linux-master/crypto/tcrypt.c

57 #define get_driver_name(tfm_type, tfm) crypto_tfm_alg_driver_name(tfm_type ## _tfm(tfm))
249 	struct crypto_aead *tfm;
277 	tfm = crypto_alloc_aead(algo, 0, 0);
278 	if (IS_ERR(tfm)) {
280 			algo, PTR_ERR(tfm));
284 	ret = crypto_aead_setauthsize(tfm, authsize);
313 		data[i].req = aead_request_alloc(tfm, GFP_KERNEL);
331 		get_driver_name(crypto_aead, tfm), e);
337 			int bs = round_up(*b_size, crypto_aead_blocksize(tfm));
349 			/* Set up tfm global state, i.e. the key */
360 			crypto_aead_clear_flags(tfm, ~0);
362 			ret = crypto_aead_setkey(tfm, key, *keysize);
365 				       crypto_aead_get_flags(tfm));
369 			iv_len = crypto_aead_ivsize(tfm);
446 	crypto_free_aead(tfm);
524 	struct crypto_aead *tfm;
566 	tfm = crypto_alloc_aead(algo, 0, 0);
567 	if (IS_ERR(tfm)) {
569 		       PTR_ERR(tfm));
573 	ret = crypto_aead_setauthsize(tfm, authsize);
582 		get_driver_name(crypto_aead, tfm), e);
584 	req = aead_request_alloc(tfm, GFP_KERNEL);
598 			u32 bs = round_up(*b_size, crypto_aead_blocksize(tfm));
618 			ret = crypto_aead_setkey(tfm, key, *keysize);
621 					crypto_aead_get_flags(tfm), ret);
625 			iv_len = crypto_aead_ivsize(tfm);
629 			crypto_aead_clear_flags(tfm, ~0);
688 	crypto_free_aead(tfm);
872 	struct crypto_ahash *tfm;
876 	tfm = crypto_alloc_ahash(algo, 0, mask);
877 	if (IS_ERR(tfm)) {
879 		       algo, PTR_ERR(tfm));
884 		get_driver_name(crypto_ahash, tfm));
886 	if (crypto_ahash_digestsize(tfm) > MAX_DIGEST_SIZE) {
887 		pr_err("digestsize(%u) > %d\n", crypto_ahash_digestsize(tfm),
893 	req = ahash_request_alloc(tfm, GFP_KERNEL);
915 			crypto_ahash_setkey(tfm, tvmem[0], klen);
944 	crypto_free_ahash(tfm);
1065 	struct crypto_skcipher *tfm;
1082 	tfm = crypto_alloc_skcipher(algo, 0, 0);
1083 	if (IS_ERR(tfm)) {
1085 			algo, PTR_ERR(tfm));
1097 		data[i].req = skcipher_request_alloc(tfm, GFP_KERNEL);
1115 		get_driver_name(crypto_skcipher, tfm), e);
1121 			u32 bs = round_up(*b_size, crypto_skcipher_blocksize(tfm));
1132 			/* Set up tfm global state, i.e. the key */
1143 			crypto_skcipher_clear_flags(tfm, ~0);
1145 			ret = crypto_skcipher_setkey(tfm, key, *keysize);
1148 				       crypto_skcipher_get_flags(tfm));
1152 			iv_len = crypto_skcipher_ivsize(tfm);
1193 				       crypto_skcipher_get_flags(tfm));
1209 	crypto_free_skcipher(tfm);
1302 	struct crypto_skcipher *tfm;
1313 	tfm = crypto_alloc_skcipher(algo, 0, async ? 0 : CRYPTO_ALG_ASYNC);
1315 	if (IS_ERR(tfm)) {
1317 		       PTR_ERR(tfm));
1322 		algo, get_driver_name(crypto_skcipher, tfm), e);
1324 	req = skcipher_request_alloc(tfm, GFP_KERNEL);
1338 			u32 bs = round_up(*b_size, crypto_skcipher_blocksize(tfm));
1362 			crypto_skcipher_clear_flags(tfm, ~0);
1364 			ret = crypto_skcipher_setkey(tfm, key, *keysize);
1367 					crypto_skcipher_get_flags(tfm));
1391 			iv_len = crypto_skcipher_ivsize(tfm);
1408 				       crypto_skcipher_get_flags(tfm));
1420 	crypto_free_skcipher(tfm);