30results about How to "Prevent illegal reading" patented technology

The invention relates to an electronic device, comprising an interface module, an encrypting-decrypting module, a storing module, an encoding-decoding module and an accessing module. The storing module is used for storing pre-set data. The encrypting-decrypting module is respectively connected with the interface module, the storing module and the encoding-decoding module. The encrypting-decryptingmodule is used for encrypting the received user data from the interface module by using the pre-set data and transferring the encrypted data to the encoding-decoding module for encoding and then theencoded data are stored into a storing medium by the storing module. The encrypting-decrypting module is also used for decrypting the received user data from the encoding-decoding module by using thepre-set data and transferring the decrypted data to the interface module to be output. Taking the pre-set data in the electronic device as an encrypted code can effectively avoid the illegal reading of the user data because other electronic devices cannot obtain the corresponding encrypted code and then cannot read the encrypted user data even though the storing medium is lost. Moreover, the invention also provides a data encrypting method and a data decrypting method.

The invention discloses an electronic information card provided with a tungsten alloy shield plate. The electronic information card comprises an electronic information card substrate and the tungsten alloy shield plate arranged in the electronic information card substrate; the electronic information card substrate comprises a chip and / or a magnetic strip; the tungsten alloy shield plate comprises the following components in mass percentage: 30%-98% of tungsten, 1.23%-40% of nickel, 0.53%-27% of copper, 0.24%-3% of cobalt and 0.1%-1.0% of rare earth. The invention further discloses the tungsten alloy shield plate. According to the tungsten alloy shield plate and the electronic information card provided with the same, the tungsten alloy shield plate with an excellent radiation-proof property is arranged in the electronic information card, so that information in the electronic information card can be prevented from being read or interfered.

The embodiment of the present application discloses a blockchain-based data processing method, device, and terminal, wherein the method includes: receiving an acquisition request for target data sent by a second terminal, acquiring a key pair corresponding to the first terminal, The key pair corresponding to the first terminal includes a second private key and a second public key; use the second public key to encrypt the target data to obtain the ciphertext of the target data; and use the first public key to encrypt the target data The second private key is encrypted to obtain the ciphertext of the second private key; the ciphertext of the second private key and the ciphertext of the target data are stored in the block chain network, so that the second terminal can obtain the ciphertext from the area The ciphertext of the second private key and the ciphertext of the target data are read in the block chain network, and the ciphertext of the target data is decrypted according to the ciphertext of the second private key to obtain the target data. Through the embodiments of the present application, the security of data in the blockchain can be improved.

The present invention discloses a device for restoring the download path of a mobile terminal, and the device includes a capacitor(23) and a switch circuit(24), wherein one end of the capacitor(23) is connected with a pin of the main chip(21) of the mobile terminal, and the other end is connected with the switch circuit(24); and the switch circuit(24) is serially connected between the main chip(24) of the mobile terminal and a download interface(22). The application of the present invention can realize the legal download purpose of legally downloading update software, thereby improving user experience, effectively preventing a hacker from illegally reading data from and downloading data to the mobile terminal, and better achieving the purpose of network locking.

The invention relates to a novel anti-cracking method of a two-dimensional barcode in the field of information processing. Cracking the code content and illegally reading the code can improve the security of the code and the effectiveness of anti-counterfeiting. It is also suitable for low-precision printers. While printing the printed image, a large amount of information is embedded through various patterns and texts, so that The printed image is beautiful, and at the same time, the embedded information will not be copied, so as to realize the anti-counterfeiting effect of goods and tax stamps, thereby completely solving the problems of bill forgery, tampering, and commodity counterfeiting spreading in society, and promoting the harmonious development of society.

A card processing device (100) in which a card transfer unit (5) transfers a magnetic card (20) and a magnetic reading unit (4) reads magnetic information recorded in the magnetic card (20) in a body part (1) is provided with a card insertion and ejection opening unit (10). The card insertion and ejection opening unit (10) includes an opening (10b) into which and from which the magnetic card (20) is inserted and ejected, and a magnetic field generation unit (11) for generating an interference magnetic field, and is detachable from a card slot part (1a) of the body part (1) of the card processing device (100).

