KR100821080B1 - Securities, and Methods for Manufacturing and Examining the Same - Google Patents

Abstract

The present invention relates to money, securities or documents with RFID and barcodes to prevent forgery or tampering with money, securities or documents. According to the present invention, the electronic signature of the institution guaranteeing the authenticity of the money, securities or documents is encrypted and stored in the RFID or barcode. Thus, counterfeiting of commercially available money, securities or documents can be prevented. In addition, the currency, securities or documents can be easily found if they are forged.

Currency, Securities, Counterfeiting, Tampering, RFID, Barcodes

Description

Securities, Methods for Manufacturing and Examination of {Securities, and Methods for Manufacturing and Examining the Same}

1 illustrates a currency with RFID and a barcode in accordance with the present invention.

Figure 2 is a flow chart illustrating a process of recording information in the RFID and bar code in the process of manufacturing money according to the present invention.

Figure 3 is a flow chart illustrating a process of checking whether the forgery of money in accordance with the present invention.

The present invention relates to money, securities or documents with RFID and barcodes to prevent forgery or tampering with money, securities or documents. According to the present invention, the electronic signature of the institution guaranteeing the authenticity of the money, securities or documents is encrypted and stored in the RFID or barcode. Thus, counterfeiting of commercially available money, securities or documents can be prevented. In addition, the currency, securities or documents can be easily found if they are forged.

To date, a technology for preventing counterfeiting of money, securities, or other documents (collectively referred to as "securities" in these currencies, securities, or other documents), including watermark, silver wire, and light Interference patterns and the like were used. However, there is a problem that securities manufactured by such anti-counterfeiting technology can be easily forged or tampered with by color copying machines or scanners.

In particular, as high value money or high value securities are gradually distributed, more powerful anti-counterfeiting technology is needed to prevent counterfeiting of such money or securities. In other words, as the face value of money or securities increased greatly, the necessity of preventing counterfeiting of these money or securities increased even though the cost of manufacturing these money or securities increased slightly.

The present invention has been made to solve the problems described above, in the present invention, in order to prevent the forgery and / or tampering of the security securities, RFID (radio frequency identification tag) and barcode is attached to the security securities. Therefore, counterfeiting of securities can be prevented in advance. In addition, it can be easily found if the securities are forged.

Accordingly, an object of the present invention is to provide a security that can prevent counterfeiting. It is also an object of the present invention to provide a method for producing the security. It is also an object of the present invention to provide a method for checking whether or not the security of the security.

The present invention relates to a security having an anti-counterfeiting RFID and a bar code. In the present invention, the RFID may be inserted between the papers constituting the security, or attached to the security. In addition, the barcode is printed such that it can be optically read at a predetermined position on the security.

Either the RFID or the bar code is encrypted and stored in the electronic signature (Asg: Authority Signature) of the institution that guarantees the authenticity of the security, the other is a decryption key for decrypting the encrypted electronic signature is encrypted Stored. The encrypted and stored decryption key can be decrypted by another key held by the authority.

In addition, the present invention is a method of manufacturing a security for preventing forgery or tampering,

Institutions that guarantee the authenticity of the securities include the first public key (Mpu), the first private key (Mpr: Monetary Private Key), the second public key (Apu), and the second private key. Generating an Authority Private Key (Apr);

Encrypting (E _Apu (Mpr)) the first private key (Mpr) using the second public key (Apu);

Storing the encrypted value E _Apu (Mpr) in any one of an RFID and a barcode;

Encrypting an electronic signature (Asg) of the institution (E _Mpu (Asg)) using the first public key (Mpu);

_Storing the encrypted value E _Mpu (Asg) in another one of an RFID and a barcode; And

Inserting the RFID between the papers constituting the security, or attaching the RFID to the security, and printing the barcode on the security.

