Recording and reproduction apparatus, medium and information assembly
First Claim
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1. A recording and reproduction apparatus comprising:
- a recording and reproduction control means of controlling recording in and reproduction from a main data recording region of a recording medium which has said main data recording region;
a command reception means of receiving both raw access commands and non-raw access commands; and
an authentication means of judging whether or not a command issuing origin should be authenticated based on the types of said received commands and of authenticating said command issuing origin according to the judgment result, whereinsaid recording and reproduction control means is decides to carry out said received commands in the case that it is not necessary to authenticate said command issuing origin and in the case that said command issuing origin is authenticated and this authentication has succeeded.
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Abstract
A recording and reproduction apparatus has
- a recording and reproduction control means of controlling recording in and reproduction from a main data recording region of a recording medium which has the main data recording region;
- a command reception means of receiving both raw access commands and non-raw access commands; and
- an authentication means of judging whether or not the command issuing origin should be authenticated based on the types of the received commands and of authenticating the command issuing origin according to the judgment result, wherein
- the recording and reproduction control means decides to carry out the received commands in the case that it is not necessary to authenticate the command issuing origin and in the case that the command issuing origin is authenticated and this authentication has succeeded.
1 Citation
11 Claims
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1. A recording and reproduction apparatus comprising:
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a recording and reproduction control means of controlling recording in and reproduction from a main data recording region of a recording medium which has said main data recording region; a command reception means of receiving both raw access commands and non-raw access commands; and an authentication means of judging whether or not a command issuing origin should be authenticated based on the types of said received commands and of authenticating said command issuing origin according to the judgment result, wherein said recording and reproduction control means is decides to carry out said received commands in the case that it is not necessary to authenticate said command issuing origin and in the case that said command issuing origin is authenticated and this authentication has succeeded. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. In a recording and reproduction apparatus receiving an access command from an external device, the access command being one of a raw access command and a non-raw access command, and the raw access command including one of read data and write data,
a method of controlling access to a data storage region in the recording and reproduction apparatus comprising the steps of: -
(a) receiving an access command from the external device;
(b) determining if the access command is a raw access command of read data;(c) if step (b) determines that the access command is a raw access command of read data, permitting access to the external device which issued the raw access command; (d) if step (b) determines that the access command is a raw access command of write data, performing the following steps; (i) authenticating the external device which issued the raw access command; and (ii) permitting access to the data storage region after authenticating the external device. - View Dependent Claims (9)
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10. A tangible program storage device readable by machine, embodying a program of instructions executable by the machine to perform method steps for recording and reproduction, said method comprising the steps of:
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controlling recording in and reproduction from a main data recording region of a recording medium which has said main data recording region; receiving both raw access commands and non-raw access commands; judging whether or not a command issuing origin should be authenticated based on the types of said received commands and of authenticating said command issuing origin according to the judgment result, and deciding whether or not to carry out said received commands in the case that it Is not necessary to authenticate said command issuing origin and in the case that said command issuing origin is authenticated and this authentication has succeeded.
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11. A computer program product comprising a tangible computer usable medium having computer readable program code means embodied therein for causing recording and reproduction, computer readable program code means in said computer program product comprising computer readable program code means for causing a computer to effect:
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controlling recording in and reproduction from a main data recording region of a recording medium which has said main data recording region; receiving both raw access commands and non-raw access commands; judging whether or not a command issuing origin should be authenticated based on the types of said received commands and of authenticating said command issuing origin according to the judgment result, and deciding whether or not to carry out said received commands in the case that it is not necessary to authenticate said command issuing origin and in the case that said command issuing origin is authenticated and this authentication has succeeded.
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Specification