CN102064935A - Decryption display method and system and related equipment - Google Patents
Decryption display method and system and related equipment Download PDFInfo
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- CN102064935A CN102064935A CN201010533059.9A CN201010533059A CN102064935A CN 102064935 A CN102064935 A CN 102064935A CN 201010533059 A CN201010533059 A CN 201010533059A CN 102064935 A CN102064935 A CN 102064935A
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Abstract
The embodiment of the invention discloses a decryption display method and a decryption display system and related equipment, which are applied to the technical field of communication. In the decryption display method in the embodiment of the invention, an information sending part inserts insertion information into information to be encrypted, encrypts the information to be encrypted, and sends the information to an information receiving part, and/or encrypts the information to be encrypted and sends the encrypted information and the characteristic information of the information to be encrypted to the information receiving part, or only sends the encrypted information to the information receiving part; thus, the receiving part obtains a decryption result after performing decryption, and determines the correctness of the decryption by judging whether the decryption result meets the related strategy that the sending part inserts the insertion information into the information to be encrypted, and/or comparing the characteristics of the information to be encrypted with the decryption result, and/or judging whether the decryption result meets an agreed law. The correctness of a key is determined without the transmission of a decryption key and comparison of keys, so that potential safety hazards in the process of transmitting keys are eliminated and security of a system is improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of deciphering display packing, system and relevant device.
Background technology
Between the equipment in the communication system when carrying out message transmission, in order to protect the information in the transmission course, after information sender can be carried out cryptographic calculation to information transmitted by key, form enciphered message, and enciphered message and key are sent to the receiving party by wired or wireless network; The key that the receiving party can utilize this locality to preset is decrypted enciphered message, and shows decrypted result.
The receiving party can determine the correctness of decruption key in the above-mentioned decrypting process, particularly the key that receives is compared with the local key that presets, if consistent, confirm that then the local key that presets is correct, the decrypted result after the then local key that presets is deciphered enciphered message is also correct.
In the process that above-mentioned existing method is put into practice and studied, the present inventor finds: when information sender communicates with the recipient, can carry out the transmission of key, increase the possibility of key leakage, fail safe is relatively poor; And for the decrypted result that utilizes the false solution decryption key to show, key is bigger by the risk that reverse computing cracks.
Summary of the invention
The embodiment of the invention provides deciphering display packing, system and relevant device, the fail safe that improves system.
The embodiment of the invention provides a kind of deciphering display packing, comprising:
Receive enciphered message and the characteristic information of described enciphered message before encryption that information sender sends;
Utilize decruption key that described enciphered message is decrypted, obtain decrypted result;
Whether the feature of judging described decrypted result is consistent with described characteristic information, if consistent, then is decrypted result's demonstration.
The embodiment of the invention provides a kind of deciphering display packing, comprising:
Insertion information is inserted into information to be encrypted, described insertion information comprise in the following information any or a plurality of: the characteristic information of information to be encrypted, the identification information with specific rule, appointed information;
And the information to be encrypted of having inserted described insertion information encrypted, obtain enciphered message;
Described enciphered message is sent to the receiving party,, and show according to judged result so that described receiving party after described enciphered message is deciphered, judges whether decrypted result satisfies the strategy that presets;
The described strategy that presets comprise in the following information any or a plurality of: the feature of described decrypted result is consistent with the characteristic information of described decrypted result relevant position; The information of described decrypted result relevant position has described specific rule; Comprise described appointed information in the described decrypted result, described decrypted result relevant position and described characteristic information and/or identification information are in the position consistency of information to be encrypted.
The embodiment of the invention provides a kind of deciphering display packing, comprising:
Receive the enciphered message that information sender sends;
Utilize decruption key that described enciphered message is decrypted, obtain decrypted result;
Judge that whether described decrypted result satisfies the strategy that presets, if satisfy, then is decrypted result's demonstration;
The described strategy that presets comprise in the following information any or a plurality of: the feature of described decrypted result is consistent with the characteristic information of described decrypted result relevant position; The information of described decrypted result relevant position has specific rule, and described specific rule is described information sender before described enciphered message is encrypted, and is inserted into the rule that the identification information of information to be encrypted has; Comprise appointed information in the described decrypted result; Described decrypted result meets the rule that presets, and the described rule that presets is the rule of receiving party and described information sender agreement;
Described decrypted result relevant position and described information sender are inserted into the position consistency of the characteristic information and/or the identification information of information to be encrypted before described enciphered message is encrypted.
The embodiment of the invention provides a kind of communication equipment, comprising:
First information receiving element is used to receive enciphered message and the characteristic information of described enciphered message before encryption that information sender sends;
First decrypting device is used to utilize decruption key that the enciphered message that described first information receiving element receives is decrypted, and obtains decrypted result;
First judging unit is used to judge whether the feature of the decrypted result that described first decrypting device deciphering obtains is consistent with described characteristic information;
First display unit as a result is used for when the feature of the described first judgment unit judges decrypted result consistently with described characteristic information, then is decrypted result's demonstration.