In addition, the present invention is a method for checking whether the security is forged,

Reading information stored in the RFID and barcode of the securities in a reader;

Transmitting the read information to an institution that guarantees the authenticity of the security;

The institution decrypts the information E _Apu (Mpr) stored in any one of the RFID and the barcode (D _Apr (E _Apu (Mpr))) by using a second private key Apr. The first private key Mpr. Obtaining;

By using the obtained first private key (Mpr) to decrypt the information E _Mpu (Asg) stored in the other one of the RFID and the barcode (D _Mpr (E _Mpu (Asg))), the digital signature (Asg) Obtaining; And

Verifying the electronic signature (Asg) in the institution to determine whether the securities have been forged.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention is not limited by the following examples.

1 illustrates a currency 30 with an RFID 10 and a barcode 20 in accordance with the present invention.

The RFID 10 is inserted between both papers constituting the money, and the barcode 20 is printed on the money 30. As the barcode 20, a two-dimensional barcode 20 is preferably used.

Any one of the RFID 10 or the barcode 20 (for example, the barcode 20) is encrypted and stored in an electronic signature (Asg) of an institution that guarantees the authenticity of the money.

Here, the institution that guarantees the authenticity of the money may be a mint construction that manufactures the money, a ticketing bank that issues the money, or a financial authority that manages and supervises the circulation of the money.

The electronic signature (Asg) of the institution includes an indication (electronic signature) or a unique number assigned to each currency indicating that the currency was not forged or tampered with and manufactured or issued by the institution.

The other of the RFID 10 or the barcode 20 (for example, the RFID 10) stores a decryption key capable of decrypting the encrypted electronic signature stored in the barcode 20 by another encryption key. do. As described above, the decryption key encrypted and stored in the RFID 10 can be decrypted by another decryption key held by the organization.

Hereinafter, referring to FIG. 2, a process in which information is recorded in the RFID 20 and the barcode 30 of the currency 10 shown in FIG. 1 will be described. In the present embodiment, the digital signature (Asg) and the like are encrypted using the encryption method of the public key infrastructure.

First, a money public key (Mpu), a money private key (Mpr), an engine public key (Apu), and an engine private key (Apr) are generated by an institution guaranteeing the authenticity of money (S110). The monetary public key and the monetary private key are public keys / private keys assigned to each currency. The organization public key and organization private key are public / private keys assigned to the organization, and the organization private key is held only by the organization.

The institution encrypts a monetary private key (Mpr) assigned to each currency using an engine public key (Apu) (E _Apu (Mpr)) (S120), which one of the RFID (10) or bar code 20 Store in In the present embodiment, the encrypted value is stored in the RFID 10 (S130).

Meanwhile, the electronic signature (Asg) of the institution is encrypted with a currency public key (Mpu) assigned to each currency (E _Mpu (Asg)) (S130), which is _assigned to the other one of the RFID 10 or the barcode 20. Save it. In the present embodiment, the encrypted value is recorded in the barcode 20 (S150).

In the steps S130 and S140, respectively, the RFID 10 and the bar code 20 containing the encrypted values are inserted or attached to the money 30 or printed on the money 30, as shown in FIG. 1. Money 30 may be manufactured.

Hereinafter, with reference to Figure 3, the process of checking whether the currency according to the present invention is forged.

When the money 30 is received at a bank or a store, information (encryption value) stored in the RFID 10 and the barcode 30 of the currency 30 is read using a reader capable of reading the information contained in the RFID and the barcode. ) Is read (S210), and the read value is transmitted to the institution (S220).

Thereafter, the institution decrypts the encryption value E _Apu (Mpr) stored in the RFID using the institution private key (Apr) (D _Apr (E _Apu (Mpr)) = Mpr), and the currency private key (Mpr). It is obtained (S230).

Thereafter, the cryptographic value E _Mpu (Asg) stored in the barcode is decrypted using the currency private key (Mpr) obtained in step S230 (D _Mpr (E _Mpu (Asg)) = Asg), the institution Extract the digital signature (Asg) (S240).

