287 	struct tpm_key *tk = asymmetric_key->payload.data[asym_crypto];  in asym_tpm_describe()  local
289 	if (!tk)  in asym_tpm_describe()
297 	struct tpm_key *tk = payload0;  in asym_tpm_destroy()  local
299 	if (!tk)  in asym_tpm_destroy()
302 	kfree(tk->blob);  in asym_tpm_destroy()
303 	tk->blob_len = 0;  in asym_tpm_destroy()
305 	kfree(tk);  in asym_tpm_destroy()
395 	struct tpm_key *tk = params->key->payload.data[asym_crypto];  in tpm_key_query()  local
412 	der_pub_key_len = derive_pub_key(tk->pub_key, tk->pub_key_len,  in tpm_key_query()
421 	info->key_size = tk->key_len;  in tpm_key_query()
422 	info->max_data_size = tk->key_len / 8;  in tpm_key_query()
425 	info->max_dec_size = tk->key_len / 8;  in tpm_key_query()
443 static int tpm_key_encrypt(struct tpm_key *tk,  in tpm_key_encrypt()  argument
466 	der_pub_key_len = derive_pub_key(tk->pub_key, tk->pub_key_len,  in tpm_key_encrypt()
503 static int tpm_key_decrypt(struct tpm_key *tk,  in tpm_key_decrypt()  argument
529 				tk->blob, tk->blob_len, &keyhandle);  in tpm_key_decrypt()
627 static int tpm_key_sign(struct tpm_key *tk,  in tpm_key_sign()  argument
664 	if (in_len > tk->key_len / 8 - 11) {  in tpm_key_sign()
677 			 tk->blob, tk->blob_len, &keyhandle);  in tpm_key_sign()
707 	struct tpm_key *tk = params->key->payload.data[asym_crypto];  in tpm_key_eds_op()  local
713 		ret = tpm_key_encrypt(tk, params, in, out);  in tpm_key_eds_op()
716 		ret = tpm_key_decrypt(tk, params, in, out);  in tpm_key_eds_op()
719 		ret = tpm_key_sign(tk, params, in, out);  in tpm_key_eds_op()
734 	const struct tpm_key *tk = key->payload.data[asym_crypto];  in tpm_key_verify_signature()  local
746 	BUG_ON(!tk);  in tpm_key_verify_signature()
761 	der_pub_key_len = derive_pub_key(tk->pub_key, tk->pub_key_len,  in tpm_key_verify_signature()
813 static int extract_key_parameters(struct tpm_key *tk)  in extract_key_parameters()  argument
815 	const void *cur = tk->blob;  in extract_key_parameters()
816 	uint32_t len = tk->blob_len;  in extract_key_parameters()
890 	tk->key_len = key_len;  in extract_key_parameters()
891 	tk->pub_key = pub_key;  in extract_key_parameters()
892 	tk->pub_key_len = sz;  in extract_key_parameters()
901 	struct tpm_key *tk;  in tpm_key_create()  local
914 	tk = kzalloc(sizeof(struct tpm_key), GFP_KERNEL);  in tpm_key_create()
915 	if (!tk)  in tpm_key_create()
918 	tk->blob = kmemdup(blob, blob_len, GFP_KERNEL);  in tpm_key_create()
919 	if (!tk->blob)  in tpm_key_create()
922 	tk->blob_len = blob_len;  in tpm_key_create()
924 	r = extract_key_parameters(tk);  in tpm_key_create()
928 	return tk;  in tpm_key_create()
931 	kfree(tk->blob);  in tpm_key_create()
932 	tk->blob_len = 0;  in tpm_key_create()
934 	kfree(tk);  in tpm_key_create()