Abstract: A method for using a network and a secure element, whereby the secure element of a device receives a request for usages data from the device. The secure element sends the usage data to the device in response to the request. The usage data enable the device to use the network. The secure element applies a timer to measure a delay time. The device shall only use the network, after the delay time has expired. The secure element prevents the usage of the network by the device until the delay time has expired.

Abstract: A method for secured data transmission of visually encoded data from a mobile end device to a processing unit includes supplying on a security element of the end device a datum to be transmitted. The datum is encrypted in session-specific fashion through the security element. From the encrypted datum visually encoded image data are generated in the form of a bar code or a sequence of bar codes. The visually encoded image data are displayed through the end device.

Abstract: The invention creates a method for loading an electronic amount of money represented as a random number sequence to a portable data carrier, with a conversion of the random number currency to the data carrier currency, and a disbursement of one or several money unit(s) from a portable data carrier, with a conversion of the data carrier currency to the random number currency.

Abstract: A method for providing a secure element having a processor and a memory of a mobile terminal with a target subscription profile for communicating via a target mobile network comprises the steps of: providing as a first part of the target subscription profile a subscription management interface to the secure element; implementing the subscription management interface on the secure element; and providing as a second part of the target subscription profile subscription data in a format defined by the operator of the target mobile network to the secure element, wherein the subscription management interface allows the secure element to process the subscription data and to implement the target subscription profile thereon for allowing access to the target mobile network. A corresponding secure element, mobile terminal and subscription management backend system includes features associated with the method.

Abstract: A method for installing an application in a security element of a portable end device comprises the following steps: the installation device receives an installation job for installing a pre-specified application on a pre-specified security element. The job is processed by the installation device which receives the installation job from the pre-specified security element itself or from a further security element different from the pre-specified security element.

Abstract: A method for producing a foil which serves as a carrier of at least one electronic device and at least one contactless and/or contact-type interface, involves using a transparent foil as a foil and electrical conducting paths on the foil are printed by means of a transparent, electrically conductive material in order to electroconductively connect the electronic device with the interface. Further, the foil can be used for producing a portable data carrier.

Abstract: A portable dual-interface data carrier contains a metal sheet which can be provided with low technical effort and especially no ferrite material is required. The resulting portable dual-interface data carrier is more heavy than a state of the art PVC smart card and provides contact based interface on one side, whereas contactless interfaces is working from both sides of the card. One application domain of the data carrier is to provide a so-called smartcard. The present invention is furthermore directed towards a dual-interface module as well as towards a method for providing a portable dual-interface data carrier. Moreover, a data carrier is suggested comprising instructions for performing the suggested method and for manufacturing the portable dual-interface data carrier.

Abstract: A layer arrangement is provided for manufacturing an interference-optimized, metal and card-shaped data carrier and to a layer laminate comprising the layer arrangement.

Abstract: The invention provides a processor device having an executable, white-box-masked implementation of a cryptographic algorithm implemented thereon. The white-box masking comprises an affine mapping A, which is so designed that every bit in the output values w of the affine mapping A depends on at least one bit of the obfuscation values y, thereby attaining that the output values w of the affine mapping A are statistically balanced.

Abstract: Methods are provided for testing and hardening software applications for the carrying out digital transactions which comprise a white-box implementation of a cryptographic algorithm. The method comprises the following steps: (a) feeding one plaintext of a plurality of plaintexts to the white-box implementation; (b) reading out and storing the contents of the at least one register of the processor stepwise while processing the machine commands of the white-box implementation stepwise; (c) repeating the steps (a) and (b) with a further plaintext of the plurality of plaintexts N-times; and (d) statistically evaluating the contents of the registers and the plaintexts, the intermediate results and/or the ciphertexts generated from the plaintexts by searching for correlations between the contents of the registers and the plaintexts, the intermediate results and/or the ciphertexts generated from the plaintexts to establish the secret key.

