CN105282266A - IPV6 address generating and analyzing methods and systems - Google Patents
IPV6 address generating and analyzing methods and systems Download PDFInfo
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- CN105282266A CN105282266A CN201510373855.3A CN201510373855A CN105282266A CN 105282266 A CN105282266 A CN 105282266A CN 201510373855 A CN201510373855 A CN 201510373855A CN 105282266 A CN105282266 A CN 105282266A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/30—Managing network names, e.g. use of aliases or nicknames
- H04L61/3015—Name registration, generation or assignment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
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Abstract
The invention provides an IPV6 address generating and analyzing methods and systems. The IPV6 address generating method comprises the steps of: obtaining a user network identity identifier of a first preset length and obtaining current time information of a second preset length; connecting the user network identity identifier, select bits of a third preset length, reserved bits of a fourth preset length and the current time information in sequence so as to generate data of 64 bits; according to a pre-selected first encryption algorithm and first secret key, carrying out encryption on the generated data so as to generate an interface identifier; and merging an address prefix with the generated interface identifier so as to generate an IPV6 address. By adopting the above method, the address generation speed is high, the configuration is simple, the method is suitable for tracing of users in a network, and network management and control are facilitated.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to the generation of a kind of IPv6 address, analytic method and device.
Background technology
Along with traditional Internet Protocol Version 4 (InternetProtocolVersion4, be called for short IPv4) address space can not meet the demand of the development of the Internet again, everybody thinks and is necessary start design and test a kind of new agreement to take over IPv4.Therefore, the Internet protocol IPv6 (InternetProtocolVersion6 is called for short IPv6) of next version of 128 bit address space arises at the historic moment.
IPv6 agreement is made up of address prefix (first 64) and interface IP address (latter 64), and in 128 bit address, the interface IP address of latter 64 has huge subnet address space.This feature of IPv6 agreement brings two impacts: on the one hand, for Internet protocol (InternetProtocol in subnet, be called for short IP) source of dividing into groups and review and add difficulty, need the method for more fine granulation to determine and verify the source-information divided into groups.On the other hand, for the embedding of other identification informations provides space.
Given this, how to generate IPv6 address and become the current technical issues that need to address to realize reviewing of user in network.
Summary of the invention
For defect of the prior art, the invention provides the generation of a kind of IPv6 address, analytic method and device, user network identify label and temporal information is embedded in 64 interface IP addresses after IPv6, configuration is simple, address formation speed is fast, be applicable to reviewing of user in network, be beneficial to and carry out network management and control.
First aspect, the invention provides a kind of IPv6 address generating method, comprising:
Obtain the user network identify label of the first preset length, and obtain the current time information of the second preset length;
The selection position of described user network identify label, the 3rd default preset length, the reserved place of the 4th default preset length are connected with current time information, successively to generate the data of 64 bits;
According to the first cryptographic algorithm selected in advance and the first key, generated data are encrypted, to generate interface identifier;
The interface identifier of address prefix and generation is merged, to generate IPv6 address.
Alternatively, described first preset length is 40 bits, and described second preset length is 22 bits, and described 3rd preset length is 1 bit, and described 4th preset length is 1 bit.
Alternatively, the current time information of described acquisition second preset length, comprising:
Obtain current time t1;
Time at beginning of the year t2 corresponding with described t1 for current time t1 is done difference, obtains result t;
Being converted to by described result t with preset time period is the integer t ' of a unit;
Integer t ' is converted to the current time information of 22 bits.
Alternatively, the first cryptographic algorithm that described basis is selected in advance and the first key, be encrypted generated data, to generate interface identifier, comprise:
According to the first key selected in advance, adopt IDEA IDEA or triple DEA 3DES, generated data are encrypted, to generate interface identifier mark.
Second aspect, the invention provides a kind of IPv6 address resolution method, comprising:
Obtain IPv6 address to be resolved, from IPv6 address, extract interface identifier;
According to the second key selected in advance and the second cryptographic algorithm, the interface identifier extracted is decrypted, obtains the plaintext of 64 bits;
Extract the information of front 5th preset length of described plaintext, using the information of extraction as user network identify label.
Alternatively, described 5th preset length is 40 bits.
Alternatively, the second key that described basis is selected in advance and the second cryptographic algorithm, be decrypted the interface identifier extracted, obtain the plaintext of 64 bits, comprising:
According to the second key selected in advance, adopt IDEA IDEA or triple DEA 3DES, the interface identifier extracted is decrypted, obtains the plaintext of 64 bits.
