35results about How to "Implement encryption protection" patented technology

The invention discloses a repositioned singling and a method for encrypting data, which comprises the following steps: receiving initial encrypting sequence numbers which are sent by an SRNC by the TPNC, adopting an encrypting RRC singling and user data of the initial encrypting sequence numbers by the TPNC, and then sending an encrypted wireless resource control singling and the user data to a UE. The invention further discloses the repositioned singling and a system with encrypting data, and a wireless network controller. The invention can enable the TPNC to be the same with the encrypting sequence numbers of both ends of the UE, and then can enable the TPNC and the both ends of the UE to obtain clear text data of the other party through decrypting, can guarantee the realization of the encrypting protection of RRC singling and the user data during the repositioning process, and can realize encrypting communication between the UE and the TRNC.

The invention discloses a method for performing identity authentication and file encryption and decryption based on a fingerprint UsbKey, relating to the field of computer information security. A memory unit, a fingerprint identifier and an indication light are integrated on U disc-like equipment with USB interfaces, configuration management is performed by special PC (personal computer for running Windows, Linux and other normal operation systems) terminal management software, and the U disc-like equipment has a memory function of an ordinary U disc, enables a user to perform identity authentication and file encryption and decryption through fingerprints and also can be taken as the ordinary U disc. Password and key management are performed by the safe and convenient method, and loss caused by the fact that a password or a key is lost is avoided.

The invention relates to a logistics terminal device and a goods-receiving method thereof. The goods-receiving method of the logistics terminal device comprises a step 10 of receiving electronic data of parcel logistic information; a step 20 of encrypting the logistics information or privacy information in the logistics information according to a preset encryption algorithm, and generating an encrypted information bar code according to the encrypted information; a step 30 of generating verification information according to a verification code and a preset verification algorithm and generating a verification information bar code according to the verification information; and a step 40 of printing and outputting a logistics sheet provided with the encrypted information bar code and the verification information bar code. The invention further provides the corresponding logistics terminal device. According to the logistics terminal device and the goods-receiving method thereof, an encrypted logistics sheet can be generated when goods is received so that logistics data is encrypted and goods can be received without the participation of a logistics center. Therefore, goods-receiving efficiency is increased.

The invention discloses a quantum encryption microwave relay communication system and a quantum encryption microwave relay communication method. The system comprises a terminal station I, a relay station, and a terminal station II. The terminal station I is used for performing encryption operation on a key k with a key k1 to generate a key e1 and sending the key e1 to the relay station. The relay station is used for performing decryption operation on the key e1 with the key k1 to generate the key k, performing encryption operation on the key k with a key k2 to generate a key e2, and sending the key e2 to the terminal station II. The terminal station II is used for performing decryption operation on the key e2 with the key k2 to generate the key k. The key k1 is generated by the terminal station I and the relay station through a quantum key distribution terminal. The key k2 is generated by the terminal station II and the relay station through the quantum key distribution terminal. Finally, the terminal station I and the terminal station II have the same key k. The key k is relayed through the process. Through key relay transfer, transfer of the key k from the terminal station I to the terminal station II is realized.

The embodiment of the invention discloses an iris identification method. The method comprises: iris feature information of a user is obtained; a vault value that is generated in advance is read, wherein the vault value is obtained in advance by calculation based on iris feature information of an authorized user and a preset encrypted secret key; according to the iris feature information of the user as well as the vault value, a decrypted secret key is calculated; whether the decrypted secret key obtained by calculation matches the preset encrypted secret key is determined; and if so, success of the iris identification is confirmed. In addition, the invention also discloses an iris identification apparatus. With the method and apparatus, encryption protection can be carried out on the terminal and leakage of iris feature information can be prevented effectively.

The invention discloses a method for encrypting fixed-length data capable of carrying effective service information in transmission, comprising the following steps: S1, constructing a to-be-encrypted fixed-length original character string; S2, filling specified data bits of the original character string with service information data to get a service information character string; S3, constructing a position exchange code table to disorganize the data bits of the service information character string according to position disorganization rules; S4, inverting the value of the character string after position disorganization; and S5, converting the system of the character string after value inversion according to system conversion rules. Through the method, the problem that the existing popular encryption and decryption algorithm fails to generate a fixed-length character string after encrypting an original character string is solved. According to the method, double modes of encryption in encryption and decryption share encryption and decryption rules and a rule code table, and the rule code table is updated dynamically in variety of ways to increase the cracking difficulty.

