61 	struct crypto_shash *tfm;  member
93 	struct crypto_shash *tfm = ima_shash_tfm;  in ima_alloc_tfm()  local
100 		return tfm;  in ima_alloc_tfm()
103 		if (ima_algo_array[i].tfm && ima_algo_array[i].algo == algo)  in ima_alloc_tfm()
104 			return ima_algo_array[i].tfm;  in ima_alloc_tfm()
106 	tfm = crypto_alloc_shash(hash_algo_name[algo], 0, 0);  in ima_alloc_tfm()
107 	if (IS_ERR(tfm)) {  in ima_alloc_tfm()
108 		rc = PTR_ERR(tfm);  in ima_alloc_tfm()
112 	return tfm;  in ima_alloc_tfm()
162 			ima_algo_array[i].tfm = ima_shash_tfm;  in ima_init_crypto()
166 		ima_algo_array[i].tfm = ima_alloc_tfm(algo);  in ima_init_crypto()
167 		if (IS_ERR(ima_algo_array[i].tfm)) {  in ima_init_crypto()
169 				rc = PTR_ERR(ima_algo_array[i].tfm);  in ima_init_crypto()
170 				ima_algo_array[i].tfm = NULL;  in ima_init_crypto()
174 			ima_algo_array[i].tfm = NULL;  in ima_init_crypto()
180 			ima_algo_array[ima_sha1_idx].tfm = ima_shash_tfm;  in ima_init_crypto()
182 			ima_algo_array[ima_sha1_idx].tfm =  in ima_init_crypto()
184 			if (IS_ERR(ima_algo_array[ima_sha1_idx].tfm)) {  in ima_init_crypto()
185 				rc = PTR_ERR(ima_algo_array[ima_sha1_idx].tfm);  in ima_init_crypto()
195 		ima_algo_array[ima_hash_algo_idx].tfm = ima_shash_tfm;  in ima_init_crypto()
202 		if (!ima_algo_array[i].tfm ||  in ima_init_crypto()
203 		    ima_algo_array[i].tfm == ima_shash_tfm)  in ima_init_crypto()
206 		crypto_free_shash(ima_algo_array[i].tfm);  in ima_init_crypto()
214 static void ima_free_tfm(struct crypto_shash *tfm)  in ima_free_tfm()  argument
218 	if (tfm == ima_shash_tfm)  in ima_free_tfm()
222 		if (ima_algo_array[i].tfm == tfm)  in ima_free_tfm()
225 	crypto_free_shash(tfm);  in ima_free_tfm()
292 	struct crypto_ahash *tfm = ima_ahash_tfm;  in ima_alloc_atfm()  local
298 	if (algo != ima_hash_algo || !tfm) {  in ima_alloc_atfm()
299 		tfm = crypto_alloc_ahash(hash_algo_name[algo], 0, 0);  in ima_alloc_atfm()
300 		if (!IS_ERR(tfm)) {  in ima_alloc_atfm()
302 				ima_ahash_tfm = tfm;  in ima_alloc_atfm()
304 			rc = PTR_ERR(tfm);  in ima_alloc_atfm()
309 	return tfm;  in ima_alloc_atfm()
312 static void ima_free_atfm(struct crypto_ahash *tfm)  in ima_free_atfm()  argument
314 	if (tfm != ima_ahash_tfm)  in ima_free_atfm()
315 		crypto_free_ahash(tfm);  in ima_free_atfm()
331 				   struct crypto_ahash *tfm)  in ima_calc_file_hash_atfm()  argument
341 	hash->length = crypto_ahash_digestsize(tfm);  in ima_calc_file_hash_atfm()
343 	req = ahash_request_alloc(tfm, GFP_KERNEL);  in ima_calc_file_hash_atfm()
442 	struct crypto_ahash *tfm;  in ima_calc_file_ahash()  local
445 	tfm = ima_alloc_atfm(hash->algo);  in ima_calc_file_ahash()
446 	if (IS_ERR(tfm))  in ima_calc_file_ahash()
447 		return PTR_ERR(tfm);  in ima_calc_file_ahash()
449 	rc = ima_calc_file_hash_atfm(file, hash, tfm);  in ima_calc_file_ahash()
451 	ima_free_atfm(tfm);  in ima_calc_file_ahash()