The third aspect, the invention provides a kind of IPv6 address generating device, comprising:
First acquisition module, for obtaining the user network identify label of the first preset length, and obtains the current time information of the second preset length;
First generation module, for being connected the selection position of described user network identify label, the 3rd default preset length, the reserved place of the 4th default preset length successively with current time information, to generate the data of 64 bits;
Encrypting module, for according to the first cryptographic algorithm selected in advance and the first key, is encrypted generated data, to generate interface identifier;
Second generation module, for being merged by the interface identifier of address prefix and generation, to generate IPv6 address.
Fourth aspect, the invention provides a kind of IPv6 address analyzing device, comprising:
First extraction module, for obtaining IPv6 address to be resolved, extracts interface identifier from IPv6 address;
Deciphering module, for according to the second key selected in advance and the second cryptographic algorithm, is decrypted the interface identifier extracted, obtains the plaintext of 64 bits;
Second extraction module, for extracting the information of the 5th preset length before described plaintext, using the information extracted as user network identify label.
As shown from the above technical solution, a kind of IPv6 address generation of the present invention, analytic method and device, user network identify label and temporal information is embedded in 64 interface IP addresses after IPv6, configuration is simple, address formation speed is fast, be applicable to reviewing of the user in network, be beneficial to and carry out network management and control.
Accompanying drawing explanation
The schematic flow sheet of the IPv6 address generating method that Fig. 1 provides for one embodiment of the invention;
The principle schematic of the IPv6 address generating method that Fig. 2 provides for one embodiment of the invention;
The schematic flow sheet of a kind of IPv6 address resolution method that Fig. 3 provides for one embodiment of the invention;
The structural representation of the IPv6 address generating device that Fig. 4 provides for one embodiment of the invention;
The structural representation of the IPv6 address analyzing device that Fig. 5 provides for one embodiment of the invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the 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.
Fig. 1 shows the schematic flow sheet of the IPv6 address generating method that one embodiment of the invention provides, Fig. 2 shows the principle schematic of the IPv6 address generating method that one embodiment of the invention provides, as shown in Figures 1 and 2, the IPv6 address generating method of the present embodiment is as described below.
101, obtain the user network identify label of the first preset length, and obtain the current time information of the second preset length.
102, the selection position of described user network identify label, the 3rd default preset length, the reserved place of the 4th default preset length are connected with current time information, successively to generate the data of 64 bits.
103, according to the first cryptographic algorithm selected in advance and the first key, generated data are encrypted, to generate (64 bit) interface identifier.
It should be noted that the first cryptographic algorithm that the present embodiment is selected in advance should to meet its input block be 64 bits, output block is also the fail safe height symmetric encipherment algorithm of 64 bits; The first key that the present embodiment is selected in advance is the weak key of this algorithm non-.
At present, cryptographic algorithm is flourish, and multiple cryptographic algorithm occurs in succession in countries in the world.For example, according to the first key selected in advance, IDEA (InternationalDataEncryptionAlgorithm is called for short IDEA) can be adopted, generated data is encrypted, to generate interface identifier.
It should be noted that IDEA belongs to encryption of blocks of data algorithm (BlockCipher) class in cryptography.IDEA use length is the key of 128, and data block size is 64.Theoretically, also there is not the effective attack algorithm to this algorithm so far in cryptographic algorithm that IDEA belongs to " by force ".
For example, according to the first key selected in advance, triple DEA (TripleDataEncryptionAlgorithm can be adopted, be called for short TDEA, common name 3DES), generated data are encrypted, to generate the interface identifier of 64 bits behind IPv6 address.
It should be noted that, 3DES is data encryption standard (DataEncryptionStandard, vehicle economy S) to Advanced Encryption Standard (AdvancedEncryptionStandard, be called for short AES) cryptographic algorithm of transition, its uses the double secret key data of 3 56 to carry out Tertiary infilling.It is the safer distortion of of DES.It take DES as basic module, designs block encryption algorithm by combination group technology.Compared with initial DES, 3DES is safer.
104, the interface identifier of address prefix and generation is merged, to generate IPv6 address.
The IPv6 address generating method of the present embodiment, by embedding user network identify label and temporal information in 64 interface IP addresses after IPv6, configuration is simple, and address formation speed is fast, is applicable to reviewing of the user in network, is beneficial to and carries out network management and control.
In a particular application, described first preset length of the present embodiment can be preferably 40 bits, and described second preset length can be preferably 22 bits, and described 3rd preset length can be preferably 1 bit, and described 4th preset length can be preferably 1 bit.