The embodiment of the invention provides a kind of communication equipment, comprising:
Information is inserted the unit, be used for insertion information is inserted into information to be encrypted, this insertion information including but not limited in the following information any or a plurality of: the characteristic information of information to be encrypted, the identification information with specific rule, appointed information;
Ciphering unit is used for the information to be encrypted of having inserted described insertion information is encrypted, and obtains enciphered message;
Send display unit, be used for the enciphered message after the described ciphering unit encryption is sent to the receiving party, so that described receiving party after described enciphered message is deciphered, judges whether to satisfy the strategy that presets, and shows according to judged result;
The strategy that wherein presets comprise in the following information any or a plurality of: the feature of described decrypted result is consistent with the characteristic information of described decrypted result relevant position; The information of described decrypted result relevant position has described specific rule; Comprise described appointed information in the described decrypted result, described decrypted result relevant position and described characteristic information and/or identification information are in the position consistency of information to be encrypted.
The embodiment of the invention provides a kind of communication equipment, comprising:
Second information receiving unit is used to receive the enciphered message that information sender sends;
Second decrypting device is used to utilize decruption key that the enciphered message that described second information receiving unit receives is decrypted, and obtains decrypted result;
Second judging unit is used to judge whether the decrypted result that described second decrypting device obtains satisfies the strategy that presets; The described strategy that presets comprise in the following information any or a plurality of: the feature of described decrypted result is consistent with the characteristic information of described decrypted result relevant position; The information of described decrypted result relevant position has specific rule, and described specific rule is described information sender before described enciphered message is encrypted, and is inserted into the rule that the identification information of information to be encrypted has; Comprise appointed information in the described decrypted result; Described decrypted result relevant position and described information sender are inserted into the position consistency of the characteristic information and/or the identification information of information to be encrypted before described enciphered message is encrypted;
Second display unit as a result is used for satisfying the strategy that presets when the described second judgment unit judges decrypted result, then is decrypted result's demonstration.
The embodiment of the invention also provides a kind of communication equipment, comprising:
The 3rd information receiving unit is used to receive the enciphered message that information sender sends;
The 3rd decrypting device is used to utilize decruption key that the enciphered message that described the 3rd information receiving unit receives is decrypted, and obtains decrypted result;
The 3rd judging unit is used to judge whether the decrypted result that described the 3rd decrypting device deciphering obtains meets the rule that presets; The described rule that presets is the rule of receiving party and described information sender agreement;
The 3rd display unit as a result is used for meeting the rule that presets when described the 3rd judgment unit judges decrypted result, then is decrypted result's demonstration.
Deciphering display packing in the embodiment of the invention is to send to the receiving party information sender is inserted insertion information and encryption in information to be encrypted after, and/or with after the information encryption to be encrypted and the characteristic information of information to be encrypted send to the receiving party together, perhaps only send enciphered message to the receiving party; The recipient obtains decrypted result after being decrypted like this, and in information to be encrypted, insert the relevant strategy of insertion information with transmit leg by judging that decrypted result is whether satisfied, and/or utilization compares the feature of information to be encrypted and the feature of decrypted result, and/or judge whether decrypted result meets the rule of agreement, determine the correctness of deciphering; Need not be by the transmission decruption key, and carry out key to recently determining the correctness of key, thus eliminated the potential safety hazard at cipher key transmitting process, the fail safe that has improved system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of flow chart of deciphering display packing that the embodiment of the invention provides;
Fig. 2 is that the another kind that the embodiment of the invention provides is deciphered the flow chart of display packing;
Fig. 3 is that the another kind that the embodiment of the invention provides is deciphered the flow chart of display packing;
Fig. 4 is that the another kind that the embodiment of the invention provides is deciphered the flow chart of display packing;
Fig. 5 is the structural representation of a kind of communication equipment of providing of the embodiment of the invention;
Fig. 6 is the structural representation of the another kind of communication equipment that provides of the embodiment of the invention;
Fig. 7 is the structural representation of the another kind of communication equipment that provides of the embodiment of the invention;
Fig. 8 is the structural representation of the another kind of communication equipment that provides of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
A kind of deciphering display packing that the embodiment of the invention provides is the deciphering display packing that the receiving party carries out, and flow chart comprises as shown in Figure 1:
101, receive enciphered message and the characteristic information of enciphered message before encryption that information sender sends.
The characteristic information here is meant that enciphered message is the attributive character that information to be encrypted presents before encryption, can including but not limited in the following information any one or a plurality of: the message length feature, the span feature of information, the information such as coded combination feature that clear data adopts.Characteristic information can also be an out of Memory, and its particular content can not cause limitation of the present invention.
102, utilize decruption key that enciphered message is decrypted, obtain decrypted result.
Here decruption key can be preset at the receiving party, also can be the key etc. that receives user's input.
103, judge whether the feature of decrypted result is consistent with characteristic information, if consistent, illustrate that deciphering is correct, then execution in step 104, if inconsistent, decryption error, then execution in step 105;
When whether the feature of judging decrypted result and characteristic information be consistent, can decide according to receiving concrete characteristic information, for example:, need then to judge whether the length of decrypted result is consistent with the message length feature if comprise the length characteristic of information in the characteristic information; If comprise the span feature of information in the characteristic information, judge whether the span of decrypted result is consistent with the span feature; If comprise the length characteristic of information and the span feature of information in the characteristic information, whether the length that then needs to judge respectively decrypted result and span be consistent with the length characteristic and the span feature that comprise in the characteristic information.
