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New releases of PKCS#11 toolkits!


The new versions of our PKCS#11 toolkits now support the GCM and CCM cipher modes of operation!

iSaSiLk 5.107 released!


iSaSiLk 5.107 has improved its countermeasure against variants of the PKCS#1 Bleichenbacher attack and adds support for the Application Layer Protocol Negotiation (ALPN) extension!


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AES for Atmel AVR Microcontrollers

For Atmel AVR Microcontrollers we offer a performance optimized software implementation of the Advanced Encryption Standard (AES).This fast implementation is based on our long lasting research on implementing cryptographic algorithms. The implementation is fully coded in assembler to guarantee optimal performance and security.


  • Functionality:
    • AES-128 encryption and decryption in ECB mode
    • On-the-fly roundkey generation
    • Automatic decryption key calculation
  • Performance:
    • AES-128 encryption in 4009cycles
    • AES-128 decryption in 6073 cycles
  • Codesize:
    • ~3100 byte of code
  • Fully documented source code
  • Documentation including architecture and interface description
Further Information:

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