It should be noted that the user network identify label of preferably 40 bits of the present embodiment, there is easily extensible, level, flexibility, privacy, can remember and the characteristic such as ease for use.
It should be noted that, in a particular application, the selection position of presetting of the present embodiment is for distinguishing the extensibility use field that this method and other similar address generating methods, default reserved place are this IPv6 address generating methods, in default situations, the selection position that the present embodiment is default and these two fields of reserved place are 0.
In a particular application, " obtaining the current time information of the second preset length " in the present embodiment above-mentioned steps 101, can comprise:
Obtain current time t1;
Time at beginning of the year t2 corresponding with described t1 for current time t1 is done difference, obtains result t;
Being converted to by described result t with preset time period is the integer t ' of a unit;
Integer t ' is converted to the current time information of 22 bits.
Will be understood that, for example, the current time t1 obtained is: a b month c day d point e minute, and time at the beginning of the year t2 that described t1 is corresponding is: 0: 0 on the 1st January of a, current time information t1 is done difference with as time at beginning of the year t2, obtains result t=t1-t2.
For example, the preset time period of the present embodiment can be preferably 1 minute or 30 seconds.It should be noted that when employing is the unit of embedding time in 1 minute, the highest 2 of the temporal information of 22 bits are actually and untapped (being 0).Therefore, can embed the more fine-grained time, as half a minute, every 30 seconds be a chronomere.
The IPv6 address generating method of the present embodiment, by embedding user network identify label and temporal information in 64 interface IP addresses after IPv6, configuration is simple, and address formation speed is fast, is applicable to reviewing of the user in network, is beneficial to and carries out network management and control.
Fig. 3 shows the schematic flow sheet of a kind of IPv6 address resolution method that one embodiment of the invention provides, and as shown in Figure 3, the IPv6 address resolution method of the present embodiment is as described below.
301, obtain IPv6 address to be resolved, from IPv6 address, extract interface identifier.
302, according to the second key selected in advance and the second cryptographic algorithm, the interface identifier extracted is decrypted, obtains the plaintext of 64 bits.
It should be noted that, the IPv6 address resolution method of the present embodiment can be utilized to resolve Fig. 1 or generated IPv6 address embodiment illustrated in fig. 2, the second cryptographic algorithm corresponding diagram 1 selected in advance of the present embodiment or embodiment illustrated in fig. 2 in the first cryptographic algorithm selected in advance, second double secret key selected in advance of the present embodiment answer Fig. 1 or embodiment illustrated in fig. 2 in the first key selected in advance.
For example, when Fig. 1 or embodiment illustrated in fig. 2 in the first cryptographic algorithm selected in advance be IDEA IDEA time, second cryptographic algorithm selected in advance of the present embodiment is also IDEA algorithm; When Fig. 1 or embodiment illustrated in fig. 2 in the first cryptographic algorithm selected in advance be triple DEA 3DES time, second cryptographic algorithm selected in advance of the present embodiment is also 3DES algorithm.
303, the information of front 5th preset length of described plaintext is extracted, using the information of extraction as user network identify label.
It should be noted that, the described 5th preset length corresponding diagram 1 of the present embodiment or embodiment illustrated in fig. 2 in the first preset length of user network identify label, when Fig. 1 or embodiment illustrated in fig. 2 in the first preset length be 40 bit time, described 5th preset length of the present embodiment is also 40 bits.
The IPv6 address resolution method of the present embodiment, by resolving Fig. 1 or generated IPv6 address embodiment illustrated in fig. 2, can obtain the user network identify label in network, and then realizes reviewing of user in network, is beneficial to and carries out network management and control.
Fig. 4 shows the structural representation of the IPv6 address generating device that one embodiment of the invention provides, as shown in Figure 4, the IPv6 address generating device of the present embodiment, comprising: the first acquisition module 41, first generation module 42, encrypting module 43 and the second generation module 44;
First acquisition module 41, for obtaining the user network identify label of the first preset length, and obtains the current time information of the second preset length;
First generation module 42, for being connected the selection position of described user network identify label, the 3rd default preset length, the reserved place of the 4th default preset length successively with current time information, to generate the data of 64 bits;
Encrypting module 43, for according to the first cryptographic algorithm selected in advance and the first key, is encrypted generated data, to generate interface identifier;
Second generation module 44, for being merged by the interface identifier of address prefix and generation, to generate IPv6 address.
