linux-master/crypto/hctr2.c

113 	int err;
119 	err = crypto_shash_init(shash);
120 	if (err)
121 		return err;
122 	err = crypto_shash_update(shash, (u8 *)tweak_length_block,
124 	if (err)
125 		return err;
134 	int err;
140 	err = crypto_cipher_setkey(tctx->blockcipher, key, keylen);
141 	if (err)
142 		return err;
148 	err = crypto_skcipher_setkey(tctx->xctr, key, keylen);
149 	if (err)
150 		return err;
162 	err = crypto_shash_setkey(tctx->polyval, hbar, BLOCKCIPHER_BLOCK_SIZE);
163 	if (err)
164 		return err;
176 	int err;
180 	err = crypto_shash_import(hash_desc, hctr2_hashed_tweaklen(tctx, has_remainder));
181 	if (err)
182 		return err;
183 	err = crypto_shash_update(hash_desc, req->iv, TWEAK_SIZE);
184 	if (err)
185 		return err;
203 	int err = 0;
211 		err = crypto_shash_update(hash_desc, miter.addr, n);
212 		if (err)
217 	if (err)
218 		return err;
221 		err = crypto_shash_update(hash_desc, padding,
223 		if (err)
224 			return err;
236 	int err;
241 	err = crypto_shash_import(hash_desc, hctr2_hashed_tweak(tctx, rctx));
242 	if (err)
243 		return err;
244 	err = hctr2_hash_message(req, rctx->bulk_part_dst, digest);
245 	if (err)
246 		return err;
255 static void hctr2_xctr_done(void *data, int err)
259 	if (!err)
260 		err = hctr2_finish(req);
262 	skcipher_request_complete(req, err);
272 	int err;
290 	err = hctr2_hash_tweak(req);
291 	if (err)
292 		return err;
293 	err = hctr2_hash_message(req, rctx->bulk_part_src, digest);
294 	if (err)
295 		return err;
343 	int err;
351 		err = PTR_ERR(blockcipher);
357 		err = PTR_ERR(polyval);
382 	return err;
417 	int err;
419 	err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SKCIPHER, &mask);
420 	if (err)
421 		return err;
429 	err = crypto_grab_skcipher(&ictx->xctr_spawn,
432 	if (err)
436 	err = -EINVAL;
448 	err = crypto_grab_cipher(&ictx->blockcipher_spawn,
451 	if (err)
456 	err = -EINVAL;
461 	err = crypto_grab_shash(&ictx->polyval_spawn,
464 	if (err)
469 	err = -EINVAL;
475 	err = -ENAMETOOLONG;
508 	err = skcipher_register_instance(tmpl, inst);
509 	if (err) {
513 	return err;