Java Card compliant cryptographic library for encryption and decryption of RSA, DSA, Diffie-Hellman, El-Gamal and Elliptic Curves algorithms

The Public Key Cryptographic Library (PKCL) provides standardized key computation, encryption, decryption, signature and verification functionalities for all key sizes up to 8192 bits. It is compliant with:
- RSA cryptosystem as defined in PKCS#1;
- DSA signature scheme as defined in FIPS 186-3;
- Diffie-Hellman (DH) key exchange as defined in PKCS#3;
- El-Gamal cryptosystem;
- JavaCard API.

The Public Key Cryptographic Library is highly customizable: all upper layer functionalities can be either added or withdrawn. The core modular exponentiation is based on the “sliding window” algorithm so that the best performance-memory tradeoff can be achieved by simply tuning the window size. The PKCL library integrates state-of-the-art countermeasures against the latest side-channel attacks (SPA, DPA, etc.) and high-order fault attacks (DFA). Furthermore, the library performances can be greatly enhanced through the Public Key Cryptographic Coprocessor (PK2C).