58 static inline int _key_to_kb(struct key_blob *kb,  in _key_to_kb()  argument
76 		memset(kb->keybuf, 0, sizeof(kb->keybuf));  in _key_to_kb()
77 		h = (struct clearkey_header *) kb->keybuf;  in _key_to_kb()
81 		memcpy(kb->keybuf + sizeof(*h), key, keylen);  in _key_to_kb()
82 		kb->keylen = sizeof(*h) + keylen;  in _key_to_kb()
83 		kb->key = kb->keybuf;  in _key_to_kb()
87 		if (keylen <= sizeof(kb->keybuf))  in _key_to_kb()
88 			kb->key = kb->keybuf;  in _key_to_kb()
90 			kb->key = kmalloc(keylen, GFP_KERNEL);  in _key_to_kb()
91 			if (!kb->key)  in _key_to_kb()
94 		memcpy(kb->key, key, keylen);  in _key_to_kb()
95 		kb->keylen = keylen;  in _key_to_kb()
102 static inline void _free_kb_keybuf(struct key_blob *kb)  in _free_kb_keybuf()  argument
104 	if (kb->key && kb->key != kb->keybuf  in _free_kb_keybuf()
105 	    && kb->keylen > sizeof(kb->keybuf)) {  in _free_kb_keybuf()
106 		kfree_sensitive(kb->key);  in _free_kb_keybuf()
107 		kb->key = NULL;  in _free_kb_keybuf()
112 	struct key_blob kb;  member
119 	struct key_blob kb[2];  member
120 	struct pkey_protkey pk[2];
125 static inline int __paes_keyblob2pkey(struct key_blob *kb,  in __paes_keyblob2pkey()  argument
136 		ret = pkey_key2protkey(kb->key, kb->keylen,  in __paes_keyblob2pkey()
149 	ret = __paes_keyblob2pkey(&ctx->kb, &pkey);  in __paes_convert_key()
164 	ctx->kb.key = NULL;  in ecb_paes_init()
174 	_free_kb_keybuf(&ctx->kb);  in ecb_paes_exit()
203 	_free_kb_keybuf(&ctx->kb);  in ecb_paes_set_key()
204 	rc = _key_to_kb(&ctx->kb, in_key, key_len);  in ecb_paes_set_key()
279 	ctx->kb.key = NULL;  in cbc_paes_init()
289 	_free_kb_keybuf(&ctx->kb);  in cbc_paes_exit()
318 	_free_kb_keybuf(&ctx->kb);  in cbc_paes_set_key()
319 	rc = _key_to_kb(&ctx->kb, in_key, key_len);  in cbc_paes_set_key()
399 	ctx->kb[0].key = NULL;  in xts_paes_init()
400 	ctx->kb[1].key = NULL;  in xts_paes_init()
410 	_free_kb_keybuf(&ctx->kb[0]);  in xts_paes_exit()
411 	_free_kb_keybuf(&ctx->kb[1]);  in xts_paes_exit()
421 	if (__paes_keyblob2pkey(&ctx->kb[0], &pkey0) ||  in __xts_paes_convert_key()
422 	    __paes_keyblob2pkey(&ctx->kb[1], &pkey1))  in __xts_paes_convert_key()
459 	u8 ckey[2 * AES_MAX_KEY_SIZE];  in xts_paes_set_key()
462 	if (xts_key_len % 2)  in xts_paes_set_key()
465 	key_len = xts_key_len / 2;  in xts_paes_set_key()
467 	_free_kb_keybuf(&ctx->kb[0]);  in xts_paes_set_key()
468 	_free_kb_keybuf(&ctx->kb[1]);  in xts_paes_set_key()
469 	rc = _key_to_kb(&ctx->kb[0], in_key, key_len);  in xts_paes_set_key()
472 	rc = _key_to_kb(&ctx->kb[1], in_key + key_len, key_len);  in xts_paes_set_key()
489 	return xts_verify_key(tfm, ckey, 2*ckey_len);  in xts_paes_set_key()
567 	.min_keysize		=	2 * PAES_MIN_KEYSIZE,
568 	.max_keysize		=	2 * PAES_MAX_KEYSIZE,
579 	ctx->kb.key = NULL;  in ctr_paes_init()
589 	_free_kb_keybuf(&ctx->kb);  in ctr_paes_exit()
619 	_free_kb_keybuf(&ctx->kb);  in ctr_paes_set_key()
620 	rc = _key_to_kb(&ctx->kb, in_key, key_len);  in ctr_paes_set_key()
666 		if (nbytes >= 2*AES_BLOCK_SIZE && locked)  in ctr_paes_crypt()