CN105573693A - Projection data transmission method and user terminal - Google Patents
Projection data transmission method and user terminal Download PDFInfo
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- CN105573693A CN105573693A CN201510289864.4A CN201510289864A CN105573693A CN 105573693 A CN105573693 A CN 105573693A CN 201510289864 A CN201510289864 A CN 201510289864A CN 105573693 A CN105573693 A CN 105573693A
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Abstract
Embodiments of the invention disclose a projection data transmission method and a user terminal. The projection data transmission method comprises the steps that the user terminal obtains to-be-projected data firstly, generates an encryption key by using a data list including a terminal equipment number of the user terminal in a predetermined encryption way, and performs encryption on the to-be-projected data by using the encryption key to obtain encrypted projection data; the user terminal sends the encrypted projection data to projection equipment to enable the projection equipment to generate a decryption key for decrypting the encrypted projection data; the user terminal receives the decryption key from the projection equipment and detects whether the encryption key is matched with the decryption key or not; and if the encryption key is not matched with the decryption key, the data transmission to the projection equipment is stopped. By the implementation of the embodiments of the invention, the security in the projection data transmission process can be improved.
Description
Technical field
The present invention relates to field of terminal technology, particularly relate to method and the user terminal of the transmission of a kind of data for projection.
Background technology
Along with the arrival of information age, multimedia technology fast development, the application of projector equipment is also more and more extensive.For example, user terminal can be connected by wired or wireless access way and projector equipment, and projects, so that the data to be projected in user terminal the small screen are shown to user by the mode of projection shooting.When the data to be projected in user terminal the small screen are shown to user by the mode of projection shooting, user terminal needs first will the data to be projected of display to be needed to be transferred to projector equipment.But owing to carrying out in data transmission procedure to be projected, not setting data safe transmission measure, after these data to be projected are stolen by lawless person, then may cause immeasurable consequence.Visible, when at present the data to be projected on subscriber terminal equipment being transferred to projector equipment, in data transmission procedure to be projected, security is not high.
Summary of the invention
Embodiments provide method and the user terminal of the transmission of a kind of data for projection, the security of data for projection transmitting procedure can be improved.
Embodiment of the present invention first aspect discloses the method for a kind of data for projection transmission, comprising:
User terminal obtains data to be projected, and use the data list of the terminal device number comprising described user terminal to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection;
Described user terminal sends described encryption data for projection to projector equipment, to make the decruption key of described projector equipment generation for deciphering described encryption data for projection;
Described user terminal receives the described decruption key that described projector equipment sends, and detects described encryption key and whether described decruption key matches, and if not, then stops to described projector equipment transmission data.
Embodiment of the present invention second aspect discloses the method for a kind of data for projection transmission, comprising:
Projector equipment receives the encryption data for projection that user terminal sends, described encryption data for projection is that described user terminal uses encryption key to treat data for projection and be encrypted the data obtained, and described encryption key is that described user terminal uses the data list of the terminal device number comprising described user terminal to generate encryption key according to the cipher mode preset;
Described projector equipment uses the data list of the terminal device number comprising described user terminal according to the manner of decryption generating solution decryption key preset, and described decruption key is sent to described user terminal, described encryption key is detected and whether described decruption key matches to make described user terminal, if not, then described user terminal stops sending data to described projector equipment.
The embodiment of the present invention third aspect discloses a kind of user terminal, comprising:
Acquiring unit, for obtaining data to be projected, and use the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection;
First transmitting element, for sending described encryption data for projection to projector equipment, to make the decruption key of described projector equipment generation for deciphering described encryption data for projection;
Transmit-Receive Unit, receives the described decruption key that described projector equipment sends, and detects described encryption key and whether described decruption key matches, and if not, then stops to described projector equipment transmission data.
Embodiment of the present invention fourth aspect discloses a kind of projector equipment, comprising:
First receiving element, for receiving the encryption data for projection that user terminal sends, described encryption data for projection is that described user terminal uses encryption key to treat data for projection and be encrypted the data obtained, and described encryption key is that described user terminal uses the data list of the terminal device number comprising described user terminal to generate encryption key according to the cipher mode preset;
Generation unit, for using the data list of the terminal device number comprising described user terminal according to the manner of decryption generating solution decryption key preset, and described decruption key is sent to described user terminal, described encryption key is detected and whether described decruption key matches to make described user terminal, if not, then described user terminal stops sending data to described projector equipment.
