JPH05307654A - Recording/reproducing device for id card - Google Patents

Abstract

PURPOSE:To surely protect the secrecy of identification(ID) information by ciphering owner's ID information, recording the ciphered information in an ID card, and only when validity between the ID card and a reproducing device is confirmed, allowing the ID information to be reproduced. CONSTITUTION:The face image information of an owner himself (or herself) inputted to a recording device 2 is coded by a coding part and synthesized with information such as a date of his (or her) birth by a synthesizing part, the synthesized information is ciphered by a ciphering key K in a ciphering part and the ciphered information is recorded in an ID card 1 as ID information. In the case of reproducing information, the information formed by an arithmetic processing part in the ID card 1 and ciphered by the ciphering key K is inputted to a reproducing device 3. On the other hand, a random number generating part in the device 3 generates a random number similar to that of the arithmetic processing part of the ID card 1 and a ciphering key recognizing part ciphers the random number by a ciphering key, collates whether the ciphered information coincides with the inputted ciphered information or not, and only at the time of coincidence, outputs the ID information stored in the ID card 1 to an I/O device 33.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention records and reproduces identification information including image information such as a face photograph for confirming the propriety of the owner in a storage medium used as an ID card.
The present invention relates to a D card recording / reproducing apparatus.

[0002]

2. Description of the Related Art Conventionally, in a security system or the like that allows only pre-registered persons to enter the room, the person who is entering the room is allowed to carry an ID card on which a facial photograph of himself or herself is printed or pasted, and when entering the room, For example, the ID card is presented to a security guard, or the magnetically recorded identification information is read by a reading device to permit entry into the room only when the user is a valid owner.

[0003]

However, in the above-mentioned conventional ID card, since the magnetically recorded identification information is not taken measures such as encryption, it is possible to easily identify the identification information to anyone other than the authorized owner of the card. There was a problem that the security was not sufficient, for example, some people were illegally entered due to tampering after being decrypted.

The present invention has been made to solve such a problem, and its purpose is to reliably protect the confidentiality of identification information and to construct a highly secure security system or the like. The present invention is to provide a recording and reproducing device.

[0005]

In order to achieve the above object, the present invention provides an ID card for storing identification information,
A storage medium having a built-in arithmetic processing unit and a storage unit, in which a unique encryption key determined for each recording / reproducing apparatus is stored in advance, is used to identify a photograph of the owner's face or the like. An ID card recording / reproducing apparatus that records information and reproduces the recorded identification information, an encoding unit that encodes identification information such as a face photograph of the owner himself, and a recording / reproduction of the encoded identification information. A recording device including an encryption unit that performs encryption according to an encryption key determined for each device, a recording unit that stores the encrypted identification information in the storage unit of the storage medium, and a random number that is determined for each recording / playback device. Random number generating means for generating the random number generated by the arithmetic processing unit at the time of reproducing the identification information stored in the storage medium, and information generated by encrypting the random number generated by the arithmetic processing section with the encryption key stored in the storing section and the random number generating means. Enter the random number A cipher confirmation means for collating the information encrypted with the encryption key determined for each reproduction device, confirming whether the two pieces of information match, and reading out the identification information stored in the storage unit only when they match, And a reproducing device including a decoding means for decoding the read identification information.

[0006]

According to the above means, the identification information such as the face photograph of the owner himself is coded and encrypted and recorded in the storage medium, so that the identification information recorded by a person who does not know the encryption key can be decrypted. Things will be impossible. This makes it possible to reliably protect the confidentiality of the identification information.

During reproduction, random numbers are generated in each of the reproducing device and the ID card, and reproduction of the identification information is permitted only when the information obtained by encrypting these random numbers with the encryption key matches. Therefore, even if another recording / reproducing apparatus having a different encryption key tries to reproduce, it cannot be reproduced.

As a result, it is possible to construct a security system with high safety.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to illustrated embodiments.

FIG. 1 is an overall configuration diagram showing an embodiment of an ID card recording / reproducing apparatus according to the present invention, which is composed of a recording apparatus 2 for an ID card 1, a reproducing apparatus 3 and an overall control apparatus 4. ing.

As shown in FIG. 2, the ID card 1 uses a recording medium having an arithmetic processing unit 10 and a storage unit 11 built therein. Specifically, an IC card is used.

The arithmetic processing unit 1 of the ID card 1 of this embodiment
0 has a function of generating a random number and a function of encrypting this random number. Further, in the storage unit 11, an encryption key uniquely set for each recording / reproducing apparatus is stored in advance, and the recording apparatus 2 records identification information such as a facial photograph of a legitimate owner.