If comprise the coded combination feature that clear data adopts in the characteristic information, here coded combination can be conventional coded system, it also can be self-defining coded system, for example to the coding of alphabetical A, B, C, adopting conventional coded system is ASCII (ASCII), promptly represent a letter, A=01000001 with a byte of 8; Adopt a kind of self-defining coded system in the present embodiment, as A=0, B=11, C=101, transmit leg can be encoded according to this self-defining coded system, and this coded combination feature is sent to the recipient; The recipient if the coded system in the decrypted result is self-defining these several coded combinations, is 010111 o'clock such as decrypted result after obtaining decrypted result, the coded combination of its expression ACB, and this moment, decruption key was correct; If be 01000001 in the decrypted result, its coded combination mode does not meet the coded system of information sender to data, then represents the decruption key mistake.
104, be decrypted result's demonstration;
105, the information of feedback solution decryption key mistake.
As seen, the characteristic information and the enciphered message of information together sent to the receiving party before information sender will be encrypted in the present embodiment; The receiving party utilizes decruption key that enciphered message is decrypted after receiving, and judges whether the feature of decrypted result is consistent with the characteristic information that receives, if consistent, then shows decrypted result, otherwise shows decryption error.The feature of information compared with the feature of deciphering back information before utilization will be encrypted like this, determine the correctness of deciphering, need not be by the transmission decruption key, and carry out key to recently determining the correctness of key, thereby eliminated potential safety hazard, improved the fail safe of system at cipher key transmitting process.
Be appreciated that, in another specific embodiment, before the information that shows decrypted result or feedback solution decryption key mistake, to judge also whether decrypted result satisfies the strategy that presets, if satisfy, and when the feature of judging decrypted result in the step 103 is consistent with characteristic information, ability execution in step 104; If do not satisfy, and/or judge in the step 103 when the feature of decrypted result and characteristic information are inconsistent, can execution in step 105.By after twice the judgement, if determine that the feature of decrypted result is consistent with the characteristic information of information to be encrypted, and under the situation of the satisfied strategy that presets of decrypted result, illustrate that just decruption key is correct, and show the key result like this.The safety issue that shows decrypted result in the time of can avoiding the decruption key mistake and cause has strengthened the fail safe of system.
Here the strategy that presets include but not limited in the following information any or a plurality of: decrypted result satisfies the rule preset, comprise appointed information in the decrypted result, wherein: rule that presets and appointed information are respectively the rule and the information of information sender and receiving party's agreement.Such as: the rule that presets can be the coded combination mode of agreement etc.; And appointed information can be the name of certain company, or someone name etc.
The another kind deciphering display packing that the embodiment of the invention provides, flow chart comprises as shown in Figure 2:
201, information sender is inserted into information to be encrypted with insertion information, this insertion information can including but not limited in the following information any or a plurality of: the characteristic information of information to be encrypted, the identification information with specific rule, appointed information etc.;
Here the receiving party can be in the foremost of information to be encrypted, or backmost, or insertion information is inserted in optional position such as centre.
The identification information that comprises in the insertion information has specific rule, such as: identification information can be value and lowest byte reservation of all bytes of information to be encrypted etc., for example, the value of all bytes of information to be encrypted and be (... 0000111100110100), a then minimum byte is identification information 00110100; The characteristic information of the information to be encrypted that comprises in the insertion information is meant the attributive character that information to be encrypted is presented before encryption, as the message length feature, and the span of information, or the information such as coded combination feature of feature clear data employing; The appointed information that comprises in the insertion information is meant the information of receiving party and information sender agreement, as certain CompanyName, and someone's name etc.
202, to inserted should insertion information information to be encrypted encrypt, obtain enciphered message;
203, enciphered message is sent to the receiving party, so that the receiving party after enciphered message is deciphered, judges whether to satisfy the strategy that presets, and shows according to judged result.
The strategy that wherein presets including but not limited to following information any or a plurality of: the feature of decrypted result is consistent with the characteristic information of decrypted result relevant position, and the information of decrypted result relevant position has specific rule, comprises appointed information in the decrypted result.Here said decrypted result relevant position is consistent with characteristic information and/or identification information in the position of information to be encrypted.
For example: information sender is inserted identification information in last N byte of information to be encrypted in step 201, and then the receiving party need judge whether the information of last N byte of decrypted result has specific rule.If information sender is inserted characteristic information in the most preceding M byte of information to be encrypted in the step 201, whether then the receiving party judges whether the feature of decrypted result is consistent with the characteristic information of the most preceding M of a decrypted result byte, consistent with the length characteristic of the most preceding M of a decrypted result byte as the length of decrypted result.If information sender is inserted into information to be encrypted with appointed information in the step 201, then the receiving party judges whether decrypted result includes this appointed information.
When the receiving party shows according to judged result,, then show decrypted result,, then show the information of decruption key mistake etc. if do not satisfy the strategy that presets if satisfy the strategy that presets.