In the embodiment of the present invention, user terminal first obtains data to be projected, and use the data list of the terminal device number comprising described user terminal to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection; Described user terminal sends described encryption data for projection to projector equipment, to make the decruption key of described projector equipment generation for deciphering described encryption data for projection; Described user terminal receives the described decruption key that described projector equipment sends, and detects described encryption key and whether described decruption key matches, and if not, then stops to described projector equipment transmission data.Implement the embodiment of the present invention, before user terminal sends data to be projected, the data list of the terminal device number comprising described user terminal is first used to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection, and when the encryption key detecting that user terminal generates does not mate with the decruption key that projector equipment generates, stop sending data to described projector equipment.Visible, implement the security that the embodiment of the present invention can improve data for projection transmitting procedure.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the method for a kind of data for projection transmission disclosed in the embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the method for another kind of data for projection transmission disclosed in the embodiment of the present invention;
Fig. 3 is the schematic flow sheet of the method for disclosed another data for projection transmission of the embodiment of the present invention;
Fig. 4 is the structural representation of a kind of user terminal disclosed in the embodiment of the present invention;
Fig. 5 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention;
Fig. 6 is the structural representation of a kind of projector equipment disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses method and the user terminal of the transmission of a kind of data for projection, implement the embodiment of the present invention, before user terminal sends data to be projected, the data list of the terminal device number comprising described user terminal is first used to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection, and when the encryption key detecting that user terminal generates does not mate with the decruption key that projector equipment generates, stop sending data to described projector equipment.Visible, implement the security that the embodiment of the present invention can improve data for projection transmitting procedure.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of the method for a kind of data for projection transmission disclosed in the embodiment of the present invention.User terminal shown in Fig. 1 can include but not limited to the user terminals such as smart mobile phone (as Android phone, iOS mobile phone etc.), panel computer, palm PC and mobile internet device (MobileInternetDevices, MID), PAD.As shown in Figure 1, the method can comprise:
S101, user terminal obtain data to be projected, and use the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset, and use encryption key to treat data for projection to be encrypted, to obtain encrypting data for projection.
In the embodiment of the present invention, data to be projected can comprise the data such as video display, picture or word.
In the embodiment of the present invention, terminal device number can include but not limited to mobile device international identity code (InternationalMobileEquipmentIdentity, IMEI).
In the embodiment of the present invention, cipher mode can include but not limited to Message Digest Algorithm 5 (MessageDigestAlgorithm, MD5), Secure Hash Algorithm (SecureHashAlgorithm, and the cipher mode such as data encryption standards (DataEncryptionStandard, DES) SHA).Wherein, MD5 is the widely used a kind of hash function of computer safety field, in order to provide the integrity protection of message.Secure Hash Algorithm (SecureHashAlgorithm, SHA) Digital Signature Standard (DigitalSignatureStandard is mainly applicable to, DSS) Digital Signature Algorithm (DigitalSignatureAlgorithm, DSA) of the inside definition.Length is less than to the message of 2^64 position, SHA can produce the eap-message digest of 160.In time receiving message, this eap-message digest can be used for the integrality of verification msg.In the process of transmission, data change possibly, so at this time will produce different eap-message digests.Wherein, SHA1 has following characteristic: cannot restore information from eap-message digest; Two different message can not produce same eap-message digest.Data encryption standards (DataEncryptionStandard, DES) is a kind of block algorithm using secret key encryption.
Particularly, after user terminal and projector equipment connect, then user terminal can go to obtain data to be projected, and is encrypted the data to be projected got.Wherein, should adopt in above-mentioned cipher mode when encryption one or more, and with the data list of the terminal device comprising user terminal number for according to generating encryption key.And use the encryption key generated to be encrypted these data to be projected.For example, when terminal device number comprises IMEI, then the encryption key generated should be relevant to IMEI, selecting as cipher mode, can be the one of arbitrary cipher mode, or the combination of multiple cipher mode.
S102, user terminal send encryption data for projection to projector equipment, generate for separating the decruption key encrypting data for projection to make projector equipment.
In the embodiment of the present invention, projector equipment can include but not limited to projector, projection screen etc., but in the present embodiment, projector equipment is mainly based on projector.
In the embodiment of the present invention, projector equipment then can use the data list of the terminal device number comprising user terminal according to the manner of decryption generating solution decryption key preset after receiving the encryption data for projection that user terminal sends.Wherein, encryption data for projection is that user terminal uses encryption key to treat data for projection and be encrypted the data obtained, and encryption key is that user terminal uses the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset.
S103, user terminal receive the decruption key that projector equipment sends, and detect encryption key and whether decruption key matches, and if not, then stop to projector equipment transmission data.
In the embodiment of the present invention, when receiving projector equipment and using the data list of the terminal device number comprising user terminal according to the manner of decryption generating solution decryption key preset, then user terminal can detect encryption key that user terminal generates and whether the decruption key that projector equipment generates matches.Wherein, whether whether the encryption key that generates of above-mentioned user terminal and the decruption key that projector equipment generates match to can be understood as encryption key that user terminal generates identical with the decruption key that projector equipment generates; Whether the encryption key that also can be understood as user terminal generation conforms to the matched rule prestored with the decruption key that projector equipment generates.
