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randomnumber.md

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Get random

This example demonstrates the use of ESAPI.get_random

The code will:

  • setup the ESAPI interface
  • send a TPM_STARTUP clear command
  • request 8 random numbers from the TPM
  • print out the result

Setup and Variables

No specific setup is required. You may wish to change the number of bytes returned in the get_random call.

Running

To run type python3 quote.py

Errors might be generated as the pytss libraries search for a suitable TPM device. If everything is successful then a random number will be shown.

Output

~/tpm.dev.tutorials/PythonExamples$ python3 randomnumber.py 
type is  <class 'tpm2_pytss.types.TPM2B_DIGEST'>
r    is  a10ab7558675a56c
as int   11604288967829464428