And for the receiving party, the deciphering display packing of enforcement, flow chart comprises as shown in Figure 3:
204, receive the enciphered message that information sender sends;
205, utilize decruption key that enciphered message is decrypted, obtain decrypted result;
Here decruption key can be preset at locally, also can receive the user input.
206, judge that whether decrypted result satisfies the strategy that presets, if satisfy, illustrates that then decruption key is correct, execution in step 207; If do not satisfy, the decruption key mistake then be described, execution in step 208;
Here the strategy that presets including but not limited in the following information any or a plurality of: the feature of decrypted result is consistent with the characteristic information of decrypted result relevant position; The information of decrypted result relevant position has specific rule; Comprise appointed information in the decrypted result; Decrypted result meets the rule that presets, and the rule that presets here is the rule of receiving party and information sender agreement, such as the rules such as coded combination mode of agreement.Wherein: decrypted result relevant position and information sender are inserted into the position consistency of the characteristic information and/or the identification information of information to be encrypted before enciphered message is encrypted.
Such as: the receiving party can judge whether the length of decrypted result is consistent with the length characteristic of the most preceding P of a decrypted result byte, and information sender is exactly to insert the length characteristic of feature to be encrypted in the most preceding P of an information to be encrypted byte.
The receiving party can also judge whether the information of the last Q of a decrypted result byte has specific rule, here specific rule is that information sender is before encrypting enciphered message, insert the rule that the identification information of the last Q of an information to be encrypted byte has, such as, specific rule can be value and lowest byte reservation of all bytes of decrypted result etc., for example, the value of all bytes of decrypted result and be (... 0000111100110100), a then minimum byte is insertion information 00110100.Here the particular content of specific rule can not cause restriction to the present invention, only consistent the getting final product of rule of the needs and the identification information of information sender insertion.
The receiving party works as can also judge the name that whether comprises appointed information such as certain company in the decrypted result, or someone name etc.
207, be decrypted result's demonstration;
208, the information of feedback solution decryption key mistake.
As seen, in another specific embodiment, information sender is inserted into information to be encrypted with insertion information, and sends to the receiving party after encrypting; When the receiving party receives enciphered message, after being decrypted, judge that whether decrypted result satisfies the strategy that presets, if satisfy then show decrypted result, if do not satisfy then feedback solution decryption key mistake, the strategy that wherein presets is to insert the relevant content of information insertion information to be encrypted with transmit leg.In information to be encrypted, insert the relevant strategy of insertion information by judging whether deciphering back information satisfies with transmit leg like this, determine the correctness of deciphering, need not be by the transmission decruption key, and the correctness of key is determined in the comparison of carrying out key, thereby eliminated potential safety hazard, improved the fail safe of system at cipher key transmitting process.
In a specific embodiment, information sender can also be with the characteristic information such as the length characteristic of information to be encrypted, or coded combination feature etc. sends to the receiving party, after the receiving party deciphers enciphered message like this, whether the feature that can also judge decrypted result is consistent with the characteristic information of information to be encrypted, if consistent, and in step 206, judge when decrypted result satisfies preset tactful, decrypted result just shown; If inconsistent and/or in step 206, judge when decrypted result does not satisfy preset tactful, the information of feedback solution decryption key mistake then.The concrete judgement that judges whether step 103 among consistent process such as the embodiment one does not repeat them here.Like this by the receiving party through twice judgement after, could determine the correctness of decruption key, and show the key result, show decrypted result in the time of can avoiding the decruption key mistake and the safety issue that causes, strengthened the fail safe of system.
The another kind deciphering display packing that the embodiment of the invention provides, flow chart comprises as shown in Figure 4:
301, information sender sends enciphered message to the receiving party.
302, after the receiving party receives enciphered message, utilize decruption key that enciphered message is decrypted, obtain decrypted result.
Here decruption key can be preset at the receiving party, also can be the key etc. that receives user's input.
303, the receiving party judges whether decrypted result meets the rule that presets, if meet, illustrates that decruption key is correct, and then execution in step 304, if do not meet, the decruption key mistake are described then, and then execution in step 305;
Here, the rule that presets is the rule of information sender and receiving party's agreement.
Such as, the rule of information sender and receiving party's agreement is that preceding 128 bit data of information to be encrypted adopted a kind of self-defining coded system before enciphered message was encrypted, as A=0, B=11, C=101, information to be encrypted is encoded according to this self-defining coded system; The receiving party is after obtaining decrypted result, if the coded system of preceding 128 bit data is self-defining these several coded combinations in the decrypted result, part decrypted result such as preceding 128 bit data is 010111 o'clock, the coded combination of its expression ACB, the rule that meets agreement, this moment, decruption key was correct; If the part decrypted result of preceding 128 bit data is 01000001, its coded combination mode does not meet the rule of agreement, then represents the decruption key mistake.
304, be decrypted result's demonstration;
305, the information of feedback solution decryption key mistake.
As seen, information sender sends to the receiving party with enciphered message in the present embodiment; The receiving party utilizes decruption key that enciphered message is decrypted after receiving, and judges whether decrypted result meets the agreement rule that presets, if meet, then shows decrypted result, otherwise feedback solution decryption key mistake.Like this by judging whether decrypted result meets the rule of agreement, determine the correctness of deciphering, need not pass through the transmission decruption key, and carry out key recently determining the correctness of key, thereby eliminated potential safety hazard, improved the fail safe of system at cipher key transmitting process.