It should be noted that the first cryptographic algorithm that the present embodiment is selected in advance should to meet its input block be 64 bits, output block is also the fail safe height symmetric encipherment algorithm of 64 bits; The first key that the present embodiment is selected in advance is the weak key of this algorithm non-.For example, the first cryptographic algorithm that the present embodiment is selected in advance can be preferably IDEA (InternationalDataEncryptionAlgorithm, be called for short IDEA) or triple DEA (TripleDataEncryptionAlgorithm, be called for short TDEA, common name 3DES).
It should be noted that IDEA belongs to encryption of blocks of data algorithm (BlockCipher) class in cryptography.IDEA use length is the key of 128, and data block size is 64.Theoretically, also there is not the effective attack algorithm to this algorithm so far in cryptographic algorithm that IDEA belongs to " by force "; 3DES is data encryption standard (DataEncryptionStandard, vehicle economy S) to Advanced Encryption Standard (AdvancedEncryptionStandard, be called for short AES) cryptographic algorithm of transition, its uses the double secret key data of 3 56 to carry out Tertiary infilling.It is the safer distortion of of DES.It take DES as basic module, designs block encryption algorithm by combination group technology.Compared with initial DES, 3DES is safer.
In a particular application, described first preset length of the present embodiment can be preferably 40 bits, and described second preset length can be preferably 22 bits, and described 3rd preset length can be preferably 1 bit, and described 4th preset length can be preferably 1 bit.
It should be noted that the user network identify label of preferably 40 bits of the present embodiment, there is easily extensible, level, flexibility, privacy, can remember and the characteristic such as ease for use; The selection position of presetting of the present embodiment is for distinguishing the extensibility use field that this method and other similar address generating methods, default reserved place are this IPv6 address generating methods, in default situations, the selection position that the present embodiment is default and these two fields of reserved place are 0.
In a particular application, described in the present embodiment, the first acquisition module 41 can comprise not shown:
First acquiring unit 41a, for obtaining the user network identify label of the first preset length;
Second acquisition unit 41b, for obtaining the current time information of the second preset length.
In a particular application, described second acquisition unit 41b, can be specifically for
Obtain current time t1;
Time at beginning of the year t2 corresponding with described t1 for current time t1 is done difference, obtains result t;
Being converted to by described result t with preset time period is the integer t ' of a unit;
Integer t ' is converted to the current time information of 22 bits.
Will be understood that, for example, the current time t1 obtained is: a b month c day d point e minute, and time at the beginning of the year t2 that described t1 is corresponding is: 0: 0 on the 1st January of a, current time information t1 is done difference with as time at beginning of the year t2, obtains result t=t1-t2.
For example, the preset time period of the present embodiment can be preferably 1 minute or 30 seconds.It should be noted that when employing is the unit of embedding time in 1 minute, the highest 2 of the temporal information of 22 bits are actually and untapped (being 0).Therefore, can embed the more fine-grained time, as half a minute, every 30 seconds be a chronomere.
The IPv6 address generating device of the present embodiment, by embedding user network identify label and temporal information in 64 interface IP addresses after IPv6, configuration is simple, and address formation speed is fast, is applicable to reviewing of the user in network, is beneficial to and carries out network management and control.
The IPv6 address generating device of the present embodiment, may be used for the technical scheme performing embodiment of the method shown in earlier figures 1 and Fig. 2, it realizes principle and technique effect is similar, repeats no more herein.
Fig. 5 shows the structural representation of the IPv6 address analyzing device that one embodiment of the invention provides, and as shown in Figure 5, the IPv6 address analyzing device of the present embodiment, comprising: the first extraction module 51, deciphering module 52 and the second extraction module 53;
First extraction module 51, for obtaining IPv6 address to be resolved, extracts interface identifier from IPv6 address;
Deciphering module 52, for according to the second key selected in advance and the second cryptographic algorithm, is decrypted the interface identifier extracted, obtains the plaintext of 64 bits;
Second extraction module 53, for extracting the information of the 5th preset length before described plaintext, using the information extracted as user network identify label.
It should be noted that, the IPv6 address analyzing device of the present embodiment can be utilized to resolve Fig. 1 or generated IPv6 address embodiment illustrated in fig. 2, the second cryptographic algorithm corresponding diagram 1 selected in advance of the present embodiment or embodiment illustrated in fig. 2 in the first cryptographic algorithm selected in advance, second double secret key selected in advance of the present embodiment answer Fig. 1 or embodiment illustrated in fig. 2 in the first key selected in advance.