For example, when the encryption key that user terminal generates and the decruption key that projector equipment generates whether match be understood as encryption key that user terminal generates whether identical with the decruption key that projector equipment generates time example can be: the decruption key generated when user terminal is 123*, the decruption key that projector equipment generates is 123*, then illustrate that the encryption key that user terminal generates is identical with the decruption key that projector equipment generates.When the decruption key that the encryption key generated by user terminal and projector equipment the generate example be understood as when whether encryption key that user terminal generates conforms to the matched rule prestored with the decruption key that projector equipment generates that whether matches can be: when the matched rule prestored increases by the form adding 1 at every turn, and when all carrying * after key, as: the encryption key generated when user terminal is 123*, and the decruption key of projector equipment is when being 456*, then illustrate that the encryption key that user terminal generates conforms to the decruption key that projector equipment generates.If when the decruption key that projector equipment generates is 458#, then illustrate that the encryption key that user terminal generates does not conform to the decruption key that projector equipment generates.
In the embodiment of the present invention, if when user terminal is not wanted to mate with the decruption key that projector equipment generates according to the encryption key detecting user terminal generation according to above-mentioned detection, then user terminal can stop continuing to send data to this projector equipment.And projector equipment when not continuing to receive the data that this user terminal sends within the time period preset, then the data relevant to the data that this transmits received before can be abandoned.
In FIG, user terminal first obtains data to be projected, and use the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset, and use encryption key to treat data for projection to be encrypted, to obtain encrypting data for projection; User terminal sends encryption data for projection again to projector equipment, to make projector equipment generation for the decruption key of enabling decryption of encrypted data for projection; User terminal receives the decruption key that projector equipment sends, and detects encryption key and whether decruption key matches, and if not, then stops to projector equipment transmission data.Implement the embodiment of the present invention, before user terminal sends data to be projected, the data list of the terminal device number comprising user terminal is first used to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection, and when the encryption key detecting that user terminal generates does not mate with the decruption key that projector equipment generates, stop sending data to described projector equipment.Visible, implement the security that the embodiment of the present invention can improve data for projection transmitting procedure.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of the method for another kind of data for projection transmission disclosed in the embodiment of the present invention.As shown in Figure 2, the method for this data for projection transmission can comprise the following steps:
S201, user terminal send connection request to projector equipment.
In the embodiment of the present invention, connection request carries the terminal device number of user terminal.
The step introduced in the embodiment of the present invention is mainly used in the method introducing data for projection transmission.Wherein, the transmission of data for projection, when using the transmission the need of cable as partitioning standards, can comprise wire transmission (as used USB data line etc.) and wireless transmission (as used the mode such as WiFi or bluetooth).When with the need of when connecting as partitioning standards with data network, Internet Transmission can be comprised and non-network is transmitted.
As the optional embodiment of one, when user terminal uses network to carry out transmitting data to be projected, user terminal need connect with server, because each station server has unique IP address, therefore, user terminal, when sending connection request, except comprising the terminal device extra of this user terminal in this connection request, can also carry the IP address setting up the server that network is connected with this user terminal.
As the optional embodiment of another kind, when user terminal uses non-network to transmit data to be projected, then the connection request sent should carry the terminal device number of this user terminal.
S202, when user terminal receives the connection response that projector equipment response connection request sends, set up the data list comprising terminal device number.
In the embodiment of the present invention, according to step S201, when user terminal is when using Internet Transmission data to be projected, due to when sending connection request, during except the terminal device of this user terminal, also carry the IP address setting up the server that network is connected with this user terminal.Therefore, when user terminal receives the connection response that projector equipment response connection request sends, the data list of the IP address comprising terminal device number and set up the server that network is connected with this user terminal is set up.
S203, user terminal obtain data to be projected, and extract terminal device number from data list.
In the embodiment of the present invention, terminal device number can include but not limited to mobile device international identity code (InternationalMobileEquipmentIdentity, IMEI).
S204, user terminal generate encryption key according to terminal device number according to the cipher mode preset, and use encryption key to treat data for projection to be encrypted, to obtain encrypting data for projection.
S205, user terminal send encryption data for projection to projector equipment, to make projector equipment generation for the decruption key of enabling decryption of encrypted data for projection.
S206, user terminal receive the decruption key that projector equipment sends, and detect encryption key and whether decruption key matches, and if not, then stop to projector equipment transmission data.
As a kind of optional embodiment, if user terminal detects encryption key and decruption key matches, then send idsplay order to projector equipment, show the deciphering data for projection after by the deciphering of encryption data for projection to make projector equipment.
