Method and apparatus for issuing rights object required to use digital content

Abstract

Provided are a method and apparatus for issuing a rights object required to use digital content. The method includes receiving the digital content and the rights object; and encrypting the received rights object using a public key of a secure multimedia card (SMC) and storing the encrypted rights object in the SMC.

1 . A method of issuing a rights object required to use digital content, the method comprising:
 receiving the digital content and the rights object; and   encrypting the rights object using a public key of a secure multimedia card (SMC) and storing the encrypted rights object in the SMC.   
     
     
         2 . The method of  claim 1 , wherein the rights object can be moved and/or copied, when the right to move and/or copy the rights object is available. 
     
     
         3 . A method of issuing a rights object required to use digital content, the method comprising:
 selecting the digital content using a digital content purchase interface and paying for the digital content;   encrypting a rights object for the digital content using a binding target key; and   storing the encrypted rights object in a secure multimedia card (SMC).   
     
     
         4 . The method of  claim 3 , wherein the encrypting the rights object comprises encrypting the rights object using a key of the SMC. 
     
     
         5 . The method of  claim 3 , wherein the encrypting the rights object comprises encrypting the rights object using a key of a user. 
     
     
         6 . The method of  claim 3 , wherein the encrypting the rights object comprises encrypting the rights object using a key of a domain. 
     
     
         7 . The method of  claim 3 , wherein the encrypting the rights object comprises encrypting the rights object using a key of a host. 
     
     
         8 . The method of  claim 3 , wherein the binding target key is designated by one of a copyright issuer and a user. 
     
     
         9 . The method of  claim 3 , wherein the rights object can be moved and/or copied, when the right to move and/or copy the rights object is available. 
     
     
         10 . A method of issuing a rights object required to use digital content, the method comprising:
 forming a security channel with a digital content storage device after mutual authentication and receiving the rights object from the digital content storage device; and   decrypting the rights object using a binding target key and providing information required to play back the digital content.   
     
     
         11 . The method of  claim 10 , wherein the rights object is decrypted using a key of a secure multimedia card. 
     
     
         12 . The method of  claim 10 , wherein the rights object is decrypted using a key of a user. 
     
     
         13 . The method of  claim 10 , wherein the rights object is decrypted using a key of a domain. 
     
     
         14 . The method of  claim 10 , wherein the rights object is decrypted using a key of a host. 
     
     
         15 . An apparatus for issuing a rights object required to use digital content, the apparatus comprising:
 a purchase interface unit which receives information regarding the digital content selected by a user, the purchase interface unit being used by the user to pay for the digital content;   an encryption unit which encrypts the rights object for the digital content using a binding target key and stores the encrypted rights object in a secure multimedia card (SMC); and   a communication interface unit which communicates with the SMC.   
     
     
         16 . The apparatus of  claim 15 , wherein the encryption unit encrypts the rights object using a key of the SMC. 
     
     
         17 . The apparatus of  claim 15 , wherein the encryption unit encrypts the rights object using a key of the user. 
     
     
         18 . The apparatus of  claim 15 , wherein the encryption unit encrypts the rights object using a key of a domain. 
     
     
         19 . The apparatus of  claim 15 , wherein the encryption unit encrypts the rights object using a key of a host. 
     
     
         20 . The apparatus of  claim 15 , wherein the binding target key is designated by one of a copyright issuer and the user. 
     
     
         21 . The apparatus of  claim 15 , wherein the rights object can be moved and/or copied, when the right to move and/or copy the rights object is available. 
     
     
         22 . An apparatus for issuing a rights object required to use digital content, the apparatus comprising:
 a communication interface unit which forms a security channel with a secure multimedia card (SMC) after mutual authentication and receives the rights object from the SMC; and   a content provision unit which decrypts the rights object using a binding target key and provides information required to play back the digital content.   
     
     
         23 . The apparatus of  claim 22 , wherein the rights object is decrypted using a key of the SMC. 
     
     
         24 . The apparatus of  claim 22 , wherein the rights object is decrypted using a key of a user. 
     
     
         25 . The apparatus of  claim 22 , wherein the rights object is decrypted using a key of a domain. 
     
     
         26 . The apparatus of  claim 22 , wherein the rights object is decrypted using a key of a host. 
     
     
         27 . A computer readable recording medium storing a computer program for performing a method of issuing a rights object required to use digital content, the method comprising:
 receiving the digital content and the rights object; and   encrypting the rights object using a public key of a secure multimedia card (SMC) and storing the encrypted rights object in the SMC.   
     
     
         28 . A computer readable recording medium storing a computer program for performing a method of issuing a rights object required to use digital content, the method comprising:
 selecting the digital content using a digital content purchase interface and paying for the digital content;   encrypting a rights object for the digital content using a binding target key; and   storing the encrypted rights object in a secure multimedia card.   
     
     
         29 . A computer readable recording medium storing a computer program for performing a method of issuing a rights object required to use digital content, the method comprising:
 forming a security channel with a digital content storage device after mutual authentication and receiving the rights object from the digital content storage device; and   decrypting the rights object using a binding target key and providing information required to play back the digital content.