CN201261316Y - Multipurpose certificate card - Google Patents
Multipurpose certificate card Download PDFInfo
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- CN201261316Y CN201261316Y CN 200820058905 CN200820058905U CN201261316Y CN 201261316 Y CN201261316 Y CN 201261316Y CN 200820058905 CN200820058905 CN 200820058905 CN 200820058905 U CN200820058905 U CN 200820058905U CN 201261316 Y CN201261316 Y CN 201261316Y
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- card
- multipurpose
- high frequency
- certificate
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Abstract
The utility model relates to a multipurpose credential card, which comprises an upper medium and a lower medium. A high frequency card and an aerial as well as an ultra-high frequency card and an aerial are embedded between the upper and the lower mediums; and an isolation layer is arranged between the high frequency card and the aerial and the ultra-high frequency card and the aerial. The credential card is applicable to a long-distance card reading recognition system of and a short-distance card swiping recognition system. When the data of the credential card is encrypted, the uniqueness performance of the ID of the credential card can effectively ensure the data security in the credential card, thereby preventing forgery; moreover, the credential card can meet different requirements of safety classes in different applicable occasions. The inventive credential card can be widely used in the fields of entrance guarding, finance, logistics, communication and the like.
Description
Technical field
The utility model relates to a kind of certificate card, particularly relates to a kind of multipurpose certificate card.
Background technology
Present escape way, the general certificate card safe in utilization of safety door, present most of safety document card adopts integrated circuit IC-card and image combining form, image is used to discern holder and certificate card, and whether everyone is same people, and the proprietary essential information of storage certificate card in the integrated circuit IC-card, whether can be used for discerning the certificate card legal, the normal mode of swiping the card that adopts of this class certificate cartoon enters escape way or safety door, can not be used for remote Card Reader recognition system, so its use is subjected to certain limitation.
DES Cipher (Data Encryption Standard) is a block encryption algorithm, and he serves as that grouping is encrypted data with 64.DES also is a symmetry algorithm simultaneously: what encryption and decryption were used is same algorithm, its key length is 56 (because each the 8th all is used as even-odd check), key can be 56 a number arbitrarily, and change arbitrarily the time, wherein there is the number of minute quantity to be considered to weak key, but is easy to avoid them.So the confidentiality of DES cipher system depends on key.
Rsa encryption, decipherment algorithm are with the naming of its inventor Ron Rivest, Adi Shamir and LeonardAdleman, and it is that first can be used for the algorithm that data encryption also can be used for digital signature.RSA is a kind of asymmetrical encryption and decryption technique, adopts different encryption key and decruption key, and a key is open to the public, is called PKI, and a privately owned preservation is called private key.The information of crossing by public key encryption has only by private key and just can be decrypted.
The utility model content
The purpose of this utility model provides a kind of multipurpose certificate card, and this certificate card both had been applicable to remote Card Reader recognition system, was applicable to the recognition system of closely swiping the card again.
In order to achieve the above object, the technical solution of the utility model is: a kind of multipurpose certificate card, comprise top layer medium and bottom medium, its characteristics are, between described top layer medium and bottom medium, embed high frequency card and antenna and hyperfrequency card and antenna, between described high frequency card and antenna and hyperfrequency card and the antenna separation layer is arranged.
Above-mentioned multipurpose certificate card, wherein, described high frequency card is to encrypt storage card, its each sector comprises an at least one data block and a cryptographic block.
Above-mentioned multipurpose certificate card, wherein, described high frequency card has 40 sectors, and each sector of preceding 32 sectors comprises 4 pieces, and each sector of back 8 sectors comprises 16; Last piece of each sector is a cryptographic block, and the piece of front is a data block.
Above-mentioned multipurpose certificate card, wherein, described cryptographic block comprises password A, password B and cipher control position.
Above-mentioned multipurpose certificate card, wherein, the frequency range of described high frequency card is applicable to the recognition system of closely swiping the card at 3MHz-30MHz.
