CN1206272A

5G,4G,3G,2G

Title

Enciphering apparatus and method deciphering apparatus and method as well as information processing apparatus and method

Application Number:

CN1998102937

Publication Date:

27-01-1999

Current Assignee:

Family ID:

Application Date:

23-04-1998

Declaring Company:

Publication Country:

US

Priority Date:

23-04-1997

Title

Enciphering apparatus and method deciphering apparatus and method as well as information processing apparatus and method

Application Number:

CN1998102937

Family ID:

Publication Country:

US

Publication Date:

27-01-1999

Application Date:

23-04-1998

Priority Date:

23-04-1997

Current Assignee:

Declaring Company:

Abstract  Abstract

The invention claims An encryption apparatus and method can reliably prevent illegal copying a decryption device and method and an information processing device and method. transmitting to a personal computer and a magneto-optical disk device through the 1394 bus by data encryption 1394 of the DVD player. not be decrypted through the 1394 interface in the user that the magnetic disk device disclosed herein the received data at the function of changing. On the contrary the function of changing the user in public personal computer decrypting the encrypted data using a time variable key by a 1394 interface decrypting and using the session key through the application zone further decrypting the decrypted result.

Note:

The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)

The information in grey was provided by the patent holder

The information in purple was extracted from the FrandAvenue

Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.

Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.