Hardware random number generator not working in Red Hat Enterprise Linux 5.7

Solution Verified - Updated -

Issue

  • The Hardware Random Number Generator (HRNG) appears to the operating system as a USB standard Communications Device (CDC) asyncronous serial device

  • Linux's driver for this USB class (the module cdc_acm) usually creates TTY devices named ttyACM0 or similar.

Environment

  • Red Hat Enterprise Linux (RHEL) 5.7
  • Simtec Electronics Entropy Key Hardware Random Number Generator (HRNG)

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