gcc uniris-tpm.c -o uniris-tpm -ltss2-esys -c

gcc driver.c -o driver uniris-tpm -ltss2-esys
sudo ./driver

gcc driver.c -o driver uniris-tpm.c -ltss2-esys
sudo ./driver

gcc support.c -o support stdio_helpers.c uniris-tpm.c -ltss2-esys

sudo iex tpm-lib.ex
TPMPort.start_link
TPMPort.initialize_tpm(KEY_INDEX)

TPMPort.get_public_key(KEY_INDEX)
TPMPort.sign_ecdsa(KEY_INDEX, HASH_SHA256)
TPMPort.get_key_index()
TPMPort.set_key_index(KEY_INDEX)

sudo iex tpm-lib.ex
TPMPort.start_link
TPMPort.initialize_tpm(10)
key = TPMPort.get_public_key(10)
hash256 = :crypto.hash(:sha256, "UNIRIS")
sign = TPMPort.sign_ecdsa(10, hash256)
:crypto.verify(:ecdsa, :sha256, "UNIRIS", sign, [key, :secp256r1])