integrity/ima/ima_crypto.c

77 	long rc;
81 		rc = PTR_ERR(ima_shash_tfm);
83 		       hash_algo_name[ima_hash_algo], rc);
84 		return rc;
94 	int rc, i;
108 		rc = PTR_ERR(tfm);
110 		       hash_algo_name[algo], rc);
118 	long rc;
121 	rc = ima_init_ima_crypto();
122 	if (rc)
123 		return rc;
149 		rc = -ENOMEM;
169 				rc = PTR_ERR(ima_algo_array[i].tfm);
185 				rc = PTR_ERR(ima_algo_array[ima_sha1_idx].tfm);
211 	return rc;
293 	int rc;
304 			rc = PTR_ERR(tfm);
306 			       hash_algo_name[algo], rc);
335 	int rc, rbuf_len, active = 0, ahash_rc = 0;
352 	rc = ahash_wait(crypto_ahash_init(req), &wait);
353 	if (rc)
367 		rc = -ENOMEM;
388 			rc = ahash_wait(ahash_rc, &wait);
389 			if (rc)
394 		rc = integrity_kernel_read(file, offset, rbuf[active],
396 		if (rc != rbuf_len) {
397 			if (rc >= 0)
398 				rc = -EINVAL;
400 			 * Forward current rc, do not overwrite with return value
412 			rc = ahash_wait(ahash_rc, &wait);
413 			if (rc)
426 	rc = ahash_wait(ahash_rc, &wait);
431 	if (!rc) {
433 		rc = ahash_wait(crypto_ahash_final(req), &wait);
437 	return rc;
443 	int rc;
449 	rc = ima_calc_file_hash_atfm(file, hash, tfm);
453 	return rc;
462 	int rc;
469 	rc = crypto_shash_init(shash);
470 	if (rc != 0)
471 		return rc;
487 			rc = rbuf_len;
491 			rc = -EINVAL;
496 		rc = crypto_shash_update(shash, rbuf, rbuf_len);
497 		if (rc)
502 	if (!rc)
503 		rc = crypto_shash_final(shash, hash->digest);
504 	return rc;
510 	int rc;
516 	rc = ima_calc_file_hash_tfm(file, hash, tfm);
520 	return rc;
539 	int rc;
568 		rc = ima_calc_file_ahash(f, hash);
569 		if (!rc)
573 	rc = ima_calc_file_shash(f, hash);
577 	return rc;
590 	int rc, i;
594 	rc = crypto_shash_init(shash);
595 	if (rc != 0)
596 		return rc;
606 			rc = crypto_shash_update(shash,
609 			if (rc)
616 		rc = crypto_shash_update(shash, data_to_hash, datalen);
617 		if (rc)
621 	if (!rc)
622 		rc = crypto_shash_final(shash, entry->digests[tfm_idx].digest);
624 	return rc;
631 	int rc, i;
633 	rc = ima_calc_field_array_hash_tfm(field_data, entry, ima_sha1_idx);
634 	if (rc)
635 		return rc;
656 		rc = ima_calc_field_array_hash_tfm(field_data, entry, i);
657 		if (rc)
658 			return rc;
660 	return rc;
670 	int rc, ahash_rc = 0;
683 	rc = ahash_wait(crypto_ahash_init(req), &wait);
684 	if (rc)
693 	rc = ahash_wait(ahash_rc, &wait);
694 	if (!rc) {
696 		rc = ahash_wait(crypto_ahash_final(req), &wait);
700 	return rc;
707 	int rc;
713 	rc = calc_buffer_ahash_atfm(buf, len, hash, tfm);
717 	return rc;
726 	int rc;
732 	rc = crypto_shash_init(shash);
733 	if (rc != 0)
734 		return rc;
738 		rc = crypto_shash_update(shash, buf, len);
739 		if (rc)
745 	if (!rc)
746 		rc = crypto_shash_final(shash, hash->digest);
747 	return rc;
754 	int rc;
760 	rc = calc_buffer_shash_tfm(buf, len, hash, tfm);
763 	return rc;
769 	int rc;
772 		rc = calc_buffer_ahash(buf, len, hash);
773 		if (!rc)
804 	int rc;
813 	rc = crypto_shash_init(shash);
814 	if (rc != 0)
815 		return rc;
821 		rc = crypto_shash_update(shash, d.digest,
823 		if (rc != 0)
824 			return rc;
835 			rc = crypto_shash_update(shash, d.digest,
839 	if (!rc)
841 	return rc;
848 	int rc, i, bank_idx = -1;
877 	rc = ima_calc_boot_aggregate_tfm(hash->digest, alg_id, tfm);
881 	return rc;