Thereafter, by verifying the electronic signature extracted in the step (S240), it is confirmed whether the currency is a genuine original or the currency is forged or tampered, and authenticates the confirmed information, and provides to the occupant of the currency (S250). ).

According to the present invention, the electronic signature of the institution guaranteeing the authenticity of the security is encrypted and stored in the RFID or barcode. In addition, since the decryption key capable of decrypting the encrypted digital signature is encrypted again and stored in the RFID or barcode, it is possible to further strengthen the security of the security and the prevention of forgery and alteration.

Therefore, forgery of the securities is practically impossible, and counterfeiting of the securities can be prevented in advance. In addition, even if the security is forged, it can be easily found.

The embodiment according to the present invention is not limited to the above-described embodiments, and various alternatives, modifications, and changes can be made without departing from the scope of the present invention.

Claims (9)

delete A security having an RFID tag and a barcode, The RFID tag is inserted between the papers constituting the security, or attached to the security, The barcode is printed on the security, Any one of the RFID tag or bar code is characterized in that the electronic signature (Asg) of the institution that guarantees the authenticity of the security is encrypted and stored. 3. The security of claim 2, wherein a decryption key capable of decrypting the encrypted electronic signature is encrypted and stored in the other one of the RFID tag or the barcode. A security having an RFID tag and a barcode, The RFID tag is inserted between the papers constituting the security, or attached to the security, The barcode is printed on the security, Either of the RFID tag or bar code is stored in the electronic signature (Asg) of the institution that guarantees the authenticity of the securities stored in the value E _Mpu (Asg) encrypted by the first public key (Mpu) stock. The method according to claim 4, wherein the other one of the RFID tag or the barcode has a first private key (Mpr) for decrypting the encrypted value E _Mpu (Asg) of the electronic signature by a second public key (Apu). (E _Apu (Mpr)) securities, characterized in that stored. 6. The value E _Apu (Mpr) of claim 5, wherein the first private key (Mpr) is encrypted by a second public key (Apu), is decrypted by a second private key (Apr) held by the authority. Securities characterized in that. A method of manufacturing a security to prevent forgery or tampering, Generating a first public key (Mpu), a first private key (Mpr), a second public key (Apu), and a second private key (Apr) at an institution that guarantees the authenticity of the security; Encrypting (E _Apu (Mpr)) the first private key (Mpr) using the second public key (Apu); Storing the encrypted value E _Apu (Mpr) in any one of an RFID tag and a barcode; Encrypting (E _Mpu (Asg)) the electronic signature (Asg) of the institution using the first public key (Mpu); _Storing the encrypted value E _Mpu (Asg) in another one of an RFID tag and a barcode; And Inserting the RFID tag between papers constituting the security, or attaching the RFID tag to the security, and printing the barcode on the security. As a way to check whether a security is counterfeit, Reading information stored in an RFID tag and a barcode of the securities in a reader; Transmitting the read information to an institution that guarantees the authenticity of the security; The institution decrypts the information E _Apu (Mpr) stored in any one of the RFID tag and the barcode by using a second private key Apr (D _Apr (E _Apu (Mpr))), and the first private key ( Obtaining Mpr); The information E _Mpu (Asg) stored in the other of the RFID tag and the barcode is decrypted using the obtained first private key (Mpr) (D _Mpr (E _Mpu (Asg))), and the digital signature (Asg) Obtaining a; And And verifying whether the securities have been forged by verifying the electronic signature (Asg) in the institution. As a way to check whether a security is counterfeit, An institution guaranteeing the authenticity of the securities decodes the information E _Apu (Mpr) stored in any one of an RFID tag and a barcode provided in the securities using a second private key Apr (D _Apr (E _Apu). (Mpr))), obtaining a first private key Mpr; The information E _Mpu (Asg) stored in the other of the RFID tag and the barcode is decrypted using the obtained first private key (Mpr) (D _Mpr (E _Mpu (Asg))), and the digital signature (Asg) Obtaining a; And And verifying whether the securities have been forged by verifying the electronic signature (Asg) in the institution.

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