tpm.dev.tutorials/PythonExamples/randomnumber.py

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#
# Import the tpm2_pytss libraries
#
from tpm2_pytss import *
#
# Make a connection to a TPM and use the ESAPI interface
# tcti=None means that the pytss libraries will search for an available TCTI
#
#
# When this is run, then as the various TCTI interfaces are searched errors are written if those interfaces are not foud
#
tpm = ESAPI(tcti=None)
#
# Send a startup message, just in case (actually this is because I'm using the IBM SW TPM and haven't started it properly)
#
tpm.startup(TPM2_SU.CLEAR)
#
# Now to make the quote and return the attested values and signature
#
r = tpm.get_random( 8 )
print("type is ",type(r))
print("r is ",str(r))
print("as int ",int(str(r),16))