For example, when Fig. 1 or embodiment illustrated in fig. 2 in the first cryptographic algorithm selected in advance be IDEA IDEA time, second cryptographic algorithm selected in advance of the present embodiment is also IDEA algorithm; When Fig. 1 or embodiment illustrated in fig. 2 in the first cryptographic algorithm selected in advance be triple DEA 3DES time, second cryptographic algorithm selected in advance of the present embodiment is also 3DES algorithm.
It should be noted that, the described 5th preset length corresponding diagram 1 of the present embodiment or embodiment illustrated in fig. 2 in the first preset length of user network identify label, when Fig. 1 or embodiment illustrated in fig. 2 in the first preset length be 40 bit time, described 5th preset length of the present embodiment is also 40 bits.
The IPv6 address device method of the present embodiment, by resolving Fig. 1, Fig. 2 and generated IPv6 address embodiment illustrated in fig. 4, the user network identify label in network can be obtained, and then realize reviewing of user in network, be beneficial to and carry out network management and control.
The IPv6 address analyzing device of the present embodiment, may be used for the technical scheme performing embodiment of the method shown in earlier figures 3, it realizes principle and technique effect is similar, repeats no more herein.
" first ", " second ", " the 3rd " and " the 4th " etc. are not make regulation to sequencing in the present embodiment, just make difference to title, in the present embodiment, do not make any restriction.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of the claims in the present invention.
Claims (9)
1. an IPv6 address generating method, is characterized in that, comprising:
Obtain the user network identify label of the first preset length, and obtain the current time information of the second preset length;
The selection position of described user network identify label, the 3rd default preset length, the reserved place of the 4th default preset length are connected with current time information, successively to generate the data of 64 bits;
According to the first cryptographic algorithm selected in advance and the first key, generated data are encrypted, to generate interface identifier;
The interface identifier of address prefix and generation is merged, to generate IPv6 address.
2. method according to claim 1, is characterized in that, described first preset length is 40 bits, and described second preset length is 22 bits, and described 3rd preset length is 1 bit, and described 4th preset length is 1 bit.
3. method according to claim 2, is characterized in that, the current time information of described acquisition second preset length, comprising:
Obtain current time t1;
Time at beginning of the year t2 corresponding with described t1 for current time t1 is done difference, obtains result t;
Being converted to by described result t with preset time period is the integer t ' of a unit;
Integer t ' is converted to the current time information of 22 bits.
4. method according to claim 1, is characterized in that, the first cryptographic algorithm that described basis is selected in advance and the first key, be encrypted generated data, to generate interface identifier, comprise:
According to the first key selected in advance, adopt IDEA IDEA or triple DEA 3DES, generated data are encrypted, to generate interface identifier.
5. an IPv6 address resolution method, is characterized in that, comprising:
Obtain IPv6 address to be resolved, from IPv6 address, extract interface identifier;
According to the second key selected in advance and the second cryptographic algorithm, the interface identifier extracted is decrypted, obtains the plaintext of 64 bits;
Extract the information of front 5th preset length of described plaintext, using the information of extraction as user network identify label.
6. method according to claim 5, is characterized in that, described 5th preset length is 40 bits.
7. method according to claim 5, is characterized in that, the second key that described basis is selected in advance and the second cryptographic algorithm, is decrypted, obtains the plaintext of 64 bits, comprising the interface identifier extracted:
According to the second key selected in advance, adopt IDEA IDEA or triple DEA 3DES, the interface identifier extracted is decrypted, obtains the plaintext of 64 bits.
8. an IPv6 address generating device, is characterized in that, comprising:
First acquisition module, for obtaining the user network identify label of the first preset length, and obtains the current time information of the second preset length;
First generation module, for being connected the selection position of described user network identify label, the 3rd default preset length, the reserved place of the 4th default preset length successively with current time information, to generate the data of 64 bits;
Encrypting module, for according to the first cryptographic algorithm selected in advance and the first key, is encrypted generated data, to generate interface identifier;
Second generation module, for being merged by the interface identifier of address prefix and generation, to generate IPv6 address.
9. an IPv6 address analyzing device, is characterized in that, comprising:
First extraction module, for obtaining IPv6 address to be resolved, extracts interface identifier from IPv6 address;
Deciphering module, for according to the second key selected in advance and the second cryptographic algorithm, is decrypted the interface identifier extracted, obtains the plaintext of 64 bits;
Second extraction module, for extracting the information of the 5th preset length before described plaintext, using the information extracted as user network identify label.
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