Abstract: Embodiments show an apparatus for verifying a validity of an encrypted token associated to a product, wherein the apparatus has a decryptor for decrypting an encrypted token using a decryption key to obtain a decrypted token having information bits related to the product and structure bits. The apparatus further has an evaluator for evaluating whether the structure bits fulfill a predetermined condition, wherein the encrypted token is verified to be valid when the predetermined condition is fulfilled or is not verified to be valid when the predetermined condition is not fulfilled. Further embodiments show an apparatus for generating an encrypted token associated to a product, wherein the apparatus has a plain token generator and an encryptor for encrypting the plain token using an encryption key to obtain an encrypted token.

Abstract: Embodiments show an apparatus for verifying a validity of an encrypted token associated to a product, wherein the apparatus has a decryptor for decrypting an encrypted token using a decryption key to obtain a decrypted token having information bits related to the product and structure bits. The apparatus further has an evaluator for evaluating whether the structure bits fulfill a predetermined condition, wherein the encrypted token is verified to be valid when the predetermined condition is fulfilled or is not verified to be valid when the predetermined condition is not fulfilled. Further embodiments show an apparatus for generating an encrypted token associated to a product, wherein the apparatus has a plain token generator and an encryptor for encrypting the plain token using an encryption key to obtain an encrypted token.

Abstract: Embodiments show an apparatus for verifying a validity of an encrypted token associated to a product, wherein the apparatus has a decryptor for decrypting an encrypted token using a decryption key to obtain a decrypted token having information bits related to the product and structure bits. The apparatus further has an evaluator for evaluating whether the structure bits fulfill a predetermined condition, wherein the encrypted token is verified to be valid when the predetermined condition is fulfilled or is not verified to be valid when the predetermined condition is not fulfilled. Further embodiments show an apparatus for generating an encrypted token associated to a product, wherein the apparatus has a plain token generator and an encryptor for encrypting the plain token using an encryption key to obtain an encrypted token.

Abstract: For converting a first representation of a media content into a second representation of the media content, a data entity builder is used, which generates a data entity being the second representation of the media content. The data entity builder generates a second representation indicator, at least one regenerated media file and a payload data schedule, the payload data schedule having schedule information indicating, for each regenerated media file, the start of the payload information of the media file. The regenerated media file represents the same media content as represented by the original media file in the first representation.

Abstract: An apparatus for writing checksum information on a data content on a storage medium. The apparatus has a provider for providing checksum information based on the data content and a writer for writing the data content and the checksum information on the storage medium such that a baseline reader and an enhanced reader can read the data content, the enhanced reader can read and process the checksum information, and the baseline reader ignores, skips or does not read the checksum information.

Abstract: Embodiments show an apparatus for verifying a validity of an encrypted token associated to a product, wherein the apparatus has a decryptor for decrypting an encrypted token using a decryption key to obtain a decrypted token having information bits related to the product and structure bits. The apparatus further has an evaluator for evaluating whether the structure bits fulfill a predetermined condition, wherein the encrypted token is verified to be valid when the predetermined condition is fulfilled or is not verified to be valid when the predetermined condition is not fulfilled. Further embodiments show an apparatus for generating an encrypted token associated to a product, wherein the apparatus has a plain token generator and an encryptor for encrypting the plain token using an encryption key to obtain an encrypted token.

Abstract: A hardware multimedia endpoint is located on an adapter card of a personal computer system and comprises an interface for interfacing to the computer system and a processor for receiving cryptographic information from the computer, for processing the cryptographic information and for outputting cryptographic information to the computer. This exchange of cryptographic information is performed such that an authentication procedure with a third party, which is different from the computer, is established for the purpose of decrypting encrypted media content.

Abstract: A hardware multimedia endpoint is located on an adapter card of a personal computer system and comprises an interface for interfacing to the computer system and a processor for receiving cryptographic information from the computer, for processing the cryptographic information and for outputting cryptographic information to the computer. This exchange of cryptographic information is performed such that an authentication procedure with a third party, which is different from the computer, is established for the purpose of decrypting encrypted media content.

Abstract: A method for signing a data package uses a signing apparatus, the signing apparatus having a binary identification code comprises the step of providing a set of node keys and a check value for the data package and the step of determining a signature block having a plurality of signature fields. In addition, the method comprises the step of providing the binary identification code of the signing apparatus and the signature block in order to sign the data package.

