– Elliptic Curve Cryptography based on GF(p) with key length up to 512 bit – RSA based on CRT with an arbitrary public exponent with key length up to 4096 bit – AES (CBC) with key length 128, 192, 256 bit – DES MAC3 and Retail MAC with ISO or ANSI padding – Verification of certificates and certificate chainsĬardOS V5.0 provides a large number of cryptographic functions and algorithms, such as: – Extraction and use of the public key directly from the certificate ` Support of CV (card verifiable) certificates – Flexible Memory Management for RAM and EEPROM – Protection mechanisms against EEPROM defects, power failure and card tearing – Dynamic memory management for optimal utilization of the available EEPROM – Number of files and folders with any depth of nesting ` A dynamic, flexible file system based on ISO/IEC 7816-4 with the following characteristics: ` “Command chaining” in accordance with ISO/IEC 7816-4 ` Integrity protection of all active software packages preventing the use of corrupt software ` Expandability of the operating system with the subsequent addition of software packages ` Compatibility with the most important international standards providing long-term security for integration in standardized environments (readers, applications, etc.) CardOS V5.3 offers the following general features:
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