CN110430569A - A kind of remote write SIM card method based on Android system - Google Patents

A kind of remote write SIM card method based on Android system Download PDF

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Publication number
CN110430569A
CN110430569A CN201910732439.6A CN201910732439A CN110430569A CN 110430569 A CN110430569 A CN 110430569A CN 201910732439 A CN201910732439 A CN 201910732439A CN 110430569 A CN110430569 A CN 110430569A
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China
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data
sim card
byte
imsi
android system
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CN201910732439.6A
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CN110430569B (en
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宋文韬
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/183—Processing at user equipment or user record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20—Transfer of user or subscriber data
    • H04W8/205—Transfer to or from user equipment or user record carrier

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The remote write SIM card method based on Android system that the invention discloses a kind of, the present invention is combined five yards of data, and encrypts to the data after combination；Encryption data is transferred to mobile phone by network；Channel is established using underlying protocol OpenMobile technology and SIM card piece using based on Android platform, then IMSI personalized instruction is transmitted, carries out the MCC number of cutting；Encryption data is decrypted in SIM card, is then registered in base station and is communicated.This method operation is convenient, it can be by remotely the SIM card in mobile phone being rewritten or being activated operation, avoid user that from must handling to business hall, save user time, in testing field, greatly reduce the deposit of entity card, reduces testing process bring time loss, testing efficiency is improved, testing cost is reduced.

