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Security devices

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RSA Integrated Coprocessor

  • 1024-bit RSA encipher and decipher
  • 1024-bit modular multiplication
  • 1024-bit modular reduction
  • 1024-bit general purpose computations, such as addition and subtraction.
  • Programmable data width from 8 to 1024 bits
  • High performance - completed 1024-bit RSA computation in 0.21 second at the 5 MHz operation.
  • Maximum operational frequency is 40MHz.
  • Tamper resist functions including key scramble
  • Ultra small - 5 mm2 full custom core + 10K gate logic
  • Ultra low power dissipation - less than 350 mW at 40 MHz
  • Support DES and MD5

Chip's microphotograph

Targets

The crypto processor will be used for smart card, embedded system, and electric commerce. It is the core technology of the Internet generation.

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Last modified 30 June 1998