RU2001112102A - SYSTEM AND METHOD OF PROTECTION AGAINST COPYING - Google Patents

SYSTEM AND METHOD OF PROTECTION AGAINST COPYING

Info

Publication number
RU2001112102A
RU2001112102A RU2001112102/09A RU2001112102A RU2001112102A RU 2001112102 A RU2001112102 A RU 2001112102A RU 2001112102/09 A RU2001112102/09 A RU 2001112102/09A RU 2001112102 A RU2001112102 A RU 2001112102A RU 2001112102 A RU2001112102 A RU 2001112102A
Authority
RU
Russia
Prior art keywords
data
data set
signature
host
random number
Prior art date
Application number
RU2001112102/09A
Other languages
Russian (ru)
Other versions
RU2213991C2 (en
Inventor
Петер ЗЕНЕ
Йорг ШЕПЕРС
Дитмар ЦАИГ
Михель СМОЛА
Original Assignee
Инфинеон Текнолоджиз Аг
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/167,273 external-priority patent/US6397333B1/en
Application filed by Инфинеон Текнолоджиз Аг filed Critical Инфинеон Текнолоджиз Аг
Publication of RU2001112102A publication Critical patent/RU2001112102A/en
Application granted granted Critical
Publication of RU2213991C2 publication Critical patent/RU2213991C2/en

Links

Claims (6)

1. Способ предотвращения несанкционированного копирования данных, включающий передачу однозначно определенных идентификационных данных устройства поставщику содержимого, добавление однозначно определенных идентификационных данных в качестве сигнатуры для аутентификации к набору данных для формирования набора данных, снабженных сигнатурой, копирование набора данных, снабженных сигнатурой, с однозначно определенными идентификационными данными от поставщика содержимого в устройство, кодирование набора данных в устройстве однозначно определенными идентификационными данными для формирования зашифрованных данных, передачу однозначно определенных идентификационных данных устройства в хост и считывание зашифрованных данных в хосте и декодирование зашифрованных данных для восстановления и использования набора данных в хосте.1. A method of preventing unauthorized copying of data, including transmitting uniquely defined identification data of the device to the content provider, adding uniquely identified identification data as an authentication signature to the data set to form a data set with a signature, copying the data set with a signature with uniquely identified identities data from the content provider to the device, encoding the data set in the device is one-shot but specific identification data to form encrypted data transmission of unique identification data to the host device and reading of encrypted data in the host and decoding the encrypted data for the recovery and use of the data set in the host. 2. Способ по п.1, отличающийся тем, что дополнительно включает в себя генерирование случайного числа в хосте и передачу случайного числа в устройство, причем этап кодирования включает в себя кодирование набора данных динамическим ключом, сформированным с помощью однозначно определенных идентификационных данных и случайного числа.2. The method according to claim 1, characterized in that it further includes generating a random number in the host and transmitting the random number to the device, the encoding step including encoding the data set with a dynamic key generated using uniquely determined identification data and a random number . 3. Способ по п.1, отличающийся тем, что включает формирование сигнатуры для аутентификации из однозначно определенных идентификационных данных и ключа индивидуального пользования поставщика и, после этапа копирования, проверку набора данных, снабженного сигнатурой, с помощью ключа индивидуального пользования по отношению к ключу открытого пользования, имеющемуся в устройстве.3. The method according to claim 1, characterized in that it includes generating a signature for authentication from the uniquely identified identification data and the supplier’s individual key and, after the copying step, verifying the data set provided with the signature with the individual key in relation to the public key use available on the device. 4. Способ по п.1, отличающийся тем, что включает проверку набора данных, снабженного сигнатурой, в устройстве и, если сигнатура для аутентификации в наборе данных, снабженном сигнатурой, не согласуется с однозначно определенными идентификационными данными устройства, блокирование любого вывода набора данных в хост.4. The method according to claim 1, characterized in that it includes checking the data set provided with a signature in the device and, if the signature for authentication in the data set equipped with a signature does not match the device’s uniquely determined identification data, blocking any output of the data set in host 5. Система защиты от копирования, содержащая устройство, имеющее однозначно определенные идентификационные данные и имеющее вход для приема данных, снабженных сигнатурой, образованных из набора данных и однозначно определенных идентификационных данных, контроллер в упомянутом устройстве, предназначенный для аутентификации данных, снабженных сигнатурой, в качестве авторизованных данных, для сохранения набора данных в упомянутом устройстве и для кодирования набора данных заданным ключом для формирования зашифрованных данных, хост, соединенный с упомянутым устройством, предназначенный для приема зашифрованных данных от упомянутого устройства, дешифрирования зашифрованных данных и обработки набора данных.5. A copy protection system comprising a device having uniquely defined identification data and having an input for receiving data provided with a signature formed from a data set and uniquely determined identification data, a controller in said device for authenticating data with a signature as authorized data, to save the data set in the aforementioned device and to encode the data set with the specified key to generate encrypted data, the host, with of the connections to said device for receiving encrypted data from said device, deciphering the encrypted data and processing the data set. 6. Система по п.5, отличающаяся тем, что упомянутый хост содержит генератор случайных чисел, причем случайное число, генерируемое в упомянутом хосте, включается в упомянутый заданный ключ.6. The system according to claim 5, characterized in that said host comprises a random number generator, wherein a random number generated in said host is included in said predetermined key.
RU2001112102/09A 1998-10-07 1999-10-06 Copy protection system and method RU2213991C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/167,273 1998-10-07
US09/167,273 US6397333B1 (en) 1998-10-07 1998-10-07 Copy protection system and method

Publications (2)

Publication Number Publication Date
RU2001112102A true RU2001112102A (en) 2003-05-27
RU2213991C2 RU2213991C2 (en) 2003-10-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001112102/09A RU2213991C2 (en) 1998-10-07 1999-10-06 Copy protection system and method

Country Status (12)

Country Link
US (1) US6397333B1 (en)
EP (1) EP1123531B8 (en)
JP (1) JP2002527008A (en)
KR (1) KR20010085892A (en)
CN (1) CN1205520C (en)
AT (1) ATE465442T1 (en)
BR (1) BR9914317A (en)
DE (1) DE69942277D1 (en)
MX (1) MXPA01003577A (en)
RU (1) RU2213991C2 (en)
UA (1) UA65637C2 (en)
WO (1) WO2000020948A1 (en)

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