A kind of communication equipment that the embodiment of the invention provides, structural representation comprises as shown in Figure 5:
First information receiving element 10 is used to receive enciphered message and the characteristic information of enciphered message before encryption that information sender sends;
First decrypting device 11 is used to utilize decruption key that the enciphered message that first information receiving element 10 receives is decrypted, and obtains decrypted result;
First judging unit 12 is used to judge whether the feature of the decrypted result that 11 deciphering of first decrypting device obtain is consistent with characteristic information;
Equipment in the present embodiment also comprises:
The first error feedback unit 14 judges that the feature and the characteristic information of decrypted result are inconsistent if be used for first judging unit 12, then the information of feedback solution decryption key mistake.
In the communication equipment of present embodiment: after first information receiving element 10 receives enciphered message encryption preceding characteristic information and enciphered message, first decrypting device 11 utilizes decruption key that enciphered message is decrypted, and judge by first judging unit 12 whether the feature of decrypted result is consistent with the characteristic information that receives, if it is consistent, and tactful judging unit 15 judges that decrypted results satisfy the strategy that presets, then first as a result display unit 13 show decrypted results; If tactful judging unit 15 judges that decrypted result does not satisfy the strategy that presets, and/or the feature of first judging unit, 12 judgement decrypted results is inconsistent with the characteristic information that receives, then the information of the first error feedback unit, 14 feedback solution decryption key mistakes.Utilize like this with enciphered message before encryption feature and the feature of decrypted result compare, and/or judge whether decrypted result satisfies the strategy that presets, determine the correctness of deciphering, need not be by the transmission decruption key, and the correctness of key is determined in the comparison of carrying out key, thereby eliminated potential safety hazard, improved the fail safe of system at cipher key transmitting process.
A kind of communication equipment that the embodiment of the invention provides, structural representation comprises as shown in Figure 6:
Information is inserted unit 20, be used for insertion information is inserted into information to be encrypted, this insertion information including but not limited in the following information any or a plurality of: the characteristic information of information to be encrypted, the identification information with specific rule, appointed information;
Ciphering unit 21 is used for the information to be encrypted of having inserted information is encrypted, and obtains enciphered message;
Send display unit 22, be used for the enciphered message after ciphering unit 21 encryptions is sent to the receiving party, so that the receiving party after enciphered message is deciphered, judges whether to satisfy the strategy that presets, and shows according to judged result;
The strategy that wherein presets comprise in the following information any or a plurality of: the feature of decrypted result is consistent with the characteristic information of decrypted result relevant position; The information of decrypted result relevant position has specific rule; Comprise appointed information in the decrypted result, decrypted result relevant position and characteristic information and/or identification information are in the position consistency of information to be encrypted.
A kind of communication equipment that the embodiment of the invention provides, structural representation comprises as shown in Figure 7:
Second information receiving unit 30 is used to receive the enciphered message that information sender sends;
Second judging unit 32 is used to judge whether the decrypted result that 31 deciphering of second decrypting device obtain satisfies the strategy that presets; The strategy that wherein presets including but not limited in the following information any or a plurality of: the feature of decrypted result is consistent with the characteristic information of decrypted result relevant position; The information of decrypted result relevant position has specific rule, and specific rule is an information sender before enciphered message is encrypted, and is inserted into the rule that the identification information of information to be encrypted has; Comprise appointed information in the decrypted result; Here decrypted result relevant position and information sender are inserted into the position consistency of the characteristic information and/or the identification information of information to be encrypted before enciphered message is encrypted;
Equipment in the present embodiment also comprises:
The second error feedback unit 34 is used for judging decrypted result when second judging unit 32 and does not satisfy the strategy that presets, the then information of feedback solution decryption key mistake.
In the present embodiment: 30 receiving parties receive enciphered message when second information receiving unit, after second decrypting device 31 is decrypted; Second judging unit 32 judges whether decrypted result satisfies the strategy that presets, strategy that wherein presets and information sender are before encrypting enciphered message, it is relevant to insert information insertion information to be encrypted, if satisfy, and feature judging unit 35 judges when the feature of decrypted results is consistent with the characteristic information of information to be encrypted, then the second display unit 33 demonstration decrypted results as a result; If do not satisfy, and/or feature judging unit 35 judges when the characteristic information of the feature of decrypted results and information to be encrypted is inconsistent, then the second error feedback unit, 34 feedback solution decryption key mistakes.Like this by judging whether deciphering back information satisfies transmit leg and insert the relevant strategy of insertion information in information to be encrypted, and/or the characteristic information of the feature of judging decrypted result and the information to be encrypted consistent correctness of determining deciphering whether, need not be by the transmission decruption key, and carry out the correctness that key compares to determine key, thereby eliminated potential safety hazard, improved the fail safe of system at cipher key transmitting process.
