CardOS V4.4

CardOS V4.4 is a multifunctional card operating system which meets strict security requirements. CardOS V4.4 is compatible with international smart card standards. It can hence be easily used in standardized environments and applications. It offers active and passive protection for stored data, certificates and cryptographic keys. We still offer this discontinued product for relevant projects, for new projects we gladly recommend the latest CardOS version – available with the CardOS API. The CardOS Card can be produced printed or blanco, as ID-1 or ID-000, as Hybrid with a RFID card or whatever is suitable to your project.

* Export control — The item(s) may be subject to export control regulations. Further export outside your country may be prohibited or restricted: please contact your export control authorities.

* Die Waren können bei Ausfuhr aus der EU Ausfuhreinschränkungen nach der VERORDNUNG (EG) Nr. 1334/2000 DES RATES, des Außenwirtschaftsgesetzes (AWG), der Außenwirtschaftsverordnung (AWV) und anderen Ausfuhrbestimmungen unterliegen. Auch ohne Kennzeichnung kann sich eine Genehmigungspflicht, unter anderem durch den Endverbleib und Verwendungszweck der Güter ergeben.

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  • Product Information

CardOS V4.4 offers the following general features:

ISO/IEC 7816 compatible commands

“Command chaining” in accordance with ISO/IEC 7816-4, for example for implementing multi-stage processes or for the transmission of a related data stream that is too large for the data field of an individual command

A dynamic, flexible file system based on ISO/IEC 7816-4 with the following characteristics:

Number of files and folders with any depth of nesting limited only by the storage capacity of the chip

Short File IDs

Dynamic memory management for optimal utilization of the available EEPROM

Protection mechanisms against EEPROM defects and power failure

Support of CV (card verifiable) certificates

Extraction and use of the public key directly from the certificate

Verification of certificates and certificate chains

Standards interface for external public key certificate services using the separately available CardOS API Cryptography Interface (Microsoft CSP / Base CSP & PKCS#11)

Compatibility with the most important international standards provides long-term security for integration in standardized environments (readers, applications, etc.)

Expandability of the operating system with the subsequent addition of software packages, ensuring protection of your investment

Automatic integrity protection of all active software packages on the chip prevents the use of corrupt software

Cryptographic Functions

CardOS V4.4 provides a large number of cryptographic functions and algorithms, such as

Creation and verification of digital signatures

Encryption and decryption

Creation/verification of MACs

Calculation of cryptographic hash values (SHA-1)

SHA-2 package

Fast symmetric algorithms due to the hardware DES accelerator o Triple DES (CBC) and DES (ECB, CBC) with ISO padding o MAC and retail MAC with ISO or ANSI padding

Asymmetric algorithms

Up to 2048 bit RSA based on the CRT with and without a specified public exponent

PKCS#1-BT1, PKCS#1-BT2 or leading zeroes padding

Internal and external key generation

Flexible derivation of session keys

The PROOF OF CORRESPONDENCE command enables checking the association of an RSA public key in the command data field with a private key on the chip

General Integrity Protection for Responses (GIPR) for high security applications: Secure messaging with integrity protection of the command response regardless of whether the response data field is empty

True random number generator

  • Standard Features

Hardware Platform:
CardOS V4.4 is available with the SLE66CX680PE hardware platform (chip) from Infineon as wafer, module (M5.1), ID-1 or ID-000 card and as DSO-8 package.

Additional information

Weight 5,5 g
Dimensions 85,60 × 53,98 × 0,76 mm
Form Factor






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