The invention provides a data authentication system, which comprises a management server, at least one mirror image server and an authentication server, wherein the management server is used for receiving a first communication connection request, and transmitting a first digital certificate and a second digital certificate in the first communication connection request to the authentication server; the at least one mirror image server is used for receiving a second communication connection request, and transmitting the second digital certificate and the first digital certificate in the second communication connection request to the authentication server; the authentication server is used for judging whether the management server and the at least one mirror image server pass authentication or not, and if the management server and the at least one mirror image server pass the authentication, a communication connection is allowed to be established between the management server and the at least one mirror image server. The invention also provides a data authentication method. According to the technical scheme provided by the invention, the safety of patient information in the management server and the at least one mirror image server can be ensured, and therefore, the patient information in the management server and the at least one mirror image server is prevented from being illegally read, and illegal information is prevented from being written in the management server or the at least one mirror image server.

The invention provides a device used for preventing an unauthorized user from starting software. The device comprises a data interface, a storage and a main control chip. The data interface is used for transmitting obtained MAC addresses of a computer and input user passwords. The storage is used for storing system files, storing the MAC address and an account name which are obtained when the device is connected with the computer at the first time and storing the user password input at the first time. The main control chip is used for conducting verification on the obtained current MAC address of the computer and the original MAC address obtained at the first time and conducting verification on the current input user password and the original user password input at the first time and executes related operations according to verification results. A method with the device adopted comprises the steps that if the obtained current MAC address of the computer is the same as the original computer MAC address obtained at the first time, a user password input window is popped up; if the current input user password is the same as the original user password input at the first time, software is started. According to the method and device for preventing the unauthorized user from starting the software, after it is determined that the current computer is not bonded with a USERKEY, the specific software cannot be started so as to guarantee the safety and the effectiveness of the software.

The present invention proposes a mobile terminal secure communication method and system, the method includes a key negotiation process, a secure instant communication process and a secure call process; the key negotiation process: the first mobile terminal and the service platform perform identity authentication and key The first session key is obtained after negotiation; the second mobile terminal obtains the second session key after identity authentication and key negotiation with the service platform; the secure instant messaging process: the first mobile terminal communicates with the service platform through the service platform The second mobile terminal uses the first session key and the second session key to perform encryption and decryption processing of instant messaging information; the secure call process: the first mobile terminal uses the service platform to The first session key, the second session key and the second mobile terminal distribute the data encryption key; the first mobile terminal and the second mobile terminal use the data encryption key to Encryption and decryption of voice call information.

The application discloses a storage method, device and equipment for driving data. A specific embodiment of the storage method of the driving data includes: analyzing the importance of the received driving data to determine the storage level of the driving data; obtaining the corresponding key and encryption algorithm according to the storage level of the driving data; The driving data is encrypted using a key and an encryption algorithm; the encrypted driving data is stored in a storage area corresponding to the storage level of the driving data. This embodiment can improve the security of driving data by encrypting and storing data in different levels, effectively prevent important driving data from being illegally read or maliciously tampered with, and can improve the storage efficiency of driving data at the same time.

An IPTV system comprises content source CO, content service unit CS, content management unit CM, service management unit SM, single-way guide unit EPG of electronic program, top box STB, content enciphering unit CE, cipher key management unit KM and authorization management unit RM for providing enciphered program. The method of issuing and viewing enciphered program is also disclosed.

A test terminal negation circuit (100) comprises a switch circuit (102) receiving a test signal from a test terminal (101) and outputs it in an asserted state as it is or in a predetermined negated state to a test object circuit (106), a test signal control circuit (105) which controls an output signal of the switch circuit (102) to be asserted or negated, a test mode signal generation circuit (103) which generates a test mode signal which asserts the output signal of the switch circuit (102), and a negating signal generation circuit (104) which can output a negating signal for forcing the output signal of the switch circuit (102) into negated state and comprises an electrically rewritable nonvolatile memory element. When the test signal control circuit (105) receives the negating signal, it does not assert the output signal of the switch circuit (102) even it receives the test mode signal.