In fig. 2, describe in detail and obtain data to be projected at user terminal, and use the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset, and use encryption key to treat data for projection to be encrypted, before obtaining encryption data for projection, also need to set up the data list of a terminal device comprising user terminal number.And necessarily comprise the terminal device number of this user terminal in this data list, and according to the transmission mode of different data to be projected, the information comprised in this data list can be different.And after user terminal generates encryption key and projector equipment generating solution decryption key, can also corresponding encryption key and decruption key be added in this data list in this data list.Implement the embodiment of the present invention, user terminal can be treated data for projection according to user terminal unique terminal device number and be encrypted, and also according to set up the IP address of the server that network is connected and terminal device number combined with this user terminal, data for projection can be treated and be encrypted.Therefore, both add security in data transmission procedure to be projected, and add the foundation of encrypting in ciphering process simultaneously.
Refer to Fig. 3, Fig. 3 is the schematic flow sheet of the method for disclosed another data for projection transmission of the embodiment of the present invention.Projector equipment shown in Fig. 3 can comprise projector, and as shown in Figure 3, the method for this data for projection transmission can comprise the following steps:
S301, projector equipment receive the connection request that user terminal sends.
In the embodiment of the present invention, connection request carries the terminal device number of user terminal.
In the embodiment of the present invention, terminal device number can include but not limited to mobile device international identity code (InternationalMobileEquipmentIdentity, IMEI).
In the embodiment of the present invention, the transmission mode of data for projection is not unique, the transmission of data for projection, when using the transmission the need of cable as partitioning standards, can comprise wire transmission (as used USB data line etc.) and wireless transmission (as used the mode such as WiFi or bluetooth).When with the need of when connecting as partitioning standards with data network, Internet Transmission can be comprised and non-network is transmitted.
As the optional embodiment of one, when user terminal uses network to carry out transmitting data to be projected, user terminal need connect with server, because each station server has unique IP address, therefore, user terminal, when sending connection request, except comprising the terminal device extra of this user terminal in this connection request, can also carry the IP address setting up the server that network is connected with this user terminal.
As the optional embodiment of another kind, when user terminal uses non-network to transmit data to be projected, then the connection request sent should carry the terminal device number of this user terminal.
S302, projector equipment send the connection response of response connection request, set up to make user terminal the data list comprising terminal device number.
In the embodiment of the present invention, according to step S301, when user terminal is when using Internet Transmission data to be projected, due to when sending connection request, during except the terminal device of this user terminal, also carry the IP address setting up the server that network is connected with this user terminal.Therefore, when user terminal receives the connection response that projector equipment response connection request sends, the data list of the IP address comprising terminal device number and set up the server that network is connected with this user terminal is set up.
S303, projector equipment receive the encryption data for projection that user terminal sends.
In the embodiment of the present invention, encryption data for projection is that user terminal uses encryption key to treat data for projection and be encrypted the data obtained, and encryption key is that user terminal uses the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset.
In the embodiment of the present invention, cipher mode can include but not limited to Message Digest Algorithm 5 (MessageDigestAlgorithm, MD5), Secure Hash Algorithm (SecureHashAlgorithm, and the cipher mode such as data encryption standards (DataEncryptionStandard, DES) SHA).
Particularly, after user terminal and projector equipment connect, then user terminal can go to obtain data to be projected, and is encrypted the data to be projected got.Wherein, should adopt in above-mentioned cipher mode when encryption one or more, and with the data list of the terminal device comprising user terminal number for according to generating encryption key.And use the encryption key generated to be encrypted these data to be projected.For example, when terminal device number comprises IMEI, then the encryption key generated should be relevant to IMEI, selecting as cipher mode, can be the one of arbitrary cipher mode, or the combination of multiple cipher mode.
S304, projector equipment use the data list of the terminal device number comprising user terminal according to the manner of decryption generating solution decryption key preset, and decruption key is sent to user terminal, whether match to make user terminal detection encryption key and decruption key, if not, then user terminal stops sending data to projector equipment.
In the embodiment of the present invention, the close rule of identical volume that manner of decryption should adopt with the cipher mode that step S303 introduces.
In figure 3, projector equipment first receives the encryption data for projection that user terminal sends; Projector equipment re-uses the data list of the terminal device number comprising user terminal according to the manner of decryption generating solution decryption key preset, and decruption key is sent to user terminal, whether match to make user terminal detection encryption key and decruption key, if not, then user terminal stops sending data to projector equipment.Implement the embodiment of the present invention, before user terminal sends data to be projected, the data list of the terminal device number comprising user terminal is first used to generate encryption key according to the cipher mode preset, and use encryption key to treat data for projection to be encrypted, obtain encrypting data for projection, and when the encryption key detecting that user terminal generates does not mate with the decruption key that projector equipment generates, stop sending data to projector equipment.Visible, implement the security that the embodiment of the present invention can improve data for projection transmitting procedure.