Abstract: An apparatus for writing data to a medium. The apparatus has a receiver for receiving a write request and encrypted data from a data provider. The apparatus further has a creator for creating a medium ID upon reception of the write request. Furthermore, the apparatus has a provider for providing the medium ID to the data provider for generating the encrypted data and a storage for storing the encrypted data on the medium and for storing the medium ID on the medium upon creation of the medium ID, wherein the encrypted data is encrypted based on the medium ID.

Abstract: An apparatus for writing checksum information on a data content on a storage medium. The apparatus has a provider for providing checksum information based on the data content and a writer for writing the data content and the checksum information on the storage medium such that a baseline reader and an enhanced reader can read the data content, the enhanced reader can read and process the checksum information, and the baseline reader ignores, skips or does not read the checksum information.

Abstract: Apparatus for writing data and redundancy data on a storage medium, the storage medium having a defined geometrical structure, the apparatus has a writer for writing data and redundancy data onto the storage medium such that a geometrical distance between the data and the redundancy data is larger than a predefined distance, and for generating and writing redundancy location data identifying a location of the redundancy data on the storage medium.

Abstract: The present invention relates to a method for transmitting information between a computer device and a consumer electronic device (CE device) having a storage unit, the CE device being adapted to present the computer device a file system when connected with each other, having the steps of: writing a file, advantageously a small file, having a predetermined filename and containing the information to be transmitted in the file system of the CE device; reading the file having the predetermined filename and with the information contained; wherein the writing and reading steps are alternately performed by the computer device and the CE device for transmitting respective information from one device to the other.

Abstract: An apparatus for writing data having a data amount on a storage medium, the storage medium having a limited data capacity being higher than the data amount, the apparatus having a processor for receiving information on the data amount and the data capacity on the storage medium and for determining a redundancy data amount based on the data amount and the data capacity. The apparatus further has a generator for generating redundancy data based on the data, the redundancy data having the redundancy data amount and, furthermore, the apparatus having a writer for writing the data at the redundancy data to the storage medium.

Abstract: A media burning terminal having an account comprises a user interface for receiving a user input requesting a specified piece of digital content and further comprises a network interface for communicating with a clearing-house server managing the account, and for communicating with a license server. The media burning terminal further comprises a recorder for recording digital content on a portable medium and a controller for reading the user input, communicating with the clearing-house server for ordering a license for the specified piece of digital content using the account, for receiving the license from the license server, and for decrypting the specified piece of digital content using the license and controlling the recorder so that the recorder records the decrypted specified piece of digital content on the portable medium.

Abstract: A concept for digital content protection makes use of a storage medium having an encrypted data content, being encrypted using a data content key such that the data content key can be decrypted using a first cryptographic method, a first-method-encrypted version of the data content key, encrypted such that it can be decrypted using a first cryptographic method media key, a second-cryptographic-method encrypted data content key, which is an encrypted representation of the data content key or the first-method-encrypted data content key, encrypted such that the data content key or the first-method-encrypted data content key can be derived from the second method encrypted data content key using a second cryptographic method media key.

Abstract: A hardware multimedia endpoint is located on an adapter card of a personal computer system and comprises an interface for interfacing to the computer system and a processor for receiving cryptographic information from the computer, for processing the cryptographic information and for outputting cryptographic information to the computer. This exchange of cryptographic information is performed such that an authentication procedure with a third party, which is different from the computer, is established for the purpose of decrypting encrypted media content.

Abstract: A method for signing a data package uses a signing apparatus, the signing apparatus having a binary identification code comprises the step of providing a set of node keys and a check value for the data package and the step of determining a signature block having a plurality of signature fields. In addition, the method comprises the step of providing the binary identification code of the signing apparatus and the signature block in order to sign the data package.

Abstract: For establishing a communication key (KB) for a communication between a first communication partner (13) and a second communication partner (12), a third party (15) is used. After establishing a communication key between the first communication partner (13) and the third party (15) based on an identification of the first communication partner an encryption key is established between the third party and the second communication partner based on an identification of the second communication partner. Then, the communication key is encrypted using the encryption key and sent to the second communication partner, which then decrypts the communication key so that the first communication partner and the second communication partner have the same key without having to directly communicate to each other for key exchange reasons.

Abstract: A license server for granting licenses in response to a user request receives a content identifier from a user identifying a content having associated therewith a user key necessary for decrypting an encrypted version of the content. Furthermore, a license terms provider for providing license terms in response to the content identifier is present. The license terms are independent of an identification of the user and restrict the use of the content. An output interface provides the license terms and the encrypted version of the content key to the user.