A kind of communication equipment that the embodiment of the invention provides, structural representation comprises as shown in Figure 8:
The 3rd information receiving unit 40 is used to receive the enciphered message that information sender sends;
The 3rd decrypting device 41 is used to utilize decruption key that the enciphered message that the 3rd information receiving unit 40 receives is decrypted, and obtains decrypted result;
The 3rd judging unit 42 is used to judge whether the decrypted result that 41 deciphering of the 3rd decrypting device obtain meets the rule that presets; This rule that presets is the rule of receiving party and information sender agreement;
The 3rd display unit 43 as a result is used for judging that when the 3rd judging unit 42 decrypted results meet the rule that presets, and then is decrypted result's demonstration.
If be appreciated that the 3rd judging unit 42 judges that decrypted result does not meet the rule that presets in the present embodiment, then this equipment can be by the information of the 3rd error feedback unit 44 feedback solution decryption key mistakes.
In the communication equipment of present embodiment: after the 3rd information receiving unit 40 receives enciphered message, the 3rd decrypting device 41 utilizes decruption key that enciphered message is decrypted, and judge by the 3rd judging unit 42 whether decrypted result meets the rule that presets, if meet, then the 3rd as a result display unit 43 show decrypted results, otherwise by the information of the 3rd error feedback unit 44 feedback solution decryption key mistakes.Like this by judging whether decrypted result meets the rule of agreement, come to determine the correctness of deciphering, need not be by the transmission decruption key, and the correctness of key is determined in the comparison of carrying out key, thereby eliminated potential safety hazard, improved the fail safe of system at cipher key transmitting process.
The embodiment of the invention also provides a kind of deciphering display system, comprises first transmitting apparatus and first receiving equipment, and wherein: first transmitting apparatus is used for that the characteristic information before encryption sends to first receiving equipment with enciphered message and enciphered message; And first receiving equipment is a communication equipment as shown in Figure 5.
First transmitting apparatus among the native system embodiment and first receiving equipment can be decrypted display packing by following step:
A: first transmitting apparatus is treated enciphered message and is encrypted.
Suppose that information to be encrypted is by element sequence S
0, S
1... S
N-1The element set VS that forms
T(T=0,1 ... n-1), wherein, S
TRepresentative set VS
TIn certain element, n is the natural number between 1 to 127; First transmitting apparatus utilizes the arbitrary encryption key K1 among the encryption key set A to treat enciphered message and encrypts, and the enciphered message that obtains constitutes a ciphertext part SPACE V
f, f is the element in the ciphertext part.Wherein encryption key set A is made up of a series of encryption key K1.
B: with the V of enciphered message formation
fWith information VS to be encrypted
TCharacteristic information send to first receiving equipment; Characteristic information is that the span feature of information is 0＜=S in the present embodiment
TSo＜=126 VS
T=[0,126], and the characteristic informations such as element number T of information to be encrypted.
C: first receiving equipment receives the information that first transmitting apparatus sends, and enciphered message is decrypted.
First receiving equipment utilizes the arbitrary decruption key K2 in the decruption key set B, to the ciphertext part SPACE V of enciphered message
fIn element be decrypted, the decrypted result that obtains after the deciphering is that element sequence is S '
0, S '
1... S '
M-1The element set of forming is VS '
H, wherein, S
HRepresentative set VS
HIn certain element.Above-mentioned T, H, m, n are integer, m 〉=1, n 〉=1.Here the decruption key set B is made up of a series of decruption key K2.
D: judge decrypted result VS '
HFeature and information VS to be encrypted
TCharacteristic information whether consistent, if consistent, execution in step E then, if inconsistent, execution in step F then.
Work as VS ' in the present embodiment
HElement number H=T, and VS '
HWhen the span of middle element is [0,126], judge that decrypted result is correct, otherwise, the decrypted result mistake.
E: decrypted result is shown.
F: the information of feedback solution decryption key mistake.
The element S that order uses wrong decruption key K2 to obtain '
HFall into VS
TProbability be P0, the probability False Rate that allows suitable misjudgment decrypted result is Py, the element sequence S ' that then uses the decruption key K2 of arbitrary mistake to obtain
0, S '
1..., S '
M-1Fall into VS
TProbability P be P=P
0* P
1... * P
M-1, P＜=Py wherein.
Suppose the decrypted result S ' that obtains by above-mentioned steps
HSpan [0,255], i.e. 0≤S '
H≤ 255, if S '
HValue be evenly to distribute S '
H∈ VS
TProbability P
H=0.5, when m=50, False Rate P=P
0* P
1... * P
M-1≈ 0.0000000000000001, and in the ordinary course of things, the value of element number m is far longer than 50, and then False Rate can be littler.
The embodiment of the invention also provides a kind of deciphering display system, comprise: second transmitting apparatus communication equipment as shown in Figure 6, with second receiving equipment communication equipment as shown in Figure 7, and the deciphering display packing of second transmitting apparatus and the execution of second receiving equipment is respectively shown in Fig. 2 and 3.
The embodiment of the invention also provides a kind of deciphering display system, comprising: the 3rd transmitting apparatus and the 3rd receiving equipment, and wherein: the 3rd transmitting apparatus is used for enciphered message is sent to the 3rd receiving equipment; The 3rd receiving equipment communication equipment as shown in Figure 8, and the deciphering display packing that the 3rd receiving equipment is carried out is as shown in Figure 4.