Above-mentioned multipurpose certificate card, wherein, the data ciphering method of described high frequency card may further comprise the steps:
Step 1.1 card sender is provided with i=0, and wherein i is used to identify sector number, and 0≤i＜N, N are total sector number,
Step 1.2, card sender generates the password A and the password B of i sector of certificate card,
Step 1.2.1, indicating number ID with sector cryptographic block piece number and high frequency card identity is be-encrypted data, promptly expressly,
Step 1.2.2 calls the be-encrypted data that the DES Cipher crypto module encrypting step 1.2.1 of the 0X11 of secure access module SAM (security access module) generates, and obtains ciphertext,
Step 1.2.3, the data of 6 bytes in front of getting the ciphertext that step 1.2.2 obtains are as this sector password A,
Step 1.2.4, indicating number ID with sector cryptographic block piece number and high frequency card identity is be-encrypted data, promptly expressly,
Step 1.2.5 calls the be-encrypted data that the des encryption module encrypt step 1.2.4 of the 0X12 of SAM generates, and obtains ciphertext,
Step 1.2.6, the data of 6 bytes in front of getting the ciphertext that step 1.2.5 obtains are as this sector password B,
Step 1.3, i=i+1,
Whether step 1.4 judges i less than N, if, get back to step 1.2 for being, if be that then execution in step 1.5,
Step 1.5 is judged the safe class of using the certificate card, if use the safe class rank height of certificate card, execution in step 1.6 if use the safe class rank of certificate card general, then finishes to encrypt,
Step 1.6, card sender adopts RSA Algorithm, encrypts expressly carrying out digital signature.
Above-mentioned multipurpose certificate card, wherein, described hyperfrequency card is to encrypt storage card, its memory space is password area, electric product coding EPC district, label identity sign number TID district and user information field.
Above-mentioned multipurpose certificate card, wherein, the password area of described hyperfrequency card is 64 bytes, and electric product coding EPC district is 128 bytes, and it is 32 bytes that the label identity indicates number TID district, and user information field is 224 bytes.
Above-mentioned multipurpose certificate card, wherein, the frequency range of described hyperfrequency card is applicable to remote Card Reader recognition system at 300MHz-3GHz.
Above-mentioned multipurpose certificate card, wherein, the data ciphering method of described hyperfrequency card may further comprise the steps:
Step 2.1, card sender sticks into row by secure access module SAM and authorizes, and the SAM card has loaded key two covers, is called key X and Y, and key X and Y are 8 bytes,
Step 2.2, card sender read hyperfrequency card identity and indicate number ID (4 bytes), and additional 0X80,0X00, and 0X00,0X00 to 8 byte generates expressly,
Step 2.3, the plaintext that card sender uses key X that step 2.2 is generated are carried out the DES Cipher encryption, and getting preceding 4 bytes of ciphertext is hyperfrequency card password area password,
Step 2.4, card sender use key X that the plaintext that step 2.2 generates is carried out des encryption, produce 8 byte ciphertexts,
Step 2.5, the encrypted result that hyperfrequency card identity is indicated number ID and step 2.4 is packed, and the result after will packing writes electric product coding EPC district, lock,
Step 2.6, the password that step 2.3 is produced writes hyperfrequency card password area, and locks.
The utility model makes it compared with prior art owing to adopt technique scheme, has following advantage and good effect:
1, because integrated high frequency card of the utility model multipurpose certificate card and hyperfrequency card, the frequency range of high frequency card is at 3MHz-30MHz, it is near to read distance, the accuracy height, the frequency range of hyperfrequency card is at 300MHz-3GHz, read distance, so it both is applicable to remote Card Reader recognition system, had been applicable to the recognition system of closely swiping the card again.
2, because the data ciphering method of the utility model multipurpose certificate card utilizes the card identity to indicate the uniqueness of number ID; make unauthorized person duplicate card, crack the card data district, obtain the threat that the illegal act of some critical data causes security of system and reduce to minimum; can effectively protect the safety of data in the certificate card, prevent the forgery of certificate card.
3, because the data ciphering method of the utility model multipurpose certificate card medium-high frequency card in conjunction with adopting des encryption method and digital signature encryption method, can be realized the requirement that the different application occasion is different to safe class.
Description of drawings
Fig. 1 is the structural representation of the utility model multipurpose certificate card.
Fig. 2 is the structural representation of the utility model multipurpose certificate card medium-high frequency card sector 0.
Fig. 3 is the data encryption flow chart of the utility model multipurpose certificate card medium-high frequency card.
Fig. 4 is the data encryption flow chart of hyperfrequency card in the utility model multipurpose certificate card.
The specific embodiment
Below specify better embodiment of the present utility model referring to accompanying drawing:
Referring to Fig. 1, a kind of multipurpose certificate of the utility model card comprises top layer medium 1 and bottom medium 2, between described top layer medium 1 and bottom medium 2, embed high frequency card and antenna 3 and hyperfrequency card and antenna 4, a separation layer 5 is arranged between described high frequency card and antenna 3 and hyperfrequency card and the antenna 4.