Description

A kind of remote write SIM card method based on Android system
Technical field
The present invention relates to field of communication technology, specially a kind of remote write SIM card method based on Android system.
Background technique
Mobile phone has been increasingly becoming the life tool that people must can not need, and the SIM card in mobile phone is to be communicated, received The main component of short message.If SIM card damage or new purchase, the business hall for needing me to set to communication common carrier are gone to handle and be swashed Living, existing method by writer one is write data into SIM card, the second is the data of some complexity of user are given to, by User inputs on mobile phone, then carries out registration write-in；Existing way requires the participation of people or equipment, SIM card with Data correspond, and can not carry out from the number of moving and frequently rewriting SIM data, especially for the survey of some communication softwares or equipment Examination, it is cumbersome using card-reading mode, it is time-consuming and laborious.
Summary of the invention
In view of the problems of in the prior art, the invention discloses a kind of remote write SIM based on Android system Chucking method, comprising the following steps:
Step.1 is combined five yards of data: five yards of data include ICCID, IMSI, SMSP, R1-R5, Limit, Delta；
Step.2 encrypts data, comprising the following steps:
A) take 16 systems ' 0x00 ' of 8 bytes as initial value；
B) all initial data are grouped D1 according to every one group of 8 bytes, D2, D3, D4 ..., Dn；Such as source Data are not 8 integral multiples, then filled up after the data block value be 16 systems ' 0x80 ' byte, remaining word save 16 into The byte polishing for making ' 0x00 ' is 8 bytes；L calculates the data filled needed for MAC and is not included in the message data remittance actually transmitted Always, it is voluntarily filled when calculating MAC code according to data length by MAC value verification side；
C) these data blocks are encrypted using session key；Encryption Algorithm is encrypted using 3DES-CBC, is encrypted If method is the integral multiple that encryption data is 8, a 8 byte data block ' 0,x80 00 00 00 00 are added after data block 00 00 00'；If initial data is not 8 integral multiple, the word that a value is 16 systems ' 0x80 ' is filled up after changing data block Section, the byte polishing that remaining word saves 16 systems ' 0x00 ' is 8 bytes；
D) finally obtain be 4 byte lengths obtained on the left of the calculated result MAC；
The transmitting of Step.3 data supports http agreement and https agreement to carry out data transmission；
The Step.4 number of cutting writes card: it is operated based on android system top layer OpenMobile agreement, steps are as follows:
Step 1: calling SEService, Reader, reader.openSession () in SimCardIOManager Method is initialized, and session is obtained
Step 2: calling getLogicChannelNum () method Channel in SimCardIOManager Channel=session.openLogicalChannel (aid) Acquisition channel；
Step 3: calling getLogicChannelNum () method byte [] rsp=in SimCardIOManager Channel.transmit (apduBytes) opens channel；
Step 4: being switched to the specified IMSI personal data SimOperator-- > switchIMSI () of ICCID；
Step 5: the IMSI data SimOperator-- > getActivedICCID () currently to come into force in inquirying card；
Step 6: IMSI data SimOperator-- > getAllICCIDs () all in inquirying card；
Step 7: closing passage SimCardIOManager-- > closeChannel；
Step 8: closing session SimCardIOManager-- > closeChannel；
Step.5 encryption data is decrypted in SIM card, is then registered in base station and is communicated.
Five yards of data ICCID in the Step.1: being then written if any data source, is not then sky；IMSI: last character It must be number；SMSP: it fills in short message centre number and combines；R1-R5:20132F495B；Limit:FFFFFFFFFFFF； Delta:000200000000。
The combined method of the SMSP are as follows: the number for obtaining sms center mends country code before number, if surprise after benefit Numerical digit then finally mends " F ", and even bit is not mended then；Number is mended into " 91 " according to forefront after every two bit reversals order, before " 91 " Length is filled, when total length is less than 12 bytes (24), mends FF afterwards.
Beneficial effects of the present invention: the present invention is combined five yards of data, and encrypts to the data after combination；It will Encryption data is transferred to mobile phone by network；Underlying protocol OpenMobile technology and SIM are used using based on Android platform Card establishes channel, then transmits IMSI personalized instruction, carries out the MCC number of cutting；Encryption data is solved in SIM card It is close, it is then registered in base station and is communicated.This method operation it is convenient, can by remotely to the SIM card in mobile phone carry out rewrite or Activation operation, avoids user that from must handling to business hall, saves user time in testing field and greatly reduces the storage of entity card It is standby, testing process bring time loss is reduced, testing efficiency is improved, reduces testing cost.
Detailed description of the invention
Fig. 1 is the number of cutting of the invention, writes card flow chart；
Fig. 2 is that data of the present invention combine encryption flow figure；
Specific embodiment
Embodiment 1
A kind of remote write SIM card method based on Android system of the present embodiment, including the following steps:
Step.1 is combined five yards of data: five yards of data include ICCID, IMSI, SMSP, R1-R5, Limit, Delta；
Step.2 encrypts data, comprising the following steps:
A) take 16 systems ' 0x00 ' of 8 bytes as initial value；
B) all initial data are grouped D1 according to every one group of 8 bytes, D2, D3, D4 ..., Dn；Such as source Data are not 8 integral multiples, then filled up after the data block value be 16 systems ' 0x80 ' byte, remaining word save 16 into The byte polishing for making ' 0x00 ' is 8 bytes；L calculates the data filled needed for MAC and is not included in the message data remittance actually transmitted Always, it is voluntarily filled when calculating MAC code according to data length by MAC value verification side；
C) these data blocks are encrypted using session key；Encryption Algorithm is encrypted using 3DES-CBC, is encrypted If method is the integral multiple that encryption data is 8, a 8 byte data block ' 0,x80 00 00 00 00 are added after data block 00 00 00'；If initial data is not 8 integral multiple, the word that a value is 16 systems ' 0x80 ' is filled up after changing data block Section, the byte polishing that remaining word saves 16 systems ' 0x00 ' is 8 bytes；
D) finally obtain be 4 byte lengths obtained on the left of the calculated result MAC；
The transmitting of Step.3 data supports http agreement and https agreement to carry out data transmission；
The Step.4 number of cutting writes card: it is operated based on android system top layer OpenMobile agreement, steps are as follows:
Step 1: calling SEService, Reader, reader.openSession () in SimCardIOManager Method is initialized, and session is obtained
Step 2: calling getLogicChannelNum () method Channel in SimCardIOManager Channel=session.openLogicalChannel (aid) Acquisition channel；
Step 3: calling getLogicChannelNum () method byte [] rsp=in SimCardIOManager Channel.transmit (apduBytes) opens channel；
Step 4: being switched to the specified IMSI personal data SimOperator-- > switchIMSI () of ICCID；
Step 5: the IMSI data SimOperator-- > getActivedICCID () currently to come into force in inquirying card；
Step 6: IMSI data SimOperator-- > getAllICCIDs () all in inquirying card；
Step 7: closing passage SimCardIOManager-- > closeChannel；
Step 8: closing session SimCardIOManager-- > closeChannel；
The number of cutting, to write card process as shown in Figure 1.
Step.5 encryption data is decrypted in SIM card, is then registered in base station and is communicated.
By taking China Mobile as an example, SMSP can do following combination: Mobile SMS center: 13800100500, it is filled in the front Country code, China are " 86 " 8613800100500, mend " F " below when being odd bits, and even bit does not have to mend, and are obtained 8613800100500F, every two one reverse to obtain 683108100005F0, and mending " 91 " in front is 91683108100005F0, Length is added in front, sample length " 08 " obtains 0891683108100005F0, when total length is less than 12 bytes (24), after It mends FF and obtains 0891683108100005F0FFFFFF.
Encryption method citing: length+clear data:
67010001010A9868006601410540616314090849060025125698701502008016107E B661D5D8F6C86E539881B8955AA1CD170C0891683108504105F0FFFFFF18100A00B86C53BFDE 29B1092124AAF093E7240520132F495B2506FFFFFFFFFFFF2606000200000000
MAC is first calculated, to be filled, filled data are as follows:
67010001010A9868006601410540616314090849060025125698701502008016107E B661D5D8F6C86E539881B8955AA1CD170C0891683108504105F0FFFFFF18100A00B86C53BFDE 29B1092124AAF093E7240520132F495B2506FFFFFFFFFFFF2606000200000000800000000000 0000
3DES-CBC calculating is done to filled data:
6B60BDE565904DAF75F61EDE6E6B3FA976CC7266A4B6DA5113AE393BE8A0631A8AA8 2E722C53EBE8FE74965996E5F9DEA7E478E5A95DCE21B5AB01D3AA9EB8F34619D61502A14855 07A84CDA41F71293EA1F5AE39400708E10D0D548D087819DCFEC9F89DD8524C70C62EA905C60 AFC4
Intercept last 8 bytes: 0C62EA905C60AFC4
Take preceding 4 bytes of this 8 bytes as MAC:0C62EA90
Number after MAC is added to behind in plain text are as follows:
67010001010A9868006601410540616314090849060025125698701502008016107E B661D5D8F6C86E539881B8955AA1CD170C0891683108504105F0FFFFFF18100A00B86C53BFDE 29B1092124AAF093E7240520132F495B2506FFFFFFFFFFFF26060002000000000C62EA90
It is refilled with, filled data are as follows:
67010001010A9868006601410540616314090849060025125698701502008016107E B661D5D8F6C86E539881B8955AA1CD170C0891683108504105F0FFFFFF18100A00B86C53BFDE 29B1092124AAF093E7240520132F495B2506FFFFFFFFFFFF26060002000000000C62EA908000 0000
3DES-CBC calculating is done to filled value:
6B60BDE565904DAF75F61EDE6E6B3FA976CC7266A4B6DA5113AE393BE8A0631A8AA8 2E722C53EBE8FE74965996E5F9DEA7E478E5A95DCE21B5AB01D3AA9EB8F34619D61502A14855 07A84CDA41F71293EA1F5AE39400708E10D0D548D087819DCFEC9F89DD8524C75AF0011E5B22 C1D0.Data combined ciphering is as shown in Figure 2.
Although above-mentioned be explained in detail specific embodiments of the present invention, the present invention is not limited to above-mentioned implementations Example, within the knowledge of a person skilled in the art, can also do without departing from the purpose of the present invention Various change out, without having the modification of creative work or deformation still within protection scope of the present invention.