Refer to Fig. 4, Fig. 4 is the structural representation of a kind of user terminal disclosed in the embodiment of the present invention, for performing the method for above-mentioned data for projection transmission.Wherein, the user terminal related in Fig. 4 can include but not limited to the user terminals such as smart mobile phone (as Android phone, iOS mobile phone etc.), panel computer, palm PC and mobile internet device (MobileInternetDevices, MID), PAD.As shown in Figure 4, this user terminal can comprise: acquiring unit 401, first transmitting element 402 and Transmit-Receive Unit 403, wherein,
Acquiring unit 401, for obtaining data to be projected, and uses the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset, and uses encryption key to treat data for projection to be encrypted, to obtain encrypting data for projection.
In the embodiment of the present invention, data to be projected can comprise the data such as video display, picture or word.
In the embodiment of the present invention, terminal device number can include but not limited to mobile device international identity code (InternationalMobileEquipmentIdentity, IMEI).
In the embodiment of the present invention, cipher mode can include but not limited to Message Digest Algorithm 5 (MessageDigestAlgorithm, MD5), Secure Hash Algorithm (SecureHashAlgorithm, and the cipher mode such as data encryption standards (DataEncryptionStandard, DES) SHA).Wherein, MD5 is the widely used a kind of hash function of computer safety field, in order to provide the integrity protection of message.Secure Hash Algorithm (SecureHashAlgorithm, SHA) Digital Signature Standard (DigitalSignatureStandard is mainly applicable to, DSS) Digital Signature Algorithm (DigitalSignatureAlgorithm, DSA) of the inside definition.Length is less than to the message of 2^64 position, SHA can produce the eap-message digest of 160.In time receiving message, this eap-message digest can be used for the integrality of verification msg.In the process of transmission, data change possibly, so at this time will produce different eap-message digests.Wherein, SHA1 has following characteristic: cannot restore information from eap-message digest; Two different message can not produce same eap-message digest.Data encryption standards (DataEncryptionStandard, DES) is a kind of block algorithm using secret key encryption.
Particularly, after user terminal and projector equipment connect, then acquiring unit 401 can go to obtain data to be projected, and is encrypted the data to be projected got.Wherein, should adopt in above-mentioned cipher mode when encryption one or more, and with the data list of the terminal device comprising user terminal number for according to generating encryption key.And use the encryption key generated to be encrypted these data to be projected.For example, when terminal device number comprises IMEI, then the encryption key generated should be relevant to IMEI, selecting as cipher mode, can be the one of arbitrary cipher mode, or the combination of multiple cipher mode.
First transmitting element 402, for sending encryption data for projection to projector equipment, to make projector equipment generation for the decruption key of enabling decryption of encrypted data for projection.
In the embodiment of the present invention, projector equipment can include but not limited to projector, projection screen etc., but in the present embodiment, projector equipment is mainly based on projector.
In the embodiment of the present invention, projector equipment then can use the data list of the terminal device number comprising user terminal according to the manner of decryption generating solution decryption key preset after receiving the encryption data for projection that user terminal sends.Wherein, encryption data for projection is that user terminal uses encryption key to treat data for projection and be encrypted the data obtained, and encryption key is that user terminal uses the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset.
Transmit-Receive Unit 403, receives the decruption key that projector equipment sends, and detects encryption key and whether decruption key matches, and if not, then stops to projector equipment transmission data.
In the embodiment of the present invention, when Transmit-Receive Unit 403 receive projector equipment use the data list of the terminal device number comprising user terminal according to the manner of decryption generating solution decryption key preset time, then Transmit-Receive Unit 403 can detect encryption key that user terminal generates and whether the decruption key that projector equipment generates matches.Wherein, whether whether the encryption key that generates of above-mentioned acquiring unit 401 and the decruption key that projector equipment generates match to can be understood as encryption key that acquiring unit 401 generates identical with the decruption key that projector equipment generates; Whether the encryption key that also can be understood as acquiring unit 401 generation conforms to the matched rule prestored with the decruption key that projector equipment generates.
For example, when the encryption key that acquiring unit 401 generates and the decruption key that projector equipment generates whether match be understood as encryption key that acquiring unit 401 generates whether identical with the decruption key that projector equipment generates time example can be: when the decruption key generated with acquiring unit 401 is 123*, the decruption key that projector equipment generates is 123*, then illustrate that the encryption key that acquiring unit 401 generates is identical with the decruption key that projector equipment generates.When the decruption key that the encryption key generated by acquiring unit 401 and projector equipment the generate example be understood as when whether encryption key that acquiring unit 401 generates conforms to the matched rule prestored with the decruption key that projector equipment generates that whether matches can be: when the matched rule prestored increases by the form adding 1 at every turn, and when all carrying * after key, as: the encryption key generated when user terminal is 123*, and the decruption key of projector equipment is when being 456*, then illustrate that the encryption key that acquiring unit 401 generates conforms to the decruption key that projector equipment generates.If when the decruption key that projector equipment generates is 458#, then illustrate that the encryption key that acquiring unit 401 generates does not conform to the decruption key that projector equipment generates.
