68 	int err;  in ubifs_prepare_auth_node()  local
76 		err = crypto_shash_final(hash_desc, hash);  in ubifs_prepare_auth_node()
77 		if (err)  in ubifs_prepare_auth_node()
78 			return err;  in ubifs_prepare_auth_node()
81 	err = ubifs_hash_calc_hmac(c, hash, auth->hmac);  in ubifs_prepare_auth_node()
82 	if (err)  in ubifs_prepare_auth_node()
83 		return err;  in ubifs_prepare_auth_node()
94 	int err;  in ubifs_get_desc()  local
105 	err = crypto_shash_init(desc);  in ubifs_get_desc()
106 	if (err) {  in ubifs_get_desc()
108 		return ERR_PTR(err);  in ubifs_get_desc()
167 	int err;  in __ubifs_node_check_hash()  local
169 	err = __ubifs_node_calc_hash(c, node, calc);  in __ubifs_node_check_hash()
170 	if (err)  in __ubifs_node_check_hash()
171 		return err;  in __ubifs_node_check_hash()
194 	int err;  in ubifs_sb_verify_signature()  local
201 		err = PTR_ERR(sleb);  in ubifs_sb_verify_signature()
202 		return err;  in ubifs_sb_verify_signature()
207 		err = -EINVAL;  in ubifs_sb_verify_signature()
215 		err = -EINVAL;  in ubifs_sb_verify_signature()
223 		err = -EINVAL;  in ubifs_sb_verify_signature()
230 		err = -EINVAL;  in ubifs_sb_verify_signature()
234 	err = verify_pkcs7_signature(sup, sizeof(struct ubifs_sb_node),  in ubifs_sb_verify_signature()
239 	if (err)  in ubifs_sb_verify_signature()
247 	return err;  in ubifs_sb_verify_signature()
260 	int err;  in ubifs_init_authentication()  local
291 		err = -ENOKEY;  in ubifs_init_authentication()
298 		err = -EKEYREVOKED;  in ubifs_init_authentication()
304 		err = PTR_ERR(c->hash_tfm);  in ubifs_init_authentication()
306 			  c->auth_hash_name, err);  in ubifs_init_authentication()
314 		err = -EINVAL;  in ubifs_init_authentication()
320 		err = PTR_ERR(c->hmac_tfm);  in ubifs_init_authentication()
321 		ubifs_err(c, "Can not allocate %s: %d", hmac_name, err);  in ubifs_init_authentication()
329 		err = -EINVAL;  in ubifs_init_authentication()
333 	err = crypto_shash_setkey(c->hmac_tfm, ukp->data, ukp->datalen);  in ubifs_init_authentication()
334 	if (err)  in ubifs_init_authentication()
341 		err = PTR_ERR(c->log_hash);  in ubifs_init_authentication()
345 	err = 0;  in ubifs_init_authentication()
348 	if (err)  in ubifs_init_authentication()
351 	if (err)  in ubifs_init_authentication()
357 	return err;  in ubifs_init_authentication()
393 	int err;  in ubifs_node_calc_hmac()  local
400 	err = crypto_shash_init(shash);  in ubifs_node_calc_hmac()
401 	if (err)  in ubifs_node_calc_hmac()
402 		return err;  in ubifs_node_calc_hmac()
405 	err = crypto_shash_update(shash, node + 8, ofs_hmac - 8);  in ubifs_node_calc_hmac()
406 	if (err < 0)  in ubifs_node_calc_hmac()
407 		return err;  in ubifs_node_calc_hmac()
411 		err = crypto_shash_update(shash, node + ofs_hmac + hmac_len,  in ubifs_node_calc_hmac()
413 		if (err < 0)  in ubifs_node_calc_hmac()
414 			return err;  in ubifs_node_calc_hmac()
453 	int err;  in __ubifs_node_verify_hmac()  local
459 	err = ubifs_node_calc_hmac(c, node, len, ofs_hmac, hmac);  in __ubifs_node_verify_hmac()
460 	if (err) {  in __ubifs_node_verify_hmac()
462 		return err;  in __ubifs_node_verify_hmac()
465 	err = crypto_memneq(hmac, node + ofs_hmac, hmac_len);  in __ubifs_node_verify_hmac()
469 	if (!err)  in __ubifs_node_verify_hmac()
479 	int err;  in __ubifs_shash_copy_state()  local
485 	err = crypto_shash_export(src, state);  in __ubifs_shash_copy_state()
486 	if (err)  in __ubifs_shash_copy_state()
489 	err = crypto_shash_import(target, state);  in __ubifs_shash_copy_state()
494 	return err;  in __ubifs_shash_copy_state()
512 	int err;  in ubifs_hmac_wkm()  local
520 	err = crypto_shash_init(shash);  in ubifs_hmac_wkm()
521 	if (err)  in ubifs_hmac_wkm()
522 		return err;  in ubifs_hmac_wkm()
524 	err = crypto_shash_update(shash, well_known_message,  in ubifs_hmac_wkm()
526 	if (err < 0)  in ubifs_hmac_wkm()
527 		return err;  in ubifs_hmac_wkm()
529 	err = crypto_shash_final(shash, hmac);  in ubifs_hmac_wkm()
530 	if (err)  in ubifs_hmac_wkm()
531 		return err;  in ubifs_hmac_wkm()