A kind of multipurpose certificate of the utility model card is integrated high frequency card and hyperfrequency card, described high frequency card are to encrypt storage card, and its each sector comprises an at least one data block and a cryptographic block; Described hyperfrequency card also is to encrypt storage card, is stored with holder's individual essential information and photo, and memory space is password area, electric product coding EPC district, label identity sign number TID district and user information field.The frequency range of high frequency card is at 3MHz-30MHz, it is near to read distance, the accuracy height, the frequency range of hyperfrequency card is at 300MHz-3GHz, read distance, therefore the utility model multipurpose certificate card both had been applicable to remote Card Reader recognition system, was applicable to the recognition system of closely swiping the card again, was a kind of multipurpose certificate card.
In the present embodiment, the high frequency card is a kind of encryption storage card, has 40 sectors in the card, is named as 0～sector, sector 39, and each sector of 0～sector, sector 31 comprises 4 pieces, and each sector of 32～sector, sector 39 comprises 16 pieces.In each sector, last piece is a cryptographic block, and the piece of front is a data block.Cryptographic block comprises password A and password B, by password is authenticated, guarantees the legitimacy to the data operation.The hyperfrequency card meets EPC GEN2 standard, and memory space is: MB00 is password area (64bit); MB01 is electric product coding EPC district (128bit); MB10 is for the label identity indicates number TID district (32bit); MB11 is user information field (224bit).Wherein label identity sign number TID is ROM, can not change after dispatching from the factory, and the label identity sign number TID whole world is unique; Password area, EPC district and user information field all can conduct the locking operations, and the locking back must just can be carried out by authentication password district password the modification of card data.
Referring to Fig. 2, be example with the sector 0 of high frequency card, introduce the composition structure of sector in detail.There are 4 pieces this sector, and piece number is respectively 0X00,0X01,0X02 and 0X03, and 0X00～0X02 is a data block, and 0X03 is a cryptographic block.Cryptographic block 0X03 comprises password A, password B and cipher control position.
Referring to Fig. 3, the data ciphering method of the utility model multipurpose certificate card medium-high frequency card may further comprise the steps:
Step 1.1 card sender is provided with i=0, and wherein i is used to identify sector number, and 0≤i＜N, N are total sector number,
Step 1.2, card sender generates the password A and the password B of i sector of certificate card,
Step 1.2.1, indicating number ID with sector cryptographic block piece number and high frequency card identity is be-encrypted data, promptly expressly,
Step 1.2.2 calls the be-encrypted data that the DES crypto module encrypting step 1.2.1 of the 0X11 of secure access module SAM (security access module) generates, and obtains ciphertext,
Step 1.2.3, the data of 6 bytes in front of getting the ciphertext that step 1.2.2 obtains are as this sector password A,
Step 1.2.4, indicating number ID with sector cryptographic block piece number and high frequency card identity is be-encrypted data, promptly expressly,
Step 1.2.5 calls the be-encrypted data that the des encryption module encrypt step 1.2.4 of the 0X12 of SAM generates, and obtains ciphertext,
Step 1.2.6, the data of 6 bytes in front of getting the ciphertext that step 1.2.5 obtains are as this sector password B,
Step 1.3, i=i+1,
Whether step 1.4 judges i less than N, if, get back to step 1.2 for being, if be that then execution in step 1.5,
Step 1.5 is judged the safe class of using the certificate card, if use the safe class rank height of certificate card, execution in step 1.6 if use the safe class rank of certificate card general, then finishes to encrypt,
Step 1.6, card sender adopts RSA Algorithm, and the digital signature encryption is carried out in the combination (promptly expressly) that high frequency card identity is indicated number ID and production firm's code.
Among step 1.2.1 and the step 1.2.4, the plaintext that produces high frequency card password area password can also be the combination that high frequency card identity indicates number ID and high frequency card production firm information, indicates the combination of number ID and production firm's code as high frequency card identity; Also can be the combination that high frequency card identity indicates number ID, production firm's information and card image, indicate the combination of number ID, production firm's code and high frequency card lot number as high frequency card identity.
Because the data ciphering method of the utility model multipurpose certificate card medium-high frequency card is in conjunction with adopting des encryption method and digital signature encryption method, can realize the requirement that the different application occasion is different to safe class, as the situation safe class is required, whether the DES ciphertext of checking card is legal, and when requiring the application of high safety grade, the digital signature of checking card.