In the embodiment of the present invention, if when Transmit-Receive Unit 403 is not wanted to mate with the decruption key that projector equipment generates according to the encryption key that measurement acquisition unit 401 generates according to above-mentioned detection, then Transmit-Receive Unit 403 can stop continuing to send data to this projector equipment.And projector equipment when not continuing to receive the data that this user terminal sends within the time period preset, then the data relevant to the data that this transmits received before can be abandoned.
In the diagram, acquiring unit 401 first obtains data to be projected, and use the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset, and use encryption key to treat data for projection to be encrypted, to obtain encrypting data for projection; First transmitting element 402 sends encryption data for projection again to projector equipment, to make projector equipment generation for the decruption key of enabling decryption of encrypted data for projection; Transmit-Receive Unit 403 receives the decruption key that projector equipment sends, and detects encryption key and whether decruption key matches, and if not, then stops to projector equipment transmission data.Implement the embodiment of the present invention, before the first transmitting element 402 sends data to be projected, acquiring unit 401 first uses the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection, Transmit-Receive Unit 403 also when the encryption key detecting that user terminal generates does not mate with the decruption key that projector equipment generates, stops sending data to described projector equipment.Visible, implement the security that the embodiment of the present invention can improve data for projection transmitting procedure.
Refer to Fig. 5, Fig. 5 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention, for performing the method for above-mentioned data for projection transmission.Wherein, Fig. 5 obtains at the enterprising step refining in the basis of Fig. 4, except comprising all unit shown in Fig. 4, can also comprise: the second transmitting element 404, the 3rd transmitting element 405 and set up unit 406, wherein,
Second transmitting element 404, if match for detection encryption key and decruption key, then sends idsplay order to projector equipment, shows the deciphering data for projection after encrypting data for projection deciphering to make projector equipment.
3rd transmitting element 405, for sending connection request to projector equipment.
In the embodiment of the present invention, connection request carries the terminal device number of user terminal.
Setting up unit 406, for when receiving the connection response that projector equipment response connection request sends, setting up the data list comprising terminal device number.
In the embodiment of the present invention, connection request carries the terminal device number of user terminal.
In the embodiment of the present invention, user terminal is mainly used in the method performing data for projection transmission.Wherein, the transmission of data for projection, when using the transmission the need of cable as partitioning standards, can comprise wire transmission (as used USB data line etc.) and wireless transmission (as used the mode such as WiFi or bluetooth).When with the need of when connecting as partitioning standards with data network, Internet Transmission can be comprised and non-network is transmitted.
As the optional embodiment of one, when the first transmitting element 402 uses network to carry out transmitting data to be projected, user terminal need connect with server, because each station server has unique IP address, therefore, user terminal, when sending connection request, except comprising the terminal device extra of this user terminal in this connection request, can also carry the IP address setting up the server that network is connected with this user terminal.
As the optional embodiment of another kind, when the first transmitting element 402 uses non-network to transmit data to be projected, then the connection request that the 3rd transmitting element 405 sends should carry the terminal device number of this user terminal.
In the embodiment of the present invention, when the first transmitting element 402 is when using Internet Transmission data to be projected, due to when sending connection request, during except the terminal device of this user terminal, also carry the IP address setting up the server that network is connected with this user terminal.Therefore, when setting up unit 406 and receiving the connection response that projector equipment response connection request sends, the data list of the IP address comprising terminal device number and set up the server that network is connected with this user terminal is set up.
As the optional embodiment of one, above-mentioned acquiring unit 401 can further include:
Extraction unit 4010, for obtaining data to be projected, and extracts terminal device number from data list.
Generation unit 4011, for generating encryption key according to terminal device number according to the cipher mode preset, and uses encryption key to treat data for projection to be encrypted, to obtain encrypting data for projection.
In Figure 5, describe in detail and obtain data to be projected at extraction unit 4010, and use the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset at generation unit 4011, and use encryption key to treat data for projection to be encrypted, before obtaining encryption data for projection, also need to set up the data list that unit 406 sets up a terminal device comprising user terminal number.And necessarily comprise the terminal device number of this user terminal in this data list, and according to the transmission mode of different data to be projected, the information comprised in this data list can be different.And after user terminal generates encryption key and projector equipment generating solution decryption key, can also corresponding encryption key and decruption key be added in this data list in this data list.Implement the embodiment of the present invention, generation unit 4011 can be treated data for projection according to user terminal unique terminal device number and be encrypted, and also according to set up the IP address of the server that network is connected and terminal device number combined with this user terminal, data for projection can be treated and be encrypted.Therefore, both add security in data transmission procedure to be projected, and add the foundation of encrypting in ciphering process simultaneously.
