TSS_authhmac
ret = TSS_authhmac(td->pubauth, sess.secret, SHA1_DIGEST_SIZE,
ret = TSS_authhmac(td->pubauth, sess.secret, SHA1_DIGEST_SIZE,
ret = TSS_authhmac(authdata1, keyauth, TPM_NONCE_SIZE,
ret = TSS_authhmac(authdata2, blobauth, TPM_NONCE_SIZE,