Claims (3)

1. a kind of remote write SIM card method based on Android system, it is characterised in that the following steps are included:
Step.1 is combined five yards of data: five yards of data include ICCID, IMSI, SMSP, R1-R5, Limit, Delta；
Step.2 encrypts data, comprising the following steps:
A) take 16 systems ' 0x00 ' of 8 bytes as initial value；
B) all initial data are grouped D1 according to every one group of 8 bytes, D2, D3, D4 ..., Dn；Such as source data It is not 8 integral multiple, then fills up the byte that a value is 16 systems ' 0x80 ' after the data block, remaining word saves 16 systems The byte polishing of ' 0x00 ' is 8 bytes；The data that l calculates filling needed for MAC are not included in the message data actually transmitted and summarize, It is voluntarily filled when calculating MAC code according to data length by MAC value verification side；
C) these data blocks are encrypted using session key；Encryption Algorithm is encrypted using 3DES-CBC, encryption method If for encryption data being 8 integral multiple, a 8 byte data block ' 0,x80 00 00 00 00 00 are added after data block 00 00'；If initial data is not 8 integral multiple, the byte that a value is 16 systems ' 0x80 ' is filled up after changing data block, The byte polishing that remaining word saves 16 systems ' 0x00 ' is 8 bytes；
D) finally obtain be 4 byte lengths obtained on the left of the calculated result MAC；
The transmitting of Step.3 data supports http agreement and https agreement to carry out data transmission；
The Step.4 number of cutting writes card: it is operated based on android system top layer OpenMobile agreement, steps are as follows:
Step 1: the method for calling SEService, Reader, reader.openSession () in SimCardIOManager It is initialized, obtains session
Step 2: calling getLogicChannelNum () method Channel channel=in SimCardIOManager Session.openLogicalChannel (aid) Acquisition channel；
Step 3: calling getLogicChannelNum () method byte [] rsp=in SimCardIOManager Channel.transmit (apduBytes) opens channel；
Step 4: being switched to the specified IMSI personal data of ICCID
SimOperator-->switchIMSI()；
Step 5: the IMSI data currently to come into force in inquirying card
SimOperator-->getActivedICCID()；
Step 6: IMSI data all in inquirying card
SimOperator-->getAllICCIDs()；
Step 7: closing passage SimCardIOManager-- > closeChannel；
Step 8: closing session SimCardIOManager-- > closeChannel；
Step.5 encryption data is decrypted in SIM card, is then registered in base station and is communicated.
2. a kind of remote write SIM card method based on Android system according to claim 1, it is characterised in that: described Five yards of data ICCID in Step.1: being then written if any data source, is not then sky；IMSI: last character must be several Word SMSP: it fills in short message centre number and combines；R1-R5:20132F495B；Limit:FFFFFFFFFFFF；Delta: 000200000000。
3. a kind of remote write SIM card method based on Android system according to claim 2, it is characterised in that: described The combined method of SMSP are as follows: the number for obtaining sms center is mended country code before number, then finally mended after benefit if odd bits " F ", even bit are not mended then；Number is mended into " 91 " according to forefront after every two bit reversals order, length is filled before " 91 ", when total When 12 byte of curtailment (24), FF is mended afterwards.
CN201910732439.6A 2019-08-12 2019-08-12 Android system-based method for remotely writing SIM card Active CN110430569B (en)

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