Refer to Fig. 6, Fig. 6 is the structural representation of a kind of projector equipment disclosed in the embodiment of the present invention, for performing the method for above-mentioned data for projection transmission.Projector equipment as shown in Figure 6 can comprise: the second receiving element 601, transmitting element 602, first receiving element 603 and generation unit 604, wherein,
Second receiving element 601, for receiving the connection request that user terminal sends.
In the embodiment of the present invention, connection request carries the terminal device number of user terminal.
In the embodiment of the present invention, terminal device number can include but not limited to mobile device international identity code (InternationalMobileEquipmentIdentity, IMEI).
In the embodiment of the present invention, the transmission mode of data for projection is not unique, the transmission of data for projection, when using the transmission the need of cable as partitioning standards, can comprise wire transmission (as used USB data line etc.) and wireless transmission (as used the mode such as WiFi or bluetooth).When with the need of when connecting as partitioning standards with data network, Internet Transmission can be comprised and non-network is transmitted.
As the optional embodiment of one, when user terminal uses network to carry out transmitting data to be projected, user terminal need connect with server, because each station server has unique IP address, therefore, user terminal, when sending connection request, except comprising the terminal device extra of this user terminal in this connection request, can also carry the IP address setting up the server that network is connected with this user terminal.
As the optional embodiment of another kind, when user terminal uses non-network to transmit data to be projected, then the connection request sent should carry the terminal device number of this user terminal.
Transmitting element 602, for sending the connection response of response connection request, sets up to make user terminal the data list comprising terminal device number.
In the embodiment of the present invention, when user terminal is when using Internet Transmission data to be projected, due to when sending connection request, during except the terminal device of this user terminal, also carry the IP address setting up the server that network is connected with this user terminal.Therefore, when user terminal receives the connection response that projector equipment response connection request sends, the data list of the IP address comprising terminal device number and set up the server that network is connected with this user terminal is set up.
First receiving element 603, for receiving the encryption data for projection that user terminal sends.
In the embodiment of the present invention, encryption data for projection is that user terminal uses encryption key to treat data for projection and be encrypted the data obtained, and encryption key is that user terminal uses the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset.
In the embodiment of the present invention, cipher mode can include but not limited to Message Digest Algorithm 5 (MessageDigestAlgorithm, MD5), Secure Hash Algorithm (SecureHashAlgorithm, and the cipher mode such as data encryption standards (DataEncryptionStandard, DES) SHA).
Particularly, after user terminal and projector equipment connect, then user terminal can go to obtain data to be projected, and is encrypted the data to be projected got.Wherein, should adopt in above-mentioned cipher mode when encryption one or more, and with the data list of the terminal device comprising user terminal number for according to generating encryption key.And use the encryption key generated to be encrypted these data to be projected.For example, when terminal device number comprises IMEI, then the encryption key generated should be relevant to IMEI, selecting as cipher mode, can be the one of arbitrary cipher mode, or the combination of multiple cipher mode.
Generation unit 604, for using the data list of the terminal device number comprising user terminal according to the manner of decryption generating solution decryption key preset, and decruption key is sent to user terminal, whether match to make user terminal detection encryption key and decruption key, if not, then user terminal stops sending data to projector equipment.
In figure 6, the first receiving element 603 first receives the encryption data for projection that user terminal sends; Generation unit 604 re-uses the data list of the terminal device number comprising user terminal according to the manner of decryption generating solution decryption key preset, and decruption key is sent to user terminal, whether match to make user terminal detection encryption key and decruption key, if not, then user terminal stops sending data to projector equipment.Implement the embodiment of the present invention, before user terminal sends data to be projected, the data list of the terminal device number comprising user terminal is first used to generate encryption key according to the cipher mode preset, and use encryption key to treat data for projection to be encrypted, obtain encrypting data for projection, and when the encryption key detecting that user terminal generates does not mate with the decruption key that projector equipment generates, stop sending data to projector equipment.Visible, implement the security that the embodiment of the present invention can improve data for projection transmitting procedure.
Concrete, the part or all of flow process in the embodiment of the method for the data for projection transmission that the user terminal introduced in the embodiment of the present invention can implement composition graphs 1 of the present invention, Fig. 2 or Fig. 3 introduces.
Module in all embodiments of the present invention or submodule, universal integrated circuit can be passed through, such as CPU (CentralProcessingUnit, central processing unit), or realized by ASIC (ApplicationSpecificIntegratedCircuit, special IC).
Step in embodiment of the present invention method can be carried out order according to actual needs and be adjusted, merges and delete.
Unit in embodiment of the present invention terminal can carry out merging, divide and deleting according to actual needs.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random access memory (RandomAccessMemory is called for short RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (12)
1. a method for data for projection transmission, is characterized in that, comprising:
User terminal obtains data to be projected, and use the data list of the terminal device number comprising described user terminal to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection;
Described user terminal sends described encryption data for projection to projector equipment, to make the decruption key of described projector equipment generation for deciphering described encryption data for projection;
Described user terminal receives the described decruption key that described projector equipment sends, and detects described encryption key and whether described decruption key matches, and if not, then stops to described projector equipment transmission data.