The recording device 2 includes a video camera 20 for inputting image information such as a facial photograph, a processing device 21 including a computer, a display device 22 for displaying information including an image, an ID.
The card 1 is composed of an input / output device 23 for recording identification information.

The reproducing device 3 is also a video camera 3 for inputting image information such as a facial photograph of the person who presented the ID card.
0, a processing device 31 including a computer, a display device 32 for displaying information including images, and an input / output device 33 for reproducing identification information from the ID card 1.

The overall control device 4 is for transmitting and receiving various kinds of information between the recording device 2 and the reproducing device 3, and is not always necessary depending on the purpose of application.

FIG. 3 is a block diagram showing the functional arrangement of the processing device 21 in the recording device 2. The image input portion 210,
An encoding unit 211, an information input unit 212, an information output unit 213 including an image, a combining unit 214, an encryption unit 215, and an input / output unit 216 are included.

The image input unit 210 is a portion for capturing the face image input from the camera 20, and the encoding unit 211 is a portion for encoding the captured face image.

The information input section 212 is a section for fetching information other than image information among the information recorded on the ID card 1 from a keyboard or other storage medium, and the output section 213 for information including an image is image information and other information. This is a part for outputting the information to be recorded in the ID card 1 to the display device 22. The synthesizing unit 214 synthesizes the image information encoded by the encoding unit 211 and the information input from the information input unit 212, and the encryption unit 215 uses the unique encryption key K determined for each recording / reproducing device. Is a part that encrypts the information combined by the combining unit 214.

The input / output unit 216 is a unit for outputting the encrypted information to the ID card 1 via the input / output device 23.

On the other hand, the processing device 31 in the reproducing device 3 is
As shown in FIG. 4, the image input unit 310 and the input / output unit 31
1, random number generator 312, encryption key confirmation unit 313, encrypted information decryption unit 314, information separation unit 315, image decryption unit 3
16, image information output unit 317, personal identification information input unit 31
8 and an information output unit 319 including an image.

The image input unit 310 takes in the face image input from the camera 30, and the input / output unit 311 inputs the encrypted identification information from the ID card 1 and I
This is a part for inputting information generated by the arithmetic processing unit 10 of the D card 1 and encrypted by the encryption key K.

The encryption key confirmation unit 313 is a random number generation unit 31.
The random number generated from 2 is encrypted with the encryption key K,
Further, it is checked whether or not the encrypted information and the encrypted information input from the input / output unit 311 match, and only when they match, the encrypted information decrypting unit 314 decrypts the encrypted identification information. is there. Encrypted information decryption unit 314
Only when the identity of the encryption key K is confirmed by the encryption key confirmation unit 313, the encrypted information input from the ID card 1 through the input / output unit 311 is used by using the encryption key K. The information separating unit 315 is a unit that separates the decoded information into image information and other information.

The image decoding unit 316 has an information separating unit 315.
The image information output unit 317 decodes the face information input from the image input unit 310 and the face image decoded by the image decoding unit 316.
This is the part that is output to and displayed in parallel on the screen.

The personal identification information input section 318 is used for the display device 3
As a result of collating the face images displayed in parallel on the screen of No. 2 by visual inspection or the like, when the two match and it is confirmed that the owner of the ID card 1 is a valid owner, it is a valid owner. It is to input the information that is confirmed. The output unit 319 of information including an image outputs the image information input from the image input unit 310, the information decoded by the image decoding unit 316, and the information input from the personal identification information input unit 318 to the display device 32. It is a thing.

Next, the operation of the above configuration will be described.

A. Recording Operation When the identification information including the face image of the owner himself / herself is recorded in the ID card 1, first, the face of the owner himself / herself is photographed by the camera 20 and input to the image input unit 210. Then, along with the face image, other information, such as the date of birth of the owner himself, the department code, etc., is input from the information input section 212. The input face image and other information are transferred to the image information output unit 21.
3 is displayed on the screen of the display device 22.

Further, the face image information is input to the encoding unit 211 and encoded there. The coded face image information is input to the combining unit 214 and combined with the information such as the date of birth input from the information input unit 212. Then, the combined information is input to the encryption unit 215, where the encryption key K
Encrypted by.

The encrypted information is input to the input / output device 23 via the input / output unit 216 and recorded by the input / output device 23 in the ID card 1 as identification information.

B. Reproducing Operation When reproducing the identification information recorded in the ID card 1, the owner himself / herself inserts the ID card 1 into the input / output device 33. Then, the information generated by the arithmetic processing unit 10 of the ID card 1 and encrypted by the encryption key K is input to the input / output unit 311.

