Abstract: A secure memory device for a smart card with a modem interface comprising a rewritable memory such as an EEPROM, a processing unit or a microprocessor, an on-chip oscillator, an ISO 7816 interface, a one-wire modem interface, and characterized in that both communication interfaces are bidirectional and share the same I/O terminal. The modem interface is exchanging data with the host in the form of a modulated signal by means of a card reader characterized by the absence of processing means.

Abstract: Systems, devices and/or methods that facilitate mutual authentication for processor and memory pairing are presented. A processor and a suitably equipped memory can be provided with a shared secret to facilitate mutual authentication. In addition, the memory can be configured to verify that the system operating instructions have not been subjected to unauthorized alterations. System integrity can be ensured according to the disclosed subject matter by mutual authentication of the processor and memory and verification of the authenticity of system operating instructions at or near each system power up. As a result, the disclosed subject matter can facilitate relatively low complexity assurance of system integrity as a replacement or supplement to conventional techniques.

Abstract: The claimed subject matter can provide an architecture that can transparently provide more robust interactions between a host device and a smartcard or other mass media storage device by way of block level read or write operations provided as part of a standard interface protocol. A virtual controller can be installed on the smartcard to manage access to the data store of a smartcard. The virtual controller can provide special objects (e.g., files, directories, partitions . . . ) to the host, and upon an access to one of these special files, call an application to manage pre- or post-processing of the data transferred between the host and the smartcard.

Abstract: The claimed subject matter can provide an architecture that can transparently provide more robust interactions between a host device and a smartcard or other mass media storage device by way of block level read or write operations provided as part of a standard interface protocol. A virtual controller can be installed on the smartcard to manage access to the data store of a smartcard. The virtual controller can provide special objects (e.g., files, directories, partitions . . . ) to the host, and upon an access to one of these special files, call an application to manage pre- or post-processing of the data transferred between the host and the smartcard.

Abstract: A memory card or smart card for emitting sound signals. The card incorporates at least one controlling electronic micromodule which includes in particular processor circuits and a memory in which binary data is stored. An excitation device is connected to the micromodule to convert the binary data into sound signals. A vibrating membrane is connected to the excitation device to emit the sound signals. The vibrating mechanism is constituted by the card itself. Such a design is applicable in particular to transmitting binary data over a telephone line by acoustic coupling with a telephone.

Abstract: A method and apparatus to secure online transactions on the Internet comprising a smart card transmitting an identification sequence to a PC in the form of a modulated signal, a card reader plugged into the microphone input of the PC sound card, and a PC applet demodulating the identification sequence. The card reader is characterized by the absence of processing means.

Abstract: A secure memory device for a smart card with a modem interface comprising a rewritable memory such as an EEPROM, a processing unit or a microprocessor, an on-chip oscillator, an ISO 7816 interface, a one-wire modem interface, and characterized in that both communication interfaces are bidirectional and share the same I/O terminal. The modem interface is exchanging data with the host in the form of a modulated signal by means of a card reader characterized by the absence of processing means.

Abstract: A method and apparatus to secure online transactions over the phone comprising a smart card transmitting an identification sequence to an IVR server in the form of a modulated signal, a card reader plugged into the telephone line, and an IVR applet demodulating the identification sequence. The card reader is characterized by the absence of processing means.

Abstract: A method and a system of transmitting a binary data sequence in voice form, the system comprising a pilot oscillator (OS), an FSK type modulator circuit (3) receiving said sequence, an intermediate processor circuit (5), and a piezoelectric transducer (P). A logic excitation signal is applied to the terminals (b1, b2) of the transducer (P) and is integrated by means of the capacitive portion of the impedance of the transducer (P) so as to reconstitute an acoustic signal having a sinusoidal waveform which is emitted by the transducer (P) at a voice frequency which differs depending on the logic state of the bit to be transmitted.

Abstract: When access is requested, the method consists in causing the portable device to transmit at least an identity sequence containing at least the value of a cryptogram (Ci) which is the result of an iterative algorithm (A2) being executed that is based on a non-invertible secret-key function (F2), and in causing the server to compute successive cryptograms (Q1, Q2, . . . ) on the basis of a cryptogram (Q0) and by using the same algorithm (A2) until a cryptogram (Qn) is found whose value is equal to the value of the cryptogram (Ci) so as to validate access. The method is suitable in particular for use in a home banking application.

Abstract: In a system for data exchanges without physical contact between a generally mobile portable set and a terminal or a population of generally fixed terminals, it is sought to make a modular set comprising a portable object (notably a memory card) that can be inserted either into a transceiver device, or in an ISO reader for by example, by saving on an interface management system and by reducing the power consumption of the set to the minimum. The transceiver device is without any microprocessor, and the portable object houses means for the management notably of the transmission/reception protocol of the portable set and of the ISO 7816-3 protocol.