25 	struct crypto_cipher *tweak;  member
45 	struct crypto_cipher *tweak;  in xts_setkey()  local
54 	/* we need two cipher instances: one to compute the initial 'tweak'  in xts_setkey()
58 	/* tweak cipher, uses Key2 i.e. the second half of *key */  in xts_setkey()
59 	tweak = ctx->tweak;  in xts_setkey()
60 	crypto_cipher_clear_flags(tweak, CRYPTO_TFM_REQ_MASK);  in xts_setkey()
61 	crypto_cipher_set_flags(tweak, crypto_skcipher_get_flags(parent) &  in xts_setkey()
63 	err = crypto_cipher_setkey(tweak, key + keylen, keylen);  in xts_setkey()
76  * We compute the tweak masks twice (both before and after the ECB encryption or
255 	crypto_cipher_encrypt_one(ctx->tweak, (u8 *)&rctx->t, req->iv);  in xts_init_crypt()
300 	struct crypto_cipher *tweak;  in xts_init_tfm()  local
308 	tweak = crypto_alloc_cipher(ictx->name, 0, 0);  in xts_init_tfm()
309 	if (IS_ERR(tweak)) {  in xts_init_tfm()
311 		return PTR_ERR(tweak);  in xts_init_tfm()
314 	ctx->tweak = tweak;  in xts_init_tfm()
327 	crypto_free_cipher(ctx->tweak);  in xts_exit_tfm()