The invention discloses an image encryption method and device, an image decryption method and device, equipment and a readable storage medium. The image encryption method comprises the steps that a binary mark matrix is generated according to image content needing to be encrypted in an original image; marking the original image by using the generated marking matrix; randomly forming an encryptionmatrix by adopting a secret key, and performing AND operation on the encryption matrix and the mark matrix to obtain a mask matrix; and performing exclusive-OR operation on the marked image through the mask matrix to form an encrypted image. During decryption, an encrypted pixel marking matrix is restored on a corresponding bit plane by using exclusive-OR operation, and the corresponding bit planes of all encrypted pixels are subjected to exclusive-OR operation again to restore the encrypted pixel content of the image. According to the invention, a user can restrain the access permission of part of people to part of the image content. When the condition is allowed, the user or an authorized party restores the original content through the protected image.

The invention discloses an image encryption method and device, an image decryption method and device, electronic equipment and a storage medium. The image encryption method comprises the following steps: dividing a to-be-encrypted image into a plurality of rectangular pixel blocks with the same size; taking the rectangular pixel block covered by the area needing to be encrypted as an encryption block; sequentially carrying out intra-block pixel scrambling and inter-block scrambling on all the encryption blocks; and replacing the encryption blocks before scrambling with the scrambled encryptionblocks in sequence to form an encrypted image. The image decryption method includes: dividing the image to be decrypted into a plurality of rectangular pixel blocks with the same size during decryption; determining an encryption block from all the rectangular pixel blocks; performing inter-block reverse scrambling and intra-block pixel reverse scrambling on all the encrypted blocks to obtain decrypted pixel blocks; and replacing the corresponding encryption blocks with the decryption pixel blocks in sequence to form a decrypted image. According to the invention, the user can restrain the access permission of part of people to part of image content. When the condition is allowed, the user or the authorized party restores the original content through the protected image.

The invention provides a power dependable safety communication system based on a dependable computing module, and belongs to the field of network information safety. The system comprises an embedded type controller, a storage module, the dependable computing module, a local communication interface and a wireless network interface; the storage module, the dependable computing module, the local communication interface and the wireless network interface are in both-way connection with the embedded type controller. According to the power dependable safety communication system based on the dependable computing module, the dependable computing principle and related safety protection technologies are used for power safety communication, the system mainly achieves dependable access of various power embedded type terminals through protection of the power dependable safety communication module, illegal network attacks are prevented, and information safety of the power embedded type terminals is ensured.

The invention provides an application encryption method, relates to the field of mobile applications, and solves the problem of user information leakage caused by an operating system of a mobile terminal. The application encryption method comprises the steps of displaying information of an application that is preset to be an encrypted application in an encrypted manner; detecting whether a safety password input by a user is accordant with a safety password corresponding to the application stored in an encrypted database or not; and if so, displaying the application information normally. The technical scheme provided by the invention is applicable to the operating system of the mobile terminal, and the problem of user information leakage caused by the operating system of the mobile terminal is solved.

The invention relates to a logistics terminal device and a delivery method thereof. The delivery method of the logistics terminal device comprises the following steps: 10) scanning an encrypted information barcode on a decoding logistics sheet to obtain encrypted information, and decrypting the encrypted information according to a preset encryption algorithm; 20) scanning a verification information barcode on the decoding logistics sheet to obtain verification information; 30) receiving a verification code; and 40) according to the received verification code and the preset verification algorithm, generating the verification information again, and comparing the verification information with the verification information obtained in the S20). The invention also provides a corresponding logistics terminal device. The logistics terminal device and the delivery method of the logistics terminal device can deliver according to the encrypted logistics sheet, realizes the encryption protection of logistics data, can finish delivery without the participation of a logistics center, and improves delivery efficiency.

The embodiment of the invention discloses an information encryption and decryption method in a short message. The method comprises the following steps: a mobile terminal bottom layer receives at leastone original short message containing privacy information; when the original short message satisfies an encryption condition, the mobile terminal bottom layer encrypts the privacy information in theoriginal short message to generate an encrypted short message, and sends the encrypted short message to a short message application of a mobile terminal; and the short message application of the mobile terminal decrypts the encrypted short message after receiving the encrypted short message. The embodiment of the invention further discloses an information encryption and decryption apparatus in theshort message.

The invention provides an E-mail processing method and a processing gateway. The E-mail processing method comprises the steps of receiving a first E-mail to be sent wherein the first E-mail comprisesa receiver address; if the address of the receiver is the mailbox address of a mail server of an external domain, encrypting the first electronic mail to obtain a first encrypted electronic mail; andsending the first encrypted e-mail to a receiver according to the receiver address. According to the embodiment of the invention, encryption protection is carried out on the e-mail sent to the outer domain, the safety of e-mails is improved, and meanwhile, the problems that an e-mail processing method in the prior art is easy to make mistakes, tedious in operation and low in efficiency are solved.