2. method according to claim 1, is characterized in that, described method also comprises:
If described user terminal detects described encryption key and described decruption key matches, then send idsplay order to described projector equipment, show the deciphering data for projection after by described encryption data for projection deciphering to make described projector equipment.
3. method according to claim 2, it is characterized in that, described user terminal obtains data to be projected, and use the data list of the terminal device number comprising described user terminal to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, before obtaining encryption data for projection, described method also comprises:
Described user terminal sends connection request to projector equipment, and described connection request carries the terminal device number of user terminal;
When described user terminal receive described projector equipment respond the connection response that described connection request sends time, set up the data list comprising described terminal device number.
4. method according to claim 3, it is characterized in that, described user terminal obtains data to be projected, and use the data list of the terminal device number comprising described user terminal to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection, comprising:
Described user terminal obtains data to be projected, and extracts described terminal device number from described data list;
Described user terminal generates encryption key according to described terminal device number according to the cipher mode preset, and uses described encryption key to be encrypted described data to be projected, obtains encrypting data for projection.
5. a method for data for projection transmission, is characterized in that, comprising:
Projector equipment receives the encryption data for projection that user terminal sends, described encryption data for projection is that described user terminal uses encryption key to treat data for projection and be encrypted the data obtained, and described encryption key is that described user terminal uses the data list of the terminal device number comprising described user terminal to generate encryption key according to the cipher mode preset;
Described projector equipment uses the data list of the terminal device number comprising described user terminal according to the manner of decryption generating solution decryption key preset, and described decruption key is sent to described user terminal, described encryption key is detected and whether described decruption key matches to make described user terminal, if not, then described user terminal stops sending data to described projector equipment.
6. method according to claim 5, is characterized in that, before described projector equipment receives the encryption data for projection of user terminal transmission, described method also comprises:
Described projector equipment receives the connection request that described user terminal sends, and described connection request carries the terminal device number of described user terminal:
Described projector equipment sends the connection response of the described connection request of response, sets up the data list comprising described terminal device number to make described user terminal.
7. a user terminal, is characterized in that, comprising:
Acquiring unit, for obtaining data to be projected, and use the data list of the terminal device number comprising user terminal to generate encryption key according to the cipher mode preset, and use described encryption key to be encrypted described data to be projected, obtain encrypting data for projection;
First transmitting element, for sending described encryption data for projection to projector equipment, to make the decruption key of described projector equipment generation for deciphering described encryption data for projection;
Transmit-Receive Unit, receives the described decruption key that described projector equipment sends, and detects described encryption key and whether described decruption key matches, and if not, then stops to described projector equipment transmission data.
8. user terminal according to claim 7, is characterized in that, described user terminal also comprises:
Second transmitting element, if for detecting described encryption key and described decruption key matches, then sends idsplay order to described projector equipment, shows the deciphering data for projection after by described encryption data for projection deciphering to make described projector equipment.
9. user terminal according to claim 8, is characterized in that, described user terminal also comprises:
3rd transmitting element, for sending connection request to projector equipment, described connection request carries the terminal device number of user terminal;
Set up unit, for when receiving described projector equipment and responding the connection response that described connection request sends, set up the data list comprising described terminal device number.
10. user terminal according to claim 9, is characterized in that, described acquiring unit comprises:
Extraction unit, for obtaining data to be projected, and extracts described terminal device number from described data list;
Generation unit, for generating encryption key according to described terminal device number according to the cipher mode preset, and using described encryption key to be encrypted described data to be projected, obtaining encrypting data for projection.
11. 1 kinds of projector equipments, is characterized in that, comprising:
First receiving element, for receiving the encryption data for projection that user terminal sends, described encryption data for projection is that described user terminal uses encryption key to treat data for projection and be encrypted the data obtained, and described encryption key is that described user terminal uses the data list of the terminal device number comprising described user terminal to generate encryption key according to the cipher mode preset;
Generation unit, for using the data list of the terminal device number comprising described user terminal according to the manner of decryption generating solution decryption key preset, and described decruption key is sent to described user terminal, described encryption key is detected and whether described decruption key matches to make described user terminal, if not, then described user terminal stops sending data to described projector equipment.
12. projector equipments according to claim 11, is characterized in that, described projector equipment also comprises:
Second receiving element, for receiving the connection request that described user terminal sends, described connection request carries the terminal device number of described user terminal:
Transmitting element, for sending the connection response responding described connection request, sets up to make described user terminal the data list comprising described terminal device number.
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| CN201510289864.4A CN105573693A (en) | 2015-05-29 | 2015-05-29 | Projection data transmission method and user terminal |
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Application publication date: 20160511 |