458 				  struct crypto_shash *tfm)  in ima_calc_file_hash_tfm()  argument
463 	SHASH_DESC_ON_STACK(shash, tfm);  in ima_calc_file_hash_tfm()
465 	shash->tfm = tfm;  in ima_calc_file_hash_tfm()
467 	hash->length = crypto_shash_digestsize(tfm);  in ima_calc_file_hash_tfm()
509 	struct crypto_shash *tfm;  in ima_calc_file_shash()  local
512 	tfm = ima_alloc_tfm(hash->algo);  in ima_calc_file_shash()
513 	if (IS_ERR(tfm))  in ima_calc_file_shash()
514 		return PTR_ERR(tfm);  in ima_calc_file_shash()
516 	rc = ima_calc_file_hash_tfm(file, hash, tfm);  in ima_calc_file_shash()
518 	ima_free_tfm(tfm);  in ima_calc_file_shash()
587 	SHASH_DESC_ON_STACK(shash, ima_algo_array[tfm_idx].tfm);  in ima_calc_field_array_hash_tfm()
592 	shash->tfm = ima_algo_array[tfm_idx].tfm;  in ima_calc_field_array_hash_tfm()
649 		if (!ima_algo_array[i].tfm) {  in ima_calc_field_array_hash()
665 				  struct crypto_ahash *tfm)  in calc_buffer_ahash_atfm()  argument
672 	hash->length = crypto_ahash_digestsize(tfm);  in calc_buffer_ahash_atfm()
674 	req = ahash_request_alloc(tfm, GFP_KERNEL);  in calc_buffer_ahash_atfm()
706 	struct crypto_ahash *tfm;  in calc_buffer_ahash()  local
709 	tfm = ima_alloc_atfm(hash->algo);  in calc_buffer_ahash()
710 	if (IS_ERR(tfm))  in calc_buffer_ahash()
711 		return PTR_ERR(tfm);  in calc_buffer_ahash()
713 	rc = calc_buffer_ahash_atfm(buf, len, hash, tfm);  in calc_buffer_ahash()
715 	ima_free_atfm(tfm);  in calc_buffer_ahash()
722 				struct crypto_shash *tfm)  in calc_buffer_shash_tfm()  argument
724 	SHASH_DESC_ON_STACK(shash, tfm);  in calc_buffer_shash_tfm()
728 	shash->tfm = tfm;  in calc_buffer_shash_tfm()
730 	hash->length = crypto_shash_digestsize(tfm);  in calc_buffer_shash_tfm()
753 	struct crypto_shash *tfm;  in calc_buffer_shash()  local
756 	tfm = ima_alloc_tfm(hash->algo);  in calc_buffer_shash()
757 	if (IS_ERR(tfm))  in calc_buffer_shash()
758 		return PTR_ERR(tfm);  in calc_buffer_shash()
760 	rc = calc_buffer_shash_tfm(buf, len, hash, tfm);  in calc_buffer_shash()
762 	ima_free_tfm(tfm);  in calc_buffer_shash()
801 				       struct crypto_shash *tfm)  in ima_calc_boot_aggregate_tfm()  argument
806 	SHASH_DESC_ON_STACK(shash, tfm);  in ima_calc_boot_aggregate_tfm()
808 	shash->tfm = tfm;  in ima_calc_boot_aggregate_tfm()
822 					 crypto_shash_digestsize(tfm));  in ima_calc_boot_aggregate_tfm()
836 						crypto_shash_digestsize(tfm));  in ima_calc_boot_aggregate_tfm()
846 	struct crypto_shash *tfm;  in ima_calc_boot_aggregate()  local
871 	tfm = ima_alloc_tfm(hash->algo);  in ima_calc_boot_aggregate()
872 	if (IS_ERR(tfm))  in ima_calc_boot_aggregate()
873 		return PTR_ERR(tfm);  in ima_calc_boot_aggregate()
875 	hash->length = crypto_shash_digestsize(tfm);  in ima_calc_boot_aggregate()
877 	rc = ima_calc_boot_aggregate_tfm(hash->digest, alg_id, tfm);  in ima_calc_boot_aggregate()
879 	ima_free_tfm(tfm);  in ima_calc_boot_aggregate()