Abstract: A foil composite material usable as a layer in a card body of a portable data carrier, that includes one outer plastic layer, one inner plastic layer and one second outer plastic layer. All the layers jointly form a coextruded composite, and the plastic of one outer layer is a thermoplastic polymer or a mixture thereof. The plastic of the one inner layer is a mixture of at least one thermoplastic elastomer and at least one thermoplastic polymer. The plastic of the second outer layer is a thermoplastic polymer or a mixture thereof.

Abstract: A portable data carrier has a contactless interface which serves for transmitting energy and data between the data carrier and an external terminal. A first chip serves for processing the data and is supplied with energy and data by the contactless interface. The data carrier comprises a body which is at least partly light-transmissive at least on one area, wherein the data carrier has a light source which extends areally at least over a part of the area of the data carrier and emits light uniformly or non-uniformly over the areal extension.

Abstract: A processor device has an executable implementation of a cryptographic algorithm implemented thereon that is white-box-masked by a function f. The implementation comprises an implemented computation step S by which input values x are mapped to output values s=S[x], and which is masked to a white-box-masked computation step T? by means of an invertible function f. As a mapping f there is provided a combination (f=(c1, c2, . . . )*A) of an affine mapping A having an entry width BA and a number of one or several invertible mappings c1, c2, . . . having an entry width Bc1, Bc2, . . . respectively, wherein BA=Bc1+Bc2+ . . . . Output values w are generated altogether by the mapping f. The affine mapping A is constructed by a construction method coordinated with the invertible mappings c1, c2, and etc.

Abstract: A laminating body for laminating a foil onto a substrate includes a pressure area on which there is imprinted a structure which forms an embossing in the foil upon lamination of the foil onto the substrate.

Abstract: Provided are a method for personalizing a security element for a mobile end device for communicating via a mobile radio network as well as a corresponding system. The method comprises the following steps: supplying initialization data of an initialization entity to the security element, wherein the initialization data comprise a personalization token; supplying the personalization token from the security element to a personalization entity; checking the validity of the personalization token through the personalization entity; and after successfully checking the validity of the personalization token, supplying personalization data from the personalization entity to the security element, wherein authorization data for authenticating the security element in encrypted form are already part of the initialization data and the personalization data comprise a key for decrypting the authorization data.

Abstract: A method and a server for providing transaction keys for a transaction system includes transaction units which use pre-delivered transaction keys, and are provided by a key provisioning server and wherein the transaction key usage is checked by a transaction checking server. A transaction key is derived from a master key of a transaction unit, wherein a varying derivation parameter is used in the step of deriving. The step of deriving comprises a first sub step of deriving a key from the master key and a second sub step of deriving the transaction key from the derived key. The first sub step or the second sub step of deriving is performed dependent on a security level of the transaction unit.

Abstract: A method is supplied for operating a computer unit, wherein on the computer unit an application can be executed which can access the functions of a crypto API, wherein the functions of the crypto API can be supplied by at least one crypto implementation on the computer unit. The method therein includes the following steps of: executing the application on the computer unit; checking what crypto implementations are available on the computer unit; and selecting one of the available crypto implementations as that crypto implementation which supplies the functions of the crypto API.

Abstract: A portable data carrier comprises a first electrical oscillating circuit, which includes a first antenna coil and a first electrical load, and at least one second electrical oscillating circuit, which comprises a second antenna coil and a second electrical load. The first antenna coil and the second antenna coil are geometrically arranged relative to each other such that there is no mutual inductance between the first antenna coil and the second antenna coil.

Abstract: An easily manufacturable multilayer security element has an opaque functional layer that is arranged between two build-up layers of transmissive material. The opaque functional layer has at least one cutout. The layers are connected by lamination to form an areal body with planar surfaces. The cutout is filled up with transmissive material of the build-up layers. One build-up layer supports a feature carrier layer. A security feature, which is arranged at least partially below the cutout, is formed in the feature carrier layer and/or between the functional layer and the feature carrier layer. The cutout forms an inner window through which the security feature is recognizable.

Abstract: A method is provided for displaying confidential information, such as a cash-card secret code and/or a credit-card secret code. If the information transmitted to a service facility matches the information deposited there, the confidential information is displayed on a display device arranged on a user's head.