The invention provides a supervisible zero-knowledge proof verification method and system in a block chain, and the method comprises the steps: creating a main account of a user through a client, obtaining a main address which is in one-to-one connection with the identity of the user, and recording the main address in a block chain smart contract; generating a public and private key pair of the user according to the main address, and broadcasting the public and private key pair of the user to the whole block chain network; obtaining a secondary address of the user based on the public and private key pair of the user and the public key of the supervisor; performing legality verification on the transaction initiated by the user through the main address recorded by the block chain smart contract; if it is judged that the transaction is legal, executing the transaction; otherwise, enabling the supervisor to judge the relevance between the primary address and the secondary address of the user through ring signature confusion, and obtaining the identity information of the user. According to the embodiment of the invention, the encryption protection of supervisible anonymous and sensitive data of the user identity is realized, and the verification of data authenticity by a consensus node is supported.

The invention discloses a Java application program encryption method and device, and is applied to the technical field of electronics. The method comprises the following steps: determining a first Tagvalue sequence in a constant pool of a Java application program to be encrypted, and reordering Tag values in the first Tag value sequence to obtain a plurality of second Tag value sequences with different Tag value orders; and replacing the first Tag value sequence with the plurality of second Tag value sequences to form an encrypted Java application program. The technical problems of poor security of the Java application program and leakage of important algorithms and data in the prior art are solved.

The invention discloses a database encryption method supporting combinable SQL query. The scheme mainly comprises the following steps that: (1) based on an encryption method provided by the invention, a user encrypts and preprocesses data, and uploads an encryption result and preprocessed data to a service provider; (2) an SQL query instruction is set and uploaded: the user uploads a query instruction to a service provider according to an actual demand, and uploads an auxiliary parameter used for querying the instruction at the same time; and (3) data query is performed: the service provider performs SQL query according to a query instruction and auxiliary parameters received from the user, stores a calculation result, updates data and returns a query result to the user. The method can be applied to data encryption storage and encrypted data query in actual life and business, and has the advantages of being high in universality, safe, efficient, capable of protecting privacy, easy and convenient to use, high in efficiency, small in memory and time consumption and the like.

The invention relates to the field of data processing, in particular to a production data processing method and device, computer equipment and a storage medium. The method comprises the following steps: generating a random number key by utilizing a management U key, and importing the random number key into the management U key and a user U key bound with the management U key; in response to the situation that original production data needing to be encrypted exist in a data acquisition terminal which is pre-deployed with an encryption card, inserting the user USB key into the data acquisition terminal; reading a random number key from the user USB key; and sending the random number key read from the user USB key to an encryption card, and encrypting original production data needing to be encrypted by the encryption card based on the random number key read from the user USB key and a preset encryption algorithm to generate encrypted data. According to the scheme, encryption protection on the production data is realized through the USB key and the encryption card, and the security of the data is improved.

The invention relates to the technical field of information security, in particular to a trusted cryptographic module security management method and system. The authorization role comprises a password manager used for generating a trusted password module key and setting a working mode and administrator authorization data, an administrator used for generating a storage main key and user setting authorization data, and a user used for using password service; when the trusted password module is logged in, physical authorization is carried out on a password manager in a safe environment, and role identification is carried out on an administrator and a user by executing data encryption and decryption through the trusted password module. Authorization roles of the trusted password module are set as the password manager, the administrator and the user, different role tasks are distinct, and physical identification under a safe environment is carried out on the password manager, so that role setting and task distinct can be effectively ensured, illegal users are prevented from logging in and accessing the trusted password module, and role and identification security management in the trusted cryptographic module is ensured.

The invention relates to a media data encryption method based on an RTP in a VoIP communication network, and belongs to the technical field of communication. The method comprises the following steps that SD_A receives an RTP packet and forwards the RTP packet to REU_A; after the REU_A receives the RTP packet, if the REU_A does not find a corresponding TID through FID_A, the REU_A initiates a negotiation request to REU_B; after the REU_B receives the negotiation request, the REU_B completes channel negotiation with the REU_A through the negotiation data, establishes a corresponding channel TIDof the REU_A and the REU_B, and binds the FID_A with the channel TID; and the REU_A finds the corresponding TID through the FID_A, carries out RTP load encryption, and returns the encrypted RTP to theSD_A. According to the method, the media data borne on the RTP can be encrypted and protected no matter what communication protocol is adopted by a signaling plane of the VoIP and no matter encryption equipment is deployed at any position of a communication link.