Referring to Fig. 4, the data ciphering method of hyperfrequency card in the utility model multipurpose certificate card may further comprise the steps:
Step 2.1, card sender sticks into row by SAM and authorizes, and the SAM card has loaded key two covers, is called key X and Y, and key X and Y are 8 bytes,
Step 2.2, card sender read hyperfrequency card identity and indicate number ID (4 bytes), and additional 0X80,0X00,0X00,0X00 to 8 byte, generate expressly, (DES is a block encryption, and each plaintext of encrypting must be 8 bytes, if less than 8 bytes will be carried out polishing, method is to add 0X80 earlier, just finishes if supplied 8 bytes after adding, if go back less than 8 bytes, just continue to mend 0X00, until 8 bytes)
Step 2.3, card sender use key X that the plaintext that step 2.2 generates is carried out des encryption, and getting preceding 4 bytes of ciphertext is hyperfrequency card password area password,
Step 2.4, card sender use key X that the plaintext that step 2.2 generates is carried out des encryption, produce 8 byte ciphertexts,
Step 2.5, the encrypted result that hyperfrequency card identity is indicated number ID and step 2.4 is packed, and the result after will packing writes the EPC district, lock,
Step 2.6, the password that step 2.3 is produced writes hyperfrequency card password area, and locks.
Owing to all utilize the card identity to indicate the uniqueness of number ID when the data of high frequency card and hyperfrequency card being encrypted in the utility model multipurpose certificate card, make unauthorized person duplicate card, crack the card data district, obtain the threat that the illegal act of some critical data causes security of system and reduce to minimum.
The utility model multipurpose certificate card can be widely used in multiple fields such as gate inhibition, finance, logistics, interchange.
Claims (8)
1, a kind of multipurpose certificate card, comprise top layer medium (1) and bottom medium (2), it is characterized in that, between described top layer medium (1) and bottom medium (2), embed high frequency card and antenna (3) and hyperfrequency card and antenna (4), between described high frequency card and antenna (3) and hyperfrequency card and the antenna (4) separation layer (5) is arranged.
2, multipurpose certificate card as claimed in claim 1 is characterized in that, described high frequency card is to encrypt storage card, and its each sector comprises an at least one data block and a cryptographic block.
3, multipurpose certificate card as claimed in claim 2 is characterized in that, described high frequency card has 40 sectors, and each sector of preceding 32 sectors comprises 4 pieces, and each sector of back 8 sectors comprises 16; Last piece of each sector is a cryptographic block, and the piece of front is a data block.
4, as claim 2 or 3 described multipurpose certificate cards, it is characterized in that described cryptographic block comprises password A, password B and cipher control position.
5, multipurpose certificate card as claimed in claim 1 is characterized in that, the frequency range of described high frequency card is applicable to the recognition system of closely swiping the card at 3MHz-30MHz.
6, multipurpose certificate card as claimed in claim 1 is characterized in that, described hyperfrequency card is to encrypt storage card, and its memory space is password area, electric product coding EPC district, label identity sign number TID district and user information field.
7, multipurpose certificate card as claimed in claim 6 is characterized in that, the password area of described hyperfrequency card is 64 bytes, and electric product coding EPC district is 128 bytes, and it is 32 bytes that the label identity indicates number TID district, and user information field is 224 bytes.
8, multipurpose certificate card as claimed in claim 1 is characterized in that, the frequency range of described hyperfrequency card is applicable to remote Card Reader recognition system at 300MHz-3GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820058905 CN201261316Y (en) | 2008-05-23 | 2008-05-23 | Multipurpose certificate card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820058905 CN201261316Y (en) | 2008-05-23 | 2008-05-23 | Multipurpose certificate card |
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| Publication Number | Publication Date |
|---|---|
| CN201261316Y true CN201261316Y (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820058905 Expired - Fee Related CN201261316Y (en) | 2008-05-23 | 2008-05-23 | Multipurpose certificate card |
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| CN (1) | CN201261316Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937586A (en) * | 2010-09-10 | 2011-01-05 | 上海贝岭股份有限公司 | Access control system of residential community |
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2008
- 2008-05-23 CN CN 200820058905 patent/CN201261316Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937586A (en) * | 2010-09-10 | 2011-01-05 | 上海贝岭股份有限公司 | Access control system of residential community |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20100523 |