：US20240179013A1

公开(公告)日：2024-05-30

申请号：US18532453

申请日：2023-12-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bumhan KIM ,  Hyewon PARK ,  Dasom LEE

IPC: H04L9/32

CPC classification number: H04L9/3263 ,  H04L9/3247 ,  H04L9/0869

Abstract: An electronic device is provided. The electronic device includes a communication module for supporting near-field wireless communication, memory, and at least one processor operatively connected to the communication module and the memory. The memory stores one or more programs including instructions that, when executed by the at least one processor, may cause the electronic device to establish near-field wireless communication connection with an external device through the communication module, generate a first private key by using a determined random function, generate a first public key based on the first private key, generate a first certificate including a security level of the electronic device with respect to the first public key, and transmit the generated first certificate to the external device through the communication module.

公开(公告)号：US20230244531A1

公开(公告)日：2023-08-03

申请号：US18296670

申请日：2023-04-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kiyong KIM ,  Wanho ROH ,  Seul BANG ,  Bumhan KIM ,  Gailjoon AHN ,  Yeonggeun CHOE

IPC: G06F9/50

CPC classification number: G06F9/5016

Abstract: An electronic device is provided. The electronic device includes a display, a memory, and a processor operatively connected to the display and the memory, wherein the processor can be configured to detect an access event, occurring through an application, for a resource of the electronic device, acquire an application execution screen image in response to the detection of the access event, map the acquired application execution screen image with event information indicating the access event and store same, and display, on the basis of a user input, a first screen image including the event information and the application execution screen image mapped with the event information on the display.

公开(公告)号：US20230045546A1

公开(公告)日：2023-02-09

申请号：US17846574

申请日：2022-06-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Bumhan KIM ,  Eunbi KIM ,  Hansang SONG ,  Seungwon SHIN

IPC: H04L9/32 ,  H04L9/08

Abstract: An electronic device and method are disclosed for managing a non-fungible token (NFT). The electronic device includes: a memory configured to store computer-executable instructions, and a processor. The processor implements the method, including: generating, a NFT for target content in response to receiving a request to register the target content from a first external electronic device, generating, for the NFT, a certification authority (CA) signature indicating that the NFT is generated by the server, and transmitting, via a communication circuitry, the NFT to the first external electronic device, wherein an ownership signature is added to the NFT, together with the CA signature, the ownership signature based on a private key of a user to which ownership of the NFT is assigned.

公开(公告)号：US20230004660A1

公开(公告)日：2023-01-05

申请号：US17940214

申请日：2022-09-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinhyoung KIM ,  Sunjune KONG ,  Bumhan KIM ,  Taehoon KIM

IPC: G06F21/60 ,  G06F21/31 ,  G06F21/62 ,  H04L9/32

Abstract: According to certain embodiments, an electronic device comprises: a memory storing an interface and an application; a processor; and a secure module physically separated from the processor and including a secure processor and a secure memory, wherein the processor is configured to: obtain user authentication information, through the interface; attempt user authentication, based on the user authentication information; obtain data stored in the secure memory when the user authentication succeeds; store a first token including a first valid duration for an access to the secure memory, the obtained data, and a first key value for decoding the obtained data in a buffer; and delete the first token and the first key value from the buffer when the first valid duration expires.

公开(公告)号：US20220309187A1

公开(公告)日：2022-09-29

申请号：US17701820

申请日：2022-03-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hansang SONG ,  Bumhan KIM

IPC: G06F21/62

Abstract: An electronic device and permission control method are disclosed. The electronic device includes a display, a communication circuitry, a memory and a processor. The processor implements the method, including: receiving a first evaluation regarding usage of an access permission by at least one application from a server, via the communication circuitry, generating usage information indicating historical usage of the access permission by the at least one application, generating a second evaluation of the access permission granted to the at least one application, based at least on the usage information, determining an evaluation result based on at least one of the first evaluation or the second evaluation, and determining whether to display a user notification regarding the access permission, based on the evaluation result.