发明名称 |
Methods and apparatus for secure distribution of program content |
摘要 |
Methods and apparatus in accordance with the present invention are operable to carry out certain functions including: receiving an encrypted program at a processing apparatus; transmitting a machine ID over a network to an administrator; receiving registration data over the network from the administrator in response to the machine ID; transmitting the registration data over the network to a distributor; receiving an encrypted decryption key and an encrypted virtual ID at the processing apparatus over the network from the distributor in response to the registration data; decrypting the encrypted decryption key using the virtual ID, and decrypting the encrypted program using the decryption key; re-encrypting the program using the virtual ID; and storing the encrypted virtual ID and the re-encrypted program in a first storage device. |
申请公布号 |
US2003126430(A1) |
申请公布日期 |
2003.07.03 |
申请号 |
US20020316309 |
申请日期 |
2002.12.11 |
申请人 |
SONY COMPUTER ENTERTAINMENT INC. |
发明人 |
SHIMADA MUNEKI;OKADA TOYOSHI;KIMOTO YOUSUKE;KANEE KAZUHIRO;KOMAKI KENJIRO |
分类号 |
G06F21/00;H04L9/08;H04L29/06;(IPC1-7):H04L9/00 |
主分类号 |
G06F21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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