On the other hand, the random number generation unit 312 generates a random number similar to that of the arithmetic processing unit 10 of the ID card 1 and inputs it to the encryption key confirmation unit 313. Therefore, the encryption key confirmation unit 313
Encrypts the random number generated from the random number generation unit 312 with the encryption key K, and further checks whether the encrypted information matches the encrypted information input from the input / output unit 311. Only, the storage unit 11 of the ID card 1
The identification information 110 stored in the input / output device 33 is read out.

The read identification information is input to the encryption information decryption unit 314 via the input / output unit 311, and is decrypted using the encryption key K here. Decoded identification information 110
Is separated into face image information and other information by the information separating unit 315. Then, the face image information is further decoded by the image decoding unit 316 and displayed on the screen of the display device 32 via the image information output unit 317.

At this time, the image of the face of the card owner photographed by the camera 30 is input in parallel to the image information output unit 317. Therefore, the display device 32 includes the camera 30
The images of the face of the card owner and the face reproduced from the ID card 1 are displayed in parallel.

On the other hand, other information other than the face image is input to the information output unit 319 and displayed in characters on the display device 32 via the information output unit 319.

As a result of the visual check or the like of the two face images displayed in parallel on the display device 32 by a security guard or the like, it is confirmed that the two match and the owner of the ID card 1 is a legitimate owner. In this case, information that the owner is confirmed to be the proper owner is input by the security guard or the like from the personal identification information input unit 318. By inputting this personal identification information, a door (not shown) is opened, and the card owner is permitted to enter the room.

As described above, in this embodiment, the identification information 110 such as the face image of the owner himself is coded and encrypted and recorded in the ID card 1, so that a person who does not know the encryption key can It becomes impossible to decipher the recorded identification information 110. Thereby, the confidentiality of the identification information 110 can be surely protected.

When reproducing, the reproduction device 3 and the ID
Random numbers are generated in each of the cards 1, and the reproduction of the identification information 110 is permitted only when the information obtained by encrypting these random numbers with the encryption key matches. Therefore, another recording / reproduction with different encryption keys is performed. If you try to play on the device, you cannot.

As a result, it is possible to construct a highly secure security system or the like.

[0038]

As described above, according to the present invention, the ID card is
Both the storage device and the storage / playback device have an arithmetic processing unit, encode information such as the face image of the owner, further encrypt the encoded information, and store the encrypted information. It is recorded as identification information in the ID card, and at the time of reproduction, the random numbers generated by the arithmetic processing unit and the reproducing device in the ID card are encrypted by the encryption key, and the results match and the ID card Since the reproduction of the identification information recorded in the ID card is permitted only when the authenticity of the reproducing apparatus is confirmed, a third party who does not know the encryption key cannot decrypt the identification information. It becomes impossible and the confidentiality of the identification information can be surely protected.

Further, even if the identification information recorded in the ID card is reproduced by another recording / reproducing apparatus having a different encryption key, it cannot be reproduced. As a result, it is possible to construct a highly secure security system or the like.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing an embodiment of an ID card recording / reproducing apparatus according to the present invention.

FIG. 2 is a block diagram showing an internal configuration of an ID card.

FIG. 3 is a block diagram functionally showing the configuration of the recording apparatus.

FIG. 4 is a block diagram functionally showing a configuration of a playback device.

[Explanation of symbols]

1 ... ID card, 2 ... recording device, 3 ... reproducing device, 10 ...
Arithmetic processing unit, 11 ... Storage unit, 20, 30 ... Television camera, 21, 31 ... Processing device, 22, 32 ... Display device, 2
3, 33 ... I / O device, 211 ... Encoding unit, 215 ... Encoding unit, 312 ... Random number generating unit, 313 ... Encryption key confirming unit, 314 ... Encrypted information decrypting unit.

Claims (1)

[Claims] 1. An arithmetic processing unit and a storage unit are built in, and a storage medium as an ID card in which a unique encryption key determined for each recording / reproducing apparatus is stored in advance in the storage unit, a photograph of the owner's face, etc. Is an ID card recording / reproducing apparatus for recording the identification information of the owner and reproducing the recorded identification information, and encoding means for encoding the identification information such as a face photograph of the owner himself, and the encoded identification. A recording device comprising an encryption means for encrypting information in accordance with an encryption key defined for each recording / reproducing device, and a recording device for storing the encrypted identification information in the storage section of the storage medium, and a recording device defined for each recording / reproducing device. Random number generating means for generating the generated random number, and the random number generated by the arithmetic processing unit when the identification information stored in the storage medium is reproduced, and the random number generated by the encryption key stored in the storage unit. Generated by the generating means The random number is collated with the information encrypted by the encryption key defined for each recording / reproducing device, and it is confirmed whether the two pieces of information match. Only when they match, the identification information stored in the storage section is read out. An ID card storage / reproduction device comprising: a reproduction device including a device and a reproduction device for decoding the read identification information.