As seen, deciphering display packing in the embodiment of the invention is to send to the receiving party information sender is inserted insertion information and encryption in information to be encrypted after, and/or with after the information encryption to be encrypted and the characteristic information of information to be encrypted send to the receiving party together, perhaps only send enciphered message to the receiving party; The recipient obtains decrypted result after being decrypted like this, and in information to be encrypted, insert the relevant strategy of insertion information with transmit leg by judging that decrypted result is whether satisfied, and/or utilization compares the feature of information to be encrypted and the feature of decrypted result, and/or judge whether decrypted result meets the rule of agreement, determine the correctness of deciphering; Need not be by the transmission decruption key, and carry out key to recently determining the correctness of key, thus eliminated the potential safety hazard at cipher key transmitting process, the fail safe that has improved system.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: read-only memory (ROM), random-access memory (ram), disk or CD etc.
More than to deciphering display packing, system and relevant device that the embodiment of the invention provided, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (20)
1. a deciphering display packing is characterized in that, comprising:
Receive enciphered message and the characteristic information of described enciphered message before encryption that information sender sends;
Utilize decruption key that described enciphered message is decrypted, obtain decrypted result;
Whether the feature of judging described decrypted result is consistent with described characteristic information, if consistent, then is decrypted result's demonstration.
2. the method for claim 1 is characterized in that, described characteristic information comprise in the following information any or a plurality of: message length feature, the coded combination feature that the span feature of information, clear data adopt;
Whether the then described feature of judging described decrypted result and described characteristic information be consistent specifically comprises:
Whether the length of judging described decrypted result is consistent with described message length feature, and/or whether the span of judging described decrypted result is consistent with described span feature, and/or judges whether the coded combination of described decrypted result is consistent with the coded combination feature of described clear data employing.
3. method as claimed in claim 1 or 2 is characterized in that, also comprises: if the feature of described decrypted result and described characteristic information are inconsistent, and the information of feedback solution decryption key mistake then.
4. the method for claim 1, it is characterized in that this method also comprises: judge whether described decrypted result satisfies the strategy that presets, if satisfy, and the feature of judging described decrypted result is consistent with described characteristic information, then is decrypted result's demonstration;
The described strategy that presets comprises one or more in the following information: decrypted result satisfies the rule that presets, comprise appointed information in the decrypted result, wherein said rule that presets and appointed information are respectively the rule and the information of described information sender and receiving party's agreement.
5. a deciphering display packing is characterized in that, comprising:
Insertion information is inserted into information to be encrypted, described insertion information comprise in the following information any or a plurality of: the characteristic information of information to be encrypted, the identification information with specific rule, appointed information;
And the information to be encrypted of having inserted described insertion information encrypted, obtain enciphered message;
Described enciphered message is sent to the receiving party,, and show according to judged result so that described receiving party after described enciphered message is deciphered, judges whether decrypted result satisfies the strategy that presets;
The described strategy that presets comprise in the following information any or a plurality of: the feature of described decrypted result is consistent with the characteristic information of described decrypted result relevant position; The information of described decrypted result relevant position has described specific rule; Comprise described appointed information in the described decrypted result, described decrypted result relevant position and described characteristic information and/or identification information are in the position consistency of information to be encrypted.
6. method as claimed in claim 5, it is characterized in that, also comprise: the characteristic information of described information to be encrypted is sent to described receiving party, so that after described receiving party deciphers described enciphered message, whether the feature of judging decrypted result is consistent with the characteristic information of described information to be encrypted, and shows according to judged result.
7. a deciphering display packing is characterized in that, comprising:
Receive the enciphered message that information sender sends;
Utilize decruption key that described enciphered message is decrypted, obtain decrypted result;
Judge that whether described decrypted result satisfies the strategy that presets, if satisfy, then is decrypted result's demonstration;
The described strategy that presets comprise in the following information any or a plurality of: the feature of described decrypted result is consistent with the characteristic information of described decrypted result relevant position; The information of described decrypted result relevant position has specific rule, and described specific rule is described information sender before described enciphered message is encrypted, and is inserted into the rule that the identification information of information to be encrypted has; Comprise appointed information in the described decrypted result; Described decrypted result meets the rule that presets, and the described rule that presets is the rule of receiving party and described information sender agreement;
Described decrypted result relevant position and described information sender are inserted into the position consistency of the characteristic information and/or the identification information of information to be encrypted before described enciphered message is encrypted.
8. method as claimed in claim 7 is characterized in that, also comprises: if described decrypted result does not satisfy the strategy that presets, the then information of feedback solution decryption key mistake.
9. method as claimed in claim 7, it is characterized in that, also comprise: the characteristic information that receives described information to be encrypted, whether the feature of judging described decrypted result is consistent with the characteristic information of described information to be encrypted, if it is consistent, and judge that described decrypted result satisfies the strategy that presets, and then shows described decrypted result.
10. a communication equipment is characterized in that, comprising:
First information receiving element is used to receive enciphered message and the characteristic information of described enciphered message before encryption that information sender sends;
First decrypting device is used to utilize decruption key that the enciphered message that described first information receiving element receives is decrypted, and obtains decrypted result;
First judging unit is used to judge whether the feature of the decrypted result that described first decrypting device deciphering obtains is consistent with described characteristic information;
First display unit as a result is used for when the feature of the described first judgment unit judges decrypted result consistently with described characteristic information, then is decrypted result's demonstration.
11. equipment as claimed in claim 10 is characterized in that, also comprises:
The first error feedback unit, if it is inconsistent to be used for the feature and the described characteristic information of the described first judgment unit judges decrypted result, the information of feedback solution decryption key mistake then.
12. equipment as claimed in claim 10 is characterized in that, also comprises:
The strategy judging unit is used to judge whether described decrypted result satisfies the strategy that presets;
Then described first display unit as a result, specifically be used for satisfying the strategy that presets when the described decrypted result of described tactful judgment unit judges, and the feature of the described decrypted result of described first judgment unit judges is consistent with described characteristic information, then is decrypted result's demonstration;
The described strategy that presets comprises one or more in the following information: decrypted result satisfies the rule that presets, comprise appointed information in the decrypted result, wherein said rule that presets and appointed information are respectively the rule and the information of described information sender and receiving party's agreement.
13. a communication equipment is characterized in that, comprising:
Information is inserted the unit, be used for insertion information is inserted into information to be encrypted, this insertion information including but not limited in the following information any or a plurality of: the characteristic information of information to be encrypted, the identification information with specific rule, appointed information;
Ciphering unit is used for the information to be encrypted of having inserted described insertion information is encrypted, and obtains enciphered message;
Send display unit, be used for the enciphered message after the described ciphering unit encryption is sent to the receiving party, so that described receiving party after described enciphered message is deciphered, judges whether to satisfy the strategy that presets, and shows according to judged result;
The strategy that wherein presets comprise in the following information any or a plurality of: the feature of described decrypted result is consistent with the characteristic information of described decrypted result relevant position; The information of described decrypted result relevant position has described specific rule; Comprise described appointed information in the described decrypted result, described decrypted result relevant position and described characteristic information and/or identification information are in the position consistency of information to be encrypted.
14. a communication equipment is characterized in that, comprising:
Second information receiving unit is used to receive the enciphered message that information sender sends;
Second decrypting device is used to utilize decruption key that the enciphered message that described second information receiving unit receives is decrypted, and obtains decrypted result;
Second judging unit is used to judge whether the decrypted result that described second decrypting device obtains satisfies the strategy that presets; The described strategy that presets comprise in the following information any or a plurality of: the feature of described decrypted result is consistent with the characteristic information of described decrypted result relevant position; The information of described decrypted result relevant position has specific rule, and described specific rule is described information sender before described enciphered message is encrypted, and is inserted into the rule that the identification information of information to be encrypted has; Comprise appointed information in the described decrypted result;
Described decrypted result relevant position and described information sender are inserted into the position consistency of the characteristic information and/or the identification information of information to be encrypted before described enciphered message is encrypted;
Second display unit as a result is used for satisfying the strategy that presets when the described second judgment unit judges decrypted result, then is decrypted result's demonstration.
15. equipment as claimed in claim 14 is characterized in that, also comprises:
The second error feedback unit is used for not satisfying the strategy that presets, the then information of feedback solution decryption key mistake when the described second judgment unit judges decrypted result.
16. equipment as claimed in claim 14 is characterized in that, also comprises: the feature judging unit is used for judging when the characteristic information that receives described information to be encrypted whether the feature of described decrypted result is consistent with the characteristic information of described information to be encrypted;
Described second display unit as a result, the feature that specifically is used for when described feature judgment unit judges decrypted result is consistent with the characteristic information of described information to be encrypted, and the described decrypted result of described second judgment unit judges satisfies the strategy that presets, and then shows described decrypted result.
17. a communication equipment is characterized in that, comprising:
The 3rd information receiving unit is used to receive the enciphered message that information sender sends;
The 3rd decrypting device is used to utilize decruption key that the enciphered message that described the 3rd information receiving unit receives is decrypted, and obtains decrypted result;
The 3rd judging unit is used to judge whether the decrypted result that described the 3rd decrypting device deciphering obtains meets the rule that presets; The described rule that presets is the rule of receiving party and described information sender agreement;
The 3rd display unit as a result is used for meeting the rule that presets when described the 3rd judgment unit judges decrypted result, then is decrypted result's demonstration.
18. a deciphering display system is characterized in that, comprising: first transmitting apparatus and first receiving equipment; Wherein:
Described first transmitting apparatus is used for that the characteristic information before encryption sends to first receiving equipment with enciphered message and described enciphered message;
Each described communication equipment of described first receiving equipment such as claim 10 to 12.
19. a deciphering display system is characterized in that, comprising: second transmitting apparatus and second receiving equipment; Wherein said second transmitting apparatus is the described communication equipment of claim 13 as described; Each described communication equipment of described second receiving equipment such as claim 14 to 16.
20. a deciphering display system is characterized in that, comprising: the 3rd transmitting apparatus and the 3rd receiving equipment; Wherein:
Described the 3rd transmitting apparatus is used for enciphered message is sent to the 3rd receiving equipment;
Described the 3rd receiving equipment communication equipment as claimed in claim 17.
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| CN102